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2 GeV Electron Beam Irradiation Effects in Advanced Metallic Glasses
Department of Physics, Duquesne University, Pittsburgh, USA
Department of Physics, Duquesne University, Pittsburgh, USA
Thomas Jefferson National Accelerator Facility, Newport News, Virginia, USA
Thomas Jefferson National Accelerator Facility, Newport News, Virginia, USA
- 1 Department of Physics, Duquesne University, Pittsburgh, USA
- 2 Department of Physics, Duquesne University, Pittsburgh, USA
- 3 Thomas Jefferson National Accelerator Facility, Newport News, Virginia, USA
- 4 Thomas Jefferson National Accelerator Facility, Newport News, Virginia, USA
Journal of Minerals and Materials Characterization and Engineering·Volume 10 (2022)·Pages 106–112·Published 11 February 2022·DOI10.4236/jmmce.2022.102008
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Abstract
Six amorphous alloys (Alloy 1: Fe 56 Co 24 Nb 4 B 13 Si 2 Cu 1 , Alloy 2: Fe 68.5 Co 5 Nb 3 Cu 1 Si 15.5 B 7 , Alloy 3: Fe 75.3 Ni 0.8 Cr 0.9 Si 8.7 B 14.3 , Alloy 4: Fe 56 Co 24 Cr 10 Nb 4 B 3 Si 1 Cu 2 , Alloy 5: Fe 72.9 Nb 3 Cu 1 Si 16.2 B 6.9 , Alloy 6: Fe 83.3 Si 8.6 Nb 5.5 B 1.4 Cu 1.2 ) were selected in terms of their composition and magnetostriction constants and uniformly irradiated in a high radiation environment in Hall A of the Thomas Jefferson National Accelerator Facility. The 2 GeV electron beam irradiation-induced effects were characterized by M ӧ ssbauer spectroscopy. The microstructural changes were related to the evolution of the hyperfine magnetic field distributions and isomer shifts. In particular, the occurrence of stress centers in the amorphous materials was evidenced.
KeywordsMetallic GlassesHyperfine InteractionsMagnetostrictionRadiation EffectsM&#1255ssbauer Spectroscopy
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