Failure Analysis and Prevention
Elevated-Temperature Life Assessment for Turbine Components, Piping, and Tubing
This article focuses on the life assessment methods for elevated-temperature failure mechanisms and metallurgical instabilities that reduce life or cause loss of function or operating time of high-temperature components, namely, gas turbine blade, and power plant piping and tubing. The article discusses metallurgical instabilities of steel-based alloys and nickel-base superalloys. It provides information on several life assessment methods, namely, the life fraction rule, parameter-based assessments, the thermal-mechanical fatigue, coating evaluations, hardness testing, microstructural evaluations, the creep cavitation damage assessment, the oxide-scale-based life prediction, and high-temperature crack growth methods.
Daniel J. Benac, V.P. Swaminathan, Ph.D., Elevated-Temperature Life Assessment for Turbine Components, Piping, and Tubing, Failure Analysis and Prevention, Vol 11, Edited By William T. Becker, Roch J. Shipley, ASM International, 2002, p 289–311, https://doi.org/10.31399/asm.hb.v11.a0003517
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