SYMPOSIA PAPER Published: 01 January 1997

Snoek Relaxation in Ternary Body-Centered-Cubic Alloys


Experimental and theoretical studies on the effect of substitutional solutes on the Snoek relaxation of interstitial solutes in body-centered-cubic (bcc) metals are reviewed. The presence of a small amount of alloying element (M) gives rise to additional components, which often lead to a complex damping spectrum. The origin of the effect is the interaction between the substitutional and interstitial solute atoms, or s-i interaction. Experimental findings on the s-i interaction in Fe-M-(C, N) and (V, Nb, Ta)-M-(O, N) systems are presented, and theoretical studies on the relaxation mechanism are summarized. Recent advances in experiment and theory are briefly described, followed by suggestions for future studies.

Author Information

Numakura, H
Kyoto University, Kyoto, Japan
Koiwa, M
Kyoto University, Kyoto, Japan
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Developed by Committee: E28
Pages: 383–393
DOI: 10.1520/STP11762S
ISBN-EB: 978-0-8031-5362-2
ISBN-13: 978-0-8031-2417-2