Investigation on the Adhesion Strength and Its Wear Resistance of Al2O3 Film deposited on 440C Stainless Steel

• Main Authors: Sung Tzu Hau, 宋子豪
• Other Authors: You Hsien-I
• Format: Others
• Language: zh-TW
• Published: 2001
• Online Access: http://ndltd.ncl.edu.tw/handle/39983533806338317993

碩士 === 國立中興大學 === 機械工程學系 === 89 === The strength of adhesion and wear resistance of hard film is investigated in the present project. The Al2O3 Film is deposited on the substrate of 440C stainless steel. The sol-gel coating by spin coating is used. The effect of the surface roughness of substrate and sintering temperature of deposited film on the strength of adhesion and wear resistance of the film-substrate system is studied. The strength of adhesion is assessed by the measurement of work of adhesion and the critical load determined from scratch test. The wear resistance is represented by the loss of the wear weight in a pin-on-disk test. The results show that a smooth metallic surface possesses higher surface energy, which in turn strengthen the adhesion between the substrate and the deposited film. The Al2O3film have a higher wear resistance property when it is deposited on a smooth surface and sintered at a high temperature.