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Creep-Fatigue Life Evaluation for Materials Subjected to Nonproportionally Combined Tension and Torsion

โœ Scribed by Katsuyuki Tokimasa

Publisher
Elsevier
Year
2011
Tongue
English
Weight
378 KB
Volume
10
Category
Article
ISSN
1877-7058

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โœฆ Synopsis

The author and his colleagues have proposed in their recent works the creep-fatigue life prediction method based on the strain range partitioning concept for nonproportionally combined tension and torsion using new inelastic strain range parameters and have been studying their applicability to the materials subjected to nonproportional axialtorsional loading at elevated temperatures. In the present paper are summarized the results of in-phase and 90 deg out-of-phase axial-torsional straining tests conducted on thin-walled tubular specimens of SUS304, 316LC and 2.25Cr-1Mo steels.

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A new multiaxial fatigue damage model fo
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โœ Jing Li; Zhong-ping Zhang; Qiang Sun; Chun-wang Li; Yan-jiang Qiao ๐Ÿ“‚ Article ๐Ÿ“… 2009 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 237 KB

## a b s t r a c t Based on the critical plane approach, a new damage parameter for multiaxial fatigue damage is presented. Both components of strain and stress are considered in this parameter. Thus, a new multiaxial fatigue damage model is given based on the critical plane approach. The capabili