A comparison between the dislocation structure of ball-milled iron and copper as derived from the X-ray diffraction peak profile analyses

被引：6

作者：

Nasab, F. Hosseini ^{[1
]}

Nedjad, S. Hossein ^{[1
]}

Karimi, S. ^{[1
]}

机构：

[1] Sahand Univ Technol, Fac Mat Engn, Tabriz, Iran

来源：

PHYSICS OF METALS AND METALLOGRAPHY | 2013年 / 114卷 / 12期

关键词：

X-ray diffraction; dislocation structure; ball-mill; Williamson-Hall; strain anisotropy; SIZE-DISTRIBUTION; METALS;

D O I：

10.1134/S0031918X13220031

中图分类号：

TF [冶金工业];

学科分类号：

0806 ;

摘要：

X-ray diffraction line profile analyses were used for determination of the dislocation structure of ball-milled copper and iron samples. Plots of integral breadths of the diffraction line profiles in accordance with the classical Williamson-Hall equation clarified stronger strain anisotropy in iron than copper. By the analyses of the integral breadths in accordance with the modified Williamson-Hall equation, the relative fractions of edge and screw dislocations were determined. Prevailing dislocation structure of copper had edge character while those of iron showed mainly screw character.

引用

页码：1069 / 1073

页数：5

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