Corrosion Behavior of 45#Steel in Hydrogen Sulfide Solutions
摘 要
为了解硫化氢对金属材料造成的腐蚀和氢脆的影响,探索硫化氢的腐蚀机理,将45号钢在不同浓度H2S溶液、不同时间浸泡后,采用硬度试验的方法,对材料的硬度变化情况、腐蚀层厚度、渗透层厚度以及氢脆影响层厚度的变化情况进行了研究。结果表明,45号钢经受H2S腐蚀后的硬度会随着材料的层深而呈现先上升、后下降直至恢复到原始硬度的趋势;H2S溶液浸泡对中碳钢产生了腐蚀和氢脆两种影响,材料经48h浸泡后受到H2S氢脆效应的影响最显著,经96h浸泡后受到的腐蚀影响最显著。
Abstract
In order to study the influence of hydrogen sulfide on corrosion and hydrogen embrittlement and to explorethe corrosion mechanism in hydrogen sulfide environments,45#steel was immersed in solutions containing differentconcentrations of H2S for various hours.The changes of the hardness,the thickness of the corroded layer,thethickness of the permeation layer and the thickness of the layer affected by hydrogen embrittlement were studied.Theresults show that the hardness of the specimen first increased and then decreased until it was restored to the originalhardness after the material subjected to the corrosion of hydrogen sulfide.Solution containing H2S can induce twoeffects of corrosion and hydrogen embrittlement.It was found that the effect of the H2S hydrogen embrittlement wasthe most significant after 48himmersion,and the effect of the corrosion was the most significant after 96 himmersion.
中图分类号 TG174.3+1 O341 TG115.5+1
所属栏目 试验研究
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收稿日期 2013/1/7
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联系人作者翟建明(jmzhai@163.com)
备注翟建明,博士研究生,
引用该论文: ZHAI Jian-ming,LI Xiao-yang,WU Ming-yao,ZHANG Yi-liang. Corrosion Behavior of 45#Steel in Hydrogen Sulfide Solutions[J]. Corrosion & Protection, 2013, 34(11): 1013
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【7】顾宝兰,徐学东,周莉.管线用钢显微组织对氢致裂纹影响的研究[J].理化检验-物理分册,2006,42(1):8-11.
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【10】赵颖,王荣.X70管线钢电化学充氢后的力学行为研究[J].中国腐蚀与防护学报,2004,24(5):293-296.
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