세라믹 코팅이 기계 주조용 알루미늄합금(7075 T6)의 마찰·마모특성에 미치는 영향에 관한 연구 = A Study on the Influence of Ceramic Coating on Characteristics of Friction and Abrasion of Aluminum Alloy(7075 T6) Used in Mechanical Casting

다국어 초록 (Multilingual Abstract)

This study deals with the influence of ceramic coating on characteristics of friction and abrasion of aluminum alloyt(7075 T6) used in mechanical casting In this research, frictional wear characteristic of ceramic coating materials such as Al₂O₃, Si₃N₄, SiC was investigated using aluminum alloy(7075 T6) and stainless 403 cast iron under room temperature and normal air pressure. The coating layer was observed using SEM
The conclusions are as follows: 1) Friction coefficients of Al₂O₃, SiC and S i₃N₄ are obtained 0.63 0.56 and 0.54 respectively. 2) Abrasion resistance of stainless 403 cast iron with Si₃N₄ is the best among the ceramic coating materials. 3) Abrasion mechanism of aluminum alloy(7075 T6) coated with ceramic material and stainless 403 cast iron is caused by brittle fracture. 4) Coating the ceramic material on the aluminum alloy(7075 T6) can effectively increase the antiwear, impact properties, and corrosion resistance.