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ASM Failure Analysis Case Histories

Handbook of Case Histories in Failure Analysis

Edited by
Khlefa A. Esaklul
Khlefa A. Esaklul
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ASM International
Volume
1
ISBN electronic:
978-1-62708-214-3
Publication date:
1992
Book Chapter

Failure of an ASTM A681-89 H13 Die Segment for Die Casting of Aluminum

By
George Goodrich
George Goodrich
Taussig Associates, Inc.
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;
Ilya Divinsky
Ilya Divinsky
Taussig Associates, Inc.
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Published:
1992
Page range:
410 - 412

Abstract

A segment from a premium-quality H13 tool steel die for die casting of aluminum failed after only 700 shots. The segment was subjected to visual, macroscopic, hardness, and metallographic testing. The investigation revealed that failure occurred as a result of fatigue at an electrical-discharge-machined surface where the resulting rehardened layer had not been removed. This rehardened layer had cracked, providing a source for fatigue initiation.

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George Goodrich, Ilya Divinsky, 1992. "Failure of an ASTM A681-89 H13 Die Segment for Die Casting of Aluminum", Handbook of Case Histories in Failure Analysis, Khlefa A. Esaklul

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