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Relevant bibliographies by topics / Gravity die casting

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Academic literature on the topic 'Gravity die casting'

Author: Grafiati

Published: 4 June 2021

Last updated: 11 March 2023

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Journal articles on the topic "Gravity die casting"

1

Chirita, G., I. Stefanescu, Delfim Soares, and F. S. Silva. "Effect of Gravity/ Vibration/ Centrifugal Process on Mechanical Properties of an Al-Si Alloy." Materials Science Forum 587-588 (June 2008): 395–99. http://dx.doi.org/10.4028/www.scientific.net/msf.587-588.395.

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On this paper, a study that evaluates the influence of some variables on the mechanical properties of the vertical centrifugal casting is made. It is emphasized the fact that the centrifugal effect from vertical centrifugal casting brings special features on mechanical properties. It has been observed that the centrifugal effect may substantially increase, in some alloys, the rupture strength, rupture strain, and Young modulus, as compared to the gravity casting technique. When compared to gravity casting, the centrifugal casting process, besides the centrifugal force (pressure effect), always

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Sekar, K., Allesu Kanjirathikal, and M. A. Joseph. "Comparison Study of As-Cast and T6 Condition of Microstructure, Bending Strength and Double Shear Strength of A356 Alloy by Gravity, Vacuum and Squeeze Casting." Applied Mechanics and Materials 592-594 (July 2014): 102–5. http://dx.doi.org/10.4028/www.scientific.net/amm.592-594.102.

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The hardness, bending strength, and double shear strength of A356 aluminium alloy was studied under as cast and T6 heat treatment conditions obtained with gravity casting, vacuum casting and squeeze casting methods. The results of these three casting methods have been compared. The hardness, bending strength of A356 alloy after T6 obviously increased; the hardness value of both vacuum casting and squeeze casting has been found to be 62 HRB which is relatively high compared to gravity casting. The bending strength of gravity casting is 299 MPa (22% increase) compared to vacuum casting. However,

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Nadolski, M., Z. Konopka, M. Łągiewka, and A. Zyska. "The Influence of the Mould Filling Conditions on the Quality of Castings Made of EN AC-44000 Alloy." Archives of Foundry Engineering 14, no. 2 (2014): 19–22. http://dx.doi.org/10.2478/afe-2014-0029.

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Abstract The work deals with the influence of change in the filling conditions of the ceramic moulds with plaster binder on the presence of gaseous porosity and the microstructure of the achieved test castings with graded wall thickness. Castings made of EN AC-44000 alloy, produced either by gravity casting, or by gravity casting with negative pressure generated around the mould (according to the Vacumetal technology), or by counter-gravity casting were compared. The results of examinations concerning the density of the produced castings indicate that no significant change in porosity was foun

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Nadolski, M., Z. Konopka, M. Łągiewka, and A. Zyska. "The Influence of the Method of Mould Filling on the Quality of Castings Made of EN AC-44000 or EN AC-46200 Alloy." Archives of Foundry Engineering 14, no. 4 (2014): 73–76. http://dx.doi.org/10.2478/afe-2014-0089.

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Abstract The performed examinations concerning the process of filling the plaster ceramic moulds with aluminium alloys allowed to assess the influence of various methods of introducing the metal into the mould cavity on the macro- and microstructure of the obtained experimental castings. The comparison was performed for castings with graded wall thickness made either of EN AC-44000 alloy or of EN AC-46000 alloy, produced either by gravity casting, or by gravity casting with negative pressure generated around the mould (according to the Vacumetal technology), or by counter-gravity casting. It w

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Jie, Wan Qi, Xin Lei Li, and Qi Tang Hao. "Counter-Gravity Casting Equipment and Technologies for Thin-Walled Al-Alloy Parts in Resin Sand Molds." Materials Science Forum 618-619 (April 2009): 585–89. http://dx.doi.org/10.4028/www.scientific.net/msf.618-619.585.

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A counter-gravity casting equipment (CGCE) has been developed, which is specially designed for the production of large-size thin-walled high-quality aluminum alloy parts with resin sand molds. In this equipment, molten metal will be pushed upward counter-gravity into the mold at predetermined rate by compressed air, and solidified at an increased pressure. The equipment uses assembled valve system developed ourselves, and has sensitive pressure-adjusting property. All of the casting parameters, including filling rate, pressure-exerting sequence, pressure hold time etc., can be closely controll

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Shao, Heng, Yan Li, Peng Zhao, Hai Nan, and Qing Yan Xu. "Numerical Simulation of Centrifugal Casting Process of Large Thin-Wall Ti Alloy Casting." Materials Science Forum 850 (March 2016): 469–81. http://dx.doi.org/10.4028/www.scientific.net/msf.850.469.

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Centrifugal pouring is often used in investment casting of large thin-wall Ti castings to promote filling. Shrinkage defects often appear in a Ti casting produced by centrifugal casting. Numerical simulation indicate that shrinkage is caused by these reasons: improper pouring system and thin-wall structure limited feeding of liquid metal from pouring system, and centrifugal force enlarged the shrinkage defects by strengthen feeding of liquid within the casting. Thus centrifugal casting is replaced by gravity casting and a new pouring system is adopted. Obvious shrinkage defects disappear in th

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Chen, Ping, Jian Min Zeng, Wu Kui Gan, and Jin Bo Liu. "Comparison of Mechanical Properties of 357-T6 Aluminum Alloy Aast under Gravity Permanent Casting and Low Pressure Die Casting." Advanced Materials Research 941-944 (June 2014): 77–80. http://dx.doi.org/10.4028/www.scientific.net/amr.941-944.77.

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357-T6 is an alloy that has been widely used due to excellent casting properties and mechanical performances. The aluminum wheels can be cast with both permanent and low pressure die castings. In this study, the mechanical properties of 357-T6 were compared between the gravity permanent casting (GPC) and low pressure die casting (LPDC). The specimens were cast through permanent and LPDC processes, respectively and were heat treated under T6, with different aging temperatures 155°C, 165°C, 175°C and 185°C after the solution treatment of 545°C for 9 hours. The ultimate tensile strength and elong

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Ignaszak, Zenon, and Jakub Hajkowski. "Identification of Casting Conditions Influence on the Structure and Properties of Al-Si-X Alloy Castings by Experimental and Virtual Way." Defect and Diffusion Forum 367 (April 2016): 110–20. http://dx.doi.org/10.4028/www.scientific.net/ddf.367.110.

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The paper describes influence of the structure type and its parameters on the mechanical properties of cast products (not subjected to plastic forming), made out of Al-Si-X alloys. The special attention has been focused on the dendritic structure parameters: dendritic arms spacing of the first order (DAS 1) and the second order (DAS 2). The results of investigations of mechanical properties of the test castings made using three basic casting technologies: gravity sand casting (GSC), gravity die casting (GDC) and high pressure die casting (HPDC), are presented. All the castings were made out of

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Krishnan, Arjun Bala, Kavin Selvaraj, Akhil Madhusoodhanan Geethakumari, and Ravi Manickam. "Effect of Heat Treatment on the Microstructure of Gravity Cast and Squeeze Cast Al-Si-Mg Alloy." Materials Science Forum 830-831 (September 2015): 164–67. http://dx.doi.org/10.4028/www.scientific.net/msf.830-831.164.

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The present work deals with the effect of solutionising heat treatment on the features of Al-7Si-0.3Mg (A356) alloy in terms of microstructural modifications and hardness. The microstructure of sand cast and gravity cast alloys are coarse which results in lower strength compared to the alloys cast using modern casting techniques such as squeeze casting which is used for the fabrication of near-net-shaped castings. The influence of enhanced cooling rate on the hardness and microstructure of the squeeze casting technique has been exploited in the present study. In order to optimise the heat trea

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Li, Long Fei, Da Quan Li, Min Luo, et al. "Influence of Rare Earth Additions on the Microstructure and Mechanical Properties of Al7Si0.3Mg Alloys Processed by Semi-Solid Die Casting and Gravity Die Casting." Solid State Phenomena 285 (January 2019): 69–74. http://dx.doi.org/10.4028/www.scientific.net/ssp.285.69.

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Microstructures with fine globular grains and refined eutectic structures are important to enhance the mechanical properties of A356 alloys processed by semi-solid and gravity die casting. Rare earth (RE) additions have been shown to be capable of refining both the α-Al particles as well as modify the eutectic phase of alloys. In semi-solid die casting, Al7Si0.3Mg alloys with RE concentrations (0, 0.1 and 0.4 wt.%) were used to prepare semi-solid slurries using the SEED (Swirling Enthalpy Equilibrium Device) method, and subsequently semi-solid die cast. The same compositions of alloys were als

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Dissertations / Theses on the topic "Gravity die casting"

1

Elfakharany, Essameldin F. "Qualitative Reasoning for filling pattern in high-pressure die-casting and gravity-driven casting /." The Ohio State University, 1999. http://rave.ohiolink.edu/etdc/view?acc_num=osu1488192447430967.

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Samonds, M. T. "Finite element simulation of solidification in sand mould and gravity die castings." Thesis, Swansea University, 1985. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.384446.

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Archer, Lucas Andrew. "Development of high-performance cast steel crankshafts." Thesis, University of Iowa, 2016. https://ir.uiowa.edu/etd/2179.

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To produce cast steel crankshafts, risering and gating systems are developed. Filling and solidification simulations of the steel crankshaft rigging are carried out to confirm that the rigging developed will produce a low porosity casting. A sand mold is created with Computer-aided design software, based on the developed crankshaft and rigging. Two prototype crankshafts are cast from the sand molds, and analyzed for porosity. The porosity analysis results are compared directly to the simulated porosity, and found to be in good agreement. From the analysis of the prototype crankshaft, rigging s

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VERNET, JUSTINE MARIE. "Out-of-equilibrium behaviour of copper-based alloys in industrial, artistic and historical gravity casting processes." Doctoral thesis, Università degli studi di Genova, 2018. http://hdl.handle.net/11567/929289.

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Copper alloys and casting practices are of major importance in both fields of archaeometry and material sciences. Universally recognized as key technologies in humankind history, they have known a continuous use through times and still are intensively applied in our modern industry. However, a considerable part of the actual knowledge on the non-equilibrium behaviour of ancient copper alloys during casting processes, like bronze and brass, comes from empirical traditions more than from scientific researches. Furthermore, from an archaeological point of view, technological investigations are o

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Facchinelli, Nicola. "Microstructural and technological optimisation of magnesium alloys." Doctoral thesis, Università degli studi di Padova, 2013. http://hdl.handle.net/11577/3426654.

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Magnesium is one of the most abundance element in nature, and it's characterised by a lower density than aluminium. These characteristics confer great potential to magnesium alloys, which are so used for specialised applications, like for military purposes and in the aerospace industry. While some magnesium alloys, including the AM60B alloy, are historically associated to high pressure die casting, for such applications the magnesium alloy components are usually produced by the gravity casting process, in order to minimise the defect's content and to achieve better castings' mechanical propert

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Hamasaiid, Anwar. "Transferts thermiques interfaciaux en fonderie en moules métalliques d'alliages légers." Toulouse 3, 2007. http://www.theses.fr/2007TOU30249.

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L'objectif de ce projet est d'étudier les transferts thermiques interfaciaux pendant la solidification des alliages légers dans les procédés de fonderie par gravité et sous pression. Pour cela, nous avons développé des méthodes expérimentales et des capteurs appropriés permettant d'effectuer les mesures de température dans le moule et en surface de la pièce pendant le remplissage et la solidification. Nous avons également enregistré les paramètres procédés sur une installation de fonderie sous pression particulièrement bien instrumentée. Pour la mesure de température de surface de la pièce cou

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Staňková, Markéta. "Hodnocení porezity u odlitků gravitačně litých z Al slitin." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2008. http://www.nusl.cz/ntk/nusl-228043.

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Solving of this diploma thesis is evaluation porosity in sequence on mechanical properties from different Al alloys. Castings were made by gravity casting to the iron-mould or gravity casting to the sand. Measurements (mechanical properties, porosity, DAS - dendrite arm spacing, shape factors and sphericity) were statistically analysed and dependencies which were detected were processed to the graphs.

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yu-hsien, Lin, and 林育賢. "The Manufacturing of Porous Metal for Gravity-Casting." Thesis, 2006. http://ndltd.ncl.edu.tw/handle/81953904871766594157.

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碩士<br>國立高雄應用科技大學<br>模具工程系碩士班<br>94<br>The porous metals are getting used in the molds of plastic injection and die casting for evacuating the air or gas. This work is to study the manufacturing of porous iron materials with parallel pores. A hundred of 0.25~0.26mm diameters of copper wires were first assembled apart each other as a unit of 10mm diameters and put in the hollow tube of diameters of 12mm which have couples of surface holes for gas drawing. The iron powders with binder bubbles extinguisher and dispersant are mixed poured in to the copper wire unit and compacted during drawing the

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LIN, GUAN-YI, and 林冠億. "Application of CAE in Aluminum Alloy Tilt Gravity Casting." Thesis, 2018. http://ndltd.ncl.edu.tw/handle/h89y4x.

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碩士<br>逢甲大學<br>機械與電腦輔助工程學系<br>106<br>The objective of this research is to evaluate the effectiveness of gating design and misrun problem caused by back pressure of the A356 aluminum alloy tilt gravity casting vent using the foundry CAE software, ProCAST. The metallographic microstructure and hardness variation of A356 aluminum alloy casting through melt treatment to heat treatment are also evaluated. The simulation result shown that unpressurized gating system with gating ratio of “1:1.7:3.52” has a lower flow speed than “1:1.7:1.13”. Flow speed decreased about 18%. The molten aluminum flow ge

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Kuan, Chung-Hao, and 關中皓. "Studies on Squeeze Casting and Gravity Casting in Gas Tungsten Arc Welding of A356 Aluminum Alloy." Thesis, 1997. http://ndltd.ncl.edu.tw/handle/39512267594439091470.

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碩士<br>國立中央大學<br>機械工程學系<br>85<br>A356 aluminum alloy of the squeeze castings and gravity castings were fusion welded with the gas tungsten arc welding process.The effects of gas flow rates,T6 heat treatment, and the type of filler metal were investigated under different welding conditions. The appearance of the welded surface under anodic treatment was also compared and analyzed. It was found that the gas flow rates greatly influenced the weld porosity and the evaporation of low boiling poi

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Books on the topic "Gravity die casting"

1

Isawa, Tomoo. The control of the initial fall of liquid metal in gravity-filled casting systems. University of Birmingham, 1994.

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The 2006-2011 World Outlook for Industrial Permanent Metal Molds for Gravity Casting Excluding Ingot Molds. Icon Group International, Inc., 2005.

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Book chapters on the topic "Gravity die casting"

1

Campbell, John. "Counter Gravity Casting." In Advances in the Science and Engineering of Casting Solidification. John Wiley & Sons, Inc., 2015. http://dx.doi.org/10.1002/9781119093367.ch42.

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Campbell, John. "Counter Gravity Casting." In Advances in the Science and Engineering of Casting Solidification. Springer International Publishing, 2015. http://dx.doi.org/10.1007/978-3-319-48117-3_42.

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Hsu, Fu-Yuan, and Huey-Jiuan Lin. "Foam Filters Used in Gravity Casting." In Shape Casting. John Wiley & Sons, Inc., 2011. http://dx.doi.org/10.1002/9781118062050.ch6.

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Puhakka, Bob. "Advanced Methoding Concepts for the Gravity Casting of Steel Alloys." In Shape Casting. John Wiley & Sons, Inc., 2011. http://dx.doi.org/10.1002/9781118062050.ch29.

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Mirihanage, Wajira U., and David J. Browne. "Effects of Gravity on the Columnar to Equiaxed Transition in Directional Solidification." In Shape Casting. John Wiley & Sons, Inc., 2011. http://dx.doi.org/10.1002/9781118062050.ch16.

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Tan, Engin, Sinan Aksöz, Yavuz Kaplan, Hilal Can, and Derya Dışpınar. "Improvement in Metallurgical Properties of Gravity Die Cast 2024-T6 Aluminum Alloy via Cryogenic Process." In Shape Casting. Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-06034-3_25.

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Dong, Anping, Naishun Yan, Jiao Zhang, et al. "Investigation of Thin-Walled IN718 Castings by Counter-Gravity Investment Casting." In Advances in the Science and Engineering of Casting Solidification. John Wiley & Sons, Inc., 2015. http://dx.doi.org/10.1002/9781119093367.ch47.

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Dong, Anping, Naishun Yan, Jiao Zhang, et al. "Investigation of Thin-Walled IN718 Castings by Counter-Gravity Investment Casting." In Advances in the Science and Engineering of Casting Solidification. Springer International Publishing, 2015. http://dx.doi.org/10.1007/978-3-319-48117-3_47.

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Hsu, Fu-Yuan, Shin-Wei Wang, and Huey-Jiuan Lin. "The External and Internal Shrinkages in Aluminum Gravity Castings." In Shape Casting: 5th International Symposium 2014. John Wiley & Sons, Inc., 2014. http://dx.doi.org/10.1002/9781118888100.ch16.

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Hsu, Fu-Yuan, Shin-Wei Wang, and Huey-Jiuan Lin. "The External and Internal Shrinkages in Aluminum Gravity Castings." In Shape Casting: 5th International Symposium 2014. Springer International Publishing, 2014. http://dx.doi.org/10.1007/978-3-319-48130-2_16.

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Conference papers on the topic "Gravity die casting"

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Bakhtiyarov, Sayavur I., Ruel A. Overfelt, and Johnathon Capps. "Cooling Rate Studies in Aluminum Counter Gravity Lost Foam Casting." In ASME 2002 International Mechanical Engineering Congress and Exposition. ASMEDC, 2002. http://dx.doi.org/10.1115/imece2002-33930.

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In this paper we present the results of the experimental study of the liquid metal front dynamics during the gravity pouring and the vacuum assisted counter-gravity lost foam casting techniques. The cooling rates of the castings produced by both techniques are compared.

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GRYC, Karel, Ladislav SOCHA, Jana SVIŽELOVÁ, et al. "Optimization of numerical simulations of gravity casting of ductile iron castings." In METAL 2021. TANGER Ltd., 2021. http://dx.doi.org/10.37904/metal.2021.4094.

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Bakhtiyarov, Sayavur I., and Ruel A. Overfelt. "Measurements of Decomposed EPS Gases Pressure and Molten Metal-Polymeric Foam Interface Velocity During Lost Foam Casting Process: Part 1—Disconnect Casting." In ASME 2000 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2000. http://dx.doi.org/10.1115/imece2000-2711.

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Abstract Process parameters of lost foam casting were studied experimentally on a commercial scale for two casting techniques: conventional and vacuum assisted gravity castings. The paper presents the results of the foundry experiments focused on the time and spatial dependent aspects of mold filling of a commercial pattern (Disconnect). A small-scale commercial model was designed and fabricated to conduct the experiments to study the thermo- and hydrodynamics of the mold filling characteristics. A high sensitivity linear output capacitive sensor was used to record the rate of sand flow and co

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Molnár, Dániel, Csaba Majoros, and László Varga. "Control Volume Simulation of Gravity Die Casting." In MultiScience - XXXI. microCAD International Multidisciplinary Scientific Conference. University of Miskolc, 2017. http://dx.doi.org/10.26649/musci.2017.037.

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Khader, A. M., M. A. Abdelrahman, Charles C. Carnal, and W. A. Deabes. "Modeling and control of a counter-gravity casting machine." In 2008 American Control Conference (ACC '08). IEEE, 2008. http://dx.doi.org/10.1109/acc.2008.4586857.

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Bakhtiyarov, Sayavur I., Ruel A. Overfelt, and Amit Suryawanshi. "Liquid Metal Stream Junction Defects in Aluminum Lost Foam Casting." In ASME 2002 International Mechanical Engineering Congress and Exposition. ASMEDC, 2002. http://dx.doi.org/10.1115/imece2002-39692.

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The purpose of this work is to study fold defects in gravity and counter gravity lost foam casting processes, and to determine the process parameters which will improve the casting properties. The experiments are focused on the time and spatial dependent aspects of mold filling in frame shape styrofoam patterns.

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Chandley, G. Dixon, John A. Redemske, John N. Johnson, Ramesh C. Shah, and Paul H. Mikkola. "Counter-Gravity Casting Process for Making Thinwall Steel Exhaust Manifolds." In SAE International Congress and Exposition. SAE International, 1997. http://dx.doi.org/10.4271/970920.

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Crivellone, G., A. Fuganti, C. Mus, and D. Salinas. "Permanent Mold Gravity Casting Cylinder Block with Hypereutectic Aluminum Liners." In SAE 2001 World Congress. SAE International, 2001. http://dx.doi.org/10.4271/2001-01-0402.

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Christy, John Victor, Abdel-Hamid I. Mourad, and Ramanathan Arunachalam. "Mechanical and Tribological Evaluation of Aluminum Metal Matrix Composite Pipes Fabricated by Gravity and Squeeze Stir Casting." In ASME 2019 Pressure Vessels & Piping Conference. American Society of Mechanical Engineers, 2019. http://dx.doi.org/10.1115/pvp2019-93857.

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Abstract Aluminum metal matrix composites (MMC) find many industrial applications due to its high strength, zero corrosion, light weight and durability. In this work, gravity stir casting and squeeze stir casting were used to produce MMC solid rods of length 21cm. LM25 grade, from scrap alloy wheel of car, was used as matrix and Alumina was added as reinforcements to improve the composite properties. The performed microstructure analysis showed a greater percentage of porosity for gravity casted samples. Brinell hardness tests recorded 61 and 56 for squeeze and gravity stir casting respectivel

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Hren, Iryna, Stefan Michna, and Lenka Michnova. "Dependence of mechanical properties on porosity of AlSi7Mg0.3 alloy during gravity casting." In 18th International Scientific Conference Engineering for Rural Development. Latvia University of Life Sciences and Technologies, 2019. http://dx.doi.org/10.22616/erdev2019.18.n076.

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