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J Weld Join > Volume 32(6); 2014 > Article
Special Issue
Journal of Welding and Joining 2014;32(6):550-557.
DOI: https://doi.org/10.5781/JWJ.2014.32.6.14    Published online December 31, 2014.
Prediction of Cr Content in the Martensitic-hardfaced Weldment Utilizing Dilution Rate Analytically Estimated
Bong-Hun Kim*, Chun-Hwan Kim**
Correspondence:  Bong-Hun Kim,
Email: bhkim@daegu.ac.kr
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 determined by 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
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