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金属学报  1994, Vol. 30 Issue (16): 165-168    
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工业纯Al的缝隙腐蚀再钝化电位
梁成浩
大连理工大学
REPASSIVATION POTENTIAL FOR CREVICE CORROSION OF COMMERCIALLY PURE ALUMINUM
LIANG Chenghao(Dalian University of Technology)(Manuscript received 23 June;1993;in revised form 23 September;1993)
引用本文:

梁成浩. 工业纯Al的缝隙腐蚀再钝化电位[J]. 金属学报, 1994, 30(16): 165-168.
. REPASSIVATION POTENTIAL FOR CREVICE CORROSION OF COMMERCIALLY PURE ALUMINUM[J]. Acta Metall Sin, 1994, 30(16): 165-168.

全文: PDF(237 KB)  
摘要: 工业纯Al的缝隙腐蚀再钝化电位ER是缝隙结构的特征值,与缝隙腐蚀下限电位VCREV一致,比孔蚀电位负约100mV,说明缝隙腐蚀更易发生.
关键词 工业纯Al缝隙腐蚀再钝化电位孔蚀电位    
Abstract:The repassivation potential for crevice corrosion(ER) of commercially pure Al was measured successfully using the method developed for stainless steels.The ER is a characteristic value depending on the geometry of the crevice configuration.The ER coincides with that lower limit of critical potential VCREV for crevice corrosion.The results showed that ER of commercially pure Al was less noble than the pitting potential by 100 mV,confirming that crevice corrosion is the more easily occurring type even in commercially pure Al.Correspondent:LIANG Chenghao,associate professor,(Dalian University of Technology,Dalian 116012)
Key wordscommercially pure aluminum    repassivation potential crevice corrosion    pitting poteneial
    
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