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Preparation of bulk amorphous Fe–Cr–Mo–Ga–P–C–B alloys by copper mold casting

Authors
Journal
Materials Science and Engineering A
0921-5093
Publisher
Elsevier
Identifiers
DOI: 10.1016/j.msea.2003.10.190
Keywords
  • Bulk Metallic Glass
  • Iron-Based Alloys
  • Thermal Stability
  • Supercooled Liquid Region
  • Glass-Forming Ability
Disciplines
  • Mathematics

Abstract

Abstract The Fe77.5−x−y−zCrxMoyGazP12C5B5.5 bulk glassy alloy was prepared in the shape of rods and ribbons using copper mold casting and melt spinning, respectively. The structure was investigated by X-ray diffraction (XRD) and the thermal stability was checked by differential scanning calorimetry (DSC). It was found that the samples consist of an a single amorphous phase and exhibit a rather wide supercooled liquid region before crystallization. Some characteristic thermal properties of the amorphous samples as a function of the geometrical dimensions are discussed, as well as the dependence of the glass-forming ability on composition. Additionally, some magnetic data like coercivity Hc, saturation polarization Js and Curie temperature Tc are presented.

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