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vacuum die casting

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Published: 30 November 2018
Fig. 12 Die sealing for (high) vacuum die casting, Source: Ref 11 More
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
... Abstract Vacuum high-pressure die casting uses a vacuum pump to evacuate the air and gases from the die casting die cavity and metal delivery system before and during the injection of molten metal. This article describes the conventional die casting, vacuum die casting, and high-pressure die...
Image
Published: 30 November 2018
Fig. 11 Basic element of vacuum die casting More
Image
Published: 01 December 2008
Fig. 1 A vacuum high-pressure die casting system for casting aluminum. Source: Adapted from schematic courtesy of NADCA 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
... Abstract Nearly two-thirds of the aluminum castings made in North America are produced using high-pressure die casting techniques. This article compares and contrasts traditional high-pressure die casting with an improved version that uses a vacuum to pull air out of the die in order to reduce...
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
... castings are shown in Fig. 2 . There are three different types of high-integrity die casting processes: squeeze casting, semisolid casting, and high-vacuum die casting. Fig. 2 Typical semisolid high-integrity die casting products. Courtesy of NADCA ( Ref 1 ) Squeeze Casting Squeeze...
Image
Published: 30 November 2018
method as best (longest bar on top) to lowest (shortest bar on bottom) for each process characteristic. Note: Internal soundness is markedly improved by vacuum die casting beyond that of conventional die casting. Vacuum and conventional die casting have similar ratings for the other process More
Image
Published: 01 December 2008
Fig. 2 The light-colored components of this automobile front suspension system are made of high-vacuum die-cast components. Source: Courtesy of NADCA More
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005187
EISBN: 978-1-62708-187-0
... Outstanding  Vacuum die casting Aluminum 4 … … …  Squeeze casting   Indirect Al and MMCs 4 No Small to medium …   Direct Nonferrous and MMCs 1 No Small to medium …  Semisolid processing   Thixocasting (billet) Aluminum 4 No Small to medium Outstanding...
Series: ASM Handbook
Volume: 2B
Publisher: ASM International
Published: 15 June 2019
DOI: 10.31399/asm.hb.v02b.a0006575
EISBN: 978-1-62708-210-5
... temperature in furnace or in still air. Die castings produced under pore-free (vacuum) die casting procedures may be solution heat treated for maximum strength and ductility without blistering. Other fabrication characteristics: Machinability : Although machinability is considered good...
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
... Abstract This article provides an overview of conventional low-pressure casting and describes types of furnaces, tooling, and cores. It discusses the casting cycle steps, advantages, mechanical properties, and considerations of counterpressure casting. The article describes the vacuum riserless...
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
... presents the advantages and disadvantages of green sand casting, permanent mold casting, semipermanent mold casting, and high-pressure die casting. A discussion on other casting processes, such as investment casting, lost foam, plaster mold casting, pressure casting, centrifugal casting, and semisolid...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003172
EISBN: 978-1-62708-199-3
..., dry sand molds, resin-bonded sand molds, and sodium silicate bonded sand. The article describes the casting processes that use these molds, including the no-bake process, cold box process, hot box process, the CO2 process, lost foam casting process and vacuum molding process. The casting processes...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003420
EISBN: 978-1-62708-195-5
... Abstract Metal-matrix composites (MMCs) are a class of materials with a wide variety of structural, wear, and thermal management applications. This article discusses the primary processing methods used to manufacture discontinuous aluminum MMCs, namely, high-pressure die casting, pressure...
Book Chapter

Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005251
EISBN: 978-1-62708-187-0
... (as in lost-foam casting) or by the use of an applied force (as in vacuum molding and magnetic molding described here). Unbonded (or no-bond) molding processes involve free-flowing mold particles and do not require binders, mulling equipment, or mold additives. This article describes the no-bond methods...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003175
EISBN: 978-1-62708-199-3
... Abstract Aluminum alloys are primarily used for nonferrous castings because of their light weight and corrosion resistance. This article discusses at length the melting and metal treatment, structure control, sand casting, permanent mold casting, and die casting of aluminum alloys. It also...
Series: ASM Handbook
Volume: 2A
Publisher: ASM International
Published: 30 November 2018
DOI: 10.31399/asm.hb.v02a.a0006488
EISBN: 978-1-62708-207-5
... main methods of MMC solidification processing. It describes the MCC casting methods, such as sand and permanent mold casting, centrifugal casting, compocasting, and high-pressure die casting. The article discusses the MMC infiltration processes in terms of pressure infiltration casting and liquid metal...
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005348
EISBN: 978-1-62708-187-0
... G modulus of rigidity; thermal gradient ACI Alloy Casting Institute CVM control volume method Gc concentration gradient ADCI American Die Casting Institute CVN Charpy V-notch (impact test or gal. gallon ADI austempered ductile iron GFN grain neness number AFS American Foundrymen s Society specimen...
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.a0005318
EISBN: 978-1-62708-187-0
... Abstract The designer of die casting tooling must balance the functional requirements of the part being cast with the cost, speed, and quality requirements of the process. In addition, attention must also be paid to the capacity and operating parameters of the casting machines being used...