Fluoride glass compositions based on actinides or yttrium

Details Fluoride glass compositions based on actinides or yttrium Fluoride glass compositions based on actinides or yttrium

1985-05-28

1988-01-05

Dixon, Jr., William R.

Compositions: ceramic

Ceramic compositions

Glass compositions, compositions containing glass other than...

501 30, 501 37, 501 38, 501904, 501905, C03C 312, C03C 2100

Patent

active

047176911

ABSTRACT:
Fluoroglasses, their preparation and intermediate products obtained. These glasses are characterized by containing as the forming element at least about 10% by moles of a metal fluoride or mixture of metal fluorides of the formula MF.sub.n, n being a number equal to 3 or 4, M representing a 5f transition metal when n=4 (fluoride MF.sub.4) and a 4f transition metal or yttrium when n=3 (fluoride MF.sub.3), it being understood that said glasses are free of hydrofluoric acid as the forming element.

REFERENCES:
patent: 3709827 (1973-01-01), Avzel
patent: 4141741 (1979-02-01), Lucas et al.
patent: 4328318 (1982-05-01), Miranday et al.
Nikoliza, G. P. et al., "Fluoroberyllate Glasses of BeF.sub.2 -KF-AlF.sub.3 -YF.sub.3 ", Izvestiya Akademii Nauk. SSSR Inorganic Materials-vol. 7 (3) 1971 pp. 527-529.
Fonteneau, G. et al., "Une Nouvelle Famille de Verres Fluores Transmietteurs Dans L'Infrarouge, Fluorures Vitreux Dans Les Systems ThF.sub.4 -BaF.sub.2 -MF.sub.2 (M=Mn, Zn)", Mat. Res. Bull. vol. 15 (8) pp. 1143-1147, 8 Aug. 1980.
Fonteneau, G. et al., "Nouveaux Verres Fluores Transmetteurs Dans L'Infrarouge Dans Les Systems LnF.sub.3 -BaF.sub.2 -ZnF.sub.2 ", Mat. Res. Bull vol. 15 (10) pp. 1425-1432, Oct. 1980.
Videau, J. et al. "Sur de Nouveaux Verres Aluminofluores", Revue de Chimie Minerale 16 (1979) pp. 393-399, p. 394 Relied On.

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