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low-pressure permanent mold casting

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Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2018
DOI: 10.31399/asm.tb.aceg.t68410215
EISBN: 978-1-62708-280-8
... Abstract This chapter discusses various factors pertinent to the applications of low-pressure permanent mold casting process, namely decorative automotive wheels, critical safety structural components, and chassis components. low-pressure permanent mold castings decorative automotive...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2018
DOI: 10.31399/asm.tb.aceg.t68410091
EISBN: 978-1-62708-280-8
... Abstract This chapter is a collection of tables listing: cast alloy designations of Aluminum Association, along with their general applications; the chemical compositions of the frequently used alloys for gravity permanent molds, low-pressure permanent molds, squeeze castings, and die castings...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2018
DOI: 10.31399/asm.tb.aceg.t68410151
EISBN: 978-1-62708-280-8
... of and pouring systems in GPM. The influences of mold coatings on GPM and low pressure permanent mold castings are described. The chapter also discusses various processes involved in the engineering of core boxes and cooling of GPM for casting integrity and cycle time control. It provides information on some...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2018
DOI: 10.31399/asm.tb.aceg.t68410247
EISBN: 978-1-62708-280-8
... sand casting 354 T6, C 355 T6, and D 357 T6 Fuel tank fittings Semi-permanent mold casting, air set sand casting A 356 T6 Inlet casings Semi-permanent mold casting, air set sand casting C 355 T6 Impellers Investment casting, low pressure permanent mold casting plus 3D print core C 355...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2004
DOI: 10.31399/asm.tb.aacppa.t51140021
EISBN: 978-1-62708-335-5
... derivatives such as squeeze casting, low-pressure permanent mold, vacuum riserless casting, and semisolid forming based on rheocasting/thixocasting principles. 3.2 Casting Process Selection Many factors influence the selection of a casting process for producing a specific part. Process selection...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2018
DOI: 10.31399/asm.tb.aceg.t68410029
EISBN: 978-1-62708-280-8
... also include gravity permanent molding, low-pressure permanent molding, counter pressure, squeeze casting, investment casting, rapid prototype casting, cast forge hybrid, and semisolid metal processes. green sand casting no-bake molding vacuum molding evaporative foam casting gravity...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2018
DOI: 10.31399/asm.tb.aceg.t68410009
EISBN: 978-1-62708-280-8
... on the stress distribution using the FEA. The detailed solidification analysis with production-representative mold, feeders, and gating is very important, especially for gravity permanent and low-pressure permanent mold casting processes. The analysis is done in conjunction with a targeted casting process...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2008
DOI: 10.31399/asm.tb.emea.t52240095
EISBN: 978-1-62708-251-8
... is used with this process, it is referred to as semipermanent mold casting. Another variant of the permanent mold process is low-pressure permanent mold casting. Here, the casting is done inside a pressure vessel, and an inert gas is used to apply 35 to 70 kPa (5 to 10 psi) pressure on the liquid metal...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2013
DOI: 10.31399/asm.tb.mfub.t53740047
EISBN: 978-1-62708-308-9
... Replicast process Wax patterns (investment casting) Ethyl silicate bonded block molds Ethyl silicate bonded ceramic shell molds Colloidal silica bond Plaster bond Counter-gravity low-pressure casting Permanent mold processes Die casting High-pressure die casting Low-pressure die casting Gravity...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2018
DOI: 10.31399/asm.tb.aceg.t68410021
EISBN: 978-1-62708-280-8
... strengths need to be at the low end of the specification. It is likely that they may not meet the minimum elongation requirement of the permanent molded castings. However, the automakers approve the designs or make changes based on the failure mode of the prototypes. It should be emphasized...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2004
DOI: 10.31399/asm.tb.aacppa.9781627083355
EISBN: 978-1-62708-335-5
Image
Published: 01 November 2013
Fig. 26 Schematics of (a) low-pressure and (b) vacuum casting units used with permanent molds. Source: Ref 6 More
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2018
DOI: 10.31399/asm.tb.aceg.9781627082808
EISBN: 978-1-62708-280-8
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2011
DOI: 10.31399/asm.tb.mnm2.t53060085
EISBN: 978-1-62708-261-7
... extraction from the casting, or the cooling rate. High cooling rates encourage columnar solidification, while low thermal gradients encourage equiaxed solidification. Alloys that have a wide spread between the liquidus and the solidus temperatures solidify with a mostly equiaxed grain structure at normal...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2004
DOI: 10.31399/asm.tb.aacppa.t51140299
EISBN: 978-1-62708-335-5
... cation LP low pressure (die casting) ANSI American National Standards Institute M moment ASM Short version of ASM International (formerly the American MMC metal-matrix composite NADCA North American Die Casting Association Society for Metals) NYR notch-yield ratio ASME American Society of Mechanical...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 1995
DOI: 10.31399/asm.tb.sch6.t68200173
EISBN: 978-1-62708-354-6
.... Some advantages of green sand molding: 1. The molding material costs are low. 2. It lends itself readily to high-production automatic molding. 3. Wood or plastic patterns can be used in hand molding, sand slinging, manual jolt or squeeze machine molding. 4. High-pressure molding produces a well...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 1995
DOI: 10.31399/asm.tb.sch6.t68200001
EISBN: 978-1-62708-354-6
...). Steel castings are specified for applications which require weldability, abrasion resistance, high strength, low and high temperature service and corrosion resistance. There are approximately 300 steel foundries in North America. Due to the diversity of market requirements such as size, tolerances...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.omfrc.t53030023
EISBN: 978-1-62708-349-2
.... Vacuum desiccate at low temperature, 40 to 50 °C (105 to 120 °F). The use of a drying oven should be considered for at least 12 hours. Place dry specimens in the mold, and position a strip of loosely woven glass cloth between the flat adjacent surfaces of the sample. This will ensure sufficient...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2022
DOI: 10.31399/asm.tb.isceg.t59320011
EISBN: 978-1-62708-332-4
... in smaller annual volumes (about 10,000 to 15,000 pieces per year). Such volumes need wood tooling that is not expensive. The V process is a viable process that uses unbonded sand for molding. The process has the capability for very low drafts on the vertical surfaces, which is an additional advantage...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 1995
DOI: 10.31399/asm.tb.sch6.t68200437
EISBN: 978-1-62708-354-6
... the core. Core Setting Jig/Gage . . . A device used to help position a core in the mold. Core Shooter A device using low air pressure to fluidize the sand mix which is released quickly in such a way as to force it into a core box. Core Vents . . . 1) Holes made in the core for the escape of gas. 2) A metal...