| Effect of borate coating on corrosion resistance of pure nickel in molten LiCl-Li2O |
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| 作者姓名： | 刘瑞岩 王旭 张俊善 王秀敏 祝美丽 |
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| 作者单位： | Department of Materials Engineering，Dalian University of Technology，Department of Materials Engineering，Dalian University of Technology，Department of Materials Engineering，Dalian University of Technology，Department of Materials Engineering，Dalian University of Technology，Department of Materials Engineering，Dalian University of Technology Dalian 116024，China，Dalian 116024，China，Dalian 116024，China，Dalian 116024，China，Dalian 116024，China |
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| 基金项目： | Project (KAERI2 40 0 )supportedbyKoreaAtomicEnergyResearchInstitute |
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| 摘 要： | 1 INTRODUCTIONAttheendofthetwentiethcentury ,alithiumreductiontechniquewasdevelopedtodisposeofnucle arfuel(UO2 )used1] .Inthis process ,theoxide(UO2 )isreducedtothemetallicform(U)byreactionwithlithiumdissolvedinmoltenLiClat 75 0℃ .Thetechniquecaneffectivelyreducethevolumeandradia tionofspentnuclearfuel,whichisconvenienttostoreandmanage .Unfortunately ,thecontainmentmaterialsusedinthetechniqueundertakeseverecor rosionowingtothestrongbasicoxideLi2 OformedanddissolvedinmoltenLiCl.Sev…
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| 关 键 词： | 熔盐腐蚀 纯镍 渗硼 涂层 腐蚀抗力 |
Effect of borate coating on corrosion resistance of pure nickel in molten LiCl-Li2O |
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| LIU Rui yan,WANG Xu,ZHANG Jun shan,WANG Xiu min,ZHU Mei Li.Effect of borate coating on corrosion resistance of pure nickel in molten LiCl-Li2O[J].Transactions of Nonferrous Metals Society of China,2004,14(1):143-147. |
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| Authors: | LIU Rui yan WANG Xu ZHANG Jun shan WANG Xiu min ZHU Mei Li |
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| Abstract: | The pack boriding process was used to treat pure nickel at a boriding temperature of 950 ℃ for a boriding time of 5 h. A dense and continuous borided layer with 40 μm thickness was obtained on pure nickel. Corrosion behavior of the borided layer was investigated in molten LiCl-10% Li2O(mass fraction) at 750 ℃ in air. The mass lower than that of unborided pure nickel. The preferential corrosion of B in borided layer effectively prevents the corrosion of nickel, which improves the corrosion resistance of pure nickel in molten LiCl-Li2 O. |
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| Keywords: | pure nickel borided nickel molten LiCl-Li2O corrosion |
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