Lost Foam Pattern for Investment Casting Technology

Yuan Ziz hou  Zhang Jinsong  Chen Xiujuan

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Lost Foam Pattern for Investment Casting Technology
Issue 4, Pages: 46-47(2003)
Published： 2003 ，
DOI：

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[1]袁子洲,,,,,,,,,,张劲松,,,,,,,,,,陈秀娟.消失模精密铸造工艺研究[J].特种铸造及有色合金,2003(04):46-47+70.

Yuan Ziz hou Zhang Jinsong Chen Xiujuan. Lost Foam Pattern for Investment Casting Technology. [J]. Special Casting & Nonferrous Alloys (4):46-47(2003)
[1]袁子洲,,,,,,,,,,张劲松,,,,,,,,,,陈秀娟.消失模精密铸造工艺研究[J].特种铸造及有色合金,2003(04):46-47+70. DOI：

Yuan Ziz hou Zhang Jinsong Chen Xiujuan. Lost Foam Pattern for Investment Casting Technology. [J]. Special Casting & Nonferrous Alloys (4):46-47(2003) DOI：

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。

Abstract

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.

关键词

精密铸造聚苯乙烯泡沫塑料水玻璃消失模

Keywords

Lost Foam PatternInvestment CastingPolystyreneSodiu m Silicate

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