Plastic and nonmetallic article shaping or treating: processes – Optical article shaping or treating – Utilizing plasma – electric – electromagnetic – particulate – or...
Patent
1977-05-26
1978-10-03
White, Robert F.
Plastic and nonmetallic article shaping or treating: processes
Optical article shaping or treating
Utilizing plasma, electric, electromagnetic, particulate, or...
264322, 264325, C04B 3564
Patent
active
041184483
ABSTRACT:
Fine-grained polygonized halide bodies are formed having comparable optical properties to a single crystal halide body. Heat and force are applied to the halide body to reduce the dimension of the body in one direction while the body is constrained in other directions.
REFERENCES:
patent: 3185750 (1965-05-01), Backner
patent: 3933970 (1976-01-01), Rosette et al.
Koepke et al., "Room Temperature Grain Growth in Potassium Chloride," J. Appl. Phys., vol. 45, No. 2, pp. 969-970.
Becher et al.,"Strengthening effects in press forged KCl", J. Appl. Phys., vol. 44, No. 6, pp. 2915-2916.
Johnson et al., "Mechanical Behavior of Single Crystal and Polycrystalline Cesium Bromide," J. Am. Cer. Soc., vol. 47, No. 9, pp. 437-444.
Stokes et al., "Dislocations and Strength of Polycrystalline Ceramics," Natural Science Research, vol. 1, pp. 133-157 (1963).
Bernal et al., "Preparation and Characterization of Polycrystalline Halides for Use in High Power Laser Windows," AD-751655, 10-15-72.
Dahle Omund R.
Honeywell Inc.
Parrish John A.
White Robert F.
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