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稀土微合金化铜导线制备及性能研究

王志坚,邓月华,黄美松,刘华,傅臻,黄培

Rare Metals and Cemented Carbides（2021）

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Abstract
采用熔炼、铸锭和冷热加工工艺制备了稀土微合金化铜导线,研究了La、Y、Te、Zr、Ag元素的微合金化对铜导线力学性能、电学性能和显微组织的影响.结果显示,微合金化铜导线在屈服强度为220?260 MPa条件下伸长率达到30％,电阻率为0.017 15 Ω·mm2/m,性能优良,能满足变压器用铜导线服役要求.
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