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采用集束拉拔制备技术获得了含有N=854铌芯的Cu-Nb微观复合材料.在77 K条件下材料的电阻率为0.36 μΩ·cm,在293 K时,复合材料导电率大于70%IACS.复合材料截面面积大于5 mm2时,复合材料室温抗拉强度达到915 MPa.通过扫描电镜观察了材料拉伸断口形貌及芯丝排布情况.

参考文献

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