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Atomic-scale investigation of hydrogen distribution in a Ti-Mo alloy
Yan, Fengkai1,2; Mouton, Isabelle1; Stephenson, Leigh T.1; Breen, Andrew J.1; Chang, Yanhong1; Ponge, Dirk1; Raabe, Dierk1; Gault, Baptiste1
Corresponding AuthorYan, Fengkai(fkyan@imr.ac.cn) ; Gault, Baptiste(b.gault@mpie.de)
2019-03-15
Source PublicationSCRIPTA MATERIALIA
ISSN1359-6462
Volume162Pages:321-325
AbstractIngress of hydrogen is often linked to catastrophic failure of Ti-alloys. Here, we quantify the hydrogen distribution in fully beta and alpha + beta Ti-Mo alloys by using atom probe tomography. Hydrogen does not segregate at grain boundaries in the fully beta sample but segregates at some alpha/beta phase boundaries with a composition exceeding 20 at.% in the alpha + beta sample. No stable hydrides were observed in either sample. The hydrogen concentration in beta phases linearly decreases from similar to 13 at. % to similar to 4 at. % with increasing Mo-content, which is ascribed to the suppression of hydrogen uptake by Mo addition. (C) 2018 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.
KeywordTi-Mo alloy Hydrogen Atom probe tomography alpha and beta phases
Funding OrganizationNational Natural Science Foundation ; Alexander von Humboldt Foundation ; MPG through the Laplace project ; China Scholarship Council (CSC) ; ERC-CoG
DOI10.1016/j.scriptamat.2018.11.040
Indexed BySCI
Language英语
Funding ProjectNational Natural Science Foundation[51501191] ; Alexander von Humboldt Foundation ; MPG through the Laplace project ; China Scholarship Council (CSC) ; ERC-CoG[SHINE - 771602]
WOS Research AreaScience & Technology - Other Topics ; Materials Science ; Metallurgy & Metallurgical Engineering
WOS SubjectNanoscience & Nanotechnology ; Materials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering
WOS IDWOS:000457664900067
PublisherPERGAMON-ELSEVIER SCIENCE LTD
Citation statistics
Cited Times:5[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/131511
Collection中国科学院金属研究所
Corresponding AuthorYan, Fengkai; Gault, Baptiste
Affiliation1.Max Planck Inst Eisenforsch GmbH, Max Planck Str 1, D-40237 Dusseldorf, Germany
2.Chinese Acad Sci, Inst Met Res, Natl Lab Mat Sci, Shenyang 110016, Liaoning, Peoples R China
Recommended Citation
GB/T 7714
Yan, Fengkai,Mouton, Isabelle,Stephenson, Leigh T.,et al. Atomic-scale investigation of hydrogen distribution in a Ti-Mo alloy[J]. SCRIPTA MATERIALIA,2019,162:321-325.
APA Yan, Fengkai.,Mouton, Isabelle.,Stephenson, Leigh T..,Breen, Andrew J..,Chang, Yanhong.,...&Gault, Baptiste.(2019).Atomic-scale investigation of hydrogen distribution in a Ti-Mo alloy.SCRIPTA MATERIALIA,162,321-325.
MLA Yan, Fengkai,et al."Atomic-scale investigation of hydrogen distribution in a Ti-Mo alloy".SCRIPTA MATERIALIA 162(2019):321-325.
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