Eur. Phys. J. Special Topics 229, 157-165 (2020)
https://doi.org/10.1140/epjst/e2019-900056-3

Regular Article

Model experiment on a glass-forming Pd-Ni-Cu-P alloy

¹ Udmurt State University, Izhevsk, Russia
² Friedrich-Schiller-Universität-Jena, Otto-Schott-Institut für Materialforschung, 07743 Jena, Thüringen, Germany
³ Deutsches Zentrum für Luft- und Raumfahrt, Institut für Material Physik im Weltraum, 51147 Köln, Germany
⁴ Deutsches Zentrum für Luft- und Raumfahrt, Bonn-Oberkassel, 53227 Bonn, Germany
⁵ Ioffe Institute, St Petersburg, Russia
⁶ Barmin Research Institute of Launch Complexes (NII SK), FSUE TsENKI, Moscow, Russia

^a e-mail: eh@udsu.ru

Received: 13 March 2019
Received in final form: 13 May 2019
Published online: 11 February 2020

Abstract

In the present work we report results of the model experiments that allow us to study effect of different cooling rates of samples on relationship for amorphous/crystalline phase in freezed Pd-based samples. For the model experiments Pd₄₀Cu₃₀Ni₁₀P₂₀ alloy samples were used which are typical bulk metal glasses with a relatively small temperature interval of liquid to glass transition. The main focus of the study was on the effect of cooling rate and glass transition temperature on the microstructure of samples, cooled from the liquid to (semi)amorphous states of the alloy. Ground based experiments were conducted using the multi-zone vacuum furnace MEP-01 situated in the institute of launch complexes (NIISK, Moscow). Composition, structure and thermodynamic properties of the samples were determined by electron probe microanalysis, X-ray diffraction, transmission electron microscopy and differential scanning calorimetry.