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high-integrity die casting

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Published: 01 December 2008
Fig. 2 Typical semisolid high-integrity die casting products. Courtesy of NADCA ( Ref 1 ) More
Series: ASM Handbook
Volume: 2B
Publisher: ASM International
Published: 15 June 2019
DOI: 10.31399/asm.hb.v02b.a0006553
EISBN: 978-1-62708-210-5
... Abstract This article summarizes some general alloy groupings by application or major characteristics. The groupings include cast rotor, general-purpose, elevated-temperature, wear-resistant, moderate-strength, high-strength, and high-integrity die casting alloys and cast aluminum alloys...
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005266
EISBN: 978-1-62708-187-0
... alloys can also be die cast. Parts produced by the die casting process are shown in Fig. 1 . The primary categories of the conventional die casting process are the hot chamber process and the cold chamber process. These main process variations have been enhanced in recent years to produce high-integrity...
Image
Published: 30 November 2018
Fig. 28 Fully-automated high pressure die casting cell that includes an integral bulk-melting tower furnace. Recyclable material from the trim press is fed directly back into the furnace, eliminating any possibility of contamination between differing grades of aluminum. Courtesy of CastAlum More
Series: ASM Handbook
Volume: 2A
Publisher: ASM International
Published: 30 November 2018
DOI: 10.31399/asm.hb.v02a.a0006525
EISBN: 978-1-62708-207-5
...-integrity parts. In addition to vacuum technology, the article discusses casting alloys, dies, and cells, and describes some of the benefits of structural die castings. aluminum castings cold-chamber die casting die casting high-integrity die casting high-pressure die casting vacuum die casting...
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005272
EISBN: 978-1-62708-187-0
... of high-integrity die-cast-type components. The key to SSM processing is to generate a semisolid metal slurry that contains a globular primary phase (surrounded by the enriched liquid phase) and exhibits thixotropic behavior. That is, the viscosity of the slurry decreases continuously under shear...
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005276
EISBN: 978-1-62708-187-0
... the injection of molten metal. The term vacuum die casting can mean any reduced pressure in the die cavity below atmospheric pressure. The method is widely used not only in conventional high-pressure die casting but also to some degree in the high-integrity, high-pressure die casting processes. Effective...
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005292
EISBN: 978-1-62708-187-0
... Abstract High-pressure die casting is a fast method for the net shape manufacturing of parts from nonferrous alloys. This article reviews the automation technologies for the different stages or steps of the process. These steps include liquid metal pouring, injection, solidification, die open...
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005261
EISBN: 978-1-62708-187-0
.../pressure riserless casting process for casting aluminum. metal casting furnaces pressure riserless casting casting aluminum low-pressure casting vacuum riserless LOW-PRESSURE METAL CASTING has been used since the 1950s to produce high-volume, high-integrity castings in alloys ranging from...
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005269
EISBN: 978-1-62708-187-0
... aluminum alloys squeeze-casting tensile properties tooling design Squeeze Casting Squeeze casting ( Ref 1 , 2 , 3 , 4 ) is considered a high-integrity process and has emerged as an alternative to conventional casting techniques (gravity permanent mold, low-pressure permanent mold, sand...
Series: ASM Handbook
Volume: 9
Publisher: ASM International
Published: 01 December 2004
DOI: 10.31399/asm.hb.v09.a0003790
EISBN: 978-1-62708-177-1
... including aluminum, magnesium, zinc, titanium, and copper, as well as numerous ferrous alloys. In general, any alloy with a wide freezing range is suitable for use in semisolid metalworking. Most semisolid metalworking processes in use today parallel high-pressure die casting. As such, aluminum...
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005288
EISBN: 978-1-62708-187-0
... with an inert gas, either nitrogen or argon. Most high-grade coppers, brasses, tin bronzes, phosphor bronzes, and aluminum bronzes can be successfully cast in an all-graphite crucible and die assembly ( Ref 1 ). The volume of the crucible is dependent on the application and may vary in capacity from several...
Image
Published: 01 December 2004
Fig. 26 Microstructure of high-pressure die cast AM50A. (a) Near the surface. (b) Near the center of the section. The skin effect can be clearly seen in (a) where a high-integrity layer has formed, characterized by an extremely fine grain size and no porosity. (b) Due to a section thickness More
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003127
EISBN: 978-1-62708-199-3
... thinner than those obtainable by sand or permanent mold casting. High mechanical properties and resistance to fatigue can be developed in die castings without heat treatment because of the fine microstructures produced by the rapid solidification. Alloys most frequently used in die casting differ...
Book Chapter

By Justin Heimsch
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005273
EISBN: 978-1-62708-187-0
... in thixocasting. The article illustrates the differences between a conventional high-pressure die-casting injection profile and the thixocasting injection profile used to produce the same part. thixocasting billet sawing rheological tests high-pressure die-casting injection SEMISOLID METAL CASTING...
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005333
EISBN: 978-1-62708-187-0
... castings. Normally, to obtain a high-quality bright chromium finish on castings, they must be buffed and polished before plating. However, a combination of modern zinc die casting and plating techniques substantially reduces or, in some cases, eliminates the need for mechanical polishing. If a finish...
Series: ASM Handbook
Volume: 2A
Publisher: ASM International
Published: 30 November 2018
DOI: 10.31399/asm.hb.v02a.a0006498
EISBN: 978-1-62708-207-5
... 18. Lu H. , He Y. , Midson S. , Li D. , and Zhu Q. , Solid State Phen. , Vol 256 , 2016 , p 192 – 198 10.4028/www.scientific.net/SSP.256.192 19. NADCA Standards for High Integrity and Structural Die Casting Processes , 6th ed. , publication number 403, North...
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005318
EISBN: 978-1-62708-187-0
... and the need and economics of postprocessing. This article examines how design and materials selection address these diverse requirements of conventional die casting tooling. It focuses on the tooling for high-volume processes where the liquid or semisolid metal is forced into the die with high pressure...
Series: ASM Handbook
Volume: 2A
Publisher: ASM International
Published: 30 November 2018
DOI: 10.31399/asm.hb.v02a.a0006524
EISBN: 978-1-62708-207-5
... casting, is also included. alloying elements aluminum casting alloys high-pressure die casting low-pressure permanent mold casting permanent mold casting green sand casting investment casting castability ALUMINUM CASTINGS have played an integral role in the growth of the aluminum...
Book Chapter

Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005307
EISBN: 978-1-62708-187-0
.... Automation is described further in the article “Automation in High-Pressure Die Casting” in this Volume. Dies Zinc alloys can be cast in single-cavity, multiple-cavity, combination, or unit dies. Dies that are designed to produce zinc alloy castings can seldom be used to produce castings of aluminum...