RELAXATION STUDY OF Ni-P-B METALLIC GLASSES

Abstract
The structural relaxation of the melt-quenched Ni81.5P18.5-xBx (0 ⩽ x ⩽ 18.5) amorphous system was investigated by means of electrical resistivity and dynamical Young's modulus measurements, differential scanning calorimetry and electron microscopy. Activation energy spectra were determined from both resistivity and dynamical Young's modulus measurements which have revealed that in this amorphous alloy system the resistivity is sensitive only to chemical type relaxation processes whereas the Young's modulus is sensitive to other relaxation mechanisms as well

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