التفاصيل البيبلوغرافية
| العنوان: |
镁合金直接化学镀Ni-B镀层的腐蚀电化学行为研究 ; CORROSION ELECTROCHEMICAL BEHAVIOR of Ni-B COATING ON MAGNESIUM ALLOY AZ91D PREPARED BY DIRECTLY ELECTROLESS PLATING |
| المؤلفون: |
彭淑合, 贾飞, 唐毅, 王周成 |
| سنة النشر: |
2009 |
| المجموعة: |
Xiamen University Institutional Repository |
| مصطلحات موضوعية: |
镁合金, 化学镀, Ni-B镀层, 腐蚀电化学行为, magnesium alloys, electroless plating, Ni-B coating, corrosion electrochemical behavior |
| الوصف: |
研究了镁合金表面化学镀nI-b合金的电化学行为,采用电化学动电位扫描极化曲线和交流阻抗研究了nI-b镀层的腐蚀电化学行为,结果表明,nI-b镀层在3.5%nACl溶液中具有优良的耐蚀性能.所得nI-b镀层的自腐蚀电位在-400MV左右,相对于基体-1460MV提高了1000MV,自腐蚀电流密度小于0.7μA/CM2,相对于基体28.5μA/CM2降低了近两个数量级,说明nI-b镀层能够有效地提高Az91d镁合金的耐腐蚀性能,使Az91d镁合金在3.5%nACl溶液腐蚀介质中的腐蚀速度明显降低.电化学交流阻抗测试结果符合极化曲线的测量结果,化学镀nI-b镀层后的Az91d镁合金在3.5%nACl溶液中的阻抗值相对于基体提高两个数量级,表现为自腐蚀电流降低,阻抗值相应提高. ; Corrosion electrochemical behavior of a directly electroless-plated Ni-B coating on magnesium alloy was investigated by means of potentiodynamic and electrochemical impendence spectroscopy(EIS).The results indicated that the corrosion resistance of the coating was excellent in 3.5% sodium chloride solution.The corrosion potential was around-400 mV and the current density was less than 0.5 μA/cm2,which exhibits that the coating can significantly enhance the corrosion resistance of the substrate. |
| نوع الوثيقة: |
article in journal/newspaper |
| اللغة: |
Chinese |
| تدمد: |
1002-6495 |
| العلاقة: |
腐蚀科学与防护技术,2009,(2):118-120; FSFJ200902040; http://dspace.xmu.edu.cn/handle/2288/106221Test |
| الإتاحة: |
http://dspace.xmu.edu.cn/handle/2288/106221Test |
| رقم الانضمام: |
edsbas.D72B250D |
| قاعدة البيانات: |
BASE |
