- 专利标题： GRAINS FONDUS DE ZIRCONE - SPINELLE ET PRODUIT REFRACTAIRE OBTENU A PARTIR DESDITS GRAINS
- 专利标题（英）： EP3365304A1 - Fused spinel-zirconia grains and refractory product obtained from said grains
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申请号： EP16806214.9申请日： 2016-10-19
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公开(公告)号： EP3365304A1公开(公告)日： 2018-08-29
- 发明人: RAFFY, Stéphane , NAHAS, Nabil
- 申请人： Saint-Gobain Centre De Recherches Et D'etudes Europeen
- 申请人地址： 18 avenue d'Alsace Les Miroirs 92400 Courbevoie FR
- 专利权人： Saint-Gobain Centre De Recherches Et D'etudes Europeen
- 当前专利权人： Saint-Gobain Centre De Recherches Et D'etudes Europeen
- 当前专利权人地址： 18 avenue d'Alsace Les Miroirs 92400 Courbevoie FR
- 代理机构： Saint-Gobain Recherche
- 优先权： FR1559926 20151019; FR1559925 20151019
- 国际公布： WO2017068283 20170427
- 主分类号： C04B35/117
- IPC分类号： C04B35/117 ; C04B35/119 ; C04B35/18 ; C04B35/48 ; C04B35/482 ; C04B35/66
摘要：
The invention relates to fused grains, said grains comprising a spinel-zirconia eutectic matrix encapsulating inclusions essentially formed by a zirconia phase or a spinel phase. The overall chemical composition of the grains is as follows, expressed by weight percent in the form of oxides: more than 45.0% and less than 95.0% Zr02; more than 3.0% and less than 40.0% Al203; more than 1.0% and less than 20.0% MgO; Zr02, Al2O3 and MgO together representing at least 95.0% of the weight of the grains.
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