文献类型：期刊文献

英文题名：A generalized strain energy density exhaustion model allowing for compressive hold effect

作者：Wang, Run-Zi[1];Zhu, Xu-Min[1];Zhang, Xian-Cheng[1];Tu, Shan-Tung[1];Gong, Jian-Guo[1];Zhang, Cheng-Cheng[2]

机构：[1]East China Univ Sci & Technol, Sch Mech & Power Engn, Minist Educ, Key Lab Pressure Syst & Safety, Meilong Rd 130, Shanghai 200237, Peoples R China;[2]ACEE Commercial Aircraft Engine Co LTD, Shanghai Engn Res Ctr Commercial Aircraft Engine, Shanghai 201108, Peoples R China

年份：2017

卷号：104

起止页码：61

外文期刊名：INTERNATIONAL JOURNAL OF FATIGUE

收录：;EI(收录号：20172903963307);WOS:【SCI-EXPANDED(收录号:WOS:000411421600006)】；

基金：The authors would like to acknowledge gratefully for the financial support through National Natural Science Foundations of China (51371082, 51322510) and the 111 project. The author X. C. Zhang is also grateful for the support by Shanghai Pujiang Program, Shanghai Technology Innovation Program of SHEITC (CXY-2015-001), and Fok Ying Tung Education Foundation.

语种：英文

外文关键词：Life prediction; Strain energy density exhaustion; Damage; Oxidation; Interaction diagram

摘要：The aim of the present work is to propose a generalized strain energy density exhaustion model to predict the creep-fatigue lives. The oxidation damage, which is described by a correction factor representing the non-linear oxidation damage mechanism, is considered in the proposed model. All the 77 experimental data sets of GH4169 superalloy at 650 degrees C, Inconel 738 superalloy at 850 degrees C and P91 steel at 550 degrees C in both tension-hold-only and compression-hold-only tests are used to validate the prediction capabilities of the model. The fatigue, creep and oxidation damages per cycle are separately calculated. Then a three-dimensional damage interaction diagram combined with a suitable enveloping surface is proposed. (C) 2017 Elsevier Ltd. All rights reserved.