Two-Scale Finite Element Modelling of Microstructures

被引：0
|
作者：
Brocks, Wolfgang [1 ]
Cornec, Alfred [1 ]
Steglich, D. [1 ]
机构：
[1] GKSS Forschungszentrum Geesthacht GmbH, Inst Mat Res, Geesthacht, Germany
来源：
1ST INTERNATIONAL CONFERENCE ON NEW MATERIALS FOR EXTREME ENVIRONMENTS | 2009年 / 59卷
关键词：
multiscale modelling; micromechanical modelling; crystal plasticity; slip systems; twinning; hcp metals; magnesium; titanium aluminides; POLYSYNTHETICALLY TWINNED CRYSTALS; MAGNESIUM ALLOY; PLASTIC-DEFORMATION; DUCTILE RUPTURE; LAMELLAR STRUCTURE; FRACTURE-BEHAVIOR; PST CRYSTALS; STRAIN; DAMAGE; SLIP;
D O I：
10.4028/www.scientific.net/AMR.59.3
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Modelling the constitutive behaviour of metallic materials based on their microstructural features and the micromechanical mechanisms in the framework of continuum mechanics is addressed. Deformation at the lengthscale of grains is described by crystal plasticity. The macroscopic behaviour is obtained either by a homogenisation process yielding phenomenological equations or by a submodel technique. The modelling processes for two light-weight materials, namely magnesium and titanium aluminides are presented.
引用
收藏
页码：3 / 17
页数：15
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