Fatigue behaviour of selected materials under multiaxial asynchronous loadings

被引：0

作者：

Pejkowski, Lukasz ^{[1
]}

Skibicki, Dariusz ^{[1
]}

Seyda, Jan ^{[1
]}

机构：

[1] UTP Univ Sci & Technol Bydgoszcz, Kaliskiego 7, PL-85796 Bydgoszcz, Poland

来源：

ICMFF12 - 12TH INTERNATIONAL CONFERENCE ON MULTIAXIAL FATIGUE AND FRACTURE | 2019年 / 300卷

关键词：

D O I：

10.1051/matecconf/201930015006

中图分类号：

TH [机械、仪表工业];

学科分类号：

0802 ;

摘要：

Four types of materials: PA38 aluminium alloy, E235 steel, E355 steel and 1.4301 austenitic steel were subjected to low-cycle multiaxial loadings. All tests were strain-controlled and typical, thin-walled, hollow specimens were used. Various synchronous and asynchronous loadings were applied. The analysis of experimental results involved: cyclic stress-strain response, fatigue life and observation of microcracks behaviour on the surfaces of fatigued specimens. Obtained results indicate that the difference in the strain components frequency of the asynchronous loadings has a significant influence on the fatigue behaviour of the materials.

引用

页数：9

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