Corrosion Resistance of Zr-1Nb Alloy in Lithium Hydroxide Aqueous Solution

Corrosion Resistance of Zr-1Nb Alloy in Lithium Hydroxide Aqueous Solution

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摘要 The corrosion resistance of Zr-1Nb alloy was compared with that of Zr-Sn-Nb-Fe and Zr-4 alloys, and the effect of hydrochemistry on the corrosion resistance of Zr-1Nb alloy was discussed. Experimental results show that niobium oxide is partly soluble in LiOH aqueous solution. Therefore, when Zr-1Nb alloy is corroded in LiOH aqueous solution, a soluble niobate produced by the reaction between the corrosion products of beta -Nb particles and LiOH results in the formation of pores in the zirconium oxide films and causes the degradation of the corrosion resistance of Zr-1Nb alloy tested in LiOH aqueous solution. The corrosion resistance of Zr-1Nb alloy was compared with that of Zr-Sn-Nb-Fe and Zr-4 alloys, and the effect of hydrochemistry on the corrosion resistance of Zr-1Nb alloy was discussed. Experimental results show that niobium oxide is partly soluble in LiOH aqueous solution. Therefore, when Zr-1Nb alloy is corroded in LiOH aqueous solution, a soluble niobate produced by the reaction between the corrosion products of beta -Nb particles and LiOH results in the formation of pores in the zirconium oxide films and causes the degradation of the corrosion resistance of Zr-1Nb alloy tested in LiOH aqueous solution.

作者 Wenqing Liu, Bangxin Zhou, Qiang Li (Materials Institute, Shanghai University, Shanghai 200072, China)

出处《Rare Metals》 SCIE EI CAS CSCD 2001年第2期78-80,共3页 稀有金属（英文版）

关键词 Zr-1Nb alloys beta-niobium corrosion resistance Zr-1Nb alloys beta-niobium corrosion resistance

分类号 TG146.2 [金属学及工艺—金属材料]

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Corrosion Resistance of Zr-1Nb Alloy in Lithium Hydroxide Aqueous Solution

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