Process for the manufacture of articles of translucent alumina

Details Process for the manufacture of articles of translucent alumina Process for the manufacture of articles of translucent alumina

1975-10-17

1977-06-21

Arnold, Donald J.

Plastic and nonmetallic article shaping or treating: processes

Including step of generating heat by friction

51309A, 106 65, 264 66, F27B 904, F27D 706

Patent

active

040311775

ABSTRACT:
Final sintering of an alumina powder containing a small portion of magnesia, baryta, lanthana, yttria, or salts of magnesium, barium, lanthanum or yttrium, in a non-oxidizing carbon monoxide atmosphere at a temperature above 1700.degree. C produces a translucent alumina article.

REFERENCES:
patent: 3026210 (1962-03-01), Coble
patent: 3377176 (1968-04-01), Wolkodoff
patent: 3615306 (1971-10-01), Jones et al.
patent: 3641227 (1972-02-01), Horsley et al.
patent: 3679383 (1972-07-01), Hack et al.
patent: 3711585 (1973-01-01), Muta

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