Life Estimation of SUS304 Steel Subjected to Nonproportionally Combined Push-Pull and Cyclic Torsion at 973K

Katsuyuki Tokimasa

doi:10.4028/www.scientific.net/KEM.345-346.323

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Life Estimation of SUS304 Steel Subjected to Nonproportionally Combined Push-Pull and Cyclic Torsion at 973K

Abstract:

The present paper summarizes the fully reversed strain-controlled creep-fatigue tests conducted on thin-walled tubular specimens of SUS304 austenitic stainless steel at 973K in air under push-pull, cyclic torsion, in-phase straining and 90deg out-of-phase straining of push-pull and cyclic torsion. It is shown that, as the results of analysis of the experimental data by the strain-range partitioning methodand the critical plane model parameter, a new inelastic-strain based parameter was proposed for life estimation of SUS304 subject to nonproportionally combined push-pull and cyclic torsion by the strain-range partitioning method.

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Periodical:

Key Engineering Materials (Volumes 345-346)

Pages:

323-326

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.345-346.323

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Online since:

August 2007

Authors:

Katsuyuki Tokimasa

Keywords:

Creep Fatigue, Critical Plane Model, Life Prediction, Multiaxial, Nonproportional Loading, Strain-Range Partitioning Method

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References

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