| 广铁管内钢轨的腐蚀机理探讨 |
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| 引用本文： | 罗虞霞,张志伟,郭吉安,郑峰.广铁管内钢轨的腐蚀机理探讨[J].铁道科学与工程学报,2011,8(3):78-83. |
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| 作者姓名： | 罗虞霞 张志伟 郭吉安 郑峰 |
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| 作者单位： | 1. 中南大学材料科学与工程学院,湖南长沙,410083
2. 广州铁路(集团)公司,广东广州,510088 |
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| 基金项目： | 铁道部科技研究开发计划项目(2009G018-A) |
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| 摘 要： | 针对广铁集团管内大瑶山隧道、株洲北站等几个主要工段钢轨腐蚀伤损现象,对钢轨的腐蚀因素进行分析.分别采用腐蚀速率计算、硬度检测、XRD物相分析和SEM形貌观察等方法,结合钢铁的大气腐蚀规律和当地大气数据,探讨了钢轨腐蚀机理.研究结果表明:钢轨腐蚀的主要形式是伴随着机械和疲劳损伤出现的局部腐蚀,潮湿的空气、温差、降雨、大气...
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| 关 键 词： | 钢轨 机械疲劳损伤 大气腐蚀 运输安全 |
Analysis on corrosion mechanism for railways of Guangzhou Railway(Group) company |
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| LUO Yu-xiat
,
ZHANG Zhi-wei
,
GUO Ji'an
,
ZHENG Feng.Analysis on corrosion mechanism for railways of Guangzhou Railway(Group) company[J].Journal of Railway Science and Engineering,2011,8(3):78-83. |
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| Authors: | LUO Yu-xiat ZHANG Zhi-wei GUO Ji'an ZHENG Feng |
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| Institution: | LUO Yu-xia1,ZHANG Zhi-wei2,GUO Ji'an2,ZHENG Feng1(1.School of Materials Science & Engineering,Central South University,Changsha 410083,China,2.Guangzhou Railway(Group) Company,Guangzhou 510088,China) |
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| Abstract: | According to the damages caused by corrosion from DaoYaoShan Tunnel,ZhuZhou north station and etc.,which all affiliated to Guangzhou Railway(Group) company,factors of rail corrosion were investigated.The corrosion mechanism was studied through calculation of corrosion rates,detection of hardness,X-ray diffraction analysis and morphology image observation by SEM respectively.The result indlicates that there are mainly two forms of rail corrosion.One is the uniform corrosion of faces and waists as well as fix... |
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| Keywords: | rail steel mechanical and fatigue damage atmospheric corrosion transport safety |
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