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Blinova, E. N.
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Publications (6/6 displayed)
- 2020Mechanical behavior and crystallization features of amorphous alloys based on cobalt and iron after annealing
- 2019Amorphous-Alloy-Based Composites Prepared by High-Pressure Torsioncitations
- 2015The ductile-to-brittle transition and the temperature and temporal stability of amorphous alloyscitations
- 2015Physical criterion for the time-temperature stability of the mechanical behavior of amorphous alloyscitations
- 2012Effect of nanocrystallization on the mechanical and magnetic properties of finemet-type alloy (Fe78.5Si13.5B9Nb3Cu1)citations
- 2012Engineering of Grain Boundaries as a Method for Achieving the Ultimate (Theoretical) Strength of Nanocrystals
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article
Physical criterion for the time-temperature stability of the mechanical behavior of amorphous alloys
Abstract
A criterion for estimating the time of mechanical degradation of met-quenched amorphous alloys in the climatic temperature range is proposed. To determine the time interval of embrittlement, it is necessary to obtain two heat release spectra, one of which corresponds to the initial (after melt quenching) state of an amorphous alloy and the other, to the same alloy after annealing at given temperature and time parameters. The proposed criterion is used to show that the introduction of phosphorous into the alloy composition leads to accelerated degradation of the mechanical properties (embrittlement) of commercial amorphous alloys.