Interpass Temperature Affecting Abrasive Wear Resistance of SMAW Hard-Faced Weld Metal on JIS-S50C Carbon Steel

Abstract:

This research work aimed to study an effect of interpass temperature on a wear resistance of a hard-faced weld metal on JIS-S50C carbon steel surface. The experimental results were found that the increase of the interpass temperature resulted in the increase of the grain size, the decrease of the hardness, and the decrease of wear resistance of the hard-face weld metal. Low interpass temperature affected to increase the residual stress inducing the cracking on the interface between the first weld metal layer and the base metal. Wear surface composed the crater and the groove wear traces that showed the different evidence of the failed off metal particles. The lower wear rate was found at the location where contained high amount of the reinforced elements such as chromium, silicon and manganese. The lowest weight loss of 0.89% could be obtained with an application of the optimum interpass temperature of 150 °C.

• Periodical: Materials Science Forum (Volume 950)
• Pages: 60-64
• DOI: https://doi.org/10.4028/www.scientific.net/MSF.950.60
• Online since: April 2019
• Authors: Surat Triwanapong*, Sivakorn Angthong, Kittipong Kimapong
• Keywords: Butt Joint, Dissimilar Metals Joint, Gas, Intepass Temperature, Wear

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