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	Investigation of local texture correlations in Bi-2223 high temperature superconductor tapes
	Godfrey, A ; Liu, W ; Lin, D ; Liu, Q
	2010-05-10 ; 2010-05-10
会议名称	ICOTOM 14: TEXTURES OF MATERIALS, PTS 1AND 2 ; 14th International Conference on Textures of Materials ; Leuven, BELGIUM ; Web of Science ; INSPEC
关键词	EBSP/EBSD high temperature superconductor connectivity DIFFRACTION BOUNDARIES BICRYSTALS (BI Materials Science, Multidisciplinary
中文摘要	In this paper we report a study using fully automated EBSP orientation measurements on the texture and microstructure of fully processed Bi-2223 tapes produced by the powder-in-tube method. For the automated analysis a new unit cell describing the quasi-tetragonal Bi-2223 phase has been developed. The texture data confirm that a strong fibre texture is produced during processing, with the c-axis of the Bi2223 plates parallel to the tape normal direction. Quantitative analysis suggests that the orientation density along the fibre texture is close to random. In contrast the distribution of misorientations shows significant correlations between the orientations, and is skewed towards low misorientation angles. A more detailed investigation reveals that the structure consists of colonies of plates, with low angle misorientations within each colony. Analysis of the rotation axes shows some differences as a function of misorientation angle.
会议录出版者	TRANS TECH PUBLICATIONS LTD ; ZURICH-UETIKON ; BRANDRAIN 6, CH-8707 ZURICH-UETIKON, SWITZERLAND
语种	英语 ; 英语
内容类型	会议论文
源URL	[http://hdl.handle.net/123456789/18366]
专题	清华大学
推荐引用方式 GB/T 7714	Godfrey, A,Liu, W,Lin, D,et al. Investigation of local texture correlations in Bi-2223 high temperature superconductor tapes[C]. 见:ICOTOM 14: TEXTURES OF MATERIALS, PTS 1AND 2, 14th International Conference on Textures of Materials, Leuven, BELGIUM, Web of Science, INSPEC.

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