Insights into the intergranular corrosion of overlay welded joints of X65-Inconel 625 clad pipe and its relationship to damage penetration

•IGC resistance of the welded joint decreased as the position of the specimen approached to the X65 side.•Corrosion in the HAZ penetrated along the grain boundaries.•Nb and Mo affected the penetration of inter-dendritic corrosion in BM.•Pitting in the BM became deeper and evolved into inter-dendriti...

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Veröffentlicht in:Corrosion science 2019-11, Vol.160, p.108169, Article 108169
Hauptverfasser: Xu, Lianyong, Zhang, Jianyang, Han, Yongdian, Zhao, Lei, Jing, Hongyang
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Sprache:eng
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