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| 环境因素对B10铜镍合金耐蚀性的影响 | |
| 引用本文： | 孙婷婷,李宁,薛建军,张海丽.环境因素对B10铜镍合金耐蚀性的影响[J].装备环境工程,2010,7(4):25-28,35. |
| 作者姓名： | 孙婷婷 李宁 薛建军 张海丽 |
| 作者单位： | 1. 海洋腐蚀与防护国防科技重点实验室,山东,青岛,266071;南京航空航天大学,南京,211100 2. 海洋腐蚀与防护国防科技重点实验室,山东,青岛,266071 3. 南京航空航天大学,南京,211100 |
| 摘 要： | 通过环境扫描电镜、扫描探针显微镜、交流阻抗谱、动电位极化测试,考察了温度、pH值、Cl-含量等因素对B10铜镍合金耐海水腐蚀性能的影响。结果表明,在0～60℃范围内,温度升高,B10腐蚀加速;B10在强碱性环境中的腐蚀受到OH-的抑制;Cl-含量升高阻碍氧化膜的生成,降低B10的耐蚀性;海水流速高于3 m/s后,B10耐冲刷腐蚀的能力急剧降低,且含砂海水的冲刷对该材料的破坏作用更为显著。 |
| 关 键 词： | B10铜镍合金 温度 pH Cl-含量 流速 |
Effect of Environment Factors on Corrosion Behavior of 90-10 Cu-Ni Alloy in Seawater |
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| SUN Ting-ting,LI Ning,XUE Jian-jun,ZHANG Hai-li.Effect of Environment Factors on Corrosion Behavior of 90-10 Cu-Ni Alloy in Seawater[J].Equipment Environmental Engineering,2010,7(4):25-28,35. | |
| Authors: | SUN Ting-ting LI Ning XUE Jian-jun ZHANG Hai-li |
| Institution: | (State Key Laboratory for Marine Corrosion and Protection, Qingdao 266071, China; 2. Nanjing University of Aeronautics and Astronautics, Nanjing 211100, China) |
| Abstract: | Abstract： The effect of different factors on corrosion behavior of 90-10 Cu-Ni alloy in seawater was investigated by electrochemical impedance spectroscopy, potentiodynamic polarization, corrosion rate and morphology of 90-10 Cu-Ni alloy. The result showed that with the raising of temperature, the corrosion rate of 90-10 Cu-Ni alloy accelerated; the corrosion reaction of 90-10 Cu-Ni alloy occurred slowly in strong basic aqueous seawater; the existence of generous CF impeded the form of the oxidation film, accelerated the corrosion rate. The existence of grit could accelerate the corrosion of 90-10 Cu-Ni alloy also. |
| Keywords: | pH |
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