HEAT-RESISTANT CERAMIC ARTICLE AND ASSOCIATED MOULDED ARTICLE Russian patent published in 2012 - IPC C04B35/43 C04B35/484 

Abstract RU 2467982 C2

FIELD: chemistry.

SUBSTANCE: invention relates to a heat-resistant ceramic article for facing high-temperature ferrous and non-ferrous metallurgy assemblies, as well as mineral material kilns. The moulded fire-resistant ceramic article is made using an additive formed from a solidified melt and consisting of ≥95 wt % MgO and calcium zirconate, with MgO content between 45 wt % and 65 wt % and content of calcium zirconate between 35 wt % and 55 wt %. The moulded heat-resistant article with a MgO-based matrix contains said additive in amount of 3-30 wt %, and consists of more than 95 wt % periclase and calcium zirconate structural phases.

EFFECT: improved fracture mechanics properties of articles.

13 cl, 1 tbl, 1 dwg

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RU 2 467 982 C2

Authors

Nilika Roland

Mjuller Mira-Annika

Dates

2012-11-27Published

2009-03-21Filed