Home HOME Kovove Materialy-Metallic Materials 2017 Metallic Materials Vol. 55 (2017), no. 1, pp.1-6

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Metallic Materials Vol. 55 (2017), no. 1, pp.1-6

Title: Microstructure characterization of melt spun Mg65Cu225Y10
Author: M. REGEV, S. ESSEL, A. KATZ-DEMYANETZ
Abstract: Mg65Cu225Y10 ribbons were produced by melt spinning. Their microstructure was investigated in its as-cast condition, after pressing under 0.5 GPa for 5 min under different temperatures – RT, 50, 100, 150, and 200 °C – and after 5-minute exposure to the above temperatures without pressing. The microstructure was characterized by means of XRD, DSC, HRSEM, and HRTEM. XRD and DSC studies showed that the as-cast material had an amorphous character and that the material crystallized during exposure to temperature with or without applying stress. HRTEM revealed that the as-cast Mg65Cu25Y10, although known to be one of the best glass formers, is nano-crystalline rather than amorphous.
Keywords: microstructure, melt spinning, metallic glass, Mg65Cu225Y10
Published online: 14-Mar-2017
Year: 2017, Volume: 55, Issue: 1 Page From: 1, Page To: 6
doi:10.4149/km_2017_1_1


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