| 孔小东,田志强,林育峰.微观组织对铜合金腐蚀性能的影响[J].装备环境工程,2015,12(6):1-9. KONG Xiao-dong,TIAN Zhi-qiang,LIN Yu-feng.Effect of Microstructure on Corrosion Behaviour of Cu-alloys[J].Equipment Environmental Engineering,2015,12(6):1-9. |
| 微观组织对铜合金腐蚀性能的影响 |
| Effect of Microstructure on Corrosion Behaviour of Cu-alloys |
| 投稿时间：2015-08-26 修订日期：2015-12-15 |
| DOI：10.7643/issn.1672-9242.2015.06.001 |
| 中文关键词: 铜合金 线性极化 交流阻抗 海水腐蚀 微观分析 |
| 英文关键词:copper alloys linear polarization electrochemical impedance corrosion in seawater microscopic analysis |
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| 中文摘要: |
| 目的 研究T2， TuP， B10， H62等铜合金在模拟海水中的腐蚀行为， 重点探讨微观组织与夹杂物对腐蚀特征的影响。方法 采用线性极化、 电化学阻抗、 挂片试验和微观分析等测试手段。结果 比较四种铜合金的腐蚀速度、 点蚀倾向， 得到铜合金腐蚀性能差异的原因。结论 H62， B10的腐蚀速度小于T2， TuP； H62， B10的点蚀倾向性明显大于T2， TuP； 不同铜合金的微观组织及夹杂物差异是铜合金腐蚀性能不同的重要原因。 |
| 英文摘要: |
| Objective To study the corrosion behaviors of T2, TuP, B10, H62 alloys in seawater, focusing on influences of micro structure and occluded materials on corrosion characteristics. Methods Certain tests were used such as immersion，linear polarization，electrochemical impedance and microstructure analysis. Results The corrosion velocity and pitting susceptibility were compared and analysized for the four Cu-alloys; and the causes for differneces in corrosivity of Cu-alloys were obtained. Conclusion The mean corrosion velocity of B10 and H62 was smaller than that of T2 and TuP; and the pitting susceptibility of B10 and H62 was more than that of T2 and TuP. The corrosivity of different copper alloys was different because of their different microstructures and inclusions. |
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