1003 超急速高周波焼入れとDLC被膜による複合表面改質鋼の摩擦摩耗特性及び疲労特性(表面改質による機械の高性能化)  [in Japanese] 1003 The Tribological and Fatigue Properties of Steel modified Hybrid Surface Modification combined Super Rapid Induction Heating & Quenching and DLC coating  [in Japanese]

In recent years, against the background of weight saving and downsizing in machines and devices, it is important subject to downscale mechanical parts which was combined in them. So in this study, in order to achieve power transmission parts like compact gearwheel which indicates high performance properties, hybrid surface modification which was combined SRIQ(Super Rapid Induction heating & Quenching) which creates high fatigue strength and DLC(Diamond Like Carbon) coating which are well known for their high hardness, low friction and excellent wear resistance was performed. And, in order to prevent the base material from decrease of fatigue strength, DLC was coated by using UBMS(Unbalanced Magnetron Sputtering) method which can coat at low temperature. Rotational bending fatigue tests and friction-wear tests were carried out. It was clear that it is possible to keep high fatigue strength and to create excellent tribological properties at specimen surface by performed hybrid surface modification. Furthermore, it is possible to prevent increase in handling process because tempering process after quenching can be performed by heat process during DLC coating process.