Variants of Texture Formation by Rolling of Ti-Ni Single Crystals with Shape Memory Properties

被引：2

作者：

Isaenkova, Margarita ^{[1
]}

Perlovich, Yuriy ^{[1
]}

Fesenko, Vladimir ^{[1
]}

Dementyeva, Tatyana ^{[1
]}

Goltcev, Vladimir ^{[1
]}

机构：

[1] Natl Res Nucl Univ, Moscow Engn Phys Inst, Moscow 115409, Russia

来源：

TEXTURES OF MATERIALS, PTS 1 AND 2 | 2012年 / 702-703卷

关键词：

Ti-Ni alloy; single crystal; rolling texture; reorientation; stable orientation; slip system; twinning system; shape memory effect;

D O I：

10.4028/www.scientific.net/MSF.702-703.900

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Single crystals of the alloy Ti-48%Ni-2%Fe, consisting of the phase B2, were rolled at 350 degrees C with deformation degrees up to similar to 80% in 11 different initial orientations. Texture development in single crystals under rolling was analyzed to determine the active mechanisms of their plastic deformation. There are three stable initial orientations, which remain unchanged during rolling of Ti-Ni single crystals: {011}< 011 >, {111}< 011 > and {111}< 112 >. It was shown, that Ti-Ni single crystals deform by means of combined action of slip in systems {011}< 001 > and twinning in systems {114}< 221 > and {118}< 441 >. Variants of rolling texture formation in single crystals are very diverse and depend on their initial orientations and deformation degrees.

引用

页码：900 / 903

页数：4

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