几种铝硅系耐火材料型壳的性能研究  

Study on Properties of Several Al-Si Refractory Shells

作　　者：张松泉[1] 曾洪[1] 朱广智[1] 杨功显[1] 

机构地区：[1]东方汽轮机有限公司长寿命高温材料国家重点实验室,四川德阳618000

出　　处：《东方汽轮机》2016年第2期39-43,共5页Dongfang Turbine

摘　　要：熔模精密铸件的质量与型壳有密切关系,熔模精密铸造企业应该明确所使用的制壳材料和制壳工艺对型壳质量的影响。文章采用了公司已经试验较成熟且稳定的制壳工艺,选用硅溶胶为粘结剂,研究了几种铝硅系耐火材料型壳的性能,明确了各种型壳的适用性。The quality of lost wax precision castings is closely related to shells.It is necessary for investment casting companies to understand the influence of shell-making materials and process employed on the quality of shells.By using the shell-making process which has been tested maturly and stably in our company and choosing silica sol as binder,the performance of shells made of several Al-Si refractory materials is studied and the applicability of various shells is clarified in this paper.

关 键 词：型壳 铝硅系耐火材料 强度 变形 

分 类 号：TG249[金属学及工艺—铸造]