变质处理对环境友好型硅黄铜γ相及切削性能的影响
Effects of Modification Treatment on γ Phase and Cutting Property of Environment-Friendly Silicon-Brass
摘 要
以硅代铅通过变质处理制备了含硅无铅环境友好型易切削黄铜, 并研究了变质处理对γ相形貌、硬度以及硅黄铜切削性能的影响。结果表明: 变质处理不仅可改变γ相的形态, 使其成点状弥散分布于β相中, 而且可有效降低γ相的硬度; γ相与β相的相界处存在间隙, 切削时能起到很好的断屑作用。
变质处理
切削性能
environment-friendly brass
modification treatment
cutting property
Abstract
A environment-friendly lead-free cutting silicon-brass was prepared by replace lead with silicon and modification treatment, and the effects of modification treatment on morphology, hardness of γ phase and the cutting performance of the silicon-brass were studied. The results show that modification treatment not only changed γ-phase′s morphology and made it distribute diffusely in β phase in a point-like form, but also could effectively reduce the microhardness of γ phase. The gap between γ phase and β phase could play a good role for chip breaking during cutting.
中图分类号 TG146.1
所属栏目 新材料 新工艺
基金项目
收稿日期 2011/4/11
修改稿日期 2012/2/26
网络出版日期
作者单位点击查看
备注庞晋山(1974-), 男, 山西代县人, 高级工程师, 博士。
引用该论文: PANG Jin-shan,CAO Biao,CHEN Ming,XIAO Yin-xin. Effects of Modification Treatment on γ Phase and Cutting Property of Environment-Friendly Silicon-Brass[J]. Materials for mechancial engineering, 2012, 36(5): 73～75
庞晋山,曹标,陈明,肖寅昕. 变质处理对环境友好型硅黄铜γ相及切削性能的影响[J]. 机械工程材料, 2012, 36(5): 73～75
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