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 tha...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.展开更多
文摘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.
