Synchrotron x-ray scattering investigations of oxygen-induced nucleation in a Zr-based glass-forming alloy.
Journal Article
·
· Scr. Materialia
The metallic glass-forming alloy VIT-105 (Zr{sub 52.5}Cu{sub 17.9}Ni{sub 14.6}Al{sub 10}Ti{sub 5}) was used to study the effect of oxygen on nucleation. Ex situ synchrotron X-ray scattering experiments performed on as-cast samples showed that oxygen leads to the formation of tetragonal and/or cubic phases, depending on oxygen content. The samples crystallized into either a primitive tetragonal phase or the so-called fcc 'big cube' phase in a glassy matrix. A subsequent discussion on the role of oxygen in heterogeneous nucleation in Zr-based bulk metallic glasses is presented.
- Research Organization:
- Argonne National Lab. (ANL), Argonne, IL (United States)
- Sponsoring Organization:
- USDOE Office of Science (SC); National Science Foundation (NSF)
- DOE Contract Number:
- DE-AC02-06CH11357
- OSTI ID:
- 958550
- Report Number(s):
- ANL/XSD/JA-64600; SCMAF7; TRN: US1000211
- Journal Information:
- Scr. Materialia, Vol. 61, Issue 3 ; 2009; ISSN 1359-6462
- Country of Publication:
- United States
- Language:
- ENGLISH
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