Present Status of Molding Shell in Investment Casting

Luo Ning  Zhang Xiping  Yan Shuangjing  Lü Zhigang  Jiang Buju

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Present Status of Molding Shell in Investment Casting
Issue 5, Pages: 30-31(2002)
Published： 2002 ，
DOI：

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[1]罗宁,,,,,,,,,,张锡平,闫双景,吕志刚,姜不居.熔模铸造型壳的现状[J].特种铸造及有色合金,2002(05):30-31+1.

Luo Ning Zhang Xiping Yan Shuangjing Lü Zhigang Jiang Buju. Present Status of Molding Shell in Investment Casting. [J]. Special Casting & Nonferrous Alloys (5):30-31(2002)
[1]罗宁,,,,,,,,,,张锡平,闫双景,吕志刚,姜不居.熔模铸造型壳的现状[J].特种铸造及有色合金,2002(05):30-31+1. DOI：

Luo Ning Zhang Xiping Yan Shuangjing Lü Zhigang Jiang Buju. Present Status of Molding Shell in Investment Casting. [J]. Special Casting & Nonferrous Alloys (5):30-31(2002) DOI：

摘要

熔模铸造正向大型、精密方向发展

对型壳提出了更高要求。由于环保要求的提高

醇基硅酸乙酯的使用受到限制

硅溶胶的应用越来越广泛。耐火材料和粘结剂的正确选择

涂料粉液比和涂料粘度的合理控制将大大提高型壳性能。介绍了型壳性能检测方法

Abstract

Molding shell should meet the higher requirements in the investment casting used for large and precision casting. The use of alcoholic ethyl silicate would be restricted and the silica sol would be more and more extensive because of the more strict environmental protection requirement. The proper selection of refractory materials and binders

the proper control of ratio of powder and liquid and viscosity of coating will raise the performance of molding shell greatly. The inspection ways for performance of molding shell were introduced.