金属粉末的非水基凝胶注模成形  

Non-water-based gelcasting of metal powders

作　　者：贾成厂[1] 卡瑞玛 袁海英[1] 张秀丽[2] 史延涛 刘卫华[4] 

机构地区：[1]北京科技大学材料科学与工程学院,北京100083 [2]中国国家图书馆,北京100081 [3]北京中科三环高技术股份有限公司,北京100080 [4]北京工业大学耿丹学院,北京101301

出　　处：《粉末冶金技术》2013年第3期223-228,共6页Powder Metallurgy Technology

基　　金：国家自然科学基金资助项目(51274041)

摘　　要：凝胶注模成形工艺具有适用于多种粉末的复杂形状成形,成形坯体组分均匀、密度均匀、缺陷少、强度高,不需专门的脱脂工序,模具成本低廉等独特优势。对凝胶注模成形工艺及原理进行了简介;结合适合于金属粉末的新型非水基凝胶注模体系的研发工作,介绍了以多种金属及合金粉末为原料,采用该方法制备金属粉末材料和制品的应用实例。Gelcasting-process have unique advantages such as suitability for complex molding of various powders, uniform density, fewer defects, high strength, no need for specialized degreasing step, low mold cost etc. The principle and process of gelcasting-process were briefly introduced. Basing on research works on the new non-water-based gelcasting system suitable for metal powders, application examples of the metal materials and products prepared by non-water-based gelcasting using the alloy powders were introduced as well.

关 键 词：凝胶注模成形 金属粉末 复杂形状 

分 类 号：TQ174.758[化学工程—陶瓷工业]