SYMPOSIA PAPER Published: 01 January 1986
STP19340S

Analysis of Two Metal-Forming Die Failures

Source

This case study presents the application of fracture mechanics to analyze the failures of two dies. One is the failure of a die used to swage fittings onto wire ropes. This failure is traced to very high stresses in the die cavity and relatively low fracture toughness; fatigue plays no role. In the second die, the failure is caused by the growth of a crack from the die cavity and is solely a fatigue problem. This die is used to mold gears in a powder metallurgy process.

Author Information

Rich, TP
Bucknell University, Lewisburg, PA
Orbison, JG
Bucknell University, Lewisburg, PA
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Details
Developed by Committee: E08
Pages: 311–335
DOI: 10.1520/STP19340S
ISBN-EB: 978-0-8031-4983-0
ISBN-13: 978-0-8031-0485-3