A Few Fracture Features of Al-Based and Cu-Based Ribbon Metallic Glasses Under Non-isothermal and Oscillating Loading

Berezner, A. D.; Федоров, В. А.; Grigoriev, Gregory

doi:10.1007/978-981-19-7808-1_1

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2022

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“…Previously [ 36 ], we calculated linear thermal expansion coefficient (CLTE), whose number value agreed with the experiment up to the integer part of a number and magnitude order (α L ~4·10 −6 –6·10 −6 1/K for Cu-based and Al-based MG, consequently). It permits estimation of molar heat capacity, which relates with CLTE linearly by γ Gruneisen parameter [ 37 ] for many materials.…”

Section: Resultssupporting

confidence: 76%

Non-Isothermal Dynamic Mechanical Analysis of Ribbon Metallic Glasses and Its Thermodynamic Description

Berezner

Федоров

2022

Materials

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In this work, derivation of the main thermodynamic relationships is realized together with the applied calculation of some parameters, providing the systematized description of non-linear thermo-mechanical deformation at dynamic mechanical analysis (DMA). Obtained equations and values agree well with experiments on different ribbon metallic glasses. We generalize the main initial conditions (i.e., experimental and numerical parameters) by that the proposed model can be used for the investigation of DMA in different materials. The further opportunities of the found approach are also discussed in frames of phase transitions in metallic glass.

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Section: Resultssupporting

confidence: 76%