| 20G钢焊接接头组织对其电化学行为的影响 |
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| 引用本文： | 张晓燕,张德恩.20G钢焊接接头组织对其电化学行为的影响[J].贵州工业大学学报(自然科学版),2004,33(2):73-75. |
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| 作者姓名： | 张晓燕 张德恩 |
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| 作者单位： | 贵州工业大学冶金工程系,贵州,贵阳,550003 |
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| 基金项目： | 贵州工业大学科研基金课题(2003) |
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| 摘 要： | 分析了20G钢焊接接头的显微组织，并在33％NaOH溶液中测定了焊接接头的焊缝中心、热影响区、基体的阳极极化曲线，结果表明，20G钢捍接接头热影响区由于晶粒粗大、组织形态及成分不均匀，导致该区域成为20G钢焊接接头应力腐蚀断裂最敏感区域。
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| 关 键 词： | 20G钢 应力腐蚀断裂 焊接接头 极化曲线 显微组织 电化学行为 |
| 文章编号： | 1009-0193(2004)02-0073-03 |
| 修稿时间： | 2003年12月30 |
Effect of the Microstructure on the Electrochemical Behavior of Welding Joint of 20G Steel |
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| Welding Joint of G Steel ZHANG Xiao-yan,ZHANG De-en.Effect of the Microstructure on the Electrochemical Behavior of Welding Joint of 20G Steel[J].Journal of Guizhou University of Technology(Natural Science Edition),2004,33(2):73-75. |
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| Authors: | Welding Joint of G Steel ZHANG Xiao-yan ZHANG De-en |
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| Affiliation: | Welding Joint of 20G Steel ZHANG Xiao-yan,ZHANG De-en |
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| Abstract: | In the paper,the microstructure of welding joint of 20G Steel were analyses,and the anodic polarization curves of its welding seams,welding HAZ and base in 33% NaOH solution were measured.The results show that the welding HAZ was most sensitive to stress corrosion cracking (SCC) owing to wide grain,uneven microstructure and chemical composition. |
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| Keywords: | 20G steel SCC welding joint anodic polarization curves microstructure |
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