Elastic behaviour of Cu–Zn ferrites

The composition dependence of elastic properties of mixed Cu–Zn ferrites are studied using ultrasonic pulse transmission technique at 1 MHz. The values of Young's moduli ( E), the rigidity moduli ( n), Debye temperature ( θ D) and mean sound velocity ( V m) of mixed Cu–Zn ferrite specimens are...

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Veröffentlicht in:	Materials letters 1999, Vol.38 (1), p.22-27
Hauptverfasser:	Ravinder, D., Kumar, K.Vijaya, Boyanov, B.S.
Format:	Artikel
Sprache:	eng
Schlagworte:	Condensed matter: structure, mechanical and thermal properties Cu–Zn ferrite Elastic behaviour Elasticity, elastic constants Exact sciences and technology Mechanical and acoustical properties of condensed matter Mechanical properties of solids Physics Ultrasonic pulse transmission
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Beschreibung
Zusammenfassung:	The composition dependence of elastic properties of mixed Cu–Zn ferrites are studied using ultrasonic pulse transmission technique at 1 MHz. The values of Young's moduli ( E), the rigidity moduli ( n), Debye temperature ( θ D) and mean sound velocity ( V m) of mixed Cu–Zn ferrite specimens are calculated from longitudinal ( V l) and shear ( V s) velocities. The elastic moduli of the ferrites are corrected to zero porosity using Hasseleman and Fulraths formulae. The variation of elastic moduli with composition has been interpreted on the basis of binding forces between the spinel lattice.
ISSN:	0167-577X 1873-4979
DOI:	10.1016/S0167-577X(98)00126-8