High-Temperature Investigation of Rapidly Quenched Al–Fe–Nb Alloys

S. I. Mudry, O. V. Shved

Ivan Franko National University of Lviv, 1 Universytets’ka Str., UA-79000 Lviv, Ukraine

Received: 08.10.2018; final version - 14.07.2021. Download: PDF

The structure variation at heating of rapidly cooled alloys of Al–Fe–Nb system (Al$_{90}$Fe$_7$Nb$_3$ and Al$_{93}$Fe$_4$Nb$_3$) has been studied. It is shown that quenched alloys are amorphous and the temperature dependence of diffraction patterns within temperature range from 293 to 893 K is analyzed. X-ray diffraction patterns allowed determining the main structure parameters and their temperature dependences. The three-stage mechanism of crystallization is established and phase content variation at heating is determined. It is found that the microhardness of amorphous alloys is significantly higher compared to the crystalline ones.

Key words: amorphous aluminium alloys, quenching, crystallization, grain size, microhardness.

URL: https://mfint.imp.kiev.ua/en/abstract/v43/i10/1387.html

DOI: https://doi.org/10.15407/mfint.43.10.1387

PACS: 61.05.cp, 61.43.Er, 61.82.Bq, 62.20.-x, 64.60.My, 64.70.K-

Citation: S. I. Mudry and O. V. Shved, High-Temperature Investigation of Rapidly Quenched Al–Fe–Nb Alloys, Metallofiz. Noveishie Tekhnol., 43, No. 10: 1387—1399 (2021) (in Ukrainian)

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