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gravity die casting

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Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003508
EISBN: 978-1-62708-180-1
... Abstract This article focuses on the general root causes of failure attributed to the casting process, casting material, and design with examples. The casting processes discussed include gravity die casting, pressure die casting, semisolid casting, squeeze casting, and centrifugal casting. Cast...
Book Chapter

Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005287
EISBN: 978-1-62708-187-0
... low-pressure or gravity-fed permanent mold castings, which are more sound in spite of slower cooling. Pressure die casting came into existence in the early 1820s in response to the expanding need for large volumes of cast print type. Iron or steel dies had been used in casting print type in lead...
Series: ASM Handbook
Volume: 2
Publisher: ASM International
Published: 01 January 1990
DOI: 10.31399/asm.hb.v02.a0001077
EISBN: 978-1-62708-162-7
... pressure die castings, and gravity castings. It details the wrought products of zinc and zinc alloys, including flat-rolled products, wire-drawn products, extruded products, and forged products. The article also describes various properties of zinc alloys, including mechanical, thermal, electrical...
Book Chapter

Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003144
EISBN: 978-1-62708-199-3
...; and in zinc chemicals. The zinc coating applications of hot dip galvanizing, electrogalvanizing, plating, and thermal spray are presented. The use of zinc alloys in both gravity and pressure die castings is discussed as well as the three main types of wrought products: flat-rolled products, wire-drawn...
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
... mold processes as die casting (low-pressure die casting, gravity die casting, high-pressure die casting, etc.). Low-pressure casting is a process where molten metal is introduced to the mold by the application of pressure to a hermetically-sealed metal bath, forcing the molten metal up through...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003172
EISBN: 978-1-62708-199-3
... Plaster bond Counter-gravity low-pressure casting Permanent mold processes Die casting High-pressure die casting Low-pressure die casting Gravity die casting (permanent mold) (a) Centrifugal casting Vertical centrifugal casting Horizontal centrifugal casting Hybrid...
Series: ASM Handbook
Volume: 2A
Publisher: ASM International
Published: 30 November 2018
DOI: 10.31399/asm.hb.v02a.a0006513
EISBN: 978-1-62708-207-5
... ways including and feeding molten metal into the mold under gravity (gravity die casting), using centrifugal force (centrifugal casting), and casting under pressure (low- and high-pressure die casting). Feeding under pressure ensures filling thinner sections, especially with lower melting point alloys...
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005352
EISBN: 978-1-62708-187-0
... to minimize oxide generation and to reduce overall cycle time. Other uses include squeeze casting through the side of a vertical shot sleeve, just above the top of the shot tip, to eliminate dross from top-filling; high-pressure die casting; bottom-fill lost foam; and all kinds of gravity casting. Fig. 7...
Series: ASM Handbook
Volume: 1A
Publisher: ASM International
Published: 31 August 2017
DOI: 10.31399/asm.hb.v01a.a0006297
EISBN: 978-1-62708-179-5
... Abstract Aggregate molding, or sand casting, is the gravity pouring of liquid metal into a mold that is made of a mixture molded against a permanent pattern. This article summarizes the most important materials in the process of sand casting of cast iron, including different types of molding...
Series: ASM Handbook
Volume: 2
Publisher: ASM International
Published: 01 January 1990
DOI: 10.31399/asm.hb.v02.a0001061
EISBN: 978-1-62708-162-7
... such porosity; however, it is difficult if not impossible to eliminate completely, and die castings often are lower in strength than low-pressure or gravity-fed permanent mold castings, which are more sound in spite of slower cooling. Although the physical...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003175
EISBN: 978-1-62708-199-3
... to three types of degradation: DIE CASTING is the process most often used for shaping zinc alloys although gravity casting (sand and permanent mold) is also employed. Some zinc castings have also been produced by the semisolid casting process. MAGNESIUM ALLOY CASTINGS can be produced by nearly all...
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
... process and has emerged as an alternative to conventional casting techniques (gravity permanent mold, low-pressure permanent mold, sand casting) and forging. Squeeze casting builds on conventional (high-pressure, high-velocity) die-casting practices and, in recent years, has been widely used...
Series: ASM Handbook
Volume: 4E
Publisher: ASM International
Published: 01 June 2016
DOI: 10.31399/asm.hb.v04e.a0006254
EISBN: 978-1-62708-169-6
... content Fig. 5 Aging of Mg-8wt%Zn alloy. Source: Ref 5 Fig. 6 Aging of Mg-3%Nd alloys, showing the effect of small zinc addition. Source: Ref 5 Fig. 2 Relationship between yield strength and hardness for various gravity-cast and high-pressure die-cast (HPDC) alloys...
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005277
EISBN: 978-1-62708-187-0
.... Fig. 2 Effect of increasing height on a falling stream of liquid. (a) Oxide film remains intact. (b) Oxide film detaches and accumulates to form a dross ring. (c) Oxide film and air are entrained in the bulk melt. In fact, for conventional sand and gravity die (permanent mold) casting...
Series: ASM Handbook
Volume: 22B
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.hb.v22b.a0005544
EISBN: 978-1-62708-197-9
...://www.infolytica.com/en/products/magnet MAVIS-FLOW MAVIS-FLOW simulates mold filling and solidification of cast alloys. A rapid solidification model is employed to simulate solidification and internal shrinkage defects in sand, investment, gravity die, and high-pressure die castings. The 2000 update added a Navier...
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
... J.L. , Understanding Sludge , Die Cast. Eng. , Nov/Dec 1986 , p 30 – 36 9. Gobrecht J. , Gravity Segregation of Iron, Manganese and Chromium in an Aluminum-Silicon Casting, Part I , Giesserei , Vol 61 ( No. 10 ), 1975 , p 263 – 265 10. Iwahori H. and Yamamoto...
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
...—immersion zinc alloying, remelting, laundering, and holding—can be used to gravity feed a number of die casting machines. In this type of system, cold-charged metal has little, if any, effect on the temperature of the metal in the holding furnace of the die cast machine. The laundering and holding system...
Book Chapter

Series: ASM Handbook
Volume: 14B
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v14b.a0005128
EISBN: 978-1-62708-186-3
... of the tool Number of corners of the part Gravity-drop hammers and power-drop hammers are comparable to a single-action press. However, they can be used to perform the work of a press equipped with double-action dies through the use of rubber pads, beads in the die surfaces, draw rings...
Series: ASM Handbook
Volume: 2A
Publisher: ASM International
Published: 30 November 2018
DOI: 10.31399/asm.hb.v02a.a0006533
EISBN: 978-1-62708-207-5
... gating and feeding systems results in castings free of porosity (due to hydrogen) and inclusions (due to alumina) that are common in sand and gravity die casting, impairing the metallurgical integrity and mechanical properties of the casting. The process also eliminates a number of minor problems...
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
... for use in structural and safety applications previously not considered for conventional high-pressure die castings. Fig. 1 Typical high-pressure die castings. Courtesy of NADCA ( Ref 1 ) The high-pressure die casting production rate is much higher than for gravity or low-pressure...