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Atomic-scale investigation of hydrogen distribution in a Ti-Mo alloy
Yan, Fengkai; Mouton, Isabelle; Stephenson, Leigh T.; Breen, Andrew J.; Chang, Yanhong; Ponge, Dirk; Raabe, Dierk; Gault, Baptiste
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
Indexed BySCI
Language英语
WOS IDWOS:000457664900067
PublisherPERGAMON-ELSEVIER SCIENCE LTD
Citation statistics
Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/81280
Collection中国科学院金属研究所
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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