Fatigue life calculation of metallic materials

被引：4
|
作者：
Walther, F. [1 ]
Eifler, D. [1 ]
机构：
[1] Univ Kaiserslautern, Inst Mat Sci & Engn, POB 3049, D-67653 Kaiserslautern, Germany
来源：
MECHANICAL BEHAVIOR OF MATERIALS X, PTS 1AND 2 | 2007年 / 345-346卷
关键词：
fatigue life calculation; steels and light metal alloys; stress-strain hysteresis curves; temperature and electrical resistance measurements; microstructure;
D O I：
10.4028/www.scientific.net/KEM.345-346.1337
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
In stress-controlled load increase and single step tests besides the plastic strain amplitude the changes of the temperature and the electrical resistance caused by cyclic plastic deformation were measured. Temperature and resistance measurements don't require a defined gage length and can be applied also on components even under service loading to ensure economic and safe operation conditions. On the basis of Morrow and Basquin equations a physically based fatigue life calculation "PHYBAL" was developed. This new short-time procedure allows a rapid and precise calculation of Woehler curves with data of one load increase and two single step tests.
引用
收藏
页码：1337 / +
页数：2
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