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Cu-18vol％Nb微观复合材料的热稳定性研究
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1.西北有色金属研究院超导所;2.西北工业大学材料学院;3.西北有色金属研究

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    摘要:

    通过高脉冲磁场的捆扎和拉伸工艺制备了具有高强度和高导电性的Cu-18vol.％Nb微复合材料（873*873*873）。 我们报告了我们对多丝Cu-Nb微复合材料的微观结构，强度和磁性的演变的研究。 结果表明，在高达830℃的温度下退火过程中，Nb的（110）衍射峰的强度变得更尖锐和更高。 观察到铌丝的显着球化和粗化现象。 讨论了微观结构变化对Cu-Nb微复合材料力学性能和磁性能的影响。

    Abstract:

    The high strength and high conductivity Cu-18vol.%Nb microcomposites (8733filaments) were fabricated by bundling and drawing process (ADB) for high pulsed magnets field. The influence of heat treatment on the microstructure、mechanical properties、 and magnetic properties of Cu-18vol.%Nb microcomposites were systematically investigated. The sample were characterized by XRD、 SEM、 and TEM. Results show that the intensity of <110>Nb texture decreased at first and then increased with the increases of annealing temperature. At the same time, the significant spheroidization and coarsening phenomenon of the Nb filaments were observed. The influence of the microstructural changes on the mechanical properties and the magnetic properties of the Cu-Nb microcomposites are discussed.

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王鹏飞,梁明,徐晓燕,冯建情,李成山,李金山,张平祥. Cu-18vol％Nb微观复合材料的热稳定性研究[J].稀有金属材料与工程,2020,49(4):1171~1176.[Pengfei Wang, Ming Liang, Xiaoyan Xu, Jianqing Feng, Chengshan Li, Jinshan Li, Pingxiang Zhang. Research on the thermal stability of a Cu-18vol.%Nb Microcomposites[J]. Rare Metal Materials and Engineering,2020,49(4):1171~1176.]
DOI：10.12442/j. issn.1002-185X.20181158

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  • 收稿日期:2018-11-19
  • 最后修改日期:2020-03-17
  • 录用日期:2019-01-09
  • 在线发布日期: 2020-05-07

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