Casting

2013 ◽  
pp. 47-101
Keyword(s):  
Investment Casting ◽  
Die Casting ◽  
Centrifugal Casting ◽  
Sand Casting ◽  
Casting Defects ◽  
Permanent Mold ◽  
Vacuum Melting ◽  
Mold Casting ◽  
Hot Chamber Die Casting ◽  
Metal Processing

Abstract This chapter covers the practices and procedures used for shape casting metals and alloys. It begins with a review of the factors that influence solidification and contribute to the formation of casting defects. It then describes basic melting methods, including induction, cupola, crucible, and vacuum melting, and common casting techniques such as sand casting, plaster and shell casting, evaporative pattern casting, investment casting, permanent mold casting, cold and hot chamber die casting, squeeze casting, semisolid metal processing, and centrifugal casting.

scholarly journals ANALISIS SIFAT FISIK DAN MEKANIK PADUAN ALUMINIUM DENGAN VARIABEL SUHU CETAKAN LOGAM (DIES) 450 DAN 500 DERAJAT CELCIUS UNTUK MANUFAKTUR POROS BERULIR (SCREW)

2018 ◽  
Vol 7 (2) ◽  
Author(s):  
Andika Wisnujati ◽  
Chirtian Sepriansyah
Keyword(s):  
Investment Casting ◽  
Die Casting ◽  
Centrifugal Casting ◽  
Sand Casting

Aluminium merupakan logam ringan yang mempunyai sifat ketahanan korosi dan mampu alir yang baik sehingga banyak digunakan dalam aplikasi alat-alat rumah tangga, otomotif maupun industri saat ini. Piston bekas digunakan untuk mendapatkan unsur Si yang cukup tinggi pada piston. Ilmu pengecoran logam terus berkembang dengan pesat dalam dunia industri. Berbagai macam metode pengecoran telah ditemukan dan disempurnakan, diantaranya centrifugal casting , investment casting, dan sand casting serta masih banyak lagi metode-metode lainnya. Paduan Aluminium akan dicor pada 3 jenis variasi suhu cetakan sehingga dengan perlakuan panas terhadap cetakan logam (dies) yaitu 450oC dan 500oC diharapkan mampu memperbaiki sifat getas yang ada pada aluminium. Temperatur dari variasi pemanasan suhu cetakan logam (die casting) dapat mempengaruhi dari sifat mekanik atau nilai kekuatan tarik dari suatu bahan dalam pembebanan dan sifat fisik atau stukturmikro  pada paduan alumunium hasil peleburan. Pada penelitian ini dilakukan pengujian tarik dimana hasil pengujian maksimun terjadi pada pemanasan suhu cetakan 450˚C yang menghasilkan tegangan tarik maksimun rata-rata sebesar 774,74 N/mm2. Pengujian struktur mikro dengan hasil metalografi diperoleh stuktur mikro silikon austenit yang berbentuk jarum dan silikon primer yang berbentuk partikel kecil yang akan meningkatkan ketahanan aus material.Kata kunci : Aluminium, Cetakan logam (dies), Sifat Mekanik-Fisis, Paduan

Properties and CA4GE-Engine Test of TiAl-Based Alloy Valves by Permanent Mold Casting

2010 ◽  
Vol 139-141 ◽  
pp. 557-560
Author(s):  
Wen Bin Sheng ◽  
Chun Xue Ma ◽  
Wan Li Gu
Keyword(s):  
Tial Alloy ◽  
Centrifugal Casting ◽  
Casting Process ◽  
Vacuum Arc ◽  
Permanent Mold ◽  
Casting Method ◽  
Arc Melting ◽  
Vacuum Arc Melting ◽  
Mold Casting ◽  
Induction Skull Melting

TiAl-based alloy valves were manufactured by combining charges compressed /vacuum arc melting (VA)/ induction skull melting (ISM) procedure with permanent mold centrifugal casting method. Microstructures, compositions and mechanical properties of as-cast and hot isostatical pressed (HIPed) valves are detected. Results show that the permanent mold centrifugal casting process obviously refines the size of grain in TiAl alloy and the tensile strength of as-cast and HIPed valves are 550MPa and 580MPa at 20°C, 370MPa and 470MPa at 815°C, respectively. As-cast specimens show ~0% elongation at 20°C and 1~2% at 815°C, while HIPed ones show an elongation of 1~2% at room temperature and about 10% at 815°C. Furthermore, a 200-hour test was carried out with CA4GE-engine, which demonstrated the possibility of as-cast TiAl alloy valves for the substitution of present steel ones.

Numerical Simulation and Process Optimization of Aluminum Alloy Connecting Rod Based on ProCAST

2013 ◽  
Vol 712-715 ◽  
pp. 549-552
Author(s):  
Hua Feng Lu ◽  
Rong Fa Chen ◽  
Yi Hong Zhao ◽  
Long Wu ◽  
Zhi Long Li ◽  
...  
Keyword(s):  
Aluminum Alloy ◽  
Die Casting ◽  
Casting Process ◽  
Casting Defects ◽  
Permanent Mold ◽  
Connecting Rod ◽  
Technical Requirements ◽  
Simulation Results ◽  
Die Casting Process ◽  
Filling And Solidification

The structural feature and technical indexes of 2A14 aluminum alloy connecting rod was analyzed. The pouring system of gravity die-casting process was initially designed according to the technical requirements. The gravity filling and solidification stages in the permanent mold were simulated by ProCAST. The simulation results show that the casting defects are predicted and the casting process are improved. The most possible section of crack defects are the transition part between the shaft and the connecting rod small or big end.

Influence of technological parameters of permanent mold casting and die casting on creep and strength of Mg alloy AZ91D

1997 ◽  
Vol 234-236 ◽  
pp. 880-883 ◽  
Author(s):  
E.M. Gutman ◽  
Ya. Unigovski ◽  
M. Levkovich ◽  
Z. Koren ◽  
E. Aghion ◽  
...  
Keyword(s):  
Die Casting ◽  
Mg Alloy ◽  
Permanent Mold ◽  
Technological Parameters ◽  
Permanent Mold Casting ◽  
Alloy Az91d ◽  
Mold Casting

ALUMINUM 296.0

Alloy Digest ◽  
1982 ◽  
Vol 31 (11) ◽  
Keyword(s):  
Heat Treatment ◽  
Shear Strength ◽  
Tensile Properties ◽  
Heat Treating ◽  
Age Hardening ◽  
Casting Alloy ◽  
Permanent Mold ◽  
Temperature Performance ◽  
Mold Casting ◽  
Hardening Heat Treatment

Abstract ALUMINUM 296.0 is an aluminum permanent-mold casting alloy that responds to an age-hardening heat treatment. It is recommended for applications that require a combination of high tensile properties and good machinability. Among its many uses are fuel pump bodies, aircraft fittings and seat frames for railway passengers cars. This datasheet provides information on composition, physical properties, hardness, elasticity, tensile properties, and compressive and shear strength as well as fatigue. It also includes information on high temperature performance as well as casting, heat treating, machining, and joining. Filing Code: Al-241. Producer or source: Various aluminum companies. See also Alloy Digest Al-261, October 1985.

ALUMINUM 513.0

Alloy Digest ◽  
1986 ◽  
Vol 35 (2) ◽  
Keyword(s):  
Corrosion Resistance ◽  
Shear Strength ◽  
Thermal Treatment ◽  
Heat Treating ◽  
Casting Alloy ◽  
Permanent Mold ◽  
Food Handling ◽  
Mold Casting ◽  
Plant Equipment ◽  
Strength And Ductility

Abstract ALUMINUM 513.0 is an aluminum-magnesium-zinc permanent-mold casting alloy. It cannot be hardened nor strengthened by any thermal treatment and is characterized by moderate strength and ductility. It is recommended for such applications as chemical-plant equipment, food handling and marine hardware. This datasheet provides information on composition, physical properties, hardness, elasticity, tensile properties, and compressive and shear strength as well as fatigue. It also includes information on corrosion resistance as well as heat treating, machining, and joining. Filing Code: Al-265. Producer or source: Various aluminum companies.

ALUMINUM A356

Alloy Digest ◽  
1969 ◽  
Vol 18 (11) ◽  
Keyword(s):  
Heat Treatment ◽  
Corrosion Resistance ◽  
High Strength ◽  
Heat Treating ◽  
Age Hardening ◽  
Casting Alloy ◽  
Permanent Mold ◽  
Aluminum Company ◽  
Mold Casting ◽  
Hardening Heat Treatment

Abstract Aluminum A356 is a sand and permanent mold casting alloy that responds to an age-hardening heat treatment. It is recommended for aircraft and missile components where high strength and corrosion resistance are required. This datasheet provides information on composition, physical properties, hardness, elasticity, tensile properties, and compressive and shear strength as well as fatigue. It also includes information on heat treating, machining, and joining. Filing Code: Al-192. Producer or source: Aluminum Company of America.

Numerical Simulation of Filling and Solidification in Sand Casting by Procast

2013 ◽  
Vol 791-793 ◽  
pp. 550-553 ◽  
Author(s):  
Dong Dong Han ◽  
Cheng Jun Wang ◽  
Juan Chang ◽  
Lei Chen ◽  
Huai Bei Xie
Keyword(s):  
Numerical Simulation ◽  
Heat Dissipation ◽  
Solidification Process ◽  
Simulation Software ◽  
Sand Casting ◽  
Production Costs ◽  
Raw Material ◽  
Casting Defects ◽  
Three Dimension ◽  
Filling And Solidification

At present, pulley produced in China has been able to meet the demand of domestic and international markets. But there are many problem of the pulley industry in our country, such as too many production enterprises and the low level of export products. And as components of drive system are light weight and raw material price of pulley casting are rising, manufacturing requirements of the pulley are also more and more high. Aiming at the casting defects of pulley that enterprise current product, pulley casting blank model of common material HT250 be made by three-dimension software, numerical simulation of filling and solidification process for pulley sand casting by the casting simulation software Procast, the size and location of the various casting defects were forecasted and analyzed, reflecting the pulley filling and solidification process of the actual situation, due to the thicker pulley rim and less heat dissipation, position of shrinkage is close to the middle of rim [, a method of eliminating defects is proposed to realize sequential solidification, and thus to minimize porosity shrinkage and improve casting performance and reduce casting time and reduce production costs.

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