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Ideal solution behaviour of glassy Cu-Ti , Zr , Hf alloys and properties of amorphous copper (CROSBI ID 210331)

Prilog u časopisu | izvorni znanstveni rad | međunarodna recenzija

Ristić, Ramir ; Cooper, John Robert ; Zadro, Krešo ; Pajić, Damir ; Ivkov, Jovica ; Babić, Emil Ideal solution behaviour of glassy Cu-Ti , Zr , Hf alloys and properties of amorphous copper // Journal of alloys and compounds, 621 (2015), 136-145. doi: 10.1016/j.jallcom.2014.09.167

Podaci o odgovornosti

Ristić, Ramir ; Cooper, John Robert ; Zadro, Krešo ; Pajić, Damir ; Ivkov, Jovica ; Babić, Emil

engleski

Ideal solution behaviour of glassy Cu-Ti , Zr , Hf alloys and properties of amorphous copper

A comprehensive study of selected properties of amorphous (a) Cu-TE alloys (TE=Ti, Zr and Hf) has been performed. Data for average atomic volumes of a- Cu-Hf, Ti alloys combined with literature data show that ideal solution behaviour (Vegard`s law) extends over the whole glass forming range (GFR) in all a-Cu-TE alloys. This enables one to obtain an insight into some properties and probable atomic arrangements for both, a-TEs (R. Ristić et. al., J. Alloys. Compd. 504S (2010) S194) and a-Cu by extrapolation of the data for alloys. Indeed the atomic volumes and other properties studied for all a-Cu-TE alloys extrapolate to the same values for a-Cu. Depending on the property, these values are either close to those of crystalline (c) Cu, or are close to those for liquid (L) Cu. In particular, the electronic transport properties of a-Cu seem close to those of L-Cu, whereas the static properties, such as the density of states, Young`s modulus, etc., converge to those of c-Cu. The possible impact of these results on our understanding of a-Cu-TE alloys, including glass forming ability, is discussed.

metallic glasses; transition metal alloys and compounds; thermodynamic properties; mechanical properties; electrical transport

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Podaci o izdanju

621

2015.

136-145

objavljeno

0925-8388

10.1016/j.jallcom.2014.09.167

Povezanost rada

Fizika

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