ASM Failure Analysis Case Histories
ASM Failure Analysis Case Histories: Buildings, Bridges, and Infrastructure
ASM International
ISBN electronic:
978-1-62708-219-8
Publication date:
2019
Book Chapter
Powerline Tower Arm Failure Analysis
By
Wayne Reitz, Ph.D.
Wayne Reitz, Ph.D.
P.E., Mechanical Engineering
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Published:2019
Abstract
Arms bolted to powerline towers were falling off two weeks after installation. Metallurgical and chemical analysis performed on the base metal, weld zone, and heat-affected zone showed acceptable quality material. Residual stress appeared to be responsible for the high failure rate. The sources of residual stress included welding, environment, and assembly operation.
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Wayne Reitz, Ph.D., 2019. "Powerline Tower Arm Failure Analysis", ASM Failure Analysis Case Histories: Buildings, Bridges, and Infrastructure
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