It was proved that pitting potential become more noble and pitting resistance was improved after ion plating.
2
松孔镀铬层应用于受重压的滑动摩擦件及耐热、抗蚀、耐磨零件，如内燃机汽缸内腔、活塞环等。
Loose hole plating chromic layer by weight used in the sliding friction parts and heat resistance, corrosion, wear parts, such as internal combustion engine cylinder lumen, piston rings.
3
介绍了端面直接铸孔并进行等温处理的新型抗点蚀挺杆体的结构和热处理工艺；
The construction of a new type anti-pitting tappet with a cast hole in its end face and isothermally treated are described.
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