Relaxation of the Residual Defect Structure in Deformed Polycrystals under Ultrasonic Action

被引：16

作者：

Murzaev, R. T. ^{[1
]}

Bachurin, D. V. ^{[1
,2
]}

Nazarov, A. A. ^{[1
,3
]}

机构：

[1] Russian Acad Sci, Inst Met Superplast Problems, Ul Khalturina 39, Ufa 450001, Bashkortostan, Russia

[2] Karlsruhe Inst Technol, Inst Appl Mat, Hermann Helmholtz Pl 1, D-76344 Eggenstein Leopoldshafen, Germany

[3] Bashkir State Univ, Ul Zaki Validi 32, Ufa 450074, Bashkortostan, Russia

来源：

PHYSICS OF METALS AND METALLOGRAPHY | 2017年 / 118卷 / 07期

基金：

俄罗斯科学基金会;

关键词：

disordered dislocation systems; dislocation slip; disclination quadrupole; ultrasound; ultrasonic treatment; JUNCTION DISCLINATIONS; DISLOCATION TRIPOLES; NICKEL; DEFORMATION;

D O I：

10.1134/S0031918X17070079

中图分类号：

TF [冶金工业];

学科分类号：

0806 ;

摘要：

Using numerical computer simulation, the behavior of disordered dislocation systems under the action of monochromatic standing sound wave has been investigated in the grain of the model two-dimensional polycrystal containing nonequilibrium grain boundaries. It has been found that the presence of grain boundaries markedly affects the behavior of dislocations. The relaxation process and changes in the level of internal stresses caused by the rearrangement of the dislocation structure due to the ultrasonic action have been studied.

引用

页码：621 / 629

页数：9

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