铁基非晶及纳米晶合金在NaOH溶液中的耐蚀性比较
The Comparision of Corrosion Resistance of Amorphous and Nanocrystalline Fe-based Alloys in NaOH Solutions
摘 要
冶炼制备了纳米晶Fe73.5Si13.5B9Nb3Cu1和非晶带材Fe78Si13B9.在电化学工作站上测试了两种合金在不同浓度的NaOH碱溶液里的极化曲线.随着NaOH溶液浓度的不同,非晶Fe78Si13B9和纳米晶Fe73.5Si13.5B9Nb3Cu1合金极化曲线具有相似的变化规律,且纳米晶合金比非晶合金的腐蚀电位要高,耐腐蚀性要好.
纳米晶
耐腐蚀性能
腐蚀行为
amorphous
nanocrystalline
corrosion resistance
corrosion behavior
Abstract
The electrochemical corrosion behavior of Fe78Si13B9 amorphous and Fe73.5Si13.5B9Nb3Cu1 nanocrystallized alloys have been performed by linear polarization method in different concentrations of NaOH solutions.The results showed that both amorphous Fe78Si13B9 alloy and nanocrystallized Fe73.5Si13.5B9Nb3Cu1 alloy had similar change rules with variety of NaOH solution concentration,and nanocrystalline alloys have a higher corrosion resistance than amorphous alloys in NaOH solutions.
中图分类号 TG172.6 TG139+.8
所属栏目 应用技术
基金项目 上海市科研计划项目资助课题(0752nm004)
收稿日期 2008/10/31
修改稿日期 2008/11/12
网络出版日期
作者单位点击查看
备注李翔,博士.
引用该论文: LI Xiang,YAN Biao,DONG Gang,ZHAO Shen-qiang. The Comparision of Corrosion Resistance of Amorphous and Nanocrystalline Fe-based Alloys in NaOH Solutions[J]. Corrosion & Protection, 2009, 30(11): 848～849
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参考文献
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【3】向兴华,穆晓冬,李建三.Fe基非晶合金涂层的磨损与电化学腐蚀特征[J].材料热处理学报,2003,24:59-62.
【4】Pardo A,Otero E,Merino M C,et al.The influence of Cr addition on the corrosion resistance of Fe73.5Si13.5B9Nb3Cu1 metallic glass in marine environments[J].Corrosion Science,2002,44:1193-1211.
【5】Souza C A C,May J E,Carlos I A,et al.Influence of the corrosion on the saturation magnetic density of amorphous and nanocrystalline Fe73Nb3Si15.5B7.5Cu1 and Fe80Zr3.5Nb3.5B12Cu1 alloys[J].Journal of Non-Crystalline Solids,2002,304:210-216.
【6】Cremaschi V,Avram I,Sirkin H,et al.Electrochemical studies of amorphous,nanocrystalline,and crystalline FeSiB based alloys[J].Scripta Materialia,2002,46:95-100.
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