Solidification Studies of Nb-Ge Alloys at Large Degrees of Supercooling

descriptionPublicationkeyboard_double_arrow_right Article 01 Jan 1981 English Publisher:Springer Science and Business Media LLCJournal:MRS Proceedings, volume 9 (issn: 0272-9172, eissn: 1946-4274,

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Authors: L. L. Lacy; M.B. Robinson; T.J. Rathz; N. D. Evans; R. J. Bayuzick;

doi: 10.1557/proc-9-87

Solidification Studies of Nb-Ge Alloys at Large Degrees of Supercooling

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Abstract

ABSTRACTA 32 meter evacuated drop tube has been used to investigate the solidification of Nb-Ge alloys after deep undercooling. Samples have been supercooled as much as 500°K below the liquidus by using free-fall conditions to eliminate crucible induced nucleation. Final microstructures are dependent on the quenching rates at the bottom of the drop tube with a striking extension of the β phase solubility limit at the higher quenching rates.

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