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Hydrogen-induced hardening and softening of Ni-Nb-Zr amorphous alloys: Dependence on the Zr content
- Authors
- Zhao, Yakai; Choi, In-Chul; Seok, Moo-Young; Ramamurty, Upadrasta; Suh, Jin-Yoo; Jang, Jae-il
- Issue Date
- Dec-2014
- Publisher
- Pergamon Press Ltd.
- Keywords
- Hydrogen; Amorphous alloy; Mechanical behavior; Nanoindentation
- Citation
- Scripta Materialia, v.93, pp 56 - 59
- Pages
- 4
- Indexed
- SCI
SCIE
SCOPUS
- Journal Title
- Scripta Materialia
- Volume
- 93
- Start Page
- 56
- End Page
- 59
- ISSN
- 1359-6462
- Abstract
- The influence of absorbed hydrogen on the mechanical behavior of a series of Ni-Nb-Zr amorphous metallic ribbons was investigated through nanoindentation experiments. It was revealed that the influence is significantly dependent on Zr content, that is, hydrogen induced softening in relatively low-Zr alloys, whereas hydrogen induced hardening in high-Zr alloys. The results are discussed in terms of the different roles of mobile and immobile hydrogen in the plastic deformation.
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Related Researcher
- Jang, Jae Il
- COLLEGE OF ENGINEERING (SCHOOL OF MATERIALS SCIENCE AND ENGINEERING)