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Solution and Ageing of Cu-Ni-Al-Si Alloy
Author(s): 
Pages: 83-85
Year: Issue:  4
Journal: HEAT TREATMENT OF METALS

Keyword:  Cu-Ni-Al-Si合金固溶-时效显微组织硬度导电率;
Abstract: 用扫描电镜、硬度计、涡流导电率测试仪和万能试验机测试分析了固溶-时效工艺对Cu-Ni-Al-Si合金组织和性能的影响,探讨了合金的强化机理.结果表明,该合金具有显著的时效强化特性,经960 ℃×1.5 h固溶+480 ℃×3 h时效工艺处理后,抗拉强度为860.3 MPa,屈服强度为743.7 MPa,伸长率为17.6%,合金的硬度达272 HB,导电率为18.9%IACS.
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