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Correlation between mechanical, thermal and electronic properties in Zr-Ni, Cu amorphous alloys (CROSBI ID 133122)

Prilog u časopisu | izvorni znanstveni rad | međunarodna recenzija

Ristić, Ramir ; Stubičar, Mirko ; Babić, Emil Correlation between mechanical, thermal and electronic properties in Zr-Ni, Cu amorphous alloys // Philosophical magazine (2003), 87 (2007), 35; 5629-5637. doi: 10.1080/14786430701708364

Podaci o odgovornosti

Ristić, Ramir ; Stubičar, Mirko ; Babić, Emil

engleski

Correlation between mechanical, thermal and electronic properties in Zr-Ni, Cu amorphous alloys

We show that mechanical properties (stiffness and hardness) of Zr-Ni, Cu amorphous alloys increase linearly with Ni, Cu content over a wide composition range (22 ≤ xNi, Cu ≤ 65 at%). This correlates with the observed increase in the Debye temperatures and densities with x and shows that the strength of interatomic bonding increases with x in these alloys. Accordingly, the thermal stability (eg. the crystallisation and glass transition temperatures) of these alloys also increases with x. Since the electronic density of states at the Fermi level decreases linearly with x within the same x-range, there exists very simple relationship between the electronic structure and mechanical and thermal properties. We also deduce the mechanical properties of hypothetic amorphous Zr and briefly discuss the possibility of its preparation

amorphous alloys; electronic properties; metallic glasses; microhardness; transition metals

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Podaci o izdanju

87 (35)

2007.

5629-5637

objavljeno

1478-6435

10.1080/14786430701708364

Povezanost rada

Fizika

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