| 不锈钢管道在海水中的腐蚀研究 |
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| 引用本文： | 梁军,张海兵,刘广义,闫永贵.不锈钢管道在海水中的腐蚀研究[J].材料开发与应用,2014(5):32-39. |
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| 作者姓名： | 梁军 张海兵 刘广义 闫永贵 |
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| 作者单位： | 中国人民解放军装备部;中国船舶重工集团公司第七二五研究所青岛分部,海洋腐蚀与防护重点实验室 |
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| 摘 要： | 采用失重分析和电偶腐蚀测试等方法研究了气田立管采用的316L／625复合管材料在海水中的腐蚀情况，结果表明，复合管316L不锈钢和625合金在10℃海水中浸泡3个月后，平均腐蚀速率均低于0．01mm／a，而焊接接头处的腐蚀速率较大，为0．015mm／a，电偶腐蚀对316L不锈钢的影响不大，电偶腐蚀系数不超过130％。
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| 关 键 词： | 不锈钢 复合管 海水 腐蚀 |
Study on the Corrosion of 316L/625 Composite Tubes in Seawater |
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| LIANG Jun;ZHANG Hai-bing;LIU Guang-yi;YAN Yong-gui.Study on the Corrosion of 316L/625 Composite Tubes in Seawater[J].Development and Application of Materials,2014(5):32-39. |
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| Authors: | LIANG Jun;ZHANG Hai-bing;LIU Guang-yi;YAN Yong-gui |
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| Affiliation: | LIANG Jun;ZHANG Hai-bing;LIU Guang-yi;YAN Yong-gui;Equipment Department of the Navy;State Key Laboratory for Marine Corrosion and Protection,Qingdao Branch of Luoyang Ship Material Research Institute; |
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| Abstract: | Mass loss and galvanic corrosion tests were used to investigate the corrosion behavior of the 316L/625 composite tube in seawater. The results showed that the mean corrosion rate of the 316L and 625 alloy were less than 0. 01 mm/a after 3 months of immersion, and the corrosion rate of the welding joint was 0. 015 mm/a. The 316L stainless steel was not sensitive to galvanic corrosion, the galvanic corrosion factor was less than 130%. |
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| Keywords: | stainless steel composite tube seawater corrosion |
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