发明授权
US5242741A Boronized sliding material and method for producing the same 失效
硼化滑动材料及其制造方法

Boronized sliding material and method for producing the same
摘要:
In the boronizing of a ferrous sintered material, the porosity of the surface to be boronized is reduced, while the interior of the ferrous sintered material is kept essentiall as sintered. The boron phase is selectively on the surface having a low porosity, resistance are attained.
信息查询
0/0