Adiabatic shear banding assisted dynamic failure: Some modeling issues

被引：14
|
作者：
Longere, Patrice [1 ]
机构：
[1] Univ Toulouse, ISAE SUPAERO, Inst Clement Ader, CNRS 5312, 3 Rue Caroline Aigle, F-31400 Toulouse, France
来源：
MECHANICS OF MATERIALS | 2018年 / 116卷
关键词：
Adiabatic shear banding; Constitutive modeling; Finite element; Metals and alloys; GRADIENT LOCALIZATION LIMITERS; LOADED PRENOTCHED PLATES; INELASTIC HEAT FRACTION; PLASTIC-DAMAGE MODEL; STRAIN-RATE; MICROSTRUCTURAL EVOLUTION; ALUMINUM-ALLOY; COMBINED VISCOSITY; STORED ENERGY; IMPACT;
D O I：
10.1016/j.mechmat.2017.03.021
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Adiabatic shear banding (ASB) is a precursor of failure of high strength metals and alloys when submitted to impact and other high strain rate loading. As a mechanism of plastic flow localization triggered by a thermo-mechanical instability in the context of dynamic plasticity, ASB causes a discontinuity of the strain/strain rate field. In the present paper, some models available in literature are assessed regarding their ability to reproduce ASB features and further consequences. Some tracks for further developments in the field are also given. (C) 2017 Elsevier Ltd. All rights reserved.
引用
收藏
页码：49 / 66
页数：18
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