COATING MATERIAL HAVING HEAT AND ABRASION RESISTANCE AND LOW FRICTION CHARACTERISTICS AND COATING METHOD THEREOF

摘要

The present invention relates to a coating material having heat resistance, abrasion resistance and low friction characteristics, which is coated on an operating component such as a rotating shaft working at high speed without oil supply in a high-temperature environment (700 ~ 900°C) such that the operating body can sufficiently withstand friction, heat generation and abrasion caused by contact with a bearing. The coating material comprises: 20~40wt% of chromium oxide (Cr₂O₃); 40~60wt% of a binding material; 10~20wt% of tungsten disulphide (WS₂); and 10~20wt% of silver (Ag). The binding material comprises 60~80wt% of nickel (Ni) and 20~40wt% of chromium (Cr).