Abstract
Microstructural evolution of Zr55Cu30Al10Ni5 and Cu50Zr45Ti5 metallic glasses under 200 keV electron irradiation has been studied in situ by transmission electron microscopy. Zr55Cu30Al10Ni5, which has a wider supercooled liquid region, is found to be stable under electron irradiation and no crystallization is observed up to an irradiation fluence of 8.7 × 1026 electrons m-2. In contrast, nanometer size crystalline Cu10Zr7 phases are formed in Cu50Zr45Ti5 under electron irradiation. The partial crystallization is attributed to irradiation enhanced atomic mobility.
Original language | English |
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Pages (from-to) | 40-43 |
Number of pages | 4 |
Journal | Scripta Materialia |
Volume | 61 |
Issue number | 1 |
DOIs | |
Publication status | Published - 2009 Jul |
Keywords
- Metallic glasses
- Recrystallization
ASJC Scopus subject areas
- Materials Science(all)
- Condensed Matter Physics
- Mechanics of Materials
- Mechanical Engineering
- Metals and Alloys