Relevant bibliographies by topics / Investment casting

Contents

  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers
  6. Reports

Academic literature on the topic 'Investment casting'

Author: Grafiati
Published: 4 June 2021
Last updated: 16 November 2024

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Journal articles on the topic "Investment casting"

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Prasanna, BG, M. Kalavathi, Bhuvana Sachin, TV Shreeharsha, B. Praveen, and Mallikarjuna Ragher. "Marginal Accuracy of Castings Fabricated with Ringless Casting Investment System and Metal Ring Casting Investment System: A Comparative Study." Journal of Contemporary Dental Practice 17, no. 2 (2016): 165–70. http://dx.doi.org/10.5005/jp-journals-10024-1821.

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ABSTRACT Background The thermal expansion of the investment can be restricted by the metal casting ring because the thermal expansion of the ring is less than that of the investment. The ringless casting procedure is in use in clinical dentistry, though there is little scientific data to support its use in fixed partial dentures. In this study, marginal discrepancy of castings produced with the ringless casting technique and the conventional technique using the metal rings were compared. Materials and methods A total of 30 wax patterns were fabricated directly on a metal die. Optical stereomicroscope was used to measure the marginal discrepancy between the metal die and wax patterns. A total of 15 castings were invested using Bellavest T phosphate-bonded investment with the ringless technique and 15 were invested with the same investment with a metal ring; 30 castings were produced using a nickel-chromium ceramo-metal alloy. The internal surface of the castings was not modified and seated with finger pressure. The vertical marginal discrepancy was measured using an optical stereomicroscope at a magnification of 100×. The data obtained were statistically analyzed using students t-test (paired t-test and unpaired t-test). Results The castings of the ringless technique provided less vertical marginal discrepancy (240.56 ± 45.81μ) than the castings produced with the conventional metal ring technique (281.98 ± 53.05μ). The difference was statistically significant. Conclusion The ringless casting technique had produced better marginal accuracy compared with conventional casting technique. Ringless casting system can be used routinely for clinical purpose. How to cite this article Kalavathi M, Sachin B, Prasanna BG, Shreeharsha TV, Praveen B, Ragher M. Marginal Accuracy of Castings Fabricated with Ringless Casting Investment System and Metal Ring Casting Investment System: A Comparative Study. J Contemp Dent Pract 2016;17(2):165-170.
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Guler, Kerem Altug, and Mustafa Cigdem. "Casting Quality of Gypsum Bonded Block Investment Casting Moulds." Advanced Materials Research 445 (January 2012): 349–54. http://dx.doi.org/10.4028/www.scientific.net/amr.445.349.

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In this study surface finish and dimensional charactersitics of castings produced with gypsum bonded block investment moulds were investigated. Commercial and laboratory made gypsum bonded investment moulds were used for investment casting mould making. To compare the casting quality of the investment powders, wax patterns for surface roughness specimens and linear dimension measurement specimens were designed and produced with special geometry. Wax trees were assembled with these patterns, cylindrical stainless steel perforated flasks were settled around the trees and gypsum bonded investment slurries were filled into flasks. Conventional tin bronze was subsequently cast into these moulds by vacuum assisted casting process. Afterwards, surface roughnesses of specimens were measured and linear dimensions of wax patterns and cast specimens were compared to determine percantage of dimensional change.
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Morey, E. F., and R. Earnshaw. "The Fit of Gold-alloy Full-crown Castings Made with Pre-wetted Casting Ring Liners." Journal of Dental Research 71, no. 12 (December 1992): 1858–64. http://dx.doi.org/10.1177/00220345920710120101.

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Measurements were made of the fit of full-crown gold-alloy castings produced with two types of pre-wetted ring liner (asbestos and cellulose) and a typical gypsum-bonded investment (Cristobalite Inlay, Sybron/Kerr Products, Romulus, MI; W/P = 0.40). Laboratory measurements were made of the effects of the liners on potential investment expansion, and properties of the lining materials considered relevant to casting accuracy were also measured. There was a wide variation in values for mean dimensional inaccuracy. One liner produced a series of castings all of whose inaccuracies lay within the range ± 0.1%, with a mean value of + 0.01%. With the other five liners, all or most castings were undersize. With three, all or most castings showed inaccuracies worse than -0.2%. The values for casting inaccuracy with the various liners showed a probable correlation with potential investment expansion (p < 0.05); however, no correlation was found between casting inaccuracy and any apparently relevant liner properties, alone or in combination. In casting techniques which use a pre-wetted ring liner, the choice of a specific lining material is an important factor which has a significant effect on casting inaccuracy. With at least three of the six liners tested, a higher investment expansion was needed for accurate full-crown castings to be ensured.
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Wu, Lan Ying, Xiao Lian Xiang, and Long You. "Research of Casting Process about Cover and Pump Body of Tonghai Pump and Mechanical Properties Test." Advanced Materials Research 631-632 (January 2013): 676–80. http://dx.doi.org/10.4028/www.scientific.net/amr.631-632.676.

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In order to obtain cover and pump body of tin bronze Tonghai pump that is dense and good pressure resistance,the casting mold of the cover of Tonghai pump is metal mold. The casting method of Tonghai pump is vacuum counter-pressure casting.The method of casting pump body of Tonghai pump is vacuum investment casting. This research is about reasonable casting process parameters of vacuum counter-pressure casting and vacuum investment casting.Finally qualified castings of cover and pump body of Tonghai pump can be obtained.
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Parlad Kumar, Rupinder Singh, and IPS Ahuja. "A Framework for Developing a Hybrid Investment Casting Process." Asian Review of Mechanical Engineering 2, no. 2 (November 5, 2013): 49–55. http://dx.doi.org/10.51983/arme-2013.2.2.2346.

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Traditionally, the process of investment casting is used for making complex components. But, investment casting is considered economical only when the production volume is high enough. If only limited numbers of pieces are promptly required such as in making prototypes, design iterations and design optimisations the investment casting process proves to be very costly due to time and tooling cost for making dies for producing wax patterns. In such situations, the rapid prototyping technologies are considered very useful as these can produce the patterns with good accuracy and without the necessity of costly hard tooling. The fused deposition modeling (FDM) is one of the rapid prototyping technology that can use plastic material, which can be effectively used for making patterns for investment casting. This combination of the traditional investment casting process with the modern rapid prototyping technologies to obtain a new process may be termed as hybrid investment casting. This study is intended to develop a framework for developing a hybrid investment casting process for industrial applications. For this newly developed process, various process parameters, their control and effects have been represented to obtain the desirable mechanical and metallurgical properties of the castings.
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Liu, Yong Zhen, Guo Ming Cui, Jian Min Zeng, Wu Kui Gan, and Jin Bo Lu. "Prediction and Prevention of Distortion for the Thin-Walled Aluminum Investment Casting." Advanced Materials Research 915-916 (April 2014): 1049–53. http://dx.doi.org/10.4028/www.scientific.net/amr.915-916.1049.

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Investment casting is one of main precision casting processes to realize near net shape castings. For the castings with thin-walled cross section or complicated shape, it is easy to generate casting stress such as thermal stress, mechanical stress and phase transformation stress, resulting in casting deformation due to the uneven cooling and hindered contraction. Once three-dimensional deformation is formed, it is very hard to correct. In this paper the finite element method (FEM) was used to analyze the stress and deformation of thin-walled lost wax casting. The results show that the temperature and stress distributions are uneven in the casting and the tendency to deform is higher even with insulating shell mold. And based on the results, the technical measures of adding supporting ribs are adopted to restrain deformation. The practice of volume production indicates that no casting was rejected due to deformation defects.
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Anderson, J. "Brass Investment Casting." International Journal of Metalcasting 7, no. 1 (January 2013): 60–61. http://dx.doi.org/10.1007/bf03355547.

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Hogade, Prof Hemant. "Investment Casting Using FDM 3-D Printing." International Journal for Research in Applied Science and Engineering Technology 10, no. 7 (July 31, 2022): 4216–20. http://dx.doi.org/10.22214/ijraset.2022.45967.

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Abstract: The earliest casting method is investment casting, which dates back to roughly 3500 BC. Precision casting and near net form are two applications. Product demand is increasing in India and around the world. The use of simulation and rapid prototyping techniques in the investment casting process improves quality while reducing lead time and cost. However, as complexity increases, the traditional sand casting technique has limits, one of which is the expensive expense of equipment to make moulds and cores. These limitations can be solved by using a 3D printer, which offers the distinct advantage of geometric freedom. A polycast design is created in the precise shape of the item to be cast in this project. A refractory ceramic substance has been applied to this pattern. The metal is flown through a mould that is linked to the tree. The accuracy and surface finish of the models and castings were also assessed in order to provide a comparison. It has a significant impact on part quality (surface finish, dimensional correctness, strength, and longevity), as well as lead time and cost. In terms of remote pattern manufacture, it offers a lot of potential
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Yang, Guang Yu, Wan Qi Jie, Qi Tang Hao, and Jie Hua Li. "Study on Process of Magnesium Alloy Investment Casting." Materials Science Forum 561-565 (October 2007): 1019–22. http://dx.doi.org/10.4028/www.scientific.net/msf.561-565.1019.

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The process of different sorts of magnesium alloys investment casting is studied using a mold materials composed of zircon and colloided silica binder. The investment shell is flushed out employing protective gas mixture of 1% HFC134a and inert gas. The castings with perfect appearance and high metallurgical quality are produced successfully for ZC62 and ME-1magnesium alloy respectively. The mechanical properties of the castings reached the ASTM standard.
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Aliyev, Elman. "NATIONAL ECONOMIC SIGNIFICANCE UNDER THE CONDITIONS OF THE ECONOMY OF KNOWLEDGE OF CASTING PRODUCTION AND THE KEY DIRECTIONS OF ITS DEVELOPMENT." ETM - Equipment, Technologies, Materials 05, no. 01 (January 20, 2021): 16–20. http://dx.doi.org/10.36962/etm0501202016.

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The modern economy is increasingly based on knowledge and, more broadly, on intangible assets that ensure sustainable innovation growth. The formation of an innovative type of knowledge economy can be considered one of the fundamental development trends at the global level. The modernization of the economy in the lifetime period means the introduction of modern technologies, increasing energy efficiency and labor productivity, producing high-quality products according to the most advanced standards. Ultimately, this is the creation of a competitive economy. Keywords: Casting, billet, castings, method of making castings, injection molding, centrifugal casting, investment casting, shell casting, chill casting.
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Dissertations / Theses on the topic "Investment casting"

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Hugo, Philip. "Suitability of layer manufacturing technologies for rapid tooling development in investment casting." Thesis, Link to the online version, 2008. http://hdl.handle.net/10019/847.

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Trevor, Simon. "Dimensional accuracy of investment casting shells /." [St. Lucia, Qld.], 2000. http://www.library.uq.edu.au/pdfserve.php?image=thesisabs/absthe16943.pdf.

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Torres, Jesus Cirre. "Thermo physical properties of investment casting waxes." Thesis, University of Birmingham, 2004. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.410856.

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Kumar, Naresh. "The modelling of precision investment casting processes." Thesis, Imperial College London, 1989. http://hdl.handle.net/10044/1/47521.

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Rutto, Hilary Kiplimo. "Urea-based moulding compounds for investment casting." Pretoria : [s.n.], 2009. http://upetd.up.ac.za/thesis/available/etd-05132009-155138/.

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Harun, Zawati. "Simulation of drying for multilayer investment casting shells." Thesis, Swansea University, 2007. https://cronfa.swan.ac.uk/Record/cronfa42815.

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The number of interacting variables influencing the drying of ceramic shells is large and to explore by experimental means is prohibitive. Therefore, the main advantage of the proposed theoretical model in this work, is that the effect of the drying conditions on their other important parameters (such as saturation, temperature, gas pressure) and transport properties (permeabilities, diffusivity) that control final properties of a multilayer ceramic shell can be investigated without extensive experimentation. This is very important in avoiding shell failure due to incomplete drying. Due to the fact that a porous ceramic body is a three phase system (solid, liquid and gas), modelling its transport and thermodynamic behaviour involves a complex solution due to the highly nonlinear physics that capture their evolution. A twodimensional numerical model based on the fundamental equations of heat, mass and gas transport was developed to establish the drying and thermodynamic response of the ceramic shell system. This complete coupled set is based on Whitaker's model that includes the mass, momentum and energy equation which also embodies the constitutive diffusion and capillary flow theory and its evaporation-condensation term in the flow phases; conduction, convection and latent heat of evaporation in the energy equation; along with the gas transport equation. The most widely implemented numerical solution (the fully implicit backward time stepping scheme) in the area of multiphase flow and drying in porous media was chosen for the temporal solution. The finite element method was employed for the spatial solution, due to its flexibility in dealing with complex geometries, and also it shows an ideal approach to employ in the solution of this class of problem. Both of the temporal and spatial numerical solutions for the theoretical solution were implemented into a computational code by using the Fortran programming language. This simulation scheme has been benchmarked against thermal test cases (to confirm the correct functioning of the thermal analysis) and for the first time the brick drying benchmark by Stanish in which it is demonstrated to provide the best solution. The scheme was then extended to address the drying of a single ceramic layer and compared with the published work, again showing good agreement. For the first time a simulation approach for the drying of a multilayer system that includes the impact of wet layer addition is proposed. The principles of an ab initio scheme are demonstrated that again show good agreement with experimental trends. Further work is required to obtain a better match with experimental data, but to do so will require improvements in deriving a compatible material data set that is appropriate for this simulation approach. The scheme set out in this thesis may be used to guide the test selection tofacilitate derivation of these material properties.
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FORNO, ILARIA. "Investment Casting of Precious Metals: Materials and Methods." Doctoral thesis, Politecnico di Torino, 2012. http://hdl.handle.net/11583/2502741.

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Aim of this work is the analysis of the materials and parameters related to the investment casting process,mainly focusing on peculiarities and criticisms of the casting of precious metals in jewelry production.Precious metals casting is traditionally and historically targeted to overcoming limitations in terms of geometries and final quality of the cast part. Moreover, an increasing interest rises concerning the use of new technologies and the industrializations of typical handcraft skills. New materials are therefore introduced into the process, in order to be able to get thin and intricate shapes, hollow parts and innovative design features. This is leading to a substantial rearranging of the process, with a constant innovation regarding technologies and medication of traditional materials. Considering the whole process, nvestment casting is dealing with a wide range of materials, from metallic, polymeric and ceramic classes. All these materials cannot be considered as single identities, but their synergetic behavior has to be studied, not just meaning that all of them contribute to the final quality of the cast part, but taking into account possible mutual interdependencies. The research work has been divided in a preliminary analysis of the process, in order to deepen the knowledge about material features, and in a extended study on the application of competences deriving from other sectors to the specific one. In fact it’s almost impossible to find sector boundaries between jewelry and fashion accessories both in terms of process and in terms of market. Therefore the analysis of the state of the art has been widened to other processes and applications, in particular focusing on fashion accessories and eyewear component production. Market analysis clearly show a high interest of jewelry towards innovative processes/materials, often deriving from completely different fields of application. For this reason, an analysis of the investment casting process applied in the automotive and biomedical sectors can give valuable hints for the jewelry production optimization. Particular attention has also been paid to fluid dynamic analysis of the casting system, considering metal flow into the flask and following cooling and solidification. For this purpose, computational fluid dynamic has been applied to the process. Material analysis, needed for both the simulation and for a complete understanding of the process, has been carried out. Physical and thermal properties of metals and investment materials have been analyzed in order to get a proper database for casting simulation. Waxes and resins have been tested both in terms of thermal, mechanical and chemical characteristic, in order to understand their respective roles into the process and try to optimize them. Following the analysis, process implementation has been performed in order to apply information deriving from experimental tests to the process. Many parameters can be taken into account when optimizing precious metal casting; in order to focus the research activity, some limitation in terms of process have been applied. Casting trails were conducted using a static vacuum casting machine on sterling silver and 18 kt. Gold alloys, referring to traditional investment casting process.
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Ho, Kwok-hung Eric. "Dimensional calibration of castings in phosphate bonded investment." Click to view the E-thesis via HKUTO, 1994. http://sunzi.lib.hku.hk/HKUTO/record/B3862798X.

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Ho, Kwok-hung Eric, and 何國雄. "Dimensional calibration of castings in phosphate bonded investment." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 1994. http://hub.hku.hk/bib/B3862798X.

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Deez, Brent Steven. "An investigation on the suitability of layer manufacturing methods for rapid tooling development in investment casting of light metal alloys." Thesis, Cape Peninsula University of Technology, 2010. http://hdl.handle.net/20.500.11838/2228.

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Thesis (MTech (Mechanical Engineering))--Cape Peninsula University of Technology, 2010.
The research presented in this report focuses on Investment Casting capabilities for light metal alloys in South Africa and forms part of the Advanced Manufacturing Technology Strategy's (AMTS): Light Weight Metals flagship programme. The research is centred on the suitability of rapid prototyping (RP)/Iayer manufacturing (LM) methods to produce patterns for the investment casting of aluminium (AI), magnesium (Mg) and titanium (Ti) alloys, together known as Rapid Investment Casting. Three core RP technologies are investigated namely: Three Dimensional Printing - Drop-on-Bed from Z-corporation, Three Dimensional Printing - Drop-on- Drop from ThermoJet - 3D Systems and Selective Laser Sintering from EOS. Various RP/LM processes are discussed in detail and highlight the technologies selected in this study. A standard benchmark part, adapted from the European project framework FP6, designed and utilised in similar studies is used as the basis for the research. The Investment Casting process is discussed fully and compared to the Rapid Investment Casting, listing both the advantages and disadvantages of the above mentioned methods. In addition a special study has been conducted on investment casting of large components using layer manufactured patterns. This study not only helped to establish and validate the shrinkage value calculated for the aluminium castings but also showed substantial capability lacks in SA foundries to handle this type of components, which are by definition most often of high added value.
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Books on the topic "Investment casting"

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Beeley, Philip R., and Robert F. Smart. Investment Casting. London: CRC Press, 2023. http://dx.doi.org/10.1201/9781003419228.

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Society, American Foundrymen's, and Cast Metals Institute, eds. Investment casting waxes. Des Plaines, Ill: American Foundrymen's Society, 1988.

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V, Kondic, and Thomas Susan P, eds. Basic elements of feeding investment castings. Des Plaines, Ill: American Foundrymen's Society, 1994.

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Society, American Foundrymen's, ed. Handbook of the investment casting process. Des Plaines, Ill: The Society, 1993.

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Zhang, Dinghua, Yunyong Cheng, Ruisong Jiang, and Neng Wan. Turbine Blade Investment Casting Die Technology. Berlin, Heidelberg: Springer Berlin Heidelberg, 2018. http://dx.doi.org/10.1007/978-3-662-54188-3.

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W, Smith C. Recovery of zircon from investment casting molds. [Avondale, Md.]: U.S. Dept. of the Interior, Bureau of Mines, 1985.

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Kuang, Jian Ping. The investment casting of gamma titanium aluminides. Birmingham: University of Birmingham, 1997.

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National Conference on Investment Casting (2nd 2006 Hyderabad, India). Proceedings of the National Conference on Investment Casting (NCIC-2006), 28-29 December, 2006: Current research trends in investment casting. Edited by Mondal Biswanath, Basu Jhankar, Sinha Gopal Prasad 1946-, and Central Mechanical Engineering Research Institute. New Delhi: Allied Publishers, 2007.

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Hyde, Robin. The mechanical properties of mould materials for investment casting. Birmingham: University of Birmingham, 1998.

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National Conference on Investment Casting (2003 Central Mechanical Engineering Research Institute). Proceedings of the National Conference on Investment Casting: NCIC 2003. Edited by Mondal Biswanath and Central Mechanical Engineering Research Institute. New Delhi: Allied Publishers, 2004.

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Book chapters on the topic "Investment casting"

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Miller, Richard K. "Investment Casting." In Industrial Robot Handbook, 470–78. Boston, MA: Springer US, 1989. http://dx.doi.org/10.1007/978-1-4684-6608-9_47.

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Gooch, Jan W. "Investment Casting." In Encyclopedic Dictionary of Polymers, 395. New York, NY: Springer New York, 2011. http://dx.doi.org/10.1007/978-1-4419-6247-8_6437.

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Leclerc, M. F. "Investment Casting in Surgery and Dentistry." In Investment Casting, 441–73. London: CRC Press, 2023. http://dx.doi.org/10.1201/9781003419228-16.

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Smart, R. F. "General Applications of Investment Castings." In Investment Casting, 392–407. London: CRC Press, 2023. http://dx.doi.org/10.1201/9781003419228-14.

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Bond, S. M. "Melting and Casting." In Investment Casting, 123–49. London: CRC Press, 2023. http://dx.doi.org/10.1201/9781003419228-5.

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Hartmann, E. F., and P. Johnson. "Health, Safety and Environmental Legislation." In Investment Casting, 212–39. London: CRC Press, 2023. http://dx.doi.org/10.1201/9781003419228-8.

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Williams, R. B. "Pattern Technology." In Investment Casting, 43–64. London: CRC Press, 2023. http://dx.doi.org/10.1201/9781003419228-3.

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Mills, D. "Investment Materials and Ceramic Shell Manufacture." In Investment Casting, 65–122. London: CRC Press, 2023. http://dx.doi.org/10.1201/9781003419228-4.

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Beeley, P. R. "Metallurgical Aspects: Structure Control." In Investment Casting, 293–333. London: CRC Press, 2023. http://dx.doi.org/10.1201/9781003419228-10.

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Bell, G. A. "Tooling." In Investment Casting, 30–42. London: CRC Press, 2023. http://dx.doi.org/10.1201/9781003419228-2.

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Conference papers on the topic "Investment casting"

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Panusch, David, Christoph Birkenhauer, and Gerald Gold. "Investment Casting of Microwave Components for E-Band." In 2024 54th European Microwave Conference (EuMC), 216–19. IEEE, 2024. http://dx.doi.org/10.23919/eumc61614.2024.10732681.

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Richard, Christopher T., and Tsz-Ho Kwok. "Rapid Investment Casting: Design and Manufacturing Technologies." In ASME 2019 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. American Society of Mechanical Engineers, 2019. http://dx.doi.org/10.1115/detc2019-97554.

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Abstract With the emergence of new metal AM (additive manufacturing) methods, rapid IC (investment casting), a variation of conventional investment casting has been a popular topic of research in the fields of: aerospace, dentistry and biomedical engineering. RIC (Rapid investment casting) takes advantage of the additive nature of 3D printing for pattern making which allows for more complex castings than traditional investment casting. RIC is a manufacturing process that combines the casting knowledge accumulated over five thousand years with relatively novel AM knowledge. The result is a process that can compete with newer metal AM methods with the added benefits of excellent surface finish, fatigue strength and the ability to create parts from almost any metal or metal alloy. This article will focus on research advancements in investment casting, AM and all the topics that are closely related to optimizing these two processes. Beyond that, aerospace, dentistry and biomedical engineering advancements using investment casting will be reviewed.
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Futas, Peter. "COMPUTER SIMULATION OF CASTING PRODUCED BY INVESTMENT CASTING TECHNOLOGY." In 13th SGEM GeoConference on INFORMATICS, GEOINFORMATICS AND REMOTE SENSING. Stef92 Technology, 2013. http://dx.doi.org/10.5593/sgem2013/bb2.v1/s07.004.

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Bayha, T. D., M. Lu, and K. E. Kloske. "Investment Casting of Allvac 718Plus Alloy." In Superalloys. TMS, 2005. http://dx.doi.org/10.7449/2005/superalloys_2005_223_232.

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Sowden, Ike, and George Currier. "Simulating the Effects of Initial Condition Variance in the Investment Casting Process." In 2013 Joint Rail Conference. American Society of Mechanical Engineers, 2013. http://dx.doi.org/10.1115/jrc2013-2431.

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A consistent casting process can sometimes be a challenge to achieve due to the wide array of initial conditions that can affect the process. Variation in these initial conditions during the casting process can generate an array of unexpected results, which sometimes have a negative effect on the structural integrity of the castings. Cold shuts, shrinkage formation, and hot tears are just a few examples of the defects that can arise. Throughout the history of the railroad, castings found with these types of defects have plagued the industry. Since castings are considered a leading method for manufacturing metal components, it is important to have a consistent and repeatable process. Without this, defects can drive the quality of the product down and cause castings to fail while in service. Studying the effects of initial condition variance can teach us which parameters can positively or negatively affect the overall casting process. Improvements in a foundry’s process can then be implemented resulting in a more consistent, reliable final product. Computer simulation software has proven to assist in predicting defects before a single casting has even been poured. As with any simulation, care must be taken when setting up the input parameters. Without careful consideration of the initial conditions, the results may not reflect the actual process. Because of this fact, Strato, Inc. continues researching and sharing its findings regarding the effectiveness of these simulations. This research helps to ensure that a higher quality product with a lower fall-out rate is delivered promptly to the customer. Specific initial conditions are explored in this paper. Variance in the soundness of the casting process is examined through the use of material density plots. These density plots, which provide a visual indication of internal shrinkage, have been obtained using simulation software. These predictions of shrinkage are then compared to actual castings that were poured using the same initial conditions. Results from the following three case studies present evidence to further the belief that using this software, which allows for a deeper understanding of the thermal and fluid dynamics of the casting process, has a direct impact on both quality, as well as the time it takes to develop a sound process. With the knowledge gained by simulating variance in initial casting conditions, a more robust rigging design and overall casting process can be achieved. This paper is a continuation of Strato’s investigation into the effects of varying initial conditions with simulation software and comparison with real world results. The first part was presented at the 2012 ASME JRC and can be found within its proceedings. Although some concepts and terms are explained in both papers, it is suggested that part one of this paper be reviewed by those who would like more insight into the framework of this paper.
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Partono, Patna, Dian Angga Prakoso, Masyrukan, Sunardi Wiyono, Dessy Ade Pratiwi, Ummi Kultsum, Nur Annisa Istiqamah, and Desi Gustiani. "Methods of gravity die casting and gravity investment casting on density, porosity, microstructure, and hardness in aluminum casting." In PROCEEDINGS OF THE 8TH INTERNATIONAL CONFERENCE ON ENGINEERING, TECHNOLOGY, AND INDUSTRIAL APPLICATIONS 2021 (8th ICETIA 2021): Engineering, Environment, and Health: Exploring the Opportunities for the Future. AIP Publishing, 2024. http://dx.doi.org/10.1063/5.0200303.

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Adjunta, Jimmy, and Donald Houser. "A Study on the Shrinkage Characteristics and Dimensional Accuracy of Cast Gears." In ASME 1992 Design Technical Conferences. American Society of Mechanical Engineers, 1992. http://dx.doi.org/10.1115/detc1992-0081.

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Abstract This paper is primarily concerned with the evaluation of the dimensional quality of spur gears produced by two casting processes, i. e., the investment casting and v-sand casting processes. The casting patterns used were designed by compensating for process shrinkage, and were manufactured using a flexible CNC gear machining process. A computer program, CASTGR, was written to facilitate the design phase of the patterns. The various gear configurations cast were inspected using an universal coordinate measuring machine. The geometry of the casting and pattern were correlated to verify the contraction characteristics of the gear castings. In an attempt to categorize the precision capabilities of the two casting processes, the spread of the deviations found for tooth thickness measurements and measurements along profiles and leads of the cast gears were examined. The observed effects of other process variables is also included.
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Mazdiyasni, Siamack, and Thomas R. Wright. "Business and Process Improvements in the Investment Casting Sector." In Aerospace Manufacturing Technology Conference & Exposition. 400 Commonwealth Drive, Warrendale, PA, United States: SAE International, 1998. http://dx.doi.org/10.4271/981855.

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Zhao, Xuebo, Haiming Liu, Jianjun Zhang, Jinhai Liu, and Shaonong Yu. "Optimal technical parameters for investment casting of steel elbows." In The 3rd International Conference on Application of Materials Science and Environmental Materials (AMSEM2015). WORLD SCIENTIFIC, 2016. http://dx.doi.org/10.1142/9789813141124_0003.

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Jacobs, Paul. "Stereolithography 1993: epoxy resins, improved accuracy, and investment casting." In Coupling Technology to National Need, edited by Arthur H. Guenther and Louis D. Higgs. SPIE, 1994. http://dx.doi.org/10.1117/12.170612.

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Reports on the topic "Investment casting"

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Havstad, M. A. Emittance of investment casting molds. Office of Scientific and Technical Information (OSTI), July 1994. http://dx.doi.org/10.2172/10180706.

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Janney, M., and F. Klug. Gelcasting Alumina Cores for Investment Casting. Office of Scientific and Technical Information (OSTI), January 2001. http://dx.doi.org/10.2172/774504.

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Richards, Von. FInal Report - Investment Casting Shell Cracking. Office of Scientific and Technical Information (OSTI), December 2003. http://dx.doi.org/10.2172/819623.

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Sabau, Adrian S., and Nick Cannell. Predicting Pattern Tooling and Casting Dimensions for Investment Casting, Phase III. Office of Scientific and Technical Information (OSTI), December 2007. http://dx.doi.org/10.2172/923051.

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Sabau, Adrian S. Predicting Pattern Tooling and Casting Dimensions for Investment Casting - Phase II. Office of Scientific and Technical Information (OSTI), September 2005. http://dx.doi.org/10.2172/974578.

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Nick Cannell and Adrian S. Sabau. Predicting Pattern Tooling and Casting Dimensions for Investment Casting, Phase II. Office of Scientific and Technical Information (OSTI), September 2005. http://dx.doi.org/10.2172/850402.

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Sabau, Adrian S. Predicting Pattern Tooling and Casting Dimensions for Investment Casting, Phase III. Office of Scientific and Technical Information (OSTI), April 2008. http://dx.doi.org/10.2172/932641.

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F. Douglas Neece Neil Chaudhry. Advanced Pattern Material for Investment Casting Applications. Office of Scientific and Technical Information (OSTI), February 2006. http://dx.doi.org/10.2172/897812.

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Owens, R. Investment casting design of experiment. Final report. Office of Scientific and Technical Information (OSTI), October 1997. http://dx.doi.org/10.2172/645532.

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Baldwin, Michael D. Rapid Tooling via Investment Casting and Rapid Prototype Patterns. Office of Scientific and Technical Information (OSTI), June 1999. http://dx.doi.org/10.2172/7794.

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