The heat dissipation at fatigue crack tip under mix mode loading

被引：1
|
作者：
Plekhov, O. [1 ]
Vshivkov, A. [1 ]
Iziumova, A. [1 ]
Zakharov, A. [2 ]
Shlyannikov, V. [2 ]
机构：
[1] Russian Acad Sci, Ural Branch, Inst Continuous Media Mech, Ac Koroleva St 1, Perm 614013, Russia
[2] Russian Acad Sci, Kazan Sci Ctr, Lobachevskogo Str 2-31, Kazan 420111, Russia
来源：
ECF22 - LOADING AND ENVIRONMENTAL EFFECTS ON STRUCTURAL INTEGRITY | 2018年 / 13卷
基金：
俄罗斯基础研究基金会;
关键词：
energy dissipation; crack propagation; infrared thermography; mix mode loading; ENERGY; DEFORMATION;
D O I：
10.1016/j.prostr.2018.12.249
中图分类号：
TH [机械、仪表工业];
学科分类号：
0802 ;
摘要：
The cruciform plane specimens of titanium alloy VT1-0 with a thick of 1 mm were tested to study temperature evolution under fatigue crack propagation. The original contact sensor of heat flow and method of infrared thermography were used to analyze the dissipated energy from crack tip during fatigue tests. A series of experiments was carried out to study the propagation of a fatigue crack under biaxial loading with different biaxial coefficient. It has been shown that heat dissipation caused by fatigue crack propagation under Paris regime can be divided into two stages both under uniaxial and biaxial loading conditions. (C) 2018 The Authors. Published by Elsevier B.V.
引用
收藏
页码：1209 / 1214
页数：6
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