不同截面尺寸Bi-2223多芯带材的错配角

1.西北有色金属研究院,西安,710016;LCMI CNRS, Grenoble, France

2.西北有色金属研究院,西安,710016

3.CRETA CNRS,Grenoble, France

4.LCMI CNRS, Grenoble, France

5.CRTBT CNRS, Grenoble, France

6.西北有色金属研究院,西安,710016

7.西北有色金属研究院,西安,710016

8.西北有色金属研究院,西安,710016

9.西北有色金属研究院,西安,710016

10.西北有色金属研究院,西安,710016

11.西北有色金属研究院,西安,710016

12.西北有色金属研究院,西安,710016

基金项目: 国家自然科学基金(2003AA306120)

MISALIGNMENT ANGLES OF MULTIFILAMENTARY Bi2223 TAPES WITH DIFFERENT CROSS SECTION AREA

采用输运电流方法测试了37芯Bi2223带材的平均错配角.带材的错配角随带材厚度的降低而减小,同时带材Jc升高.但过薄的带材由于加工不稳定易导致Ag/超界面不规则现象,并破坏界面晶粒取向,造成错配角增大.

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