A one-parameter nonlinear fatigue damage accumulation model

被引：87

作者：

Rege, Kristen ^{[1
]}

Pavlou, Dimitrios G. ^{[1
]}

机构：

[1] Univ Stavanger, Dept Mech & Struct Engn & Mat Sci, POB 8600 Forus, N-4036 Stavanger, Norway

来源：

INTERNATIONAL JOURNAL OF FATIGUE | 2017年 / 98卷

关键词：

Cumulative damage; Variable amplitude fatigue; Damage accumulation; Life prediction; LIFE PREDICTION; CUMULATIVE DAMAGE; SEQUENTIAL LAW; RULE;

D O I：

10.1016/j.ijfatigue.2017.01.039

中图分类号：

TH [机械、仪表工业];

学科分类号：

0802 ;

摘要：

A nonlinear model for fatigue damage accumulation under variable amplitude loading is presented. The known assumption that the isodamage curves are converging at the knee point of the S-N curve of the material, has been adopted. The proposed model does only require one parameter, in addition to the S-N curve of the material, in order to calculate the remaining fatigue life. A single value for the parameter has been found to give satisfying agreement with experimental data for four arbitrary selected steels, indicating a general trend. (C) 2017 Elsevier Ltd. All rights reserved.

引用

页码：234 / 246

页数：13

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