Effects of Wettability of Coating on Carbon Defect in EPC Castings

Jiang Qinghe1; Liu Xu1; Wang Wei1; Jiang Kun1; Ma Xiaoguang1; Sun Haifeng2

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Effects of Wettability of Coating on Carbon Defect in EPC Castings
Issue 3, Pages: 215-218(2007)
Published： 2007 ，
DOI：

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[1]姜青河,刘旭,王蔚,姜琨,马晓光,孙海峰.消失模涂料的润湿性对铸件碳缺陷的影响[J].特种铸造及有色合金,2007(03):215-218+162.

Jiang Qinghe1, Liu Xu1, Wang Wei1, et al. Effects of Wettability of Coating on Carbon Defect in EPC Castings. [J]. Special Casting & Nonferrous Alloys (3):215-218(2007)
[1]姜青河,刘旭,王蔚,姜琨,马晓光,孙海峰.消失模涂料的润湿性对铸件碳缺陷的影响[J].特种铸造及有色合金,2007(03):215-218+162. DOI：

Jiang Qinghe1, Liu Xu1, Wang Wei1, et al. Effects of Wettability of Coating on Carbon Defect in EPC Castings. [J]. Special Casting & Nonferrous Alloys (3):215-218(2007) DOI：

摘要

通过分析探讨聚苯乙烯气化分解过程中碳生成的机理

认为聚苯乙烯泡沫塑料若能大部分以液态形式排出涂料层以外

则可有效地减少铸件的碳缺陷。因此

提出了涂料对聚苯乙烯液态产物的润湿性的概念

通过试验验证了这种设想的正确性。

Abstract

It was believed that the carbon defects in the castings can be effectively eliminated if the major polystyrene foam pattern is exhausted in ways of liquid type by analyzing the formation mechanism of carbon defects during the decomposition of polystyrene.The wettability of coating for liquid decomposition product of the polystyrene has been given

which was validated by the experimental results.