Development of Alcohol Based EPC Coating for Casting Aluminum Alloy

Huang Jianbo; Zhang Liuwei; Wang Lei

doi:10.15980/j.tzzz.2018.03.014

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Development of Alcohol Based EPC Coating for Casting Aluminum Alloy
Vol. 38, Issue 3, Pages: 280-282(2018)
Published： 2018 ，
DOI： 10.15980/j.tzzz.2018.03.014

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[1]黄建波,张留伟,汪磊.铝合金消失模铸造用醇基涂料研究[J].特种铸造及有色合金,2018,38(03):280-282.

Huang Jianbo, Zhang Liuwei, Wang Lei. Development of Alcohol Based EPC Coating for Casting Aluminum Alloy. [J]. Special Casting & Nonferrous Alloys 38(3):280-282(2018)
[1]黄建波,张留伟,汪磊.铝合金消失模铸造用醇基涂料研究[J].特种铸造及有色合金,2018,38(03):280-282. DOI： 10.15980/j.tzzz.2018.03.014.

Huang Jianbo, Zhang Liuwei, Wang Lei. Development of Alcohol Based EPC Coating for Casting Aluminum Alloy. [J]. Special Casting & Nonferrous Alloys 38(3):280-282(2018) DOI： 10.15980/j.tzzz.2018.03.014.

摘要

用莫来石作为主加耐火骨料

滑石粉、硅藻土、云母粉为辅加耐火骨料

累托石和凹凸棒土为复合悬浮剂

采用酚醛树脂和白乳胶为复合粘结剂

设计了正交试验法

制备出一种可用于铝合金消失模铸造的醇基涂料。试生产结果表明

涂料涂层强度及透气性良好

在浇注过程中无跑火、无反喷

涂层成整块烧结

成形铸件表面光洁、无气孔、无粘砂。

Abstract

Through using the mullite as the main addition to the refractory

talcum powder

diatomaceous earth

mica powder for the auxiliary refractory aggregate

rectorite and attapulgite for the composite suspension agent and phenolic resin as well as white latex as a composite binder

an alcohol-based lost foam casting coating for aluminum alloy was prepared by orthogonal experiment and differential analysis.The results show that the coating prepared presents the satisfied strength and good permeability in the casting process with absence of fire

back spraying as well as the whole sintering

meanwhile

castings surface is clean without porosity and sand.