Low cycle fatigue of metallic materials under uniaxialloading at elevated temperature

被引:14
|
作者
Szusta, J. [1 ]
机构
[1] Bialystok Tech Univ, Fac Mech Engn, 45C Wiejska Str, PL-15351 Bialystok, Poland
关键词
Low-cycle fatigue; Life prediction; Elevated temperature; Damage accumulation model; ENAW; 2024T3; Ti-6Al-4V; RAILWAY BRAKE DISCS; ONLINE ALGORITHM; LIFE ESTIMATION; BEHAVIOR; STEEL; ALLOY; MO;
D O I
10.1016/j.ijfatigue.2018.05.025
中图分类号
TH [机械、仪表工业];
学科分类号
0802 ;
摘要
This paper reviews experimental tests of the fatigue life of metallic materials under uniaxial fatigue loading at elevated temperature. The influence of elevated temperature on the properties of different materials were investigated for monotonic and cyclic loads with high loading amplitude values. Models most commonly used to estimate the fatigue life of materials under these conditions are presented. Based on compiled results of experimental tests, an empirical model of fatigue damage accumulation was developed, making it possible to predict fatigue life under uniaxial, low-cycle loading conditions at elevated temperature. The model's structure was based on fatigue deformation curves obtained by way of experimental tests. The low number of material constants, which can be determined from fatigue tests at ambient temperature, is an advantage of the proposed model. The model was verified experimentally, and compiled test results were used for this purpose.
引用
收藏
页码:272 / 281
页数:10
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