Non-isothermal cyclic fatigue in an oscillating elastoplastic beam with phase transition

被引：3
|
作者：
Kopfova, Jana [1 ]
Sander, Petr [1 ,2 ]
机构：
[1] Silesian Univ, Math Inst, Opava 74601, Czech Republic
[2] Acad Sci Czech Republic, Math Inst, CZ-11567 Prague 1, Czech Republic
来源：
PHYSICA B-CONDENSED MATTER | 2014年 / 435卷
关键词：
Hysteresis; Prandtl-Ishlinskii operator; Plasticity; Fatigue; Phase transitions;
D O I：
10.1016/j.physb.2013.09.037
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
We propose a temperature dependent model for material fatigue accumulation, including phase transition in an oscillating elastoplastic beam. The full system of equations consists of the momentum and energy balance equations, equation for the phase transition, and an evolution equation for the Fatigue rate. The Fatigue rate is supposed to be proportional to the dissipation rate. Due to the phase transition, Fatigue rate can also decrease but only in the case of strong melting. (c) 2013 Elsevier B.V. All rights reserved.
引用
收藏
页码：31 / 33
页数：3
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