Stress relaxation of iron-boron amorphous alloys

Abstract
The stress relaxation of FexB100−x alloys for 72⩽x⩽88 at.% was measured after annealing for 2 h at 225°C on ribbons having thicknesses between 15 and 33 μm. Stress relaxation increases with x and with decrease in thickness. There was no evidence for any discontinuity in stress relaxation versus x as was previously found for the activation energy for crystallization versus x. This implies that different atomic processes are involved in stress relaxation and in crystallization.

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