用微动摩擦磨损试验机进行304不锈钢/Al_2O_3摩擦副在Na_2SO_4溶液中的微动腐蚀磨损实验.利用脉冲电位评价微动磨损产生的新生面与磨损表面的关系.结果表明,微动腐蚀磨损量随电位的增高而增大;新生面的面积约为磨痕面积的1/10;304不锈钢的微动腐蚀磨损是由电化学作用引起的腐蚀磨损.
In order to clarify the fretting wear behavior of 304 stainless steel in Na_2SO_4 solution,the electrochemical approach is applied in this work.The potential pulse method is used to evaluate the relationship between the fresh surface produced by fretting wear and lost surface.The results shows as follows:wear volume is increased with the increase of potential;the fresh surface area is approximately one tenth of the wear scar area,and fretting corrosion wear is caused by electrochemical element.
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