CuSn10青铜粉末热压烧结行为及性能的研究.pdfVIP

维普资讯 学兔兔 第 18卷第3期 粉 末 冶 金 工 业 VoI．18 No．3 2008年6月 POW DER METALLURGY INDUSTRY June 2008 CuSnl0青铜粉末热压烧结行为及性能的研究 熊 洁’，汪礼敏 ，庞鹏沙 ，申 思 (1．北京有色金属研究总院，北京 100088；2．有研粉末新材料(北京)有限公司，北京 101407) 摘 要：对混合、部分合金化、雾化三种不同工艺生产的CuSnl0粉末，在不同温度下进行了真 空热压烧结。主要研究了烧结温度对其热压烧结制品密度、硬度的影响，并通过金相测试对样 品显微组织进行了分析。试验结果表明，对于真空热压烧结，在确定的烧结温度下，雾化 CuSnl0粉末烧结样品的密度和硬度明显高于用其他两种工艺生产的CuSnl0粉末；随着烧结 温度的升高，三种CuSnl0粉末烧结样品的密度及硬度呈现先增加后减小的现象，当烧结温度 为750℃左右时，三种CuSnl0粉末烧结样品的性能最好。 关键词：烧结温度；CuSnl0；粉末；热压烧结 中图分类号：TF124．37 文献标识码：A 文章编号：1006—6543(2008)03—0018—04 STUDY oN SINTERING BEHAVIoRS AND PERFoRMANCE oF 10 TiN BRoNZE P0WDERS XIONG Jie ，WANG Li-min --，PANG Peng-sha ，SHEN Si (1．General Research Institute for Nonferrous Metals，Beijing 100088； 2．GRIPM Advanced Materials Co．，Ltd。Beijing 101407，China) Abstract：Hot press sintering of three 10 tin bronze powders(produced by mixing、partial alloying and atomizing)were carried out at different temperature in order to study the effect of temperature on the density and hardness of the sinters，and microstructure of sinters was studied metallographically．The result indicates that the density and hardness of specimens produced by atomized CuSnl 0 were the highest under the same conditions；with the rising of sintering temperature，the density and hardness of all the specimens were increased firstly and then reduced；the performance of sinters of all three types of CuSnl0 powders was at the top whe