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Evaluation of Particle Erosion Resistance for the Boronized Cr/Mo alloy  

이의열 (안동대학교 공과대학 신소재공학부)
김종하 (안동대학교 공과대학 신소재공학부)
Publication Information
Journal of the Korean institute of surface engineering / v.35, no.6, 2002 , pp. 371-376 More about this Journal
Abstract
Steam turbine components of power generators are subjected to severe damages from the particle erosion by iron oxides (mainly $Fe_3$$O_4$) which are formed due to the oxidation of boiler tubes, causing high costs for maintaining and repairing. One of the practical ways to minimize the particle erosion is to apply the erosion resistant boride coating on the turbine components which is composed of boride apply. But the evaluation of its performance has not been carried out. A particle erosion tester, which can offer the erosion condition of steam turbine components, was developed to evaluate the performances of the boronized Cr/Mo alloy. The result showed that the boronized Cr/Mo alloy showed superior resistance to particle erosion to the bare Cr/Mo alloy in all test conditions.
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