Multiaxial creep-fatigue Life Prediction Under Variable Amplitude Loading at High Temperature

被引：3

作者：

Wang, Xiao-Wei ^{[1
]}

Shang, De-Guang ^{[1
]}

Guo, Zhen-Kun ^{[1
]}

机构：

[1] Beijing Univ Technol, Coll Mech Engn & Appl Elect Technol, Beijing 100022, Peoples R China

来源：

JOURNAL OF MATERIALS ENGINEERING AND PERFORMANCE | 2019年 / 28卷 / 03期

基金：

中国国家自然科学基金;

关键词：

high temperature; life prediction; multiaxial creep-fatigue; variable amplitude loading; CONTINUUM DAMAGE MECHANICS; CRITICAL PLANE; STEEL; SUPERALLOY; BEHAVIOR; GH4169; MODEL;

D O I：

10.1007/s11665-019-03919-1

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Based on the time-temperature parameter method, a modified von Mises stress is proposed to calculate the multiaxial creep damage at high temperature. By employing the strain-based multiaxial fatigue damage models, the modified von Mises stress is used to predict the creep-fatigue life under variable amplitude multiaxial loading at high temperature. The experimental data of GH4169 superalloy and 304 stainless steel conducted under both constant and variable amplitude loadings at high temperature are used to verify the proposed method, and a good agreement is obtained with the experimental data.

引用

页码：1601 / 1611

页数：11

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