廖强,朱立群,李卫平,刘慧丛

• 1:北京航空航天大学材料科学与工程学院空天材料与服役教育部重点实验室

摘要(Abstract)：

通过采用不同的超声方式对电铸铜层进行处理,电铸过程中无超声(试样C1)、在电铸过程中超声(C2)、电铸后超声(C3)以及电铸后进行玻璃珠辅助超声(C4),获得了与普通电铸铜层相比结构更致密,抗拉强度更高的电铸铜层。并对不同超声方式下得到的电铸铜层进行微观形貌观察及拉伸性能的测试。结果表明:试样C2由于超声作用使电铸铜层晶粒细化,并抑制了晶粒过分生长,因而与C1相比其抗拉强度提高了23.8%;而电铸后超声对电铸铜微观结构及抗拉性能几乎没有影响;试样C4在玻璃珠的碰撞与摩擦作用下获得了具有纳米晶结构,抗拉强度与C1相比提高了65.2%。

关键词(KeyWords)： 电铸铜层;超声处理;纳米结构;抗拉强度

Abstract:

Keywords:

基金项目(Foundation): 国家自然科学基金(50771010)

作者(Author): 廖强,朱立群,李卫平,刘慧丛

DOI: 10.13289/j.issn.1009-6264.2010.11.031

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