316L不锈钢微动磨蚀过程力学化学交互作用的迁移行为

中国腐蚀与防护学报

2001, Vol. 21

Issue (2): 88-94

研究报告

本期目录 | 过刊浏览

316L不锈钢微动磨蚀过程力学化学交互作用的迁移行为

闫建中;吴荫顺;李久青

北京科技大学腐蚀与防护中心腐蚀、磨蚀与表面技术开放研究实验室

FRETTING CORROSIONWEARTRANSFERABILITY OF 316L STAINLESS STEEL

;;Jiuqing Li

北京科技大学腐蚀与防护中心腐蚀、磨蚀与表面技术开放研究实验室

全文: PDF(236 KB)

摘要: 用球-平面接触微动设备研究了316L不锈钢微动损伤速率随微动时间的变化，解析了316L不锈钢不同微动阶段的损伤机制.316L不锈钢微动分三个阶段：第一阶段为微突体接触机制，犁沟损伤严重；第二阶段缝隙腐蚀的发生发展成为影响微动的主导因素；第三阶段是腐蚀疲劳微断裂所致剥层机制为主的损伤过程.力学化学交互作用分量在稳定阶段占损伤的60％以上，对316L不锈钢微动损伤影响显著；力学分量随微动过程的进行线性下降，腐蚀分量线性增长，但力学因素是材料微动损伤的主要因素.

关键词 ：微动磨蚀, 316L不锈钢, 迁移特性, 力学化学交

Abstract：A sphereplane contact device has been used to stu d y the fretting corrosionwear transferability of 316L stainless steel in saline solution. The evolution of fretting damage rates such as the total weight loss r ate (KTt), mechanical damage rate (Kmt), corrosion rate (K ct) and the damage induced by the synergistic effect between mechanical and chemical actions as a function of fretting cycle has been investigated. In t he same time, the variation of the components of mechanical action, corrosion ac tion and the synergistic effect in the total weight loss rate have also been stu died. The variations of KTt,Kmt,Kct were equal to each other. In spite of the difference between the variation of Kct an d the variations of KTt,Kmt,Kct,the fretting of 31 6L stainless steel was characteristic of three stages. And each of these three s tages was of the different mechanism. In the beginning of fretting the damage oc curred in local areas, and the material suffered ploughing damage because of the hard debris formed by fabrication of passive film. In the second period, seriou s crevice corrosion occurred nearby the fretted region, which has taken a great important role in the fretting process. And in the final period, the damage mech anism could be defined as corrosive flaking process. The results showed there wa s a relationship between the of damage rates and mechanisms. The synergistic eff ect took an important role in fretting, and in stable stage, more than 60 percent of fretting damage was due to the conjoint action of mechanical and chemical effects. The result finds the inter relationship between the transition s of fretting damage rates and the synergistic effect and the variation of damag e mechanisms in different fretting periods.

Key words： fretting corrosionwear 316L stainless steel transit ion synergistic effect

收稿日期: 2000-02-14

ZTFLH:

TG113.2

通讯作者: 闫建中

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引用本文:

闫建中; 吴荫顺; 李久青 . 316L不锈钢微动磨蚀过程力学化学交互作用的迁移行为[J]. 中国腐蚀与防护学报, 2001, 21(2): 88-94 .
Jiuqing Li. FRETTING CORROSIONWEARTRANSFERABILITY OF 316L STAINLESS STEEL. J Chin Soc Corr Pro, 2001, 21(2): 88-94 .

链接本文:

https://www.jcscp.org/CN/ 或 https://www.jcscp.org/CN/Y2001/V21/I2/88

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