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Relevant bibliographies by topics / Component casting

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Academic literature on the topic 'Component casting'

Author: Grafiati

Published: 4 June 2021

Last updated: 1 February 2022

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Journal articles on the topic "Component casting"

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Mao, Hong Kui, Bin Ye Yao, and Hong Xu. "Casting Filling Simulation Technology Based on Component Wise Splitting Method." Applied Mechanics and Materials 395-396 (September 2013): 1199–205. http://dx.doi.org/10.4028/www.scientific.net/amm.395-396.1199.

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The casting filling numerical simulation technology is of great significance to optimize the casting process, improve castings quality, and reduce production costs. Component wise splitting method only uses a small amount of iterations between velocity field and pressure field, so it has high computational efficiency in theory. The calculation accuracy is analyzed through Lid-driven cavity flow model, the result has a good agreement with literature results in low Reynolds number, but there is a big deviation when high Reynolds number. Finally the fraction step method is applied to the solution of the low pressure casting filling process, Calculation results coincided with the experimental results.

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Maharajan, B., and Dr S. Balasubramanian. "Design and Analysis Fixtures for Aluminium Die Casting Component." International Journal of Innovative Research in Computer Science & Technology 5, no. 4 (2017): 306–12. http://dx.doi.org/10.21276/ijircst.2017.5.4.2.

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Govender, Gonasagren, L. Ivanchev, N. Jahajeeah, and R. Bëan. "Application of CSIR Rheocasting Technology for the Production of an Automotive Component." Solid State Phenomena 116-117 (October 2006): 501–4. http://dx.doi.org/10.4028/www.scientific.net/ssp.116-117.501.

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The Council for Science and Industrial Research has developed and patented a rheocasting process. The process involves the preparation of semi-solid slurries from liquid metal, by controlled cooling and MHD stirring using induction coils. An industrial prototype was designed and built to test the system in an industrial environment. A semi-solid high pressure die casting cell was set up with an industrial partner and the system was tested under normal production conditions. The production cell consisted of the CSIR rheocasting system, a six axis robot, dosing furnace and 400 ton H-400SC shot controlled Bühler HPDC machine. An engine mounting bracket originally designed for liquid HPDC was redesigned for SSM forming (casting) taking into consideration the flow and thermal behaviour of semi-solid casting process, the function of the component and the required mechanical properties. Although a full production run was not completed due to an ancillary equipment failure, sufficient castings were produced to perform preliminary evaluation of the components. The processing parameters used were, die temperature of 250°C, SSM casting temperature of 580°C ±1Cº and a piston injection velocity of 0.13 m/s. Initial evaluation showed evidence of casting defects due to a combination of factors: die design/manufacture, casting parameters and poor foundry practice. From the mechanical tests it was evident that if the die design, casting parameters and foundry practice are optimized components with adequate mechanical properties can be reliably produced.

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Mackay, R., and J. Sokolowski. "Comparison Between Wedge Test Castings and Component Engine Block Casting Properties." International Journal of Metalcasting 4, no. 4 (2010): 33–50. http://dx.doi.org/10.1007/bf03355501.

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Wang, H., and Jun Xu. "Semisolid Casting of Automotive Component: Water Pump Lid." Solid State Phenomena 116-117 (October 2006): 88–91. http://dx.doi.org/10.4028/www.scientific.net/ssp.116-117.88.

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Water pump lid is selected as the automotive component to be cast using semisolid casting technology. Semisolid feedstock of alloy A357 was produced by a vertical continuous DC casting with electromagnetic stirring. Non-dendritic structure was obtained in the feedstock billets. A 6-station induction heating system was developed for feedstock billet reheating. Multi-stage reheating and well controlled reheating process resulted in a uniform temperature profile in the billet. Semisolid casting was carried out in a conventional high pressure die casting machine. Die design and casting parameters were adjusted to be suitable for semisolid casting. Compared with the conventional liquid melt casting, semisolid casting resulted in a much higher microstructural integrity with reduced shrinkage porosity.

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Zhu, Guo Liang, Wei Wang, Rui Wang, et al. "Precision Casting of GTD222 Component with Complex Thin-Wall Structure." Materials Science Forum 904 (August 2017): 46–49. http://dx.doi.org/10.4028/www.scientific.net/msf.904.46.

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GTD222 superalloy is a potential candidate for large-scale complex thin-walled castings with high temperature resistance in the next-generation aircraft engines, due to its excellent creep performance, good oxidation resistance and favorable weldability. The precision casting of GTD222 with a complex thin-wall structure was investigated in this work. The good quality of the final cast indicated that the optimized gating system obtained by numerical simulation was satisfying.

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Sadrossadat, Mohsen, and Sten Johansson. "The Influence of Casting Geometry on the Tensile Properties and Residual Stresses in Aluminium Castings." Materials Science Forum 652 (May 2010): 174–79. http://dx.doi.org/10.4028/www.scientific.net/msf.652.174.

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The soundness and the performance of castings are significantly affected by generation and accumulation of residual stresses. This has been proven that mechanical properties and residual stresses level of the casting components are affected by thermal gradient across the casting component during cooling and some intrinsic physical properties of the material. In the present work, microstructural development, mechanical properties, residual stress evolution and cooling curves associated with different legs of a mixed–section grid castings have been investigated employing scanning electron microscope, optical microscope, 3D measurement equipment, computerized thermal data acquisition instrument and tensile testing machine. Experimental results show that the accumulated residual stress in circular, triangular and rectangular grid shapes is increasing respectively. From the results it can be seen that there are clear influences of grid’s geometry on the microstructure and mechanical properties. The geometrical stiffness can affect a lot the residual stress level and the casting modulus has a big influence on the microstructure and mechanical properties.

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Kumar, Rajesh, Rupinder Singh, and IPS Ahuja. "Process capability study of three dimensional printing as casting solution for non ferrous alloys." Rapid Prototyping Journal 22, no. 3 (2016): 474–86. http://dx.doi.org/10.1108/rpj-05-2014-0063.

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Purpose The purpose of this paper is to investigate the process capability of three-dimensional printing (3DP)-based casting solutions for non-ferrous alloy (NFA) components. Design/methodology/approach After selection and design of benchmark, prototypes for six different NFA materials were prepared by using 3DP (ZCast process)-based shell moulds. Coordinate measuring machine has been used for calculating the dimensional tolerances of the NFA components. Consistency with the tolerance grades of the castings has been checked as per IT grades. Findings The results of process capability investigation highlight that the 3DP process as a casting solution for NFA component lies in ±5sigma (s) limit, as regards to dimensional accuracy is concerned. Further, this process ensures rapid production of pre-series industrial prototypes for NFA. Final components prepared are also acceptable as per ISO standard UNI EN 20,286-I (1995). Originality/value This research work presents capability of the 3DP process supported with experimental data on basis of various process parameters for the tolerance grade of NFA castings. These statistics can help to enhance the application of 3DP-based NFA casting process in commercial foundry industry.

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Singh, Rupinder, and T. Lal. "Effect of Moulding Sand Properties on Cost Effective Hybrid Rapid Casting Solution for Zinc Alloy." Advanced Materials Research 264-265 (June 2011): 1637–42. http://dx.doi.org/10.4028/www.scientific.net/amr.264-265.1637.

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The purpose of the present experimental investigations is to study the effect of moulding sand properties on reducing the shell wall thickness of mould cavity for cost effective, hybrid rapid casting solution of zinc alloy. Starting from the identification of component/benchmark, technological prototypes were produced, with three different moulding sands (dry, green and molasses), at different shell wall thickness of mould cavity using hybrid rapid prototyping technique (combination of three dimensional printing and conventional sand casting). Measurements on the coordinate measuring machine helped in calculating the dimensional tolerances of the castings produced. Some important mechanical properties were also compared to verify the suitability of the castings. The study suggested that for the shell thickness, having value less than the recommended one is more suitable from dimensional accuracy and economic point of view, for all three moulding sands. Further best shell wall thickness of the mould cavity for different moulding sands, for the selected component/benchmark has been highlighted for rapid casting solution of zinc alloy.

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Singh, Rupinder, and Gurwinder Singh. "Investigations for statistically controlled investment casting solution of FDM-based ABS replicas." Rapid Prototyping Journal 20, no. 3 (2014): 215–20. http://dx.doi.org/10.1108/rpj-03-2013-0036.

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Purpose – The purpose of the present study is to investigate statistically controlled investment casting (IC) solution of fused deposition modeling (FDM)-based ABS replicas. Design/methodology/approach – The work started with the identification of the benchmark/component. Prototypes (to be used as pattern) were built on FDM with ABS plastic material, followed by IC. The measurements on final casting prepared were made on the co-ordinate measuring machine (CMM) from which international tolerance (IT) grades were calculated to establish the dimensional accuracy of the components. Findings – This study further highlighted the cast component properties (like hardness and surface finish) for suitability of this process. Final castings produced are acceptable as per international standard organization (ISO) standard UNI EN 20286-I (1995). Originality/value – This process ensures development of statistically controlled IC solution as technological prototypes and proof of concept at less production cost and time.

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Dissertations / Theses on the topic "Component casting"

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Xiong, Cher. "A study of two-component clear casting urethanes, urethane catalysts, and related processes." Online version, 1998. http://www.uwstout.edu/lib/thesis/1998/1998xiongc.pdf.

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Olofsson, Jakob. "Microstructure-based Mechanical Behaviour in Structural Analyses of Cast Components." Licentiate thesis, Tekniska Högskolan, Högskolan i Jönköping, JTH. Forskningsmiljö Material och tillverkning – Gjutning, 2012. http://urn.kb.se/resolve?urn=urn:nbn:se:hj:diva-19127.

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In the process of developing cast iron and cast aluminium components, the co-operation between product development and production is important. On the engineering level, this co-operation is limited already in the product development phase e.g. by the lack of established methods to consider the mechanical behaviour of the completed component. This thesis aims to increase the possibilities for co-operation in the product realisation process between product development and production by enabling the use of predicted local mechanical behaviour in structural analyses of cast components. A literature review on existing simulation methods and a work on characterization of mechanical behaviour from microstructural features are performed to identify important knowledge gaps. A simulation strategy is formulated that is able to predict local mechanical behaviour throughout the entire component and incorporate the behaviour into a Finite Element Method (FEM) simulation of the structural behaviour of the component. In the simulation strategy, the component specific microstructure-based mechanical behaviour is predicted using a casting process simulation. A computer program is developed to create FEM material definitions that capture the local variations in mechanical behaviour throughout the component. The relevance of the simulation strategy is demonstrated for a ductile iron component. It is found that the local variations in mechanical behaviour result in a stress-strain distribution in the component that a homogeneous material description fails to express. Residual stresses affect the mechanical behaviour at low loads. At higher loads, however, the accuracy of the simulation is determined by the local variations in mechanical behaviour. Using a material reduction technique, the local mechanical behaviour can be incorporated without increasing the FEM simulation time.

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CHAKKALAKKAL, JOSEPH JUNIOR. "Design of a weight optimized casted ADI component using topology and shape optimization." Thesis, KTH, Maskin- och processteknologi, 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-236518.

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Structural Optimization techniques are widely used in product development process in ‘modern industry’ to generate optimal designs with only sufficient material to serve the purpose of the component. In conventional design problems, the design process usually generates overdesigned components with excess material and weight. This will in turn increase the life time cost of machines, both in terms material wastage and expense of usage. The thesis “Design of a weight optimized casted ADI component using topology and shape optimization” deals with redesigning a component from a welded steel plate structure into a castable design for reduced manufacturing cost and weight reduction. The component “Drill Steel Support” mounted in front of the drilling boom of a Face Drilling Machine is redesigned during this work. The main objective of the thesis is to provide an alternative design with lower weight that can be mounted on the existing machine layout without any changes in the mounting interfaces. This thesis report covers in detail procedure followed for attaining the weight reduction of the “Drill Steel Support” and presents the results and methodology which is based on both topology and shape optimization.<br>Strukturoptimering används ofta i produktutvecklingsprocessen i modern industri för att ta fram optimala konstruktioner med minsta möjliga materialåtgång för komponenten. Konventionella konstruktionsmetoder genererar vanligtvis överdimensionerade komponenter med överflödigt material och vikt. Detta ökar i sin tur livstidskostnaderna för maskiner både i termer av materialavfall och användning. Avhandlingen "Konstruktion av viktoptimerad gjuten ADI-komponent" behandlar omkonstruktionen av en komponent från en svetsad stålplåtstruktur till en gjutbar konstruktion med minskad tillverkningskostnad och vikt. Komponenten “Borrstöd” monterad i framkant av bommen på en ortdrivningsmaskin är omkonstruerad under detta arbete. Huvudsyftet med avhandlingen är ta fram en alternativ konstruktion med lägre vikt och som kan monteras på befintlig maskinlayout utan någon ändring i monteringsgränssnittet. Denna avhandling innehåller en detaljerad beskrivning av förfarandet för att uppnå viktminskningen av "borrstödet" och presenterar resultaten samt metodiken som baseras på både topologi- och parameter- optimering.

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Raza, Mohsin. "Process development for investment casting of thin-walled components : Manufacturing of light weight components." Licentiate thesis, Mälardalens högskola, Innovation och produktrealisering, 2015. http://urn.kb.se/resolve?urn=urn:nbn:se:mdh:diva-27807.

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Manufacturing processes are getting more and more complex with increasing demands of advanced and light weight engineering components, especially in aerospace industry. The global requirements on lower fuel consumption and emissions are increasing the demands in lowering weight of cast components. Ability to produce components in lower wall thickness will not only help to reduce the cost of production but also help to improve the efficiency of engineering systems resulting in lower fuel consumption and lesser environmental hazardous emissions. In order to produce thin-walled components, understanding of mechanism behind fluidity as it is effected by casting parameters is very important. Similarly, for complex components study of solidification morphology and its effects on castability is important to understand. The aim of this work was to investigate casting of thin-walled test geometries (less than 2mm) in aero-space grades of alloys. The casting trials were performed to investigate the fluidity as a function of casting parameters and filling system in thin-walled sections. Test geometries with different thickness were cast and evaluated in terms of filled area with respect to casting parameters, ı.e. casting temperature and shell preheat temperature. Different feeding systems were investigated to evaluate effects of filling mode on castability. Similarly for complex components where geometries are very organic in shape, solidification morphology effects the quality of castings. Process parameters, that effect the solidification morphology were identified and evaluated. In order to develop a relation between defect formation and process parameters, solidification behaviour was investigated using simulations and casting trials. Similarly the effect of factors that influence grain structure and flow related defects were studied. It was observed that fluidity is affected by the mode of geometry filling in investment casting process. The filling mode also have different effect on defect formation. A top-gated configuration is strongly affected by casting parameters where as a bottom-gated configuration is more stable and thus fluidity is not significantly affected by variation in casting parameters. Less porosity and flow-related defects were observed in the bottom-gated system as compared to top-gated system. In the study about casting defects as affected by process parameters, it was observed that shell thickness is important to avoid interdendritic shrinkage. It was observed that the increased shell thickness induces a steeper thermal gradient which is essential in order to minimize the width of the mushy zone. It was also observed that a slower cooling rate along with a steeper thermal gradient at the metal-mould interface not only helps to avoid shrinkage porosity but also increases fill-ability in thinner sections. The work presented here is focused on the optimization of process parameters, in order, for instance, to improve castability and reduce the casting defects in investment casting process. The work, however, does not focus on externally influencing the casting conditions or modifying the casting/manufacturing process. The future work towards PhD will be focused on externally improving the casting conditions and investigating other possible route of manufacturing for thin, complex components.

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Pereira, Manuel Filipe Viana Teotonio. "ADDITIVE MANUFACTURING OF COMPONENTS FOR IN-DIE CAVITY USE, SUITABLE TO WITHSTAND ALUMINIUM HIGH PRESSURE DIE CASTING (HPDC) PROCESS CONDITIONS." Thesis, Bloemfontein: Central University of Technology, Free State, 2013. http://hdl.handle.net/11462/243.

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Thesis (M. Tech. (Engineering: Mechanical)) -- Central University of Technology, Free State, 2013<br>This research examines the suitability of Additive Manufacturing (AM) for manufacturing dies used in aluminium high pressure die casting. The study was guided by the following objectives: • The reviews of applicable literature sources that outline technical and application aspects of AM in plastic injection moulds and the possibilities of applying it to high pressure casting die. • To introduce AM grown die components in die manufacture. Further, to develop a methodology that will allow industry to apply AM technology to die manufacture. • Revolutionise the way die manufacture is done. The potential for AM technologies is to deliver faster die manufacture turnaround time by requiring a drastically reduced amount of high level machining accuracy. It also reduces the number of complex mechanical material removal operations. Fewer critical steps required by suitable AM technology platforms able to grow fully dense metal components on die casting tools able to produce production runs. • Furthermore, promising competitive advantages are anticipated on savings to be attained on the casting processing side. AM technology allows incorporation of features in a die cavity not possible to machine with current machining approaches and technology. One such example is conformal cooling or heating of die cavities. This approach was successfully used in plastic injection mould cavities resulting in savings on both the part quality as well as the reduction on cycle time required to produce it (LaserCUSING®, 2007). AM technology has evolved to a point where as a medium for fast creation of an object, it has surpassed traditional manufacturing processes allowing for rapidly bridging the gap between ideas to part in hand. The suitability of the AM approach in accelerating the die manufacturing process sometime in the near future cannot be dismissed or ignored. The research showed that there is promise for application of the technology in the not too distant future. In the South African context, the current number and affordability of suitable AM platforms is one of the main stumbling blocks in effecting more widespread applied research aimed at introduction of the technology to die manufacture.

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Humphreys, Nicholas James. "The computational modelling of centrifugal casting, as a process to manufacture titanium aluminide aero engine components." Thesis, University of Birmingham, 2013. http://etheses.bham.ac.uk//id/eprint/4777/.

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Significant research has been undertaken into the use of intermetallic gamma titanium aluminide alloys (γ- TiAl). The first-rate high temperature properties of the alloys, coupled with an inherent low density, make them an attractive prospect for the aerospace and automotive industries. In this work, the utilisation of γ-TiAl as a structural material, specifically as low pressure (LP) turbine blades for aerospace engines, was considered as a replacement for conventional nickel-based superalloys. These alloys however are difficult to work with, being highly reactive in a molten state, dictating a low superheat during processing. Centrifugal casting is therefore utilised as a production method, as under the centrifugal force, metal can fill cross sections substantially less than a millimetre. However, due to the high liquid metal velocity developed there is a high risk of turbulent flow and the trapping of any gas present within the liquid metal. The objective is to develop a comprehensive computational model of centrifugal casting that can reliably predict the macro defects that arise from the process. This challenging application involves a combination of complex rotating geometries, significant centrifugal force, and high velocity, transient free surface flows, coupled with heat transfer and solidification. Capturing these interacting physical phenomena and associated defects is a complex modelling task. This contribution will describe the development and enhancements required to enable conventional free surface algorithms to capture the details of the flow: by maintaining a sharp metal-gas interface and reducing numerical diffusion whilst maintaining solution stability, on what are inevitably complex three dimensional geometries. Validation of the model has been done using a series of water experiments and castings to capture the flow dynamics.

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Ajayi, Frederick Adegbola. "A transient multi-physics algorithm for solidification residual stress in metal components." Thesis, Imperial College London, 1998. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.287951.

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Federico, Giovanni. "Use of Cast Modular Components for Concentrically Braced Steel Frames." Diss., The University of Arizona, 2012. http://hdl.handle.net/10150/268572.

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Cast modular components have been under development for earthquake resistant steel structures. These concepts take advantage of the versatility in geometry afforded with the casting process to create components specifically configured for ductile behavior. Two systems were developed as part of this dissertation research: (1) the Cast Modular Ductile Bracing system (CMDB); (2) the Floating Brace system (FB).The CMDB system makes use of cast components introduced at the ends and the center of the brace to produce a special bracing detail with reliable strength, stiffness and deformation capacity. The system takes advantage of the versatility in geometry offered by the casting process to create configurations that eliminate non-ductile failure modes in favor of stable inelastic deformation capacity. This thesis presents analytical research performed to determine the buckling strength and buckling direction of the bracing element based on the geometries of the cast components. Limiting geometries are determined for the cast components to control the buckling direction. Design formulas for buckling strength are proposed. The Floating Brace system is a new lateral bracing concept developed for steel special concentric braced frames. The concept uses a set of special plate details at the end of the brace to create a stiff, strong and ductile lateral bracing system. The plates are arranged such that some provide direct axial support for high initial stiffness and elimination of fatigue issues for daily service wind loads. The remaining plates are oriented transverse to the brace and thus provide ductile bending response for the rare earthquake event, in which the axial plates become sacrificial. The main bracing member and cast pieces remain elastic or nearly elastic. Thus, following the seismic event, the plates can be replaced. In this thesis, analytical studies using nonlinear finite element analysis are performed to determine the optimum: (a) relative strength of the end connection to the brace; and (b) ratio of strength between axial and transverse plates. Design equations are provided. Prototypes for each concept were developed. Castings were created. Large scale laboratory physical testing was performed as experimental verification (proof of concept) for the two systems.

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Mazzeo, Aaron D. (Aaron David) 1979. "Centrifugal casting and fast curing of polydimethylsiloxane (PDMS) for the manufacture of micro and nano featured components." Thesis, Massachusetts Institute of Technology, 2009. http://hdl.handle.net/1721.1/54660.

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Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Mechanical Engineering, 2009.<br>Cataloged from PDF version of thesis.<br>Includes bibliographical references (p. 237-248).<br>The thermosetting resin polydimethylsiloxane (PDMS) is commonly used to prototype micro and nano featured components. In the field of microfluidics, PDMS-based devices have been used for cell sorting, cell culturing, microbioreactors, DNA sequencing, and immunoassays. In energy-related applications, PDMS has been used in fuel cell assemblies and as a material for transferring carbon nanotubes in the construction of solar cells. In addition, PDMS is the fundamental material of soft lithography and microcontact printing. Given the widespread use of PDMS in micro/nano technology, biology, and chemistry, the motivation of this thesis is to outline a viable manufacturing process for thermosetting resins such as PDMS that could be scaled-up for the large-scale production of micro/nano featured components. With respect to rate of PDMS device production, the two time-limiting steps in the typical prototyping process are degassing (bubble removal) and curing. To improve the degassing step, a novel centrifugal casting method is introduced, which permits simultaneous patterning of multiple surfaces and precise thickness control of a PDMS part. To improve the curing step, a custom-designed thermal management system heats and cools the PDMS. In centrifugal casting, the spinning time required to produce a bubble-free part is dependent on a distribution of critical bubble sizes, the centrifuge's spin speed profile, geometry, and fluid properties. A physical model predicting the spin time for bubble removal is verified by high speed video imaging and the production of bubble-free parts.<br>(cont.) In addition to producing bubble-free parts, the PDMS centrifugal casting technique is utilized to produce micro and nano featured components.<br>by Aaron D. Mazzeo.<br>Ph.D.

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Pinheiro, Francioni Gomes. "Análise da fabricação e utilização de componente de motor empregando tixoinfiltração." [s.n.], 2011. http://repositorio.unicamp.br/jspui/handle/REPOSIP/263591.

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Orientador: Maria Helena Robert<br>Dissertação (mestrado profissional) - Universidade Estadual de Campinas, Faculdade de Engenharia Mecânica<br>Made available in DSpace on 2018-08-18T15:19:59Z (GMT). No. of bitstreams: 1 Pinheiro_FrancioniGomes_M.pdf: 4724053 bytes, checksum: 96f025d7f0e3e288c1b9b2379de497e9 (MD5) Previous issue date: 2011<br>Resumo: Este trabalho tem por objetivo avaliar a viabilidade técnica da fabricação e utilização do componente de motor (espaçador do ventilador) empregando tecnologia de materiais celulares. Foi empregado processo de tixoinfiltração em pré-formas pós-removíveis de NaCl em estado livre, tendo como matéria prima a mesma liga A356.0 da peça atual (fabricada por fundição convencional). Foi projetada e construída uma nova matriz metálica para se adaptar ao novo tipo de processo. Foram analisados parâmetros de processo como a granulometria do agente bloqueador (NaCl), a proporção da liga e do agente bloqueador e a distribuição de massa do alumínio disposto na matriz. Análises da qualidade dos componentes porosos e dos benefícios na manufatura demonstraram que o processo de tixoinfiltração é tecnicamente viável, com a obtenção de produtos com peso da ordem de 50% do peso do produto convencional, e dimensões finais adequadas, eliminando processos de usinagem e reduzindo tempo de fabricação do componente. Testes de montagem e funcional demonstraram bom desempenho quando submetido às condições de compressão exercidas na montagem e em teste preliminar em motor em funcionamento. Conclui-se que o processo é viável, que produtos mais leves podem ser obtidos em menor tempo de fabricação, mas ajustes visando maior resistência à compressão são necessários e servem como sugestão para futuros estudos<br>Abstract: This study aims to evaluate the feasibility of the manufacturing and utilization of an engine component (spacer fan) produced by cellular materials technology. The process used was thixoinfiltration of the alloy A356.0 into pre-forms of loose NaCl particles. This alloy is currently used for the production of the conventional cast parts. It was design and built a new metallic tooling to fit the new process. Process parameters were analyzed as the particle size of the space holder (NaCl), the ratio of metal/space holder weight content and the alloy mass distribution inside the metallic tooling. Analysis of the quality of porous parts produced and the benefits in the new process for their manufacture showed that the thixoinfiltration process is technically feasible, resulting products with 50% lowest weight if compared with current cast part and with near net shape, eliminating machining operations and reducing the manufacturing time. Assembly and functional tests showed good performance of the porous part when submitted to conditions of compression, due to assembly and preliminary engine running test. It is possible to conclude that the thixoinfiltration process is feasible, lighter products with reduced manufactuing time can be obtained, but further process adjustments to aim compression resistance are necessary and it is left here as a suggestion for future studies<br>Mestrado<br>Manufatura<br>Mestre em Engenharia Automobilistica

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Books on the topic "Component casting"

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Miller, Brett A., Roch J. Shipley, Ronald J. Parrington, and Daniel P. Dennies, eds. Analysis and Prevention of Component and Equipment Failures. ASM International, 2021. http://dx.doi.org/10.31399/asm.hb.v11a.9781627083294.

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Volume 11A provides information and insights on the factors that determine the useful service life of engineering components and the likely timing and mode of failure. It addresses nearly every stage of the product lifecycle from materials selection and design to manufacturing, operation, maintenance, and repair. It explains how to use life assessment methods to evaluate the effect of corrosion, fatigue, brittle fracture, elevated temperature, and other forms of damage. It also includes a section that examines the effects of casting, forming, welding, heat treating, and other manufacturing processes on component lifetime and performance. The final and by far largest section in the volume presents and analyzes the failure of metal shafts, fasteners, bearings, springs, and gears as well as pressure vessels, boilers, heat exchangers, pipelines, bridges, cranes, rail equipment, and medical devices. For information on the print version of Volume 11A, ISBN: 978-1-62708-327-0, follow this link.

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Low cost pressure infiltration casting of reinforced superalloy components: Contract no.: NAS 3-27541. National Aeronautics and Space Administration, 1997.

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Quality Standard for Steel Castings for Valves, Flanges, Fittings, and Other Piping Components: Visual Method (Sp-55). Manufacturers Standardization, 1996.

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Quality Standard for Steel Castings for Valves, Flanges, Fittings, and Other Piping Components: Radiographic Examination Method (Sp-54). Manufacturers Standardization, 1990.

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Book chapters on the topic "Component casting"

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Brandt, R., W. Bender, G. U. Grün, and G. Neuer. "Thermal Conductivity of Ternary and Multi-Component Aluminum Alloys up to and above the Melting Temperature." In Continuous Casting. Wiley-VCH Verlag GmbH & Co. KGaA, 2006. http://dx.doi.org/10.1002/9783527607969.ch23.

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Mandolini, Marco, Federico Campi, Claudio Favi, Paolo Cicconi, Michele Germani, and Roberto Raffaeli. "Parametric Cost Modelling for Investment Casting." In Lecture Notes in Mechanical Engineering. Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-70566-4_61.

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AbstractThis paper presents a parametric cost model for estimating the raw material cost of components realized employing the investment casting process. The model is built using sensitivity analysis and regression methods on data generated by an analytic cost model previously developed and validated by the same authors. This is the first attempt of developing a parametric cost model for investment casting based on activity-based costing. The proposed cost model accounts component volume, material density and material price. The error in estimating the raw material cost for components whose volume is within the common range of investment casting is around 11%.

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Wang, H., and Jun Xu. "Semisolid Casting of Automotive Component: Water Pump Lid." In Solid State Phenomena. Trans Tech Publications Ltd., 2006. http://dx.doi.org/10.4028/3-908451-26-4.88.

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Semyonov, Boris I., Sergey N. Kruglov, Gennadi A. Yudin, Natalya K. Petrova, and Sergey P. Rozhnov. "Casting Technology of the Part Reinforced by the Composite Body Component." In MICC 90. Springer Netherlands, 1991. http://dx.doi.org/10.1007/978-94-011-3676-1_163.

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Forn, Antonio, Sergi Menargues, Enric Martín, and Josep A. Picas. "Sub Liquidus Casting Technology for the Production of High Integrity Component." In Solid State Phenomena. Trans Tech Publications Ltd., 2008. http://dx.doi.org/10.4028/3-908451-59-0.219.

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Fujiwara, Kosuke, Hidetaka Oguma, Masaki Taneike, et al. "Simulation Analysis Techniques for Investment Casting Process of Ni-Base Superalloy Components." In Shape Casting. Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-06034-3_24.

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Nastac, Laurentiu, and John Romanelli. "Advanced Casting Mold Design Technology of the LCS Waterjet Inlet Tunnel Entry Edge Components." In Shape Casting. John Wiley & Sons, Inc., 2011. http://dx.doi.org/10.1002/9781118062050.ch30.

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Quan, Zhibin, Zhiqiang Gao, Qigui Wang, Yunxia Sun, Xin Chen, and Yucong Wang. "Geometric Analysis of Casting Components." In 2ndWorld Congress on Integrated Computational Materials Engineering. John Wiley & Sons, Inc., 2013. http://dx.doi.org/10.1002/9781118767061.ch17.

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Quan, Zhibin, Zhiqiang Gao, Qigui Wang, Yunxia Sun, Xin Chen, and Yucong Wang. "Geometric Analysis of Casting Components." In Proceedings of the 2nd World Congress on Integrated Computational Materials Engineering (ICME). Springer International Publishing, 2013. http://dx.doi.org/10.1007/978-3-319-48194-4_17.

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Messer, Patrick, Uwe Vroomen, and Andreas Bührig-Polaczek. "Multi-Component High Pressure Die Casting (M-HPDC): Influencing Factors on the Material Temperature During the Joining of Metal-Plastic-Hybrids." In Light Metals 2017. Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-51541-0_103.

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Conference papers on the topic "Component casting"

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Kitsunai, Toru, Hiroshi Yamagata, and Toshikatsu Koike. "Light Body for Small Vehicles Using High-Quality Die-Casting Component." In International Body Engineering Conference & Exposition. SAE International, 2003. http://dx.doi.org/10.4271/2003-01-2869.

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Zhenping Ji, Xiaojie Zhang, and Canrong Wang. "Monitoring of continuous steel casting process based on independent component analysis." In 2010 Chinese Control and Decision Conference (CCDC). IEEE, 2010. http://dx.doi.org/10.1109/ccdc.2010.5498446.

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Okamoto, Satoshi. "Newly Developed LCP Film Fabricated by Solvent-Casting Method." In 2005 Conference on High Density Microsystem Design and Packaging and Component Failure Analysis. IEEE, 2005. http://dx.doi.org/10.1109/hdp.2005.251410.

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Kind, Ralf, and Steve Barry. "Optimum Engine Component Design and Process Validation Using Metal Casting Simulation Tools." In SAE 2001 World Congress. SAE International, 2001. http://dx.doi.org/10.4271/2001-01-1037.

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Okamoto, S. "Newly developed LCP solvent casting film and its applications." In Conference on High Density Microsystem Design and Packaging and Component Failure Analysis, 2006. HDP'06. IEEE, 2006. http://dx.doi.org/10.1109/hdp.2006.1707589.

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Ishikawa, T., T. Namazu, K. Yoshiki, S. Inoue, and Y. Hasegawa. "Polycarbosilane-derived silicon carbide MEMS component fabricated by slip casting with SU8 micro mold." In 2010 IEEE 23rd International Conference on Micro Electro Mechanical Systems (MEMS). IEEE, 2010. http://dx.doi.org/10.1109/memsys.2010.5442476.

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Waku, Yoshiharu, Narihito Nakagawa, Kenji Kobayashi, and Shinya Yokoi. "Development of Near-Net Shape Casting Technology for MGC Components." In ASME Turbo Expo 2005: Power for Land, Sea, and Air. ASMEDC, 2005. http://dx.doi.org/10.1115/gt2005-68398.

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Much attention has been paid to unidirectionally solidified ceramic composites as a candidate for a high-temperature structural material. Eutectic composites, known as Melt Growth Composites (MGCs), have recently been developed. The MGCs (Al2O3/YAG, Al2O3/GAP binary and Al2O3/YAG/ZrO2 ternary systems) have a novel microstructure consisting of three-dimensionally continuous and complexly entangled single-crystal Al2O3 and single-crystal oxide compounds (YAG or GAP or YAG and ZrO2). Therefore, the MGCs have excellent high-temperature strength characteristics, creep resistance, superior oxidation resistance and thermal stability in an air atmosphere at very high temperatures. Manufacturing processes for the MGCs (Al2O3/YAG and Al2O3/GAP binary systems) are being examined under a Japanese national project, scheduled from 2001–2005. The molybdenum mold for near-net-shaped casting of the gas turbine component was fabricated by plasma spraying the molybdenum powders on the copper model. Near-net-shape casting of MGCs is being examined under the NEDO project using the plasma sprayed mold and a new Bridgman-type furnace.

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Winter, Daniel T. "An Examination of the Alternative Methods Used by the Investment Casting Industry to Produce Sacrificial Patterns: Have All of the Available Options Been Considered?" In ASME 2009 International Mechanical Engineering Congress and Exposition. ASMEDC, 2009. http://dx.doi.org/10.1115/imece2009-12880.

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The investment casting (IC) process has remained relatively unchanged throughout recorded history [1]. Indeed, there have been refinements to the individual processes required to produce castings; pattern making, the ceramic materials used to create the molds, foundry equipment, and post-cast processing of the castings. All have undergone numerous improvements. Yet, with the innovations that IC foundries have enjoyed, the casting process still requires a one-to-one ratio to produce an IC component from a sacrificial master pattern [2]. It is the alternative technologies used to produce the sacrificial master pattern that are the focus of this paper. New product development and introduction (NPDI) of an IC component requires the expertise of several engineering disciplines. Communications between the various engineering disciplines are critical to assure that cost effective decisions during product design and process development are made. With that in mind, several of the options available to the engineering teams responsible for NPDI are explored in the subsequent text. Rapid prototype (RP) technologies have played a crucial role during NPDI. The patterns produced using the various forms of RP technologies have allowed the IC industry to be considered by design engineers as a viable manufacturing option for their products. A more recent development in the United States is rapid tooling (RT). RT is an additive process, using metal to build the individual layers of the cavity block or the cavity insert. The finished component can then be used as a wax pattern cavity. Engineering teams should also consider a combination of RT and traditional wax pattern tooling. The complex pattern cavities are produced using RT while the more simple components are produced using traditional tooling. For IC foundries to be competitive all available pattern making options must be considered. Multi-disciplined engineering teams will play an important role choosing the technologies discussed. With careful consideration, the engineering teams responsible for NPDI can ensure the future of the IC industry.

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Lee, Wen Yao, William N. Dawes, and John D. Coull. "Physics-Based Part Orientation and Sentencing: A Solution to Manufacturing Variability." In ASME Turbo Expo 2019: Turbomachinery Technical Conference and Exposition. American Society of Mechanical Engineers, 2019. http://dx.doi.org/10.1115/gt2019-91591.

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Abstract Casting deviations introduce geometric variability that impacts the aerodynamic performance of turbomachinery. These effects are studied for a High Pressure Turbine (HPT) rotor blade from a modern aero-engine. 197 blades were measured using three-dimensional structured-light scanning (GOM scanning), and the performance of each blade is quantified using Reynolds-Averaged Navier-Stokes (RANS) simulations. Casting variation is typically managed by applying geometric tolerances to determine the suitability of a component for service. The analysis demonstrates that this approach may not be optimal since it does not necessarily align with performance, in particular the capacity and efficiency. Alternatively, functional acceptance based on the predicted performance of each blade removes the uncertainty associated with geometric tolerancing and gives better performance control. Building on these findings, the paper proposes a method to set the orientation of the fir-tree, which is machined after casting. By customizing the alignment of each blade, performance variability and scrap rates can be significantly reduced. The method uses predictions of performance to reorient the castings to compensate for the manufacturing-induced errors, without changing the design-intent blade geometry and with minimal changes to the manufacturing facility.

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Nelson, Jeremy, Trace Silfies, Brian Crandall, and Jorge Penso. "Review of Life Assessment and Repair Strategies for Hydrogen Reformer Furnace Outlet Header Castings." In ASME 2020 Pressure Vessels & Piping Conference. American Society of Mechanical Engineers, 2020. http://dx.doi.org/10.1115/pvp2020-21555.

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Abstract Steam methane reforming is the most common method of hydrogen production relevant for plants in the petroleum upgrading, downstream refining, methanol, and ammonia industries. Owner-operators of steam methane reformer furnaces continue to make repair and replacement decisions that involve the cast outlet manifold fittings. One key part of these plans is assessment of the weldability and remaining life of the cast components. The 20Cr-32Ni-1Nb alloy casting materials typically used in the outlet manifolds are usually operated in the low end of their creep temperature range but are subject to metallurgical aging mechanisms which reduce their ductility, weldability, homogeneity, and fracture toughness. This paper covers the practices employed by several owner-users to optimize the lifecycle costs of the outlet manifold castings. These practices include but are not limited to controlled materials specifications, in-situ weldability tests, non-destructive testing in-situ and destructive testing post service, and repair practices such as annealing heat treatments. This paper also includes a limited survey of several owner-users and their fleets of reformer heaters. The details in the survey include the population of affected cast manifold components, alloy grades for the castings and welds, operating temperature ranges, number of startup and shutdown cycles, ranges of time in service, generic design details, and repair case studies. Also discussed are recent improvements in the state of the art for high temperature materials property data-gathering, as well as the structural modeling via Finite Element Methods. These new technologies are opportunities for future work to develop better strategies in the areas of condition assessment, repair planning, and remaining life prediction, taking into account the relevant parameters of installed manifold components, including: specific aging behavior of the casting chemistry, component mechanical design details, as well as the welding and heat treatment parameters during initial fabrication and subsequent maintenance activities.

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Reports on the topic "Component casting"

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Henderson, Hunter B., Eric T. Stromme, Phillip C. Chesser, et al. Prototyping and Manufacturing of Magnetic Gearbox Components using Innovations in Castings. Office of Scientific and Technical Information (OSTI), 2018. http://dx.doi.org/10.2172/1474589.

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Dale E. Brown and Puja B. Kadolkar. Development of Cost-Effective Low-Permeability Ceramic and Refractory Components for Aluminum Melting and Casting. Office of Scientific and Technical Information (OSTI), 2005. http://dx.doi.org/10.2172/878541.

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Kadolkar, Puja, and Ronald D. Ott. Development of Cost-Effective Low-Permeability Ceramic and Refractory Components for Aluminum Melting and Casting. Office of Scientific and Technical Information (OSTI), 2006. http://dx.doi.org/10.2172/930713.

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Littleton, Harry, and John Griffin. Energy Saving Melting and Revert Reduction Technology (Energy SMARRT): Manufacturing Advanced Engineered Components Using Lost Foam Casting Technology. Office of Scientific and Technical Information (OSTI), 2011. http://dx.doi.org/10.2172/1024103.

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