Life Prediction of Thermo-Mechanical Fatigue for Nickel Based Superalloy IN738LC

Abstract:

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An experimental program has been carried out to address the thermo-mechanical fatigue life of the uncoated IN738LC nickel-base superalloy. High temperature isothermal Fatigue and out-of-phase(OP), in-phase(IP) TMF experiments in strain control were performed on superalloy materials. Temperature interval of 450-850 was applied to thermo-mechanical fatigue tests. The stress-strain response and the life cycle of the material were measured during the test. The plastic strain energy based life pediction models were applied to the stress-strain history effect on the thermo-mechanical fatigue lives.

Info:

Periodical:

Key Engineering Materials (Volumes 326-328)

Edited by:

Soon-Bok Lee and Yun-Jae Kim

Pages:

953-956

DOI:

10.4028/www.scientific.net/KEM.326-328.953

Citation:

J. S. Hyun, G. W. Song, Y. S. Lee, "Life Prediction of Thermo-Mechanical Fatigue for Nickel Based Superalloy IN738LC", Key Engineering Materials, Vols. 326-328, pp. 953-956, 2006

Online since:

December 2006

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Price:

$35.00

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