MOLECULAR-DYNAMICS STUDY OF ELASTICITY AND FAILURE OF IDEAL SOLIDS

被引：33

作者：

WANG, ZG ^{[1
]}

LANDMAN, U ^{[1
]}

SELINGER, RLB ^{[1
]}

GELBART, WM ^{[1
]}

机构：

[1] GEORGIA INST TECHNOL,SCH PHYS,ATLANTA,GA 30332

来源：

PHYSICAL REVIEW B | 1991年 / 44卷 / 01期

关键词：

D O I：

10.1103/PhysRevB.44.378

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Results are presented from molecular-dynamics simulations of ideal solids under conditions of constant temperature, pressure, and uniaxial tensile force. We show that the system remains in metastable equilibrium all the way up to a critical value of the applied stress or force, at which point it fails irreversibly via the nucleation of small-scale defects. The critical load (failure strength) is found to decrease strongly with temperature.

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页码：378 / 381

页数：4

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