High electric resistant zirconia and/or hafnia ceramics

Details High electric resistant zirconia and/or hafnia ceramics High electric resistant zirconia and/or hafnia ceramics

1983-12-08

1985-03-26

McCarthy, Helen M.

Compositions: ceramic

Ceramic compositions

Refractory

501103, 501134, 501135, C04B 3500

Patent

active

045073945

ABSTRACT:
Zirconia and/or hafnia-containing ceramics having high electric resistivity and mechanical strength which consists essentially of 5-30 mol % of at least one component of Group A consisting of YO.sub.1.5, ScO.sub.1.5, SmO.sub.1.5, EuO.sub.1.5, GdO.sub.1.5, TbO.sub.1.5, DyO.sub.1.5, HoO.sub.1.5, ErO.sub.1.5, TmO.sub.1.5, YbO.sub.1.5, LuO.sub.1.5, CaO and MgO, 5-40 mol % of at least one component of Group B consisting of NbO.sub.2.5 and TaO.sub.2.5 and 30-90 mol % of at least one component of Group C consisting of ZrO.sub.2 and HfO.sub.2, said ceramics preferably satisfying the following equation

REFERENCES:
patent: 4173518 (1979-11-01), Yamada et al.
patent: 4266979 (1981-05-01), Miyoshi et al.
patent: 4360598 (1982-11-01), Otagiri et al.

Affiliated with

Also associated with

Rating

High electric resistant zirconia and/or hafnia ceramics does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with High electric resistant zirconia and/or hafnia ceramics, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and High electric resistant zirconia and/or hafnia ceramics will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1294388