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JWJ > Volume 23(6); 2005 > Article
Journal of KWJS 2005 December;23(6) :72-76.
Published online January 26, 2006.
The Evaluation of STS304 Coating Layer on S45C Substrate by Friction Surfacing Process
Joong-Suk Noh, Houn-Jin Cho, Heung-Ju Kim, Chang-Gun Chun, Woong-Seong Chang




Correspondence:   Published online January 26, 2006
ABSTRACT
Friction surfacing of STS304 consumable rod on S45C substrate was investigated by microstructural observation and mechanical tests. STS304 layer formed a strongly-bonded thick layer under a wide range of surfacing conditions. The highest coating efficiency was obtained in the condition of 1000rpm-2.5㎜/sec-2.5㎜/sec. The hardness distribution showed the peak value in the boundary layer and as the consumable rotation speed increased, the boundary layer also hardness increasing. As the consumable rotation speed and the traveling speed increased, the coating efficiency tended to decrease. On the other hand, as the feeding speed increased, the coating efficiency appeared to be increased. The new Fe-Cr-Ni alloy layer is showed in the interface layer on 5~15㎛ width. After friction surfacing, corrosion resistance of STS 304 surfacing layers were equaled to that of STS304 consumable rod.
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