NUMERICAL-SIMULATION OF PERSISTENT SLIP BAND FORMATION

被引：49

作者：

SCHILLER, C

WALGRAEF, D

机构：

[1] Univ Libre de Bruxelles, Brussels, Belg, Univ Libre de Bruxelles, Brussels, Belg

来源：

ACTA METALLURGICA | 1988年 / 36卷 / 03期

关键词：

METALLOGRAPHY; -; Microstructures;

D O I：

10.1016/0001-6160(88)90089-2

中图分类号：

TF [冶金工业];

学科分类号：

0806 ;

摘要：

The properties of persistent slip bands in metals under fatigue and their formation out of the matrix structure are compared with the numerical simulations of a model based on nonlinear reaction-diffusion equations. The persistent slip band structure results from the competition between the mutual interactions of the dislocations and their movement in the slip direction. Numerical simulations of the model equations reproduce the pattern wavelength, dislocation densities, wall size and growth mechanisms experimentally observed.

引用

页码：563 / 574

页数：12

共 23 条

[11]

Mughrabi H., 1981, CONTINUUM MODELS DIS

[12]

Mughrabi H., 1979, ASTM STP, V675, P69

[13]

MUGHRABI H, 1986, 2 PARAMETER DESCRIPT

[14] STRAIN BURSTS AND COARSE SLIP DURING CYCLIC DEFORMATION OF FCC AND HCP SINGLE CRYSTALS [J].