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1·In agricultural machine equipments, the contact surfaces commonly were damaged by fretting corrosion due to work conditions complexity and the affected of the around environment.

在农业机械装备中，由于环境的影响和工况条件的复杂多变性，在接触面上很容易出现微动磨损造成接触表面的微动损伤。

2·The electroless nickel planting had application very widely for its corrosion -resistant and fretting-resistant and homogeneous nickel-plate.

以次磷酸盐为还原剂的化学镀镍因具有优良的耐蚀性、耐磨性和镀层厚度均匀性而得到广泛应用。

3·The electrochemical corrosion resistance and abrasion resistance are compared by electrochemical analysis and fretting test.

通过电化学分析和磨损实验，比较了不同工艺条件下陶瓷层的耐电化学腐蚀及耐磨性能。