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方波脉冲电流阴极保护效果的实验研究

EFFECT OF SQUARE WAVE PULSED CURRENT ON CATHODIC PROTECTION

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【Author】 QIU Yu-bing~1, ZHU Hong-he~2, YU Cheng-ping~1, GUO Xing-peng~1, Cheng Ming-shan~3 (1. Chemistry Department of Huazhong University of Science and Technology, Wuhan 430074, China; 2. Qiuling Oil Extraction Factory, Filiale of Tuha Oilfield, Shanshan 838202; 3. 725 Research Institute of Chinese Shipbuilding Industry Group Corporation, Qingdao 266071, China)

【机构】华中科技大学化学系；吐哈油田分公司丘陵采油厂；中国船舶重工集团公司第725研究所青岛分部武汉430074；新疆鄯善838202；武汉430074；青岛266071；

【摘要】采用挂片法,在人造海水和自来水介质中,对Q235(A3)钢在直流和方波脉冲电流阴极保护状态下的保护效果进行了对比研究,得出了具体的保护度和保护效率。结果表明,实验条件下脉冲电流阴极保护与直流阴极保护相比,二者的保护度相当,而脉冲电流阴极保护有更小的平均电流消耗和更高的保护效率。更多还原

【Abstract】 Using Q235 steel in artificial seawater and tap water media, the effects of cathodic protection (CP) by square wave pulsed current (SWPC) and direct current (DC) were compared by weight loss method, and the protective property and protective efficiency were calculated. The results show that compared with DC, SWPC can achieve the same protective property with less average current consumption, and has much higher protective efficiency.更多还原

【关键词】挂片法；方波脉冲电流；阴极保护；保护度；保护效率；
【Key words】 Weight loss method； Square wave pulsed current； Cathodic protection； Protective property； Protective efficiency；

【文献出处】腐蚀与防护 ,Corrosion & Protection , 编辑部邮箱 ,2004年12期

【分类号】TG174.41
【被引频次】6
【下载频次】189

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