HIGH STRENGTH CERAMICS WITH NOVEL FRACTURE MODE

The present invention provides a method for making a high strength, small grain size ceramic having a transgranular fracture mode by rapid densification of a green body and subsequent cooling of the densified ceramic. The ceramic may include dislocations, defects, dopants, and/or secondary phases th...

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Bibliographic Details
Main Authors KIM, Woohong, HUNT, Michael, SANGHERA, Jasbinder, S, BAYYA, Shyam, S, SADOWSKI, Bryan, AGGARWAL, Ishwar, D, VILLALOBOS, Guillermo, R, ROCK, Benjamin
Format Patent
LanguageEnglish
French
German
Published 13.11.2019
Subjects
ARTIFICIAL STONE
CEMENTS
CERAMICS
CHEMISTRY
COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS
CONCRETE
LIME, MAGNESIA
METALLURGY
REFRACTORIES
SLAG
TREATMENT OF NATURAL STONE
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Summary:The present invention provides a method for making a high strength, small grain size ceramic having a transgranular fracture mode by rapid densification of a green body and subsequent cooling of the densified ceramic. The ceramic may include dislocations, defects, dopants, and/or secondary phases that are formed as a result of the process and resulting in stress fields capable of redirecting or arresting cracks within the material. This ceramic can maintain transparency from ultraviolet to mid-wave infrared.
Bibliography:Application Number: EP20170790408