全面腐蚀控制
全麵腐蝕控製
전면부식공제
TOTAL CORROSION CONTROL
2015年
1期
57-60
,共4页
黎仕强%刘慕懿%胡喜艳%朱琳%刘莉蓉%郭奉迎%雍兴跃
黎仕彊%劉慕懿%鬍喜豔%硃琳%劉莉蓉%郭奉迎%雍興躍
려사강%류모의%호희염%주림%류리용%곽봉영%옹흥약
接触网%大气环境%腐蚀%失重法%形貌分析
接觸網%大氣環境%腐蝕%失重法%形貌分析
접촉망%대기배경%부식%실중법%형모분석
overhead contact system%atmospheric environment%corrosion%weight loss method%morphology analysis
本文研究了铝合金接触网构件材料在模拟典型大气环境中的腐蚀，结果表明，在不同大气环境中，铝合金在城市环境中的腐蚀性最强，其次是工业环境，海洋环境腐蚀性最弱。接触网构件表面的局部破损会引起腐蚀加重，且破损面积越大腐蚀越严重。而接触网构件和不锈钢偶接形成电偶腐蚀，较大程度的加重了接触网的腐蚀。
本文研究瞭鋁閤金接觸網構件材料在模擬典型大氣環境中的腐蝕，結果錶明，在不同大氣環境中，鋁閤金在城市環境中的腐蝕性最彊，其次是工業環境，海洋環境腐蝕性最弱。接觸網構件錶麵的跼部破損會引起腐蝕加重，且破損麵積越大腐蝕越嚴重。而接觸網構件和不鏽鋼偶接形成電偶腐蝕，較大程度的加重瞭接觸網的腐蝕。
본문연구료려합금접촉망구건재료재모의전형대기배경중적부식，결과표명，재불동대기배경중，려합금재성시배경중적부식성최강，기차시공업배경，해양배경부식성최약。접촉망구건표면적국부파손회인기부식가중，차파손면적월대부식월엄중。이접촉망구건화불수강우접형성전우부식，교대정도적가중료접촉망적부식。
In this work, the corrosion of aluminum alloy in the media simulating atmospheric environments was studied, with which the fitting parts of overhead contact system. The results show that the corrosion rate of aluminum alloy in the media simulating urban atmospheric environment is the highest, higher in the medium simulating industry atmospheric environment and the lowest in the medium simulating marineatmospheric environment. The serious corrosion of aluminum alloy parts results from the local damages on the surface. The larger the damage area is, the more serious the corrosion is. The galvanic corrosion, which was caused by the coupling aluminum alloy parts with stainless steel parts, can aggravate the corrosion of aluminum alloy parts.
