Effect of hydrogen on the surface properties and cracking behavior of Ti-6Al-3Nb-2Zr-1Mo alloy welded joint

IF 7.4 1区 材料科学 Q1 MATERIALS SCIENCE, MULTIDISCIPLINARY Corrosion Science Pub Date : 2025-02-28 DOI:10.1016/j.corsci.2025.112837
Changsheng Liu , Liwei Wang , Yuxue Wang , Huiyun Tian , Zhongyu Cui
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Abstract

The effect of hydrogen charging on the electrochemical behavior, surface properties, and the cracking processes of Ti-6Al-3Nb-2Zr-1Mo (Ti80) alloy base metal and welded joint is investigated. Hydrogen promotes the deterioration of the Ti80 including the destruction of the passive film, formation of the hydrides, initiation of the cracks, and decrease of the mechanical properties. The weld metal show much higher susceptibility to hydrogen because of the finer grains with lamellar structure. Hydrogen embrittlement mechanism differs from the hydrogen introducing approach. The hydrides, internal hydrogen, and hydrogen-stress interaction play different roles in the hydrogen damage process of the Ti80 alloy.
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来源期刊
Corrosion Science
Corrosion Science 工程技术-材料科学:综合
CiteScore
13.60
自引率
18.10%
发文量
763
审稿时长
46 days
期刊介绍: Corrosion occurrence and its practical control encompass a vast array of scientific knowledge. Corrosion Science endeavors to serve as the conduit for the exchange of ideas, developments, and research across all facets of this field, encompassing both metallic and non-metallic corrosion. The scope of this international journal is broad and inclusive. Published papers span from highly theoretical inquiries to essentially practical applications, covering diverse areas such as high-temperature oxidation, passivity, anodic oxidation, biochemical corrosion, stress corrosion cracking, and corrosion control mechanisms and methodologies. This journal publishes original papers and critical reviews across the spectrum of pure and applied corrosion, material degradation, and surface science and engineering. It serves as a crucial link connecting metallurgists, materials scientists, and researchers investigating corrosion and degradation phenomena. Join us in advancing knowledge and understanding in the vital field of corrosion science.
期刊最新文献
Editorial Board Influence of annealing treatment on the microstructure and corrosion resistance of AlxTiyCoCrFeNi high-entropy coatings Effect of hydrogen on the surface properties and cracking behavior of Ti-6Al-3Nb-2Zr-1Mo alloy welded joint Editorial Board Mechanistic insight into the environmental stress-induced formation and evolution of the micro-defects in deteriorating organic coatings
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