CAJ | 학술논문

采用立式万能销盘腐蚀磨损试验机研究AISI 316不锈钢和Ti6Al4V合金在海水中与Al2O3陶瓷对磨时的腐蚀与腐蚀磨损行为，重点讨论腐蚀磨损之间的交互作用。结果表明，摩擦作用使得Ti6Al4V合金和316不锈钢的开路电位大幅下降，腐蚀磨损过程中的电流密度远高于静态腐蚀时的电流密度，摩擦明显促进了合金的腐蚀。两种合金在海水中的磨损量远大于在纯水中的磨损量，腐蚀促进了磨损，并且Ti6Al4V合金的耐磨性优于316不锈钢的耐磨性，腐蚀磨损之间的交互作用是材料损失的一个重要因素。本实验所用的摩擦装置为单向滑动的面面接触方式，这使得摩擦对腐蚀的促进作用在总磨损量中所占的比例很小。
채용입식만능소반부식마손시험궤연구AISI 316불수강화Ti6Al4V합금재해수중여Al2O3도자대마시적부식여부식마손행위，중점토론부식마손지간적교호작용。결과표명，마찰작용사득Ti6Al4V합금화316불수강적개로전위대폭하강，부식마손과정중적전류밀도원고우정태부식시적전류밀도，마찰명현촉진료합금적부식。량충합금재해수중적마손량원대우재순수중적마손량，부식촉진료마손，병차Ti6Al4V합금적내마성우우316불수강적내마성，부식마손지간적교호작용시재료손실적일개중요인소。본실험소용적마찰장치위단향활동적면면접촉방식，저사득마찰대부식적촉진작용재총마손량중소점적비례흔소。
The corrosion and tribocorrosion behaviors of AISI 316 stainless steel and Ti6Al4V alloys sliding against Al2O3 in artificial seawater using a pin-on-disk test rig were investigated. And the synergistic effect between corrosion and wear was emphatically evaluated. The results show that the open circuit potentials of both alloys drop down to more negative value due to friction. The corrosion current densities obtained under tribocorrosion condition are much higher than those under corrosion-only condition. Friction obviously accelerates the corrosion of the alloys. The wear loss for both alloys is larger in seawater than that in pure water. Wear loss is obviously accelerated by corrosion. And AISI 316 stainless steel is less resistant to sliding damage than Ti6Al4V alloy. The synergistic effect between wear and corrosion is a significant factor for the materials loss in tribocorrosion. In this surface-on-surface contact geometry friction system, the material loss is large but the ratio of wear-accelerated-corrosion to the total wear loss is very low.