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固体范性形变与断裂的介观力学物理原理(英文) 被引量:2
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作者 v.e.panin 《金属学报》 SCIE EI CAS CSCD 北大核心 1997年第2期187-197,共11页
本文回顾了建立在物理介视力学基础上的固体范性形变与断裂的研究概况,从物理介现力学角度看,处于载荷下的固体是一个多层次的自治体系.依尺度不变原理,在微观、介观、宏观尺度上的范性流变,本质上是相互关联的.整体介观体积在介... 本文回顾了建立在物理介视力学基础上的固体范性形变与断裂的研究概况,从物理介现力学角度看,处于载荷下的固体是一个多层次的自治体系.依尺度不变原理,在微观、介观、宏观尺度上的范性流变,本质上是相互关联的.整体介观体积在介观尺度上按照“切变加旋转”的方式运动.固体范性形变与断裂可考虑为同样过程的二个阶段. 展开更多
关键词 介观力学 范性形变 断裂 固体
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Possible Phenomena of Stochastic Behaviour of Shear Deformed Aluminum 被引量:1
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作者 S.V.Alekseev S.G +1 位作者 Psakhie v.e.panin 《Journal of Materials Science & Technology》 SCIE EI CAS CSCD 1993年第3期223-225,共3页
The influence of shear deformation on the behaviour of Mg and Zn impurities as well as self-interstitial atoms in Al was studied using molecular dynamics method.The profilies of potential relief were calculated in dir... The influence of shear deformation on the behaviour of Mg and Zn impurities as well as self-interstitial atoms in Al was studied using molecular dynamics method.The profilies of potential relief were calculated in directions of possible migration of interstitials.It was found that under load- ing the location of interstitial atoms may be undefined.It means that the system of determined parti- cles may go into stochastic regime of behaviour. 展开更多
关键词 stochastic behaviour shear deformation molecular dynamics
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