SiC_P/Cu复合材料粉末注射成形  

Study on Preparation of SiC_P/Cu Composite by Powder Injection Molding

作　　者：陈华[1,2] 杨建明[2] 严铿[1] 贺毅强[2] 

机构地区：[1]江苏科技大学材料科学与工程学院,江苏镇江212003 [2]淮海工学院机械工程学院,江苏连云港222005

出　　处：《热加工工艺》2011年第4期75-77,共3页Hot Working Technology

基　　金：江苏省高校自然科学研究资助项目(09KJD430001);江苏省教育厅高校"青蓝工程"资助项目

摘　　要：采用粉末注射成形技术制备出SiC颗粒增强Cu基复合材料,研究了注射成形工艺参数对注射件和烧结件性能的影响。结果表明,通过优化整个工艺参数,可以避免试样缺陷的形成。当注射压力为120 MPa、注射温度为180℃、注射速度为40 m/s时,试样成形性能良好;提高溶剂脱脂温度有利于提高脱脂率;采用较低的升温速率脱脂和烧结时,能避免产生气泡和变形等缺陷。SiCP /Cu composite was prepared by powder injection molding and the effects of injection molding parameters on the property of the composite were investigated.The results show that the product defects can be effectively avoided by improving injection process and sintering process.At the injecting pressure of 120 MPa,injection temperature of 180 ℃,injection speed of 40 m/s,the injection pattern can achieve the desired formability.The elevation of derosination temperature can contribute to the elevation of derosination rate.Gas cavity and deformation of the samples can be avoided by degreasing and sintering at low heating rate.

关 键 词：注射成形 SICP/CU复合材料 烧结 脱脂率 

分 类 号：TF124.3[冶金工程—粉末冶金]