Characterization of High Purity bcc Metals by Mechanical Spectroscopy

M. Weller

The mechanical loss (internal friction) spectra of bcc metals (Fe,Nb,Ta) indicate the presence of interstitial foreign atoms by Snoek peaks at distinct, characteristic temperatures. The magnitude of the peaks is proportional to the contents of interstitial solute atoms. Experiments with single crystals allow determination of the dipole tensor components |λ1-λ2|. Equipment for low frequency measurements (10-4 Hz – 20 Hz) is demonstrated.

Domaines: Articles anciens

M. Weller. Characterization of High Purity bcc Metals by Mechanical Spectroscopy. Journal de Physique IV Proceedings, 1995, 05 (C7), pp.C7-199-C7-204. ⟨10.1051/jp4:1995721⟩. ⟨jpa-00254014⟩