Hot isostatic pressing of fluoride glass materials

Details Hot isostatic pressing of fluoride glass materials Hot isostatic pressing of fluoride glass materials

1990-12-21

1992-01-07

Lindsay, Robert L.

Glass manufacturing

Processes

Forming product or preform from molten glass

65102, 65134, 65DIG16, 65136, 501 40, 501904, C03B 3710

Patent

active

050787683

ABSTRACT:
Defect-free fluoride glass materials are made by hot isostatic pressing (HIP) of a fluoride glass. The process may be used to manufacture preforms or bulk fluoride glass. The external pressure applied during HIP squeezes bubbles from the glass and permits the use of a wider range of working temperatures than ordinarily available, thereby reducing crystallization defects.

REFERENCES:
patent: 3211540 (1965-10-01), Cole
patent: 3224851 (1965-12-01), Hicks
patent: 3355273 (1967-11-01), Siegmund et al.
patent: 4428524 (1984-01-01), Bhatti et al.
patent: 4695305 (1987-09-01), Classen
patent: 4707174 (1987-11-01), Johnson et al.
patent: 4789389 (1988-12-01), Schermerhorn et al.
patent: 4872894 (1989-10-01), Hutta
patent: 4969944 (1990-11-01), Marechal
Halide Glasses for Infrared Fiberoptics, Almeida, 1987, Martinus Nijhoff lishers, Boston, pp. 139-146, 187-196.

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