Glass forming ability in mechanically alloyed Fe-Zr
- 3 November 1986
- journal article
- research article
- Published by AIP Publishing in Applied Physics Letters
- Vol. 49 (18) , 1163-1165
- https://doi.org/10.1063/1.97454
Abstract
Amorphous Fe-Zr powders have been prepared by mechanical alloying in a powder mill. The samples are characterized by x-ray diffraction, differential scanning calorimetry, and saturation magnetization measurements. The glass forming range reaches from 30 to 78 at. % Fe being much wider than for melt-spun samples. Eutectic concentrations do not play any role. The results are compared with the glass forming ability predicted by free-enthalpy diagram calculations based on the Miedema model [A. R. Miedema, Philips Tech. Rev. 36, 217 (1976)]. Amorphization by mechanical alloying seems to be a metastable equilibrium process neglecting intermetallic phases. Rather high crystallization temperatures are found in the concentration range which is not accessible by melt spinning.Keywords
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