THROUGH-THICKNESS VARIATIONS OF MICROSTRUCTURE AND TEXTURE IN NICKEL PROCESSED BY ACCUMULATIVE ROLL BONDING

被引：0
|
作者：
Zhang, Y. B. [1 ]
Mishin, O. V. [1 ]
Godfrey, A. [2 ]
Liu, W. [2 ]
Liu, Q. [3 ]
机构：
[1] Tech Univ Denmark, Danish Chinese Ctr Nanomet, Sect Mat Sci & Adv Characterizat, Dept Wind Energy, Riso Campus, DK-4000 Roskilde, Denmark
[2] Tsinghua Univ, Adv Mat Lab, Dept Mat Sci & Engn, Beijing 100084, Peoples R China
[3] Chongqing Univ, Sch Mat Sci & Engn, Chongqing 400030, Peoples R China
来源：
NANOMETALS - STATUS AND PERSPECTIVE | 2012年
关键词：
ULTRA-HIGH STRAINS; ARB PROCESS; DEFORMATION; REFINEMENT; EVOLUTION; STRENGTH; COPPER;
D O I：
暂无
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
Through-thickness variations of the microstructure and texture have been investigated in pure nickel processed by accumulative roll bonding (ARB) to a total von Mises strain of 4.8. Significant differences between the subsurface and interior layers are found both in the fraction of rolling texture components and in the fractions of high and low misorientation regions. Through-thickness gradients of the average boundary spacing and the fraction of high angle boundaries appear less systematic. The observed variations are discussed considering the distribution of strain imposed during ARB.
引用
收藏
页码：417 / 422
页数：6
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