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The crystallization kinetics of Fe-B-Si metallic glasses, characterized by the effective activation energy E and the Avrami exponent n was studied by non-isothermal DSC technique. The data show values both for E and n in good agreement with the theoretical JMA model for the first crystallization stage, but not for the second.
A sample of the alloy As 47 Se 6 Te 47 has been subject to an aging process at room temperature for two years and to different annealings at intermediate temperatures between the glass transition and crystallization temperatures. By means of DSC calorimetric techniques the further crystallization reactions were studied, computing the parameters E, n, y,K 0 ...
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