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Ass. Lect. Abdelkariem Karam Abdelkariem Mohamed :: Publications: |
Title: | Phase Transitions in Metastable Fe-Ga Alloys |
Authors: | Igor S. Golovin, Valeria Palacheva, AbdElKariem Mohamed, Anatoliy Balagurov, Ivan Bobrikov, Natalia Samoylova, Sergei Sumnikov |
Year: | 2020 |
Keywords: | neutron diffraction; phase transitions; equilibrium. |
Journal: | SENSORDEVICES 2019, The Tenth International Conference on Sensor Device Technologies and Applications |
Volume: | 10 |
Issue: | 2308-3514 |
Pages: | 13-16 |
Publisher: | thinkmind |
Local/International: | International |
Paper Link: | |
Full paper | Abdel-Kareem Karam Abdel-Kareem_sensordevices_2019_2_10_28002 (1).pdf |
Supplementary materials | Not Available |
Abstract: |
In the present study, we have investigated the time and temperature dependence of the transition of as-cast metastable Fe-(9-33at.%)Ga ‘Galfenol’ alloys to the equilibrium state along with corresponding changes in their functional properties and anelastic effects that accompany these transitions. To characterize such a Time-Temperature Transformation (TTT) diagram, we used both long-time isochronal annealing (up to 300hrs) and instant heating treatments with different temperature protocols. In-situ neutron diffraction, X-Ray Diffraction (XRD), Differential Scanning Calorimetry (DSC), Vibrating-Sample magnetometer (VSM), Vickers Hardness (HV), Scanning Electron Microscope-Electron Backscatter Diffraction (SEM-EBSD), Mössbauer and mechanical spectroscopy techniques were used. |