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http://dx.doi.org/10.4150/KPMI.2022.29.2.123

A Study on the Roll Manufacturing Technology Applying Powder Flame Spray Coating Technology of Ni-Based Alloy Powder  

Park, Ji Woong (MAGMA Engineering KOREA)
Kim, Soon Kook (NOW Industries Co., Ltd.)
Ban, Gye Bum (SAE HAN METALLIZING)
Publication Information
Journal of Powder Materials / v.29, no.2, 2022 , pp. 123-131 More about this Journal
Abstract
The purpose of this study is to improve the mechanical properties and develop manufacturing technology through self-soluble alloy powder flame spray coating on the surface of a run-out table roller for hot rolling. The roller surface of the run-out table should maintain high hardness at high temperatures and possess high wear, corrosion, and heat resistances. In addition, sufficient bonding strength between the thermal spray coating layer and base material, which would prevent the peel-off of the coating layer, is also an important factor. In this study, the most suitable powder and process for roll manufacturing technology are determined through the initial selection of commercial alloy powder for roll manufacturing, hardness, component analysis, and bond strength analysis of the powder and thermal spray coating layer according to the powder.
Keywords
Thermal-spray coating; Powder flame spray; Roll; Coating;
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