Zr1Nb_Zr-4焊缝与Zr1Nb_Zr1Nb焊缝的力学性能和耐腐蚀性能对比研究.pdfVIP

2023年第52卷第23期热加工工艺ISSN1001-3814

Vol.52No.232023HotWorkingCN61-1133/TG

Technology

引用格式：钟多军，陈耀，何君.Zr1Nb/Zr-4焊缝与Zr1Nb/Zr1Nb焊缝的力学性能和耐腐蚀性能对比研究[J].热加工2023,52(23):50-54.

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Zr1Nb/Zr-4焊缝与Zr1Nb/Zr1Nb焊缝的

力学性能和耐腐蚀性能对比研究

钟多军，陈耀，何君

644000)

（中核建中核燃料元件有限公司，四川宜宾6

摘要：分别采用Zr-4和Zr1Nb两种合金作为Zr1Nb包壳的端塞材料，用钨极气体保护焊对包壳和端塞进行焊

接。用常温爆破和显微硬度测试方法对比研究了两种焊缝的力学性能，用360℃均匀水腐蚀和400℃高温蒸汽腐蚀对比

研究了两种焊缝的耐腐蚀性能。结果表明：两种焊缝的力学性能相当,Zr1Nb/Zr-4焊缝的耐腐蚀性能优于Zr1Nb/Zr1Nb

焊缝的耐腐蚀性能。

关键词：Zr1Nb合金；Zr-4合金；焊缝；力学性能；耐腐蚀性能

中图分类号：TG406;TG146.4+14文献标识码：A

ComparativeStudyonMechanicalPropertyandCorrosionResistance

ofZr1Nb/Zr-4WeldandZr1Nb/Zr1NbWeld

ZHONGDuojun,CHENYao,HEJun

(CNNCJianzhongNuclearFuelCo.,Ltd.,Yibin644000,China)

Abstract:Zr-4andZriNballoyswereusedasthematerialofendplugforZr1Nbcladding,respectively,andtheendplug

andthecladdingwereweldedusingtungstenarcinertgasweldingtechnique.Comparativestudyofmechanicalpropertiesof

thebothweldswasconductedusingthenormaltemperaturebursttestmethodandmicrohardnesstestmethod,andthe

corrosionresistanceofthebothweldswasstudiedusingthecorrosiontestsinwaterat360°Candinsteamat400°C.Theresult

showsthatthemechanicalpropertiesofthebothweldsareequivalentandthecorrosionresistance