Owing to the existence of micro hole in the coating of arc spraying, the excellent property of friction and wear can be obtained,especialy under the condition of a rapider sliding speed.

• 另外,电弧喷涂涂层中显微孔隙的存在,是使其具有优良摩擦磨损性能的主要原因,尤其在较高的滑动速度下,它的优异性能更加明显。