杨博均,陈翔峰,姚敬华,任润桃.铜及铜合金在淡海水交替自然环境条件下的腐蚀行为研究[J].装备环境工程,2017,14(2):24-30. YANG Bo-jun,CHEN Xiang-feng,YAO Jing-hua,REN Run-tao.Corrosion Behavior of Copper and Its Alloys in Freshwater-Seawater Alternate Circumstance[J].Equipment Environmental Engineering,2017,14(2):24-30.
铜及铜合金在淡海水交替自然环境条件下的腐蚀行为研究
Corrosion Behavior of Copper and Its Alloys in Freshwater-Seawater Alternate Circumstance
投稿时间:2016-07-18  修订日期:2017-02-15
DOI:10.7643/ issn.1672-9242.2017.02.005
中文关键词:    铜合金  腐蚀  流速  淡海水交替
英文关键词:copper  copper alloy  corrosion  flow velocity  seawater-freshwater alternate circumstance
基金项目:“十二五”技术基础科研项目(Z132013B001)
作者单位
杨博均 中国船舶重工集团公司第七二五研究所 厦门材料研究院,福建 厦门 361006 
陈翔峰 1.中国船舶重工集团公司第七二五研究所 厦门材料研究院,福建 厦门 361006;2.中国船舶重工集团公司第七二五研究所 海洋腐蚀与防护国家级重点实验室,山东 青岛 266101 
姚敬华 1.中国船舶重工集团公司第七二五研究所 厦门材料研究院,福建 厦门 361006;2.中国船舶重工集团公司第七二五研究所 海洋腐蚀与防护国家级重点实验室,山东 青岛 266101 
任润桃 1.中国船舶重工集团公司第七二五研究所 厦门材料研究院,福建 厦门 361006;2.中国船舶重工集团公司第七二五研究所 海洋腐蚀与防护国家级重点实验室,山东 青岛 266101 
AuthorInstitution
YANG Bo-jun Advanced Material Academy of Luoyang Ship Material Research Institute, Xiamen 361006, China 
CHEN Xiang-feng 1.Advanced Material Academy of Luoyang Ship Material Research Institute, Xiamen 361006, China; 2.State Key Laboratory for Marine Corrosion and Protection, Luoyang Ship Material Research Institute (LSMRI), Qingdao 266101, China 
YAO Jing-hua 1.Advanced Material Academy of Luoyang Ship Material Research Institute, Xiamen 361006, China; 2.State Key Laboratory for Marine Corrosion and Protection, Luoyang Ship Material Research Institute (LSMRI), Qingdao 266101, China 
REN Run-tao 1.Advanced Material Academy of Luoyang Ship Material Research Institute, Xiamen 361006, China; 2.State Key Laboratory for Marine Corrosion and Protection, Luoyang Ship Material Research Institute (LSMRI), Qingdao 266101, China 
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中文摘要:
      目的 研究铜及铜合金在淡海水交替条件下的腐蚀行为。方法 通过开展TUP纯铜、B10与B30铜合金3种典型的铜及铜合金在淡海水交替、海水及淡水自然环境下2年的暴露试验,将三种环境下材料的腐蚀形貌、腐蚀速率进行对比,总结3种材料在不同水环境下的腐蚀规律,对其腐蚀机理进行简要的探讨,并对其长周期的腐蚀行为进行预测。结果 对TUP纯铜来说,淡海水环境对TUP纯铜的影响是海水环境的1.66倍,对B30铜合金来说,淡海水环境对其影响是海水环境的2.07倍,而对于B10铜合金,淡海水环境是海水环境的2.17倍。结论 从耐蚀性上来看,铜及合金在淡海水交替自然环境下耐蚀性能最差,海水自然环境下次之,在淡水环境下的耐蚀性能最好,自然环境中水的流速越快,会加重铜及合金的腐蚀。
英文摘要:
      Objective To study corrosion behaviors of copper and its alloys in seawater-freshwater alternate circumstance. Methods Three kinds of typical metals, including Tup pure copper, B10 and B30 copper alloys, were exposed in seawater, freshwater and seawater/freshwater alternate circumstance for 2 years to compare the data of corrosion morphology and corrosion rate. The corrosion rules of 3 kinds of metals in different water circumstances were summarized, the corrosion mechanism were discussed, and the long-term corrosion behaviors were also predicted. Results Influences of seawater-freshwater alternate circumstance on Tup pure copper was 1.66 times of that of seawater. Influences of seawater-freshwater alternate circumstance on B30 copper alloy was 2.07 times of that of seawater. Influences of seawater-freshwater alternate circumstance on B10 copper alloy was 2.17 times of that of seawater. Conclusion Sequence of copper and its alloys corrosion resistance is fresh water, seawater and seawater-freshwater alternate circumstance. The corrosion of copper and its alloys are more serious under higher flow velocity of water in natural environment.
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