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investment casting

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Series: ASM Handbook
Volume: 2A
Publisher: ASM International
Published: 30 November 2018
DOI: 10.31399/asm.hb.v02a.a0006519
EISBN: 978-1-62708-207-5
... Abstract Investment casting, in which molten metal is poured into hot molds, allows for the production of aluminum parts with extremely thin sections, knife edges and sharp detail. This article describes the various steps in the investment casting process, including patternmaking...
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005255
EISBN: 978-1-62708-187-0
... Abstract This article reviews the pattern materials used in investment casting, which can be loosely grouped into waxes and plastics. The patternmaking process, pattern tooling, and pattern and cluster assembly are described. The article also describes the manufacture of ceramic shell molds...
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Published: 30 November 2018
Fig. 1 Wax molding machine for investment casting. Source: Ref 4 More
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Published: 30 November 2018
Fig. 4 Steps in the shell investment casting process. Source: Ref 5 More
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Published: 30 November 2018
Fig. 5 A well-designed aluminum investment casting, incorporating uniform walls and efficient gating areas. Source: Ref 40 More
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Published: 01 December 1998
Fig. 13 Steps in the investment casting process More
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Published: 01 December 2004
Fig. 21 A 14 k gold investment casting (58.5Au-12.5Ag-24Cu-5Zn) etched for 45 s in a 1:1 mix of 10% potassium cyanide and 10% ammonium persulfate at room temperature. 50× More
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Published: 01 December 2004
Fig. 22 A 14 k gold investment casting (58.5Au-12.5Ag-24Cu-5Zn-0.01Ir) with 0.01% Ir added as a grain refiner. Etched for 45 s in a 1:1 mix of 10% potassium cyanide and 10% ammonium persulfate at room temperature. 100× More
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Published: 01 December 2004
Fig. 36 Microstructure showing pores caused by investment casting. (a) 40× (b) 400× More
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Published: 01 December 2008
Fig. 25 Oil slot was easily cored when part was produced as an investment casting but had to be milled in when part was sand cast. Total savings of 41¢ per casting were realized by changing from sand to investment casting. Dimension given in inches More
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Published: 01 December 2008
Fig. 3 Wax molding machine for investment casting More
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Published: 01 December 2008
Fig. 1 (a) Shell and (b) solid mold investment casting. Source: Ref 1 More
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Published: 01 December 2008
Fig. 2 Steps in the shell investment casting process More
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Published: 01 December 2008
Fig. 4 Linear thermal expansion of some refractories common to investment casting. Source: Ref 60 More
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Published: 01 December 2008
Fig. 8 Schematic showing the Shellvest system for investment casting of small parts. Dimensions given in inches More
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Published: 01 December 2008
Fig. 9 Example of rapid prototyping process with investment casting. (a) Valve body prototype prepared for investment casting manufacturing without hard tooling. (b) Soft tooling for production investment casting mold. (c) Final casting. With rapid tooling, metal casting has developed More
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Published: 01 November 2010
Fig. 37 Flow chart of the investment casting process More
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Published: 31 August 2017
Fig. 16 Steps in the investment casting (lost wax) process. (a) Pattern. (b) Assembly. (c) Investing. (d) Stuccoing. (e) Dewaxing. (f) Firing. (g) Pouring. (h) Knockout. (i) Finishing. (j) Inspection. Source: Ref 53 More
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Published: 01 December 2008
Fig. 26 Oil slot was easily cored when part was produced as an investment casting, but had to be milled in when part was sand cast. Total saving of 41¢ per casting was realized by changing from sand to investment casting. More
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Published: 01 December 2008
Fig. 28 In this steel investment casting, elimination of the round cored hole did away with cold shut defects in the 0.13-in. section, which were caused by the meeting of two metal streams that were too cold to unite properly. More