公开(公告)号：US20140197003A1

公开(公告)日：2014-07-17

申请号：US14155714

申请日：2014-01-15

申请人： CNK Co., Ltd. ,  JTEKT Corporation

发明人： Hiroyuki ANDO ,  Junji ANDO ,  Takuya TSUDA ,  Shuichi TAKAHASHI ,  Kiyoyuki HATTORI ,  Kazuhiro FUKUSHIMA ,  Tomoyuki NANBA ,  Hiroshi SHIRAYANAGI

IPC分类号： F16D13/64 ,  C23C8/26

CPC分类号： F16D13/64 ,  C21D1/06 ,  C21D1/58 ,  C21D1/74 ,  C21D7/13 ,  C21D9/0068 ,  C21D9/46 ,  C23C8/02 ,  C23C8/26 ,  C23C8/34 ,  C23C8/80 ,  F16D13/648 ,  F16D27/115

摘要： A sliding member includes a base material portion formed of steel; a nitrogen diffusion layer with a thickness of 10 μm to 50 μm; and a nitrogen compound layer with a thickness of 10 μm to 50 μm. The nitrogen compound layer and the nitrogen diffusion layer are formed by performing a first heating process of performing heat treatment on a material formed of steel in an ammonia atmosphere at a temperature of 570° C. to 660° C., a second heating process of performing heat treatment on the material in a non-oxidizing and non-ammonia atmosphere at a temperature of 660° C. to 690° C., the temperature in the second heating process being higher than the temperature in the first heating process, and an oil cooling process of performing oil cooling treatment at an oil temperature of 60° C. to 80° C. subsequently to the second heating process.

摘要翻译： 滑动构件包括由钢形成的基材部分; 厚度为10μm〜50μm的氮扩散层; 和氮化合物层，其厚度为10μm至50μm。 氮化合物层和氮扩散层通过对在氨气氛中由钢形成的材料在570℃至660℃的温度下进行热处理的第一加热过程形成，第二加热过程 在660℃至690℃的温度下，在非氧化性和非氨气氛中对材料进行热处理，第二加热过程中的温度高于第一加热过程中的温度， 在第二加热过程之后的油温为60℃至80℃下进行油冷处理的油冷却过程。