College;
of;
Math;
and;
Physics,;
Nanjing;
University;
of;
Information;
Science;
and;
Technology,;
Nanjing;
210044,;
China;
College;
of;
Material;
and;
Technology,;
Nanjing;
University;
of;
Aeronautics;
and;
Astronautics,;
Nanjing;
210016,;
China;
摩擦磨损性能; 表面合金; 双层辉光放电; 材料; X射线光电子能谱; GCr15钢; 摩擦学性能; 镍基合金;