含氮Fe-Mn合金的阻尼性能和抗腐蚀性能
EFFECT OF NITROGEN ON DAMPING AND CORROSIVE PROPERTIES OF Fe-Mn ALLOYS
摘 要
通过内耗检测技术研究了氮对Fe-14.1Mn和Fe-16.5Mn合金阻尼性能及对Fe-Mn系合金相组成和抗腐蚀性能的影响.结果表明：Fe-14.1Mn比Fe-16.5Mn合金具有更高的阻尼性能；合金中加入质量分数为0.2%的氮,两种合金的阻尼性能略有改变,合金在固溶处理时,发生了γ-ε转变,转变生成的马氏体越多,合金的阻尼性能越好；并且含氮合金在1mol/L硫酸水溶液中的抗腐蚀性能提高2倍.
阻尼性能
氮
ε马氏体
腐蚀
Fe-Mn alloy
Damping capacity
Nitrogen
ε-martensite
Corrosion
Abstract
The influence of nitrogen on the damping capacity of Fe-14.1Mn and Fe-16.5Mn alloys was studied using amplitude-dependent internal friction technique.The effect of nitrogen on phase constitution,mechanical properties and corrosion resistance was investigated.The Fe-14.1Mn alloy possessed a much higher level of damping capacity than the Fe-16.5Mn alloy.The addition of approximately 0.2 wt.% of nitrogen slightly affected the damping capacity of the Fe-14.1Mn alloy and increased the damping capacity in the Fe-16.5Mn alloy.The more austenite converted to martensite,the better damping capacity was obtained after heat treatment.The corrosion resistance of both alloys in 1mol/L sulphuric acid solution was improved by more than two times due to nitrogen alloying.
中图分类号 TG135+.7 TG174.2
所属栏目 试验研究
基金项目
收稿日期 2006/3/8
修改稿日期 2006/5/18
网络出版日期
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引用该论文: YU Xue-yong,HUA Zheng-xiao,CHENG feng-jun,LI-Ning,DONG Shou-jun. EFFECT OF NITROGEN ON DAMPING AND CORROSIVE PROPERTIES OF Fe-Mn ALLOYS[J]. Corrosion & Protection, 2006, 27(12): 614～616
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参考文献
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