微粉末注射成形  

MICROPOWDER INJECTION MOLDING

作　　者：杜美娜[1] 尹海清[1] 曲选辉[1] 

机构地区：[1]北京科技大学材料科学与工程学院,北京100083

出　　处：《粉末冶金工业》2007年第5期34-39,共6页Powder Metallurgy Industry

基　　金：国家973项目子课题(2004CB719802);国家863计划(No.2006AA032113);国家自然科学基金重点项目(No.50634010)

摘　　要：微粉末注射成形技术能够生产具有精密微细结构的零件,并使低成本大规模生产得以实现,通过这种技术有望满足微机电系统(MEMS)所需零部件的要求。本文通过研究微型齿轮结构的粉末注射成形工艺过程,得出较为合理的工艺参数。结果显示,以羰基铁粉为原料成形微型齿轮效果良好,无缺陷的注射坯可以成功地实现脱脂和烧结。Micro powder injection molding （μ-PM）is an economical fabrication technology for mass production of precise small parts at low cost. This technology is a promising route to produce the parts for micro electro-mechanical systems（MEMS）. The production of carbonyl iron micro gear by μ-PIM was studied. The suitable parameters were obtained. The results show that carbonyl iron micro gears could be successfully produced by μ-PIM. The parts could be successfully debound and sintered.

关 键 词：微粉末注射成形 注射成形 微型齿轮 

分 类 号：TF124.39[冶金工程—粉末冶金]