李丹阳,刘平,张柯,刘新宽,陈小红

• 1:上海理工大学材料科学与工程学院
• 2:上海理工大学机械工程学院

摘要(Abstract)：

利用光学显微镜、扫描电镜、X射线衍射仪及电化学腐蚀试验、切削试验等,观察并研究了65CuZn3Si合金和65CuZn1Si合金热处理前后微观组织、腐蚀性能和切削性能的变化。结果表明:在水冷条件下,随退火温度的升高,65CuZn3Si合金γ相晶粒尺寸逐渐变小,且有富含Si、P的纳米级颗粒状质点析出;当退火温度达到800℃时,γ相尺寸仅为1~5μm,合金的切削性能得到明显的改善;同时,其耐腐蚀性能也有所提高。而含Si量较低的65CuZn1Si合金,热处理对其性能的改善并不明显。

关键词(KeyWords)： 硅黄铜;热处理;显微组织;切削性能

Abstract:

Keywords:

基金项目(Foundation): 国家自然科学青年基金(51301106)

作者(Author): 李丹阳,刘平,张柯,刘新宽,陈小红

DOI: 10.13289/j.issn.1009-6264.2017.04.011

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