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Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2018
DOI: 10.31399/asm.tb.aceg.t68410029
EISBN: 978-1-62708-280-8
... Abstract This chapter discusses the advantages, limitations, and applications of various aluminum casting processes, namely green sand casting process, air set or no-bake molding process, vacuum molding process, evaporative foam casting process, and die casting process. The processes covered...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 September 2011
DOI: 10.31399/asm.tb.cfw.t52860007
EISBN: 978-1-62708-338-6
.... 2.18 High-speed extractor holding the mandrel and using a face plate to push off the part The extracted parts from Fig. 2.19 are then moved to a finishing process area, where the part ends can be sanded, tapered, or cut, depending on the application. Fig. 2.19 High-speed, fully...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2018
DOI: 10.31399/asm.tb.aceg.t68410021
EISBN: 978-1-62708-280-8
... loads. For example, a brake caliper casting produced in green sand showed an SDAS of 40 to 70 μm on the surface and 40 to 90 μm in the center of the bridge section. The maximum pore size was 800 μm on the surface and 500 μm in the center. The typical pore fraction was 3 to 4%. In this case, the sand...
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
... employed molding and casting processes is shown in Table 1 . Table 1 Classification system for foundry processes based on mold type Mold type Process Expendable mold processes/permanent patterns Clay-water bonds (green sand molding) Silica sand Olivine sand Chromite sand Zircon...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2015
DOI: 10.31399/asm.tb.tpmpa.t54480161
EISBN: 978-1-62708-318-8
... melting, electron beam hearth melting, rammed graphite mold casting, sand casting, investment casting, hot isostatic pressing, weld repair, and heat treatment -- along with related equipment, process challenges, and achievable properties and microstructures. It also explains how titanium parts are...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2008
DOI: 10.31399/asm.tb.emea.t52240095
EISBN: 978-1-62708-251-8
... easily worked around the pattern, sufficient green strength, and sufficient permeability to allow gas and steam to escape during casting. Sand cores for molded-in inserts can be made using either heat-cured binder systems or no-bake binder systems. No-bake binder systems are usually preferred since they...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2018
DOI: 10.31399/asm.tb.aceg.t68410247
EISBN: 978-1-62708-280-8
... pressure permanent mold casting plus air set sand casting cores 356 T6, 333 T4/T5 Evaporative foam casting A 319 T4/T5 Pistons Gravity permanent mold casting 336 T4, 390 T5 Transmission cases Die casting A 380, 383, 381 Intake manifolds Green sand casting, air set sand casting, gravity...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2004
DOI: 10.31399/asm.tb.aacppa.t51140021
EISBN: 978-1-62708-335-5
... removed and assembled for pouring, usually backed by unbonded or green sand ( Fig. 3.5 ). Shell mold castings surpass ordinary sand castings in surface finish and dimensional accuracy and cool at slightly higher rates; however, equipment and production costs are higher, and the size and complexity of...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2004
DOI: 10.31399/asm.tb.aacppa.t51140021
EISBN: 978-1-62708-335-5
..., the depth of cure can be controlled to the desired thickness. Cured mold sections are removed and assembled for pouring, usually backed by unbonded or green sand ( Fig. 3.5 ). Shell mold castings surpass ordinary sand castings in surface finish and dimensional accuracy and cool at slightly higher...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2004
DOI: 10.31399/asm.tb.aacppa.9781627083355
EISBN: 978-1-62708-335-5
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2004
DOI: 10.31399/asm.tb.aacppa.t51140039
EISBN: 978-1-62708-335-5
... arm spacing, which influences property development and substantially improves ductility: Casting processes Cooling rate Dendrite arm spacing °F/s °C/s mils μm Plaster, investment       1.80 1 3.94–39.4 100–1000 Green sand, shell     18.0 10 1.97–19.7 50–500 Permanent...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2004
DOI: 10.31399/asm.tb.aacppa.t51140039
EISBN: 978-1-62708-335-5
... arm spacing, which influences property development and substantially improves ductility: Casting processes Cooling rate Dendrite arm spacing °F/s °C/s mils μm Plaster, investment       1.80 1 3.94–39.4 100–1000 Green sand, shell     18.0 10 1.97–19.7 50–500 Permanent...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2011
DOI: 10.31399/asm.tb.mnm2.t53060085
EISBN: 978-1-62708-261-7
... tonnage basis) involve casting with sand molds. Different types of binders are used to bond the sand. The most common method is green sand molding , which involves the use of clay to bond sand in an expendable mold. Other types of sand binders include organic or inorganic resins. Green-sand molds are...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.tb.ems.t53730081
EISBN: 978-1-62708-283-9
... large particles. Fig. 8.12 In a typical hydration reaction, the product separates the reacting chemicals. Here water is separated from the plaster of paris by the gypsum formed. Source: Ref 8.2 Lime plaster is a mixture of calcium hydroxide and sand (or other inert fillers). Lime is made...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 April 2013
DOI: 10.31399/asm.tb.imub.t53720293
EISBN: 978-1-62708-305-8
... process control and pouring methods can eliminate variations in dimensions due to changes in metal composition or feeding methods. Variations in mold rigidity, caused by inadequate compaction with green sand, or the use of cold sand or insufficient curing times with cold setting systems, which cause...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2020
DOI: 10.31399/asm.tb.bpapp.t59290111
EISBN: 978-1-62708-319-5
... Composite PEG-PMMA Binder , Powder Metall. , Vol 41 , 1998 , p 289 – 291 10.1179/pom.1998.41.4.289 • Baklouti S. , Chartier T. , and Baumard J.F. , Mechanical Properties of Dry Pressed Ceramic Green Products: The Effect of the Binder , J. Am. Ceram. Soc. , Vol 80 , 1997 , p...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2007
DOI: 10.31399/asm.tb.pmsspmp.9781627083126
EISBN: 978-1-62708-312-6
Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2021
DOI: 10.31399/asm.tb.tpsfwea.t59300271
EISBN: 978-1-62708-323-2
... sand held by a cement matrix. Cement is made from rocks that were heated in a kiln until the water was driven out and all that is left is a powder. When water (in the proper proportion) is put back into the cement, it hardens to a rocklike condition and holds together the sand and stones that make up...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2008
DOI: 10.31399/asm.tb.emea.t52240509
EISBN: 978-1-62708-251-8
... Composition, wt% ASTM No. UNS No. Al Mn (a) Zn Th Zr Rare earths Other Sand and permanent mold castings AM100A M10100 10.0 0.1 0.3 … … … … AZ63A M11630 6.0 0.15 3.0 … … … … AZ81A M11810 7.6 0.13 0.7 … … … … AZ91C M11914 8.7 0.13 0.7...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2007
DOI: 10.31399/asm.tb.htcma.t52080409
EISBN: 978-1-62708-304-1
... Corrosion in Energy Systems , Rothman M.F. , Ed., The Metallurgical Society of AIME , 1985 , p 627 10. Susskind H. , Hill F.B. , Green L. , Kalish S. , Kukacka L. , McNulty W.E. , and Wirsing E. , Chem. Eng. Prog. , Vol 56 ( No. 3 ), 1960 , p 57...