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The influence of sea water corrosion on the resistance cracking performance of carbon steel
Wang LM1; Han DP1; Zhang DH2; Li DY3; Geng H1
2013
会议名称13th International Conference on Fracture 2013, ICF 2013
会议日期June 16, 2013 - June 21, 2013
会议地点Beijing, China
会议录名称13th International Conference on Fracture 2013, ICF 2013
页码792-796
摘要As carbon steel immersed in seawater with loading, particularly with defect, its performance lead degradation and reduction in bear capacity. For the specimen of carbon steel immersed in seawater with notch and defects, its macro-mechanical properties was tested and also analyzed with electron microscopy equipment. The fracture behavior of specimen was analyzed in different test conditions, and their bearing capacity was contrast each other for loading before and after soaking. Some relation curves are gotten as the curve of crack tip opening displacement and loading, or relation between loading and the displacement of loading point for specimen before or after soaking in seawater. The specimen with plastic zone of crack-tip was soaked in seawater for short-term, according to the analysis of experimental results, the length of plastic curve between reloading and displacement is become shorter, and the material is more brittle. In the area of meso-analysis, fracture performance of seawater corrosion steel were investigated by electron microscopic observation, and checked the difference of characteristics parameters and meso-morphologies of material specimen. As to plastic, the effect of seawater on carbon steel dislocation and slip were also researched in the paper.
关键词Bearing capacity Crack propagation Crack tips Electron microscopes Seawater corrosion Steel corrosion Characteristics parameters Crack tip opening displacement Cracking performance Elasto plastic Electron microscopic observations Fracture behavior Fracture performance Microscopic analysis
ISBN号9781629933696
收录类别EI
语种英语
文献类型会议论文
条目标识符http://dspace.imech.ac.cn/handle/311007/77988
专题流固耦合系统力学重点实验室
作者单位1.Department of Science, Qingdao Technological University, Qingdao 266033, China;
2.School of Transportation and Vehicle Engineering, Shandong University of Technology, 255049, China;
3.Institute of Mechanics, Chinese Academy of Sciences, Beijing 100190, China
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GB/T 7714
Wang LM,Han DP,Zhang DH,et al. The influence of sea water corrosion on the resistance cracking performance of carbon steel[C],2013:792-796.
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