控制金属材料的腐蚀或磨损有三种方法：１）合理选用耐蚀金属材料（包括开发新材料或对材料进行适宜的表面强化处理；２）改善金属材料服役的介质环境（包括合理使用缓蚀剂）；３）采取电化学保护措施．由于在腐蚀介质中工作的各种摩擦副往往受腐蚀与磨损的协同作用而发生...
The electrochemical behavior of 1Cr18 stainless steel had been studied using a reciprocating triboelectrochemical equipment under friction in 0.2 mol/L H2SO4 solution with and without addition of thiourea, the frictionized surface of 1Cr18 stainless steel had been examined by the SEM, XPS and IR. The results showed that the loss rate of 1Cr18 stainless steel in the solution could be reduced by addition of thiourea. The adsorption of thiourea on the surface of 1Cr18 stainless steel prohibited the oxidization of Cr3+ to form Cr() and formation of passive film consisting of CrO42- or/and Cr(), and make the passive range to narrower.
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