Numerical Study of the Kinetic Aspects of Fracture of Metal Nanocrystals

被引：7

作者：

Golovnev, I. F. ^{[1
]}

Golovneva, E. I. ^{[1
]}

机构：

[1] Russian Acad Sci, Siberian Branch, Khristianovich Inst Theoret & Appl Mech, Novosibirsk 630090, Russia

来源：

PHYSICAL MESOMECHANICS | 2019年 / 22卷 / 03期

关键词：

molecular dynamics method; metal nanostructures; constant strain rate; fracture; temperature; mesoanalysis; MOLECULAR-DYNAMICS; PLASTIC-DEFORMATION; MESOMECHANICS; SURFACE;

D O I：

10.1134/S1029959919030044

中图分类号：

O3 [力学];

学科分类号：

08 ; 0801 ;

摘要：

This paper deals with the investigation of the temperature effect on the fracture of a metal nanostructure during constant-rate uniaxial deformation. The temperature varied within the range from 0 to 550 K, and the velocity of the movable grip varied from 50 to 500 m/s. It has been demonstrated that the temperature significantly affects both the macrocharacteristics of fracture (fracture site, the number of structural fragments, grip stresses) and the kinetic characteristics (time to maximum grip stresses, fracture time, mass transfer, and necking).

引用

页码：195 / 202

页数：8

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