发明名称 |
Molten grains of alumina-zirconia |
摘要 |
The invention relates to a fused grit having the following chemical analysis, in wt %: ZrO2+HfO2: 38.0-46.0%; Al2O3: the remainder up to 100%; SiO2: 0.20-0.60%; Y2O3: 0.45 to 0.70%; TiO2: 1.00 to 2.00%; other oxides: <1.00%, the ratio of Y2O3/SiO2 being 0.80 to 2.00, and the tetragonal phase being 60 to 90% of the weight of the zirconia, the remainder being in monoclinic form. |
申请公布号 |
US9212097(B2) |
申请公布日期 |
2015.12.15 |
申请号 |
US201013389011 |
申请日期 |
2010.08.04 |
申请人 |
SAINT-GOBAIN CENTRE DE RECHERCHES ET D' ETUDES EUROPEEN |
发明人 |
Marlin Samuel;Langohr David;Petigny Sylvain |
分类号 |
B24D3/00;B24D3/02;B24D11/00;B24D18/00;C09K3/14;C04B35/109 |
主分类号 |
B24D3/00 |
代理机构 |
Cooper Legal Group, LLC |
代理人 |
Cooper Legal Group, LLC |
主权项 |
1. A fused grit having the following chemical composition, in percentages by weight:
ZrO2 +HfO2 : 38.0 to 46.0% Al2O3 : balance to 100% SiO2 : 0.20 to 0.60% Y2O3 0.45 to 0.70% TiO2 : 1.00 to 2.00% other elements, expressed in oxide form: <1.00%, Y2O3/SiO2 ratio being between 0.80 and 2.00, and a tetragonal phase representing between 60 and 90% of the mass of zirconia, the remainder being in the monoclinic form. |
地址 |
Courbevoie FR |