Multiaxial Fatigue Life Prediction Based on Nonlinear Continuum Damage Mechanics and Critical Plane Method

被引：14
|
作者：
Wu, Z. R. [1 ]
Li, X. [1 ]
Fang, L. [1 ]
Song, Y. D. [2 ]
机构：
[1] Nanjing Univ Aeronaut & Astronaut, State Key Lab Mech & Control Mech Struct, Nanjing, Jiangsu, Peoples R China
[2] Nanjing Univ Aeronaut & Astronaut, Coll Energy & Power Engn, Nanjing 210016, Jiangsu, Peoples R China
来源：
JOURNAL OF MATERIALS ENGINEERING AND PERFORMANCE | 2018年 / 27卷 / 06期
关键词：
critical plane approach; damage mechanics; GH4169; life prediction; multiaxial fatigue; CYCLE FATIGUE;
D O I：
10.1007/s11665-017-3045-4
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
A new multiaxial fatigue life prediction model has been proposed in this paper. The concepts of nonlinear continuum damage mechanics and critical plane criteria were incorporated in the proposed model. The shear strain-based damage control parameter was chosen to account for multiaxial fatigue damage under constant amplitude loading. Fatigue tests were conducted on nickel-based superalloy GH4169 tubular specimens at the temperature of 400 A degrees C under proportional and nonproportional loading. The proposed method was checked against the multiaxial fatigue test data of GH4169. Most of prediction results are within a factor of two scatter band of the test results.
引用
收藏
页码：3144 / 3152
页数：9
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