| 时效时间对挤压Mg-10Gd-4.8Y-0.6Zr合金腐蚀性能的影响(英文) |
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| 引用本文： | 李慧中,刘洪挺,郭菲菲,王海军,梁霄鹏,刘楚明. 时效时间对挤压Mg-10Gd-4.8Y-0.6Zr合金腐蚀性能的影响(英文)[J]. 中国有色金属学会会刊, 2011, 0(7): 1498-1505 |
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| 作者姓名： | 李慧中 刘洪挺 郭菲菲 王海军 梁霄鹏 刘楚明 |
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| 作者单位： | 中南大学材料科学与工程学院;中南大学粉末冶金国家重点实验室;中南大学有色金属材料科学与工程教育部重点实验室; |
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| 基金项目： | Project(51074186) supported by the National Natural Science Foundation of China |
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| 摘 要： | 采用浸泡实验和电化学分析,探讨时效过程中挤压Mg-10Gd-4.8Y-0.6Zr合金的腐蚀行为。结果表明:合金的腐蚀速率随着时效时间的延长而逐渐减小;合金抗腐蚀性能随着时效析出相的长大、粗化而逐渐提高;开路电位随着时效时间的延长而逐渐变正。由极化曲线可知,在时效处理中,阴极电位和阳极电流的平稳期发生改变,阴极电位随着时效时间的延长而增加(抑制效应),而阳极电流的平稳期随着时效时间的延长而降低(催化效应)。
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| 关 键 词： | Mg-10Gd-4.8Y-0.6Zr合金 腐蚀行为 时效时间 |
Effect of ageing time on corrosion behavior of Mg-10Gd-4.8Y-0.6Zr extruded-alloy |
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| LI Hui-zhong,,,LIU Hong-ting,GUO Fei-fei,WANG Hai-jun,LIANG Xiao-peng,LIU Chu-ming .School of Materials Science , Engineering,Central South University,Changsha ,China,.State Key Laboratory of Powder Metallurgy,.Key Laboratory of Nonferrous Metal Materials Science , Engineering of Ministry of Education. Effect of ageing time on corrosion behavior of Mg-10Gd-4.8Y-0.6Zr extruded-alloy[J]. Transactions of Nonferrous Metals Society of China, 2011, 0(7): 1498-1505 |
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| Authors: | LI Hui-zhong LIU Hong-ting GUO Fei-fei WANG Hai-jun LIANG Xiao-peng LIU Chu-ming .School of Materials Science Engineering Central South University Changsha China .State Key Laboratory of Powder Metallurgy .Key Laboratory of Nonferrous Metal Materials Science Engineering of Ministry of Education |
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| Affiliation: | LI Hui-zhong1,2,3,LIU Hong-ting1,GUO Fei-fei1,WANG Hai-jun1,LIANG Xiao-peng1,LIU Chu-ming1 1.School of Materials Science and Engineering,Central South University,Changsha 410083,China,2.State Key Laboratory of Powder Metallurgy,3.Key Laboratory of Nonferrous Metal Materials Science and Engineering of Ministry of Education |
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| Abstract: | The corrosion behaviors of Mg-10Gd-4.8Y-0.6Zr extruded-alloys with various ageing time were investigated by immersion test and electrochemical measurements.The results show that the corrosion rate of the experimental alloy decreases with the increase of ageing time from 0 to 108 h.The corrosion resistance of the experimental alloy was found to increase with the increase of the size of the precipitate phases.The open circuit potential of the experimental alloy increases with the increase of the ageing time.T... |
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| Keywords: | Mg-10Gd-4.8Y-0.6Zr alloy corrosion behavior ageing time |
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