高温合金空心叶片精密铸造用陶瓷型芯与型壳的研究现状  

Research Status on Ceramic Cores and Shells for Superalloy Hollow Blades Investment Casting

作　　者：康海峰[1] 李飞[1] 赵彦杰[1] 徐华苹[1] 王飞[1] 吕和平[1] 孙宝德[1] 

机构地区：[1]上海交通大学金属基复合材料国家重点实验室,上海200240

出　　处：《材料工程》2013年第8期85-91,共7页Journal of Materials Engineering

摘　　要：介绍了高温合金空心叶片熔模铸造用陶瓷型芯与型壳的应用背景,及其对于高温合金空心叶片精密成形的重要意义,概述了采用熔模铸造工艺制备高温合金空心叶片对陶瓷型芯与型壳各项性能的基本要求;并指明了陶瓷型芯与型壳今后的发展方向。分别叙述了陶瓷型芯与型壳基体材料的选择、制备工艺及其对性能的影响,介绍了陶瓷型芯脱除工艺的研究进展及存在的问题。另外,对于陶瓷型芯与型壳定位的精确度、性能匹配性对高温合金空心叶片质量影响进行了评述。The application background and key role as well as the basic performance requirements of ceramic cores and shells used for the investment casting of superalloy hollow blade were introduced, and the future development direction of ceramic cores and shells was described. The raw materials of the ceramic cores and shells, together with the manufacture methods and their influence on the prop- erties were reviewed respectively. The research status and existing problems of leaching technics of ceramic cores were introduced. In addition, the important influence of positioning accuracy and the consistency of ceramic cores and shells on the quality of superalloy hollow blade was evaluated.

关 键 词：陶瓷型芯 陶瓷型壳 高温合金 空心叶片 熔模铸造 

分 类 号：TB332[一般工业技术—材料科学与工程]