Prediction of non-proportional cyclic hardening and multiaxial fatigue life for FCC and BCC metals under constant amplitude of strain cycling

被引：24
作者：
Paul, Surajit Kumar [1 ,2 ]
机构：
[1] Tata Steel Ltd, R&D, Jamshedpur 831007, Bihar, India
[2] Deakin Univ, Sch Engn, Pigdons Rd, Waurn Ponds, Vic 3217, Australia
来源：
MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING | 2016年 / 656卷
关键词：
Non-proportional cyclic hardening; Multiaxial fatigue life; Plastic strain energy density; Low cycle fatigue; Out-of-phase loading; Strain paths; ENERGY; PARAMETER; MICROSTRUCTURE; PLASTICITY; CRITERIA; PHASE; MODEL;
D O I：
10.1016/j.msea.2016.01.029
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
The fatigue lives are reduced accompanying an additional cyclic hardening under strain controlled non proportional cyclic loading in which principal directions of stress and strain are altered within a cycle. This study predicts non-proportional cyclic hardening and multiaxial fatigue life for several BCC and FCC metals under constant amplitude strain cycling. A novel procedure to determine non-proportional cyclic hardening form uniaxial tensile properties has discussed in this study. Standard plastic strain energy density based fatigue criteria with considering the non-proportional cyclic hardening effect successfully predicts multiaxial fatigue lives. The predictions of non-proportional cyclic hardening and multiaxial fatigue life through models are validated by experimental results of various BCC and FCC metals which are collected from literatures. (C) 2016 Elsevier B.V. All rights reserved.
引用
收藏
页码：111 / 119
页数：9
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