Texture gradient in ECAP silver measured by synchrotron radiation

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NETL

外文摘要：Silver of 3N purity was deformed at room temperature by equal channel angular pressing (ECAP) using three passes of route A。 The global and local texture were investigated by neutron diffraction and high-energy synchrotron radiation， respectively。 The texture is characterized by typical simple shear components of fcc metals which differently deviate from their ideal positions。 Local texture measurements reveal that the intensity and inclination of the texture components with respect to the extrusion direction depend on the distance from the top of the extruded bar and change from pass to pass。 Reasons for the texture gradient are discussed。 The texture of silver is compared with that of copper having a higher stacking fault energy。

外文关键词：

SilverECAPmicrostructuretexturesynchrotron radiation

作者：

W. Skrotzki、N. Scheerbaum、C.-G. Oertel、H.-G. Brokmeier、S. Suwas、L.S. Toth

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作者单位：

Institute of Structural Physics, Division of Metal Physics, Dresden University of Technology, D-01062 Dresden, Germany

会议名称：

Textures of Materials ICOTOM 14 pt.1; Materials Science Forum; vols.495-497

会议地点：

Leuven(BE)

会议母体文献：

International Conference on Textures of Materials(ICOTOM 14) pt.1; 20050711-15; Leuven(BE)

页码：

P.821-826

出版时间：

2005