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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 a Stud From a Boiler Manhole

By
K.G. Wellington
K.G. Wellington
New Zealand Aluminium Smelters
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Published:
1992
Page range:
313 - 314

Abstract

A stud that was part of a man hole cover on an old steam boiler broke when it was dropped. The boiler was more than 100 years old, but still performed satisfactorily when fired up at regular intervals. Chemical analysis showed the steel to be a low-carbon EN2 type. Microstructural examination indicated brittle fracture caused by strain aging. Replacement of all studs on the man hole cover and examination of the boiler steel in other places were recommended.

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K.G. Wellington, 1992. "Failure of a Stud From a Boiler Manhole", Handbook of Case Histories in Failure Analysis, Khlefa A. Esaklul

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