Effect of interstitial hydrogen on Young's modulus and the martensitic transformation of Nb3Sn

Effect of interstitial hydrogen on Young's modulus and the martensitic transformation of Nb3Sn

The effects of interstitial hydrogen on the elastic softening, the martensitic transformation and the critical temperature of Nb 3 Sn were studied. Using internal friction as a diagnostic tool, it was found that the martensitic transformation temperature is decreased with hydrogen and completely sup...

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Veröffentlicht in:IEEE transactions on magnetics 1983-01, Vol.19 (3), p.893-896
Hauptverfasser: LeHuy, H., Bussiere, J., Berry, B.
Format: Artikel
Sprache:eng
Schlagworte:
Atmosphere
Atmospheric measurements
Friction
Heat treatment
Hydrogen
Lattices
Niobium
Niobium-tin
Softening
Temperature
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Zusammenfassung:The effects of interstitial hydrogen on the elastic softening, the martensitic transformation and the critical temperature of Nb 3 Sn were studied. Using internal friction as a diagnostic tool, it was found that the martensitic transformation temperature is decreased with hydrogen and completely suppressed for ∼ 0.6 at %H. For these small hydrogen additions, the onset critical temperature is increased to ∼ 18.4K. For higher concentrations of hydrogen, Tc decreases as previously reported and softening of Young's modulus is almost entirely suppressed.
ISSN:0018-9464
1941-0069
DOI:10.1109/TMAG.1983.1062534