Misorientations induced by deformation twinning in titanium

被引：79
作者：
Bozzolo, Nathalie [1 ,3 ]
Chan, Lisa [2 ]
Rollett, Anthony D. [2 ]
机构：
[1] Univ Paul Verlaine Metz, CNRS, FRE 3143, LETAM, F-57000 Metz, France
[2] Carnegie Mellon Univ, Dept Mat Sci & Engn, Pittsburgh, PA 15213 USA
[3] MINES ParisTech, CEMEF Ctr Mise Forme Mat, CNRS, UMR 7635, F-06904 Sophia Antipolis, France
来源：
JOURNAL OF APPLIED CRYSTALLOGRAPHY | 2010年 / 43卷
关键词：
MECHANICAL-PROPERTIES; EVOLUTION; MICROSTRUCTURE; BEHAVIOR; TEXTURE; GROWTH; ALLOY; ZR;
D O I：
10.1107/S0021889810008228
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
The misorientations induced by cold-rolling in commercially pure titanium by twinning and multiple twinning were investigated by electron backscatter diffraction. Three main types of twins occur: compressive twins (64.6 degrees < 1 (1) over bar 00 >) which are predominant, followed by tensile twins of type 1 (84.8 degrees [11 (2) over bar0]) and a few of type 2 (35.1 degrees < 1 (1) over bar 00 >). The main multiple twinning configurations are (i) several variants of a given type of twin inside a given grain and (ii) second-generation tensile twins inside primary compressive twins. All possible misorientations resulting from the combination of two out of the three main twinning systems have been calculated and compared with the experimentally observed twin configurations. This facilitated interpretation of the peak found at 41 degrees < 5 (14) over bar3 > in the misorientation distribution as the result of double twinning (tensile twins inside primary compressive twins). (c) 2010 International Union of Crystallography Printed in Singapore - all rights reserved
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收藏
页码：596 / 602
页数：7
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