阵列式微流道的粉末微注射成形技术  

Micro-powder Injection Molding for Micro-channel Array

作　　者：王长瑞[1] 肖竑[1] 邵奎武[1] 卢振[2] 张凯锋[2] 

机构地区：[1]南京电子技术研究所,江苏南京210039 [2]哈尔滨工业大学材料科学与工程学院,黑龙江哈尔滨150001

出　　处：《电子机械工程》2015年第4期46-48,56,共4页Electro-Mechanical Engineering

摘　　要：作为一种近净成形技术,粉末微注射成形具有低成本、高精度、高效率的特点,在成形微小型复杂形状的零件方面优势突出。文中详述了粉末微注射成形制备工艺,采用纳米级粉末材料,通过优化成形参数,成功制备了满足实际使用要求的阵列式微流道零件,成形精度误差低,不超过1.5%,降低成本50%以上。此粉末微注射成形制备阵列式微流道技术对电子机械领域微小型电子元器件的设计和制造具有重要的借鉴意义。As a near-net formation technology,the powder injection molding has advantages in production of the micro-part requiring complex shaping and mass production due to its low cost,fine accuracy and high efficiency.The preparation technology of micro-powder injection molding is introduced in detail in this paper.The micro-part with micro-channel array is manufactured with the nano-powders and by optimizing the forming parameters.The results indicate that the performance of micro-part meets the application requirement.The formation accuracy deviation of the micro-part is small and does not exceed 1.5%.The production cost is reduced by more than 50%.The formation process of micro-part with micro-channel array by micro-powder injection molding is of important instructiveness for the design and fabrication of electronic components with micro-structure in electro-mechanical field.

关 键 词：粉末微注射成形 微流道 电子元器件 

分 类 号：TF124.3[冶金工程—粉末冶金]