Mechanical modelling of Zircaloy-4 behavior

被引:0
|
作者
Fandeur, O [1 ]
Limon, R
Pilvin, P
Prioul, C
机构
[1] CEA, Ctr Saclay, DRN, DMT,SEMI,LEMO, F-91191 Gif Sur Yvette, France
[2] Ecole Cent Paris, Lab MSS Mat, UMR CNRS 8579, F-92295 Chatenay Malabry, France
关键词
zirconium alloys; anisotropy; viscoplasticity; polycrystalline model; crystallographic slip;
D O I
暂无
中图分类号
TH [机械、仪表工业];
学科分类号
0802 ;
摘要
The predictive capacity of a phenomenological macroscopic model is limited by the experimental. database used to identify this model. Then, to improve the Zircaloy-4 mechanical behavior description, it should be necessary to introduce new data to better identify the model used. but some results cannot be technically obtained. Nevertheless, knowing the metal plasticity mechanisms, a good mechanical behavior description is possible by introducing a micromechanical approach. The results of such a model can therefore be used to improve the predictive capacity of phenomenological models by adding new informations. By this way. the evolution of the Zircaloy-1 anisotropy upon irradiation has been studied.
引用
收藏
页码:365 / 370
页数:6
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