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Effect of ion irradiation in an Al90Fe2Ce8 metallic glass
Affiliation:1. Key Laboratory of Advanced Welding Production Technology, Harbin Institute of Technology, China;2. School of Materials Science and Engineering, Harbin Institute of Technology, China;3. Key Laboratory of Micro-Systems and Micro-Structures Manufacturing (Harbin Institute of Technology), Ministry of Education, China;1. Université Dr. Tahar Moulay de Saida, Faculté des Sciences, Département de physique, En-nasr BP138, Saida 20000, Algeria;2. Université Libre de Bruxelles, Faculté des Sciences, CP 223, Bd du Triomphe, B-1050 Bruxelles, Belgium;3. Unité Matériaux et Transformations (UMET), UMR 8207 Université Lille-1, F-59655 Villeneuve d’Ascq Cédex, France;4. EDF-R&D Département MMC, Les renardières, F-77818 Moret sur Loing Cédex, France;5. CCFE, Culham Centre for Fusion Energy, Abingdon, United Kingdom;1. Key Laboratory of Aerospace Advanced Materials and Performance of Ministry of Education, School of Material Science and Engineering, Beihang University, Beijing 100191, China;2. Department of Mechanical Engineering, Faculty of Science and Engineering, Ritsumeikan University, 1-1-1 Nojihigashi, Kusatsu, Shiga 525-8577, Japan
Abstract:
Here the irradiation effect of an AlFeCe metallic glass under nitrogen ions was investigated. Ion irradiation induced crystallization can be observed in the studied metallic glass. The surface morphologies have been also examined by atomic force microscopy prior to and after ion irradiation. It is found that the surfaces have been smoothened after ion irradiation. The nanohardness and Young’s modulus of metallic glass increase after ion irradiation, which can be attributed to the formation of crystalline phases. The results obtained here clearly suggest that ion irradiation can be a useful method to tailor the microstructure and mechanical properties of metallic glasses.
Keywords:Metallic glass  Ion irradiation  Mechanical properties  Surface morphology  Microstructure  Nanoindentation
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