| 坡莫合金在中性氯离子溶液中的腐蚀行为 |
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| 引用本文： | 白江虎,李具仓,唐浩亮,马敏敏. 坡莫合金在中性氯离子溶液中的腐蚀行为[J]. 金属功能材料, 2021, 28(1): 25-30. DOI: 10.13228/j.boyuan.issn1005-8192.202000008 |
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| 作者姓名： | 白江虎 李具仓 唐浩亮 马敏敏 |
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| 作者单位： | 酒钢宏兴股份公司嘉峪关天源新材料有限责任公司,甘肃嘉峪关735100;酒钢宏兴股份公司嘉峪关天源新材料有限责任公司,甘肃嘉峪关735100;酒钢宏兴股份公司嘉峪关天源新材料有限责任公司,甘肃嘉峪关735100;酒钢集团技术中心中心试验室,甘肃嘉峪关735100 |
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| 基金项目： | 嘉峪关市科技计划嘉峪关市科技重大专项《功能性复合板产品开发》资助 |
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| 摘 要： | 针对金属薄膜复合板的金属膜选材问题,采用电子探针、金相显微镜研究了坡莫合金膜的成分、显微组织,利用电化学技术,辅以浸泡法研究了坡莫合金在浓度为2.4 mol/L的中性氯化钠溶液中的电化学腐蚀行为,利用SEM和EDS研究了腐蚀产物和腐蚀形貌,结果表明:坡莫合金膜晶粒度8级,组织为奥氏体,腐蚀类型为局部腐蚀,主要表现为晶间...
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| 关 键 词： | 坡莫合金 氯化钠腐蚀液 极化曲线 交流阻抗 腐蚀行为 晶间腐蚀 |
Corrosion behavior of permalloy in Cl- sodium chloride solution |
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| BAI Jianghu,LI Jucang,TANG Haoliang,MA Minmin. Corrosion behavior of permalloy in Cl- sodium chloride solution[J]. Metallic Functional Materials, 2021, 28(1): 25-30. DOI: 10.13228/j.boyuan.issn1005-8192.202000008 |
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| Authors: | BAI Jianghu LI Jucang TANG Haoliang MA Minmin |
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| Affiliation: | (Jiuquan Iron and Steel Hongxing Stock Company,Jiayuguan Tianyuan New Materials Co.,Ltd.,Jiayuguan 735100,Gansu,China;Jiuquan Iron and Steel Company,Central Laboratory of Technology Center,Jiayuguan 735100,Gansu,China) |
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| Abstract: | In order to tackle the problem of material selection for metal film composite plates,the composition and microstructure of the pomeranian alloy film were studied by means of electron probe and autobiographic microscope.Electrochemical corrosion behavior of permalloy in neutral sodium chloride solution with a concentration of 2.4 mol/L was considered by electrochemical technology and immersion method.Corrosion products and corrosion morphology were examined using SEM and EDS.The results showed that pomerone alloy film grain size was grade 8,the tissue was austenite.The corrosion types were local corrosion,mainly intercrystalline corrosion and point corrosion,and the corrosion rate was controlled at 10-7 to 10-6 A/cm2.Corrosion film and obvious passivation film was not found,and the corrosion resistance was good.With the extension of time,the corrosion behavior and corrosion mechanism were not intended to change. |
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| Keywords: | permalloy sodium chloride corrosion solution polarization curve AC impedance corrosion behavior intergranular corrosion |
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