Polycrystalline transparent spinel sintered body and method of p

Details Polycrystalline transparent spinel sintered body and method of p Polycrystalline transparent spinel sintered body and method of p

1983-05-26

1985-09-24

Bell, Mark L.

Compositions: ceramic

Ceramic compositions

Refractory

423600, 501153, C04B 3544

Patent

active

045433461

ABSTRACT:
The disclosed polycrystalline transparent sintered body contains Al.sub.2 O.sub.3 and MgO at a molar ratio of (0.54:0.46) to (0.58:0.42) and has an in-line transmittance of more than 77% for 1 mm thickness at a light wavelength of 0.6 .mu.m, which sintered body is produced by preparing fine spinel powder through hydrolysis of an isopropanol solution of aluminum isopropoxide and magnesium isopropoxide, forming a shaped body from the powder, and sintering the shaped body.

REFERENCES:
patent: 3212401 (1965-10-01), Navias
patent: 4273587 (1981-06-01), Oda et al.

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