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Book Chapter

By Rajiv Shivpuri
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0003975
EISBN: 978-1-62708-185-6
... Abstract This article addresses dies and die materials used for hot forging in vertical presses, hammers, and horizontal forging machines (upsetters). It reviews the properties of die materials for hot forging, including good hardenability, resistance to wear, plastic deformation, thermal...
Book Chapter

By J. Richard Douglas
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0003986
EISBN: 978-1-62708-185-6
... factors that impact the precision forging process. It provides information on the achievable tolerances and presents examples of precision forging. A discussion on forging of bevel gears/spiral bevel gears is also presented. axle shafts bevel gears precision flashless forging precision hot...
Book Chapter

By J. Richard Douglas
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0003980
EISBN: 978-1-62708-185-6
... Abstract This article discusses the operation of upset forging machines and selection of the machine size. It describes several types of upsetter heading tools and their materials. The article reviews the cold shearing and hot shearing methods for preparing blanks for hot upset forging...
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Published: 01 January 2005
Fig. 18 Effect of hot forging on impact properties of an alloy steel. With increasing hot working, the properties in the elongation direction improve by a factor of four (longitudinal curve), while in the transverse direction (perpendicular to the fiber direction), they improve by a factor More
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Published: 01 January 2005
Fig. 1 Relationships between process and machine variables in hot-forging processes conducted in presses More
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Published: 01 January 2005
Fig. 5 Hot forging top blocker punch made from H13. Source: Ref 3 More
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Published: 01 January 2005
Fig. 7 Examples of hot forging die surfaces plastically deformed. Source: Ref 3 More
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Published: 01 January 2005
Fig. 42 Hot forging of a bevel gear from a round billet to the final shape More
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Published: 01 January 2005
Fig. 4 Deformation patterns in nonlubricated, non-isothermal hot forging. (a) Initial barreling. (b) Barreling and folding over. (c) Beginning of end face expansion. Source: 5 More
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Published: 01 November 2010
Fig. 42 Hot forging of a bevel gear from a round billet to the final shape More
Book Chapter

By Howard A. Kuhn
Series: ASM Handbook
Volume: 7
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v07.a0006080
EISBN: 978-1-62708-175-7
... Abstract Successful application of forging and hot pressing involves careful consideration of powder preparation and forming process parameters. This article describes the important process features for powder forging and hot pressing, along with specific applications and materials used...
Book Chapter

By R.E. Montero, L.G. Housefield, R.S. Mace
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0003985
EISBN: 978-1-62708-185-6
... Abstract Hot-die forging and isothermal forging are unique forging methods developed to forge materials that are difficult or impossible to forge by conventional means. This article presents a comparative study on hot-die forging and isothermal forging. It discusses forging parameters, process...
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Published: 01 January 2005
Fig. 5 Comparison of (a) conventionally forged and (b) rotary hot forged carbon steel clutch hubs. Billet weight: 0.63 kg (1.39 lb) for conventional forging, 0.44 kg (0.97 lb) for rotary forging More
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Published: 01 January 2005
Fig. 11 Effects of forging variables on the workability of porous preforms in hot forging. Source: Ref 58 More
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Published: 30 September 2015
Fig. 11 Effects of forging variables on the workability of porous preforms in hot forging. Source: Ref 64 More
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Published: 01 January 1990
Fig. 4 Transformation diagram for vacuum-melted and hot-forged Inconel 718 bar. Source: Ref 8 More
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Published: 01 January 1989
Fig. 1 Hot forged P/M connecting rod that was double-disk ground. Machinability was the key factor in adopting this part making process. Courtesy of P.K. Johnson, Metal Powder Industries Federation More
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Published: 01 June 2016
Fig. 10 Transformation diagram for vacuum-melted and hot-forged Inconel 718 bar. Source: Ref 12 More
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Published: 01 June 2016
Fig. 20 Transformation diagram for vacuum-melted and hot-forged Inconel 718 bar. Source: Ref 12 More
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Published: 01 October 2014
Fig. 2 Comparison of thermal energy consumption of hot forge processes. Source: Ref 6 More