An Internal Friction Investigation of Gold‐Rich Gold–Iron Alloys | Zendy

Mynard B. A. | Zendy; Leak G. M. | Zendy

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An Internal Friction Investigation of Gold‐Rich Gold–Iron Alloys

Author(s) -

Mynard B. A.,

Leak G. M.

Publication year - 1970

Publication title -

physica status solidi (b)

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.51

H-Index - 109

eISSN - 1521-3951

pISSN - 0370-1972

DOI - 10.1002/pssb.19700400113

Subject(s) - internal friction , materials science , phase (matter) , zener diode , metallurgy , gold alloys , thermodynamics , phase boundary , condensed matter physics , chemistry , composite material , alloy , physics , organic chemistry , quantum mechanics , voltage , resistor

The internal friction properties of five gold‐iron alloys on cooling from 900 °C have been studied. The parameters Q R , Δ m , τ 0 , β, and T p for the Zener peak, which was observed in all the alloys at approximately 400 °C, are discussed. Welch's theory is used to predict values for Q D in the alloys. An explanation is given for the observed decrease in Δ m on increasing the solute concentration in the two‐phase region; the precipitate is identified as iron. An increase in damping is observed on cooling through the phase boundary; a qualitative explanation is given for this effect.

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