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green sand casting

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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
... processes Criteria Process Green sand Bonded sand Lost foam Core package Investment casting Semipermanent mold Permanent mold (a) Low-pressure permanent mold High-pressure die casting Vacuum high-pressure die casting Squeeze casting Semisolid casting Maximum weight standard part...
Book Chapter

Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005299
EISBN: 978-1-62708-187-0
...Abstract Abstract Sand mold and permanent mold casting are the major methods for shape casting of steels, with production closely split among green sand, chemically bonded sand, and permanent mold processes. This article describes key aspects of the steel casting process, including steel...
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005252
EISBN: 978-1-62708-187-0
... between shell molding and green sand molding. casting dimensional accuracy green sand molding shell molding tensile strength mold cracking soft molds peelback mold shift shell coremaking sand reclamation resin-sand properties mold defects mold patterns THE SHELL PROCESS was first...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003172
EISBN: 978-1-62708-199-3
..., and unbonded sand molds. Bonded sand molds include green sand molds, 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...
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
...Factors affecting selection of casting process for aluminum alloys Table 7 Factors affecting selection of casting process for aluminum alloys Factor Casting process Sand casting Permanent mold casting Die casting Cost of equipment Lowest cost if only a few items required Less...
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005334
EISBN: 978-1-62708-187-0
... Process Grain Refinement Alloying Melt Treatments Gas Content and Grain Size Foundry Control Procedures Pouring Methods Pouring Pressure Sand Casting Safety Precautions Molding Sands Advantages and tages of Green Sand Molding Coremaking Procedures Shrinkage...
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
... 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 aggregates, clays, water, and additives in green sand, chemically bonded organic resins, and inorganic binders in self-setting, thermosetting...
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005242
EISBN: 978-1-62708-187-0
... for expendable molds, namely, ceramic shells and rammed graphite, for casting reactive metals such as titanium or zirconium. ceramic shells coremaking green sand operations titanium zirconium clay resin-bonded sand systems no-bake binder systems heat-cured binder systems cold box binder systems...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003127
EISBN: 978-1-62708-199-3
..., green and dry-sand, investment, and plaster casting. This article describes factors affecting the selection of casting process and the general designation system for aluminum alloys. It provides useful information on mechanical test methods, selection of proper test specimens for accurate test methods...
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
... of several casting methods Table 2 Comparison of several casting methods Approximate and depending on the metal Parameter Green sand casting Permanent mold cast Die casting CO 2 -core casting Investment casting Relative cost in quantity Low Low Lowest Medium-high Highest Relative...
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
... in. Green sand 0.1–0.5 0.2–0.9 0.05–0.5 0.002–0.02 175 Dry sand 0.05–0.2 0.1–0.35 0.1–1.0 0.004–0.04 … Permanent mold 0.3–1.0 0.5–2.0 0.03–0.07 0.001–0.003 47 Die casting 0.5–2.0 0.9–3.6 0.03–0.07 0.001–0.003 <10 Source: Ref 2 Capabilities of casting processes...
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005254
EISBN: 978-1-62708-187-0
... Pouring Process Technique Processing Parameters Advantages of Lost Foam Casting Casting Quality THE LOST FOAM CASTING PROCESS originated in 1958 when H.F. Shroyer was granted a patent for the cavityless casting method using a polystyrene foam pattern embedded in traditional green sand...
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0009021
EISBN: 978-1-62708-187-0
... austenitic stainless steel. One section of the casting required two revisions in wall thickness to bring rejection rate to an acceptable level. Rejections were 50% with 0.060-in. wall, 25% with 0.075-in., and 5% with 0.090-in. Fig. 5 Eight stiffening ribs in this alloy steel green sand casting were...
Series: ASM Handbook
Volume: 2A
Publisher: ASM International
Published: 30 November 2018
DOI: 10.31399/asm.hb.v02a.a0006508
EISBN: 978-1-62708-207-5
... of the pattern. Early use of the process was limited to one-of-a-kind rough castings because the foam material used was coarse and hand fabricated and because the packed green sand mold would not allow the gases from the decomposing foam pattern to escape rapidly from the mold (the trapped gases usually resulted...
Series: ASM Handbook
Volume: 1A
Publisher: ASM International
Published: 31 August 2017
DOI: 10.31399/asm.hb.v01a.a0006318
EISBN: 978-1-62708-179-5
...: Pinhole formation is common in green sand castings, particularly at low carbon equivalent and thin-section castings; irons with less than 0.01% Al are difficult to inoculate. Control practices: Nonspheroidal graphite formation can be mitigated with balanced cerium/RE additions. Type: trace...
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
..., which can produce better surface finishes and casting dimensional tolerances. The disadvantages include: If the mold is not properly compacted, the dimensional accuracy of the casting can be impaired, and the surface finish may be poor. High-pressure green sand molding requires metal...
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005332
EISBN: 978-1-62708-187-0
... level in high-copper alloys, followed by the addition of other costlier elements, such as boron, to eliminate the last traces of oxygen. Phosphorus is added to red brasses to reduce oxygen levels, but residual levels are limited to 0.02% when the metal is to be cast in green sand because of potential...
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005259
EISBN: 978-1-62708-187-0
... Speed Curves Pouring Techniques Extraction of Castings When sand molds are used, particularly green sand, it is usually necessary to begin pouring the molten metal at a slow mold-spinning speed. When the mold is partially or wholly poured, the spinning speed is increased to that required...
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005241
EISBN: 978-1-62708-187-0
... molding of sand; plaster-mold casting; ceramic-mold casting; rammed graphite molding; and magnetic (no-bond) molding of ferrous shot. The article tabulates a general comparison of casting methods and discusses the basic requirements of foundry molds. References References 1. Steel Casting...
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
... molding plastic film SAND MOLDING PROCESSES are classified according to the way in which the sand is held (bonded). Most sand casting employs green sand molds, which are made of sand, clay, and additives. Binders are also used to strengthen the cores, which are the most fragile part of a mold...