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A Study on High Temperature Particles-Erosion of Hard Coatings  

이의열 (안동대학교 신소재공학부 금속재료)
김종하 (안동대학교 신소재공학부 금속재료)
Publication Information
Journal of the Korean institute of surface engineering / v.36, no.4, 2003 , pp. 291-295 More about this Journal
Abstract
Many steam turbine components encounter solid particle erosion damage. It has been reported that particle erosion damage is caused by oxide scale exfoliation from boiler tubes. One of the most effective solutions to combat the erosion damage is the application of erosion resistant coatings on the turbine components. In this study, particle erosion resistance for various hard coatings such as nitride, Cr carbide and boride coatings was evaluated under the simulated erosion conditions of steam turbines. Based on the particle erosion tests, the boride coating was found to be more superior to others.
Keywords
erosion; boride; steam turbine;
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