Modeling the temperature dependence of fatigue strength of metallic materials

被引：13

作者：

He, Yi ^{[1
,2
]}

Li, Weiguo ^{[1
,2
,3
]}

Yang, Mengqing ^{[2
]}

Zhao, Ziyuan ^{[2
]}

Zhang, Xuyao ^{[2
]}

Dong, Pan ^{[2
]}

Zheng, Shifeng ^{[2
]}

Ma, Yanli ^{[2
]}

机构：

[1] Chongqing Univ, State Key Lab Coal Mine Disaster Dynam & Control, Chongqing 400044, Peoples R China

[2] Chongqing Univ, Coll Aerosp Engn, Chongqing 400044, Peoples R China

[3] Chongqing Univ, Key Lab Optoelect Technol & Syst, Minist Educ, Chongqing 400044, Peoples R China

来源：

INTERNATIONAL JOURNAL OF FATIGUE | 2022年 / 161卷

基金：

中国国家自然科学基金;

关键词：

Theoretical prediction models; Temperature-dependent; Fatigue strength; Nondestructive predicting; Quantitative characterization; LOW-CYCLE FATIGUE; YIELD STRENGTH; THEORETICAL PREDICTION; TENSILE-STRENGTH; LIFE PREDICTION; BEHAVIOR; STEEL; MICROSTRUCTURE; DEFORMATION; SIMULATION;

D O I：

10.1016/j.ijfatigue.2022.106896

中图分类号：

TH [机械、仪表工业];

学科分类号：

0802 ;

摘要：

In this study, a temperature-dependent fatigue failure criterion was proposed. A maximum energy density related to the fatigue failure of the material which is comprised of the strain energy and its equivalent heat energy was put forward at different temperatures. Two temperature-dependent fatigue strength models without fitting parameters were developed. The quantitative relationship between temperature, fatigue strength, Young's modulus, and melting point was established by the models. The model predictions were in good agreement with all the available experimental data for 17 metallic materials. A fast and simple non-destructive method for predicting temperature-dependent fatigue strength is realized in this work.

引用

页数：10

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