Abstract
Abstract High-temperature corrosion resistance of martensitic-hardfaced weldment is generally evaluated by the Cr content depending on dilution rate. Present study used a commercial program(SYSWELD) applying three-dimensional heat flow analysis to predict temperature distribution of weld. Configuration of weld bead can be determinedby the contour of melting temperature and simultaneously dilution rate is calculated to predict Cr content. Experimental study also has been conducted to measure Cr content of harfaced surface welded by FCAW. Results indicated that computational results were well matched with those obtained from experiments.Key Words : Hardfacing, SYSWELD, FCAW, Dilution rate, Corrosion resistance, Chromium content ISSN 1225-6153Online ISSN 2287-8955 n : Area [mm 2 ]: Dilution rate [%]: Pass Number: Property of weld metal: Property of base metal: Property of welding wire - 기호설명 - 1. 서 론 경화 육성용접이란 내마모 성능과 내식성이 떨어지는 모재의 표면에 해당 특성을 보강한 용접재료를 균일하게 용착시켜 재료의 표면성질을 향상시키는 표면처리 방법이다. 제철, 화학, 시멘트, 제지설비 등 산업전반에 널리 이용되고 있으며
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