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ASM Failure Analysis Case Histories: Improper Maintenance, Repair, and Operating Conditions
ASM Failure Analysis Case Histories

ASM Failure Analysis Case Histories: Improper Maintenance, Repair, and Operating Conditions

ASM International
DOI:
https://doi.org/10.31399/asm.fach.usage.9781627082365
ISBN electronic:
978-1-62708-236-5
Publication date:
2019
Book Chapter

Failure Analysis of Gas Turbine Engine Fuel Nozzle Heat Shields

By
S.C. Binard
S.C. Binard
United States Department of Defense
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Doi:
https://doi.org/10.31399/asm.fach.usage.c9001508
  • Published:
    2019
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Abstract

New type 321 corrosion-resistant steel heat shields were cracking during welding operations. A failure analysis was performed. The cause was found to be chloride induced stress-corrosion cracking. Packaging was suspected and confirmed to be the cause of the chloride contamination. A contributing factor was the length of time spent in the packaging, 21 years.

Topics
Crack propagation, Chloride stress corrosion cracking, Welding defects, Austenitic stainless steel, Gas turbines, Wrought stainless steel, Residual stress analysis, Fuel nozzles
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Citation

S.C. Binard, Failure Analysis of Gas Turbine Engine Fuel Nozzle Heat Shields, ASM Failure Analysis Case Histories: Improper Maintenance, Repair, and Operating Conditions, ASM International, 2019, https://doi.org/10.31399/asm.fach.usage.c9001508

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