杨万国,董彩常,亓云飞,吴恒.钛合金海水管路系统材料腐蚀特性研究[J].装备环境工程,2019,16(11):36-39. YANG Wan-guo,DONG Cai-chang,QI Yun-fei,WU Heng.Corrosion Characteristics of Titanium Alloy Seawater Pipeline System Materials[J].Equipment Environmental Engineering,2019,16(11):36-39.
钛合金海水管路系统材料腐蚀特性研究
Corrosion Characteristics of Titanium Alloy Seawater Pipeline System Materials
投稿时间:2019-06-15  修订日期:2019-07-25
DOI:10.7643/issn.1672-9242.2019.11.007
中文关键词:  海水管路体系  铜镍合金  钛合金  腐蚀性能
英文关键词:seawater pipeline system  copper-nickel alloy  titanium alloy  corrosion performance
基金项目:
作者单位
杨万国 青岛钢研纳克检测防护技术有限公司,山东 青岛 266071 
董彩常 青岛钢研纳克检测防护技术有限公司,山东 青岛 266071 
亓云飞 青岛钢研纳克检测防护技术有限公司,山东 青岛 266071 
吴恒 青岛钢研纳克检测防护技术有限公司,山东 青岛 266071 
AuthorInstitution
YANG Wan-guo Qingdao NCS Testing Protection Technology Co., Ltd, Qingdao 266071, China 
DONG Cai-chang Qingdao NCS Testing Protection Technology Co., Ltd, Qingdao 266071, China 
QI Yun-fei Qingdao NCS Testing Protection Technology Co., Ltd, Qingdao 266071, China 
WU Heng Qingdao NCS Testing Protection Technology Co., Ltd, Qingdao 266071, China 
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中文摘要:
      目的 为钛合金海水管路材料体系提供可靠的基础腐蚀性能数据,开展了一系列对比研究试验。方法 筛选铜镍合金与钛合金海水管路体系主体材料各两种,开展海水腐蚀浸泡试验与海水腐蚀电化学试验,来获取两类海水管路体系本征腐蚀性能。结果 钛合金在静态海水浸泡30天没有腐蚀质量损失,自腐蚀电位及稳定电位较正,自腐蚀电流较小,耐腐蚀性较好;铜镍合金在静态海水中浸泡有腐蚀产物及腐蚀质量损失,自腐蚀电位较钛合金负,且自腐蚀电流较大,耐蚀性能较钛合金差。结论 钛合金在海水中有良好的耐蚀性,适合有长寿命要求的大型舰船使用。
英文摘要:
      Objective To conduct a series of comparative research experiments for providing reliable basic corrosion performance data for titanium alloy seawater pipeline material system. Methods Two kinds of main materials of copper-nickel alloy and titanium alloy seawater pipeline system were screened, and seawater corrosion immersion test and seawater corrosion electrochemical test were carried out to obtain the intrinsic corrosion performance of two types of seawater pipeline systems. Results Titanium alloy had no corrosion weight loss after 30 days of static seawater immersion. The self-corrosion potential and stable potential were positive, the self-corrosion current was small, and the corrosion resistance was good. The copper-nickel alloy immersed in static seawater had corrosion products and corrosion weight loss. The self-corrosion potential was lower than that of the titanium alloy, and the self-corrosion current was large, and the corrosion resistance was inferior to that of the titanium alloy. Conclusion Titanium alloy has good corrosion resistance in seawater and is suitable for large ships with long life requirements.
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