摘要
借助熔模铸造制壳工艺制成消失模铸造用的超薄空腔型壳 ,以减少消失模铸造在浇注过程中因聚苯乙烯气化而产生的铸件增碳、增氢等缺陷。聚苯乙烯模失模工艺为随炉升温至 60 0℃ ,保温 60min。型壳焙烧工艺为 80 0℃焙烧 1h。
Expendable polystyrene pattern(EPC) was used for mold s hell making in EPC by means of shell making technology similar to wax pat tern ininvestment casting to reduce carburization and hydrogen pick up in EPC so a result of polystyrene vaporization during pouring. Polystyrene pattern was lost with heating up to 600 ℃ for 60 min holding , and shell was baked at 800 ℃ for 1 h.
出处
《特种铸造及有色合金》
CAS
CSCD
北大核心
2003年第4期46-47,共2页
Special Casting & Nonferrous Alloys
基金
兰州理工大学科技发展基金项目 ( 0 2 0 712 )
关键词
精密铸造
聚苯乙烯泡沫塑料
水玻璃
消失模
Lost Foam Pattern, Investment Casting, Polystyrene, Sodiu m Silicate
