Peculiarities of viscosity and density polytherms of Al₈₆(Ni,Co)₈Tb₆ glass-forming melts with different Ni/Co ratios | Izvestiya vuzov. Fizika. 2023. № 1. DOI: 10.17223/00213411/66/1/9

Peculiarities of viscosity and density polytherms of Al₈₆(Ni,Co)₈Tb₆ glass-forming melts with different Ni/Co ratios

Kinematic viscosity and density temperature dependences of Al₈₆Ni₆Co₂Tb₆ and Al₈₆Ni₄Co₄Tb₆ melts have been investigated in the present work. The hysteresis (discrepancy of polytherms on heating and subsequent cooling) of properties in the melts is found. It is shown that overheating the melts higher than characteristic temperatures facilitate the transition to a more homogeneous state. The activation energy of viscous-flow are calculated. It has been established that increase of cobalt content in investigated alloys leads to increase in viscosity values and activation energy and decrease in density at the same time.

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Keywords

viscosity, density, aluminum alloys, melts, transition metals

Authors

Name	Organization	E-mail
Bel’tyukov A.L.	Udmurt Federal Research Center UB RAS	albeltyukov@mail.ru
Rusanova A.I.	Institute of Metallurgy UB RAS; Ural State Pedagogical University	nastmoroz97@yandex.ru
Rusanov B.A.	Ural State Pedagogical University	rusfive@mail.ru
Sidorov V.E.	Ural State Pedagogical University; Ural Federal University named after the first President of Russia B.N. Yeltsin	vesidor@mail.ru
Son L.D.	Institute of Metallurgy UB RAS; Ural State Pedagogical University; Ural Federal University named after the first President of Russia B.N. Yeltsin	ldson@yandex.ru
Lad’yanov V.I.	Udmurt Federal Research Center UB RAS	v.i.lad@mail.ru

Всего: 6

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