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Wear behaviors of boron-bearing new hardfacing alloys
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Journal of Material Sciences & Engineering

ISSN: 2169-0022

Open Access

Wear behaviors of boron-bearing new hardfacing alloys


19th World Congress on Materials Science and Engineering

June 11-13, 2018 | Barcelona, Spain

Yi-ting Chang, Tien-Hao Chang and Su-Jien Lin

National Tsing Hua University, Taiwan

Posters & Accepted Abstracts: J Material Sci Eng

Abstract :

High chromium cast irons (HCCIs) are excellent wear-resistant materials and have been widely used as a hard facing alloy for wear-affected equipment operated under extreme conditions, such as facilities in the slurry pumping systems used in the oil sands handling, mineral processing, coal and cement industries. In the previous research, we fabricate hard facing alloys AlCrFeMnNiMoBCNb with abrasive wear resistance of 12WWW.5 m/mm3, which beyond 6 times the abrasive wear resistance of HCCIs. In this study, based on the previous study AlCrFeMnNiMoBCNb alloy, we research the effect of each element of the AlCrFeMnNiMoBCNb alloy by eliminating each element independently. In addition, we utilize Taguchi methods by adjusting the content of Al, Mn, and Ni (by decreasing Cr) elements to further improve the wear resistance, which found that Cr was the key element to the wear characteristics of new hard facing alloys. Furthermore, by increasing Cr element, we significantly enhance the abrasive wear resistance of new hard facing alloys up to 24.5 m/mm3, which beyond 12 times of HCCIs. to889889@gmail.com

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Citations: 3677

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