OUT OF PILE CORROSION RESISTANCE OF NEW ZIRCONIUM ALLOYS IN 500 ℃/10 3MPa STEAM

金属学报(英文版), 1999, 12(5): 974-978.

OUT OF PILE CORROSION RESISTANCE OF NEW ZIRCONIUM ALLOYS IN 500 ℃/10 3MPa STEAM

Z.K. Li 1 , 2) , L.Zhou 1 , 2) , J.Z. Liu 1) , P.Z. Li 1) and W.J. Zhao 3) 1) Northwest Institute for Nonferrous Metal Research , Xi'an 710016 , China 2) Xi'an Jiaotong University , Xi'an 710049 , China 3) Nuclear Power Institute of China , Chengdu 610041 , China M

Keywords： zirconium alloy , null , null , null

he out of pile corrosion resistance of new Zirconium alloys in 500℃/10 3MPa steam has been investigated and the effect of alloying elements, Sn,Nb,Fe,Cr on the property has been analyzed. The results show that the new alloys have better corrosion resistance than Zircaloy 4. That no nodular corrosion is found during test cycles shows the nodular corrosion resistance can be dramatically improved by addition of alloying elements Nb. The Fe/Cr ratio should be properly controlled if there is Cr addition in the alloys when developing new alloys.

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OUT OF PILE CORROSION RESISTANCE OF NEW ZIRCONIUM ALLOYS IN 500 ℃/10 3MPa STEAM

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