Grain structure and microtexture in friction stir welded commercial purity titanium

被引：16

作者：

Zhang, Y. ^{[1
]}

Sato, Y. S. ^{[2
]}

Kokawa, H. ^{[2
]}

Park, S. H. C. ^{[3
]}

Hirano, S. ^{[3
]}

机构：

[1] Sha Steel Ltd, Inst Res Iron & Steel, Zhangjiagang City 215625, Jiangsu Prov, Peoples R China

[2] Tohoku Univ, Dept Mat Proc, Grad Sch Engn, Aoba Ku, Sendai, Miyagi 9808579, Japan

[3] Hitachi Ltd, Hitachi Res Lab, Hitachi, Ibaraki 3191292, Japan

来源：

SCIENCE AND TECHNOLOGY OF WELDING AND JOINING | 2010年 / 15卷 / 06期

关键词：

Friction stir welding; Commercial purity titanium; Grain structure; Microtexture; MICROSTRUCTURAL EVOLUTION; TEXTURE; ALUMINUM;

D O I：

10.1179/136217110X12785889549624

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Defect free friction stir welds were produced in commercial purity titanium at rotational speeds between 200 and 400 rev min(-1). Friction stir welding produced a finer grain structure in the stir zone than in the base material. Electron backscattered diffraction examination suggested that the fine grains in the stir zone were formed through both continuous and discontinuous recrystallisation during friction stir welding. A torsion texture was observed in all welds and occupied most parts of the stir zone. Formation of this texture was attributed to the shear deformation along the tool shoulder during the stirring process.

引用

页码：500 / 505

页数：6

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