Transformation Range Viscosity of Fluorozirconate Glasses

James E. Shelby; Carlo G. Pantano; Aleta A. Tesar

doi:10.1111/j.1151-2916.1984.tb19183.x

Transformation Range Viscosity of Fluorozirconate Glasses

James E. Shelby, Carlo G. Pantano, Aleta A. Tesar

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Abstract

Transformation range viscosity was measured for multicomponent fluorozirconate glasses in the system 0.56ZrF₄·(0.34‐x)BaF₂·0.06LaF₃·0.04AlF₃·xRF, where R =Li, Na, K, or Cs. The results indicate that the viscosity of these glasses can be described by an Arrhenius equation over the viscosity range from 10⁷ to 10¹² Pa·s with an activation energy of the order of 650 to 850 kJ. In general, the effects of alkali fluoride additions on the viscosity of fluorozirconate glasses are comparable to those in silicate systems.

Original language	English (US)
Pages (from-to)	C‐164-C‐165
Journal	Journal of the American Ceramic Society
Volume	67
Issue number	8
DOIs	https://doi.org/10.1111/j.1151-2916.1984.tb19183.x
State	Published - Aug 1984

All Science Journal Classification (ASJC) codes

Ceramics and Composites
Materials Chemistry

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10.1111/j.1151-2916.1984.tb19183.x

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title = "Transformation Range Viscosity of Fluorozirconate Glasses",

abstract = "Transformation range viscosity was measured for multicomponent fluorozirconate glasses in the system 0.56ZrF4·(0.34‐x)BaF2·0.06LaF3·0.04AlF3·xRF, where R =Li, Na, K, or Cs. The results indicate that the viscosity of these glasses can be described by an Arrhenius equation over the viscosity range from 107 to 1012 Pa·s with an activation energy of the order of 650 to 850 kJ. In general, the effects of alkali fluoride additions on the viscosity of fluorozirconate glasses are comparable to those in silicate systems.",

author = "Shelby, {James E.} and Pantano, {Carlo G.} and Tesar, {Aleta A.}",

year = "1984",

month = aug,

doi = "10.1111/j.1151-2916.1984.tb19183.x",

language = "English (US)",

volume = "67",

pages = "C‐164--C‐165",

journal = "Journal of the American Ceramic Society",

issn = "0002-7820",

publisher = "Wiley-Blackwell",

number = "8",

}

TY - JOUR

T1 - Transformation Range Viscosity of Fluorozirconate Glasses

AU - Shelby, James E.

AU - Pantano, Carlo G.

AU - Tesar, Aleta A.

PY - 1984/8

Y1 - 1984/8

N2 - Transformation range viscosity was measured for multicomponent fluorozirconate glasses in the system 0.56ZrF4·(0.34‐x)BaF2·0.06LaF3·0.04AlF3·xRF, where R =Li, Na, K, or Cs. The results indicate that the viscosity of these glasses can be described by an Arrhenius equation over the viscosity range from 107 to 1012 Pa·s with an activation energy of the order of 650 to 850 kJ. In general, the effects of alkali fluoride additions on the viscosity of fluorozirconate glasses are comparable to those in silicate systems.

AB - Transformation range viscosity was measured for multicomponent fluorozirconate glasses in the system 0.56ZrF4·(0.34‐x)BaF2·0.06LaF3·0.04AlF3·xRF, where R =Li, Na, K, or Cs. The results indicate that the viscosity of these glasses can be described by an Arrhenius equation over the viscosity range from 107 to 1012 Pa·s with an activation energy of the order of 650 to 850 kJ. In general, the effects of alkali fluoride additions on the viscosity of fluorozirconate glasses are comparable to those in silicate systems.

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DO - 10.1111/j.1151-2916.1984.tb19183.x

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SP - C‐164-C‐165

JO - Journal of the American Ceramic Society

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ER -

Transformation Range Viscosity of Fluorozirconate Glasses

Abstract

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