ISIJ International
Online ISSN : 1347-5460
Print ISSN : 0915-1559
ISSN-L : 0915-1559
Regular Article
Corrosion Resistant of Inorganic Coating for 50CrVA Spring Steel at Elevated Temperatures
Xiaomeng ZhangLianqi WeiXiaojing WangGuoyan FuZiyi LiuBo YuShufeng Ye
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2017 Volume 57 Issue 4 Pages 730-736

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Abstract

An inorganic coating on 50CrVA spring steel was successfully fabricated by a simple and low-cost spraying technique, using bauxite, silicon carbide, sodium silicate, feldspar and phosphate binders. Experimental results showed that the weight gain of coated specimen was reduced by 67.82% and the decarburization layer of coated specimen disappeared completely at 1050°C holding for 120 min. The coating showed a reduction in decarburization of 100% at 1050°C holding for 120 min. It suggests that the coating prevented the decarburization during high-temperature treatment.

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© 2017 by The Iron and Steel Institute of Japan
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