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마찰 육성법을 이용한 S45C 탄소강에 대한 STS304의 코팅층 특성 평가
노중석,조현진,김흥주,천창근,장웅성,Noh Joong-Suk,Cho Houn-Jin,Kim Heung-Ju,Chun Chang-Gun,Chang Woong-Seong 대한용접접합학회 2005 대한용접·접합학회지 Vol.23 No.6
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 eefficiency was obtained in the condition of 1000rpm-2.5mm/sec-2.5mm/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 $5\~15{\mu}m$ width. After friction surfacing, corrosion resistance of STS 304 surfacing layers were equaled to that of STS304 consumable rod.