질화규소와 베어링강의 미끄럼 마모형태도 = Wear Map of Silicon Nitride Sliding against Bearing Steel

다국어 초록 (Multilingual Abstract)

The tribological properties of silicon nitride in unlubricated sliding contact were investigated using a ball on disk wear apparatus at room temperature and normal load. The tribological behaviour can be classifled into two groups as follows :
(1) The wear state of silicon nitride ball is divided into 3 parts, the formation of minute irragular surface resulted from plastic flow rupture, the formation of fracture surface of grain boundary and the formation of slippery surface resulted from chemical reaction.
(2) The frication from of bearing steel disk is divided into 4 parts, the formation of the surface that the surface layer is shed resulted from friction wear, the formation of the surface that the microscopic friction particles are accululated resulted from corrosive wear and formation of surface that the slippery oxide tunic is created.