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ASM Handbook

Metalworking: Bulk Forming

Edited by
S.L. Semiatin
S.L. Semiatin
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ASM International
Volume
14A
ISBN electronic:
978-1-62708-185-6
Publication date:
2005
Book Chapter

Workability in Forging[1]

By
S.L. Semiatin
S.L. Semiatin
Air Force Research Laboratory, Materials and Manufacturing Directorate
Search for other works by this author on:
Published:
2005
Publication history
March 09, 2009

Abstract

Workability in forging depends on a variety of material, process-variable, and die-design features. A number of test techniques have been developed for gaging forgeability depending on alloy type, microstructure, die geometry, and process variables. This article summarizes some common workability tests and illustrates their application in practical forging situations. Workability tests for open-die forging of cast structures, hot and cold open-die forging of recrystallized structures, fracture-controlled defect formation, establishing effects of process variables and secondary tensile stresses on forgeability, and flow-localization-controlled failure are some common tests. The workability test used for closed-die forging is also summarized.

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S.L. Semiatin, 2005. "Workability in Forging", Metalworking: Bulk Forming, S.L. Semiatin

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