Abstract

Abstract Detailed measurements of linear heating and isothermal stress relaxation of bulk and ribbon glassy Pd 40 Cu 30 Ni 10 P 20 below the glass transition temperature have been performed. Using the activation energy spectrum reconstructed from these measurements, the temperature dependence of the shear viscosity has been calculated. It has been found that this dependence agrees with that derived directly from the creep measurements. This provides strong support for understanding the stress relaxation as a result of the stress-oriented irreversible structural relaxation with distributed activation energies.

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