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gravity casting methods

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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
... casting with molten aluminum fed by gravity, low pressure, vacuum and centrifugal pressure, and squeeze casting. It discusses the major variables that affect the life of permanent molds, including pouring temperature, casting shape, cooling methods, heating cycles, storage, and cleaning. The article...
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
... Abstract Aluminum casting alloys are the most versatile of all common foundry alloys and generally have the highest castability ratings. This article provides an overview of the common methods of aluminum shape casting. These include gravity casting, die casting, sand casting, lost foam casting...
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
...-centered cubic KIc plane-strain fracture toughness CLAS counter-gravity low-pressure air-melted FCAW ux cored arc welding Kt theoretical stress concentration factor FDM nite difference method k distribution coef cient sand casting FEM nite element method kg kilogram CLV counter-gravity low-pressure...
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005260
EISBN: 978-1-62708-187-0
... are explained. The article concludes with a discussion on the factors influencing the surface finish on permanent mold castings. mold coatings dimensional accuracy gravity casting methods permanent mold casting mold design mold temperature surface finish casting design mold life mold temperature...
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
... F AM50A Mg Al5Mn F AM60B Mg Al6Mn F AS21 Mg Al2Si1 F AS31 Mg Al3Si1 F AS41A Mg Al4Si1 F AZ91D Mg Al9Zn1 F MRI 230D Mg Al7Ca2 F MRI 153M Mg Al8Ca1 F Gravity-cast alloys AM100A Mg Al10 T4, T5, T6, T61 (c) AZ63A Mg Al6Zn3 T4, T5, T6 AZ81A Mg...
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005221
EISBN: 978-1-62708-187-0
... features of the system. entrainment defects naturally pressurized filling system gravity-poured castings prepriming techniques filters mold-filling designs FILLING the casting cavity with molten metal can be accomplished in various ways. Filling methods differ among the various casting...
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005228
EISBN: 978-1-62708-187-0
... rapidly during free-fall, or when cast in vertical and horizontal centrifugal machines, where Earth's gravity can be arbitrarily increased for the purposes of casting pipe, pressure vessels, and axisymmetric liners. On the other hand, decreasing the force of gravity, especially for extended times...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003175
EISBN: 978-1-62708-199-3
... in the casting requires that the metal enter the mold cavity in a non-turbulent manner. As this is not possible using gravity pouring methods for most castings, because the head height of sprues accelerates the metal to speeds where turbulent flow takes place, counter-gravity or liquid-level mold filling...
Series: ASM Handbook
Volume: 22B
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.hb.v22b.a0005522
EISBN: 978-1-62708-197-9
... of low-gravity platforms and facilities for solidification processing. It provides a description of dendritic growth studies and electromagnetic levitation. The article concludes with information on the in situ and real-time monitoring of solidification processing. casting metals and 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
..., for conventional sand and gravity die (permanent mold) casting, the requirement effectively dictates bottom-gating into the mold cavity and excludes any other form of gating at any other height. Also excluded are any filling methods that cause waterfall effects in the mold cavity. Avoiding waterfalls dictates...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003171
EISBN: 978-1-62708-199-3
...° to parting line. Arrows indicate the direction of metal flow. Pouring metal down a sprue causes the metal to accelerate due to gravity. The increased velocity caused by this acceleration leads to turbulent flow and the formation of inclusions. One method of avoiding turbulent flow is to use some form...
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005239
EISBN: 978-1-62708-187-0
..., not only the gas but also the surface oxide and solidified pieces in the plunger sleeve are sources of many casting defects. In the case of gravity casting the inlet melt velocity can be complicated. For example, as seen in Fig. 3 , the most accurate simulation would consider the melt flow resulting...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003172
EISBN: 978-1-62708-199-3
... foam casting metallic molds no-bake process permanent mold casting plaster casting sand molds semisolid casting vacuum molding Classification of Molding Methods MOLDING METHODS and materials encompass a wide range of options. Some molding (casting) processes are centuries old, while...
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001273
EISBN: 978-1-62708-170-2
... the use of lead-base alloys for health and hazardous waste disposal reasons. Babbitting of bearing shells can be accomplished by three methods: Static babbitting (hand casting) Centrifugal casting Metal spray babbitting Centrifugal casting and static (gravity) casting are the two...
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
... are produced by hot chamber die casting. Other methods include sand casting, permanent mold casting, plaster casting, spin casting (silicone rubber molds), investment (lost wax) casting, squeeze casting, continuous or semicontinuous casting, and centrifugal casting. Zinc alloy castings have also been produced...
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 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...
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: 2A
Publisher: ASM International
Published: 30 November 2018
DOI: 10.31399/asm.hb.v02a.a0006524
EISBN: 978-1-62708-207-5
... Abstract Aluminum casting alloys are among the most versatile of all common foundry alloys and generally have high castability ratings. This article provides an overview of the common methods of aluminum shape casting. It discusses the designations of aluminum casting alloys categorized...
Book Chapter

Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005243
EISBN: 978-1-62708-187-0
... is influenced by a number of variables that will have a great impact on the final dimensions of a cast part. Some of these variables are common to other casting processes, but many are unique to the molding method. Metal contraction, mold influences, and metal variables are described as follows. Metal...