THE INFLUENCE OF COBALT ON DENSITY AND ELECTRICAL RESISTIVITY OF Al–Ni–Co–Ce ALLOYS IN CRYSTALLINE AND LIQUID STATES-Reference-Cited by-同舟云学术

THE INFLUENCE OF COBALT ON DENSITY AND ELECTRICAL RESISTIVITY OF Al–Ni–Co–Ce ALLOYS IN CRYSTALLINE AND LIQUID STATES

Published:2023-07-01 Issue:4 Volume: Page:426-436
ISSN:0235-0106
Container-title:Расплавы
language:
Short-container-title:Rasplavy

Author:

Rusanov B. A.¹,Sidorov V. E.¹²,Sterkhov E. V.³,Petrova S. A.²³,Rusanova A. I.³,Sabirzyanov A. A.⁴,Sidorova E. E.⁵

Affiliation:

1. Ural State Pedagogical University

2. Ural Federal University

3. Institute of Metallurgy UB RAS

4. Ural State University of Railway Transport

5. Plekhanov Russian University of Economics

Abstract

In this work were studied density (by gamma-absorption method) and electrical resistivity (by contactless method in rotating magnetic field) of Al–Ni–Co–Ce glass-forming alloys with different ratios of transition metals. It was found the existence of a wide two-phase zone was established and jump-like changes in properties at solidus and liquidus temperatures. Increasing of cobalt content from 2 to 4 at % leads to 2% decrease of density and 3% increase of electrical resistivity in crystalline and liquid states. Temperature coefficients of change in properties were calculated. Density hysteresis was detected, which occurs when melts are overheated above 1350 K. This fact is related to the disintegration of large-scale microheterogeneities that exist in melts during heating. It is shown that these results can be used to optimize the process of obtaining rapidly hardened alloys.

Publisher

The Russian Academy of Sciences

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