A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
The invention relates to a fritted ball comprising the following crystallised phases, in weight percentages on the basis of the crystallised phases and in relation to a total of 100%: 25% <=zirconium,or Z1, <= 94%; 4% <= stabilised zirconium + stabilised hafnia, or Z2, <=61 %; monoclinic zirconium + monoclinic hafnia, or Z3<= 50%; corindon <= 57%; crystallised phases other than Z1, Z2, Z3 and corindon <= 10%; and the following chemical composition, in weight percentages on the basis of the oxides and in relation to a total of 100%: 33% <= ZrO2 + HfO2, or Z4 <= 83,4%; HfO2 <= 2%; 10,6% < Si2 <34,7%; Al2O3 <= 50%; 0% <= Y2O3, or Z5; 0% < CeO2, or Z6; 0,3% <= Ce02 + Y2O3 <= 19%, provided that (1) CeO2 + 3,76*Y2O3 >= 0,128*Z, and (2) CeO2 + 1,3*Y2O3 <= 0,318*Z, with Z=Z4+Z5+Z6-(0,67*Z1*(Z4+Z5+Z6)/(0,67*Z1+Z2+Z3)); MgO <= 5%; CaO <= 2%; as well as oxides other than ZrO2, HfO2, SiO2, Al2O3, MgO, CaO, CeO2 and Y2O3 <= 5,0%.
本发明涉及一种烧结的珠粒，其具有：‑以下结晶相，以基于结晶相的质量百分比计且总计为100％：‑25％≤锆石，或“Z”≤94％；‑4％≤稳定化的氧化锆+稳定化的二氧化铪，或“Z”≤61％；‑单斜氧化锆+单斜二氧化铪，或“Z”≤50％；‑刚玉≤57％；‑除Z、Z、Z和刚玉之外的结晶相≤10％；‑以下化学组成，以基于氧化物的质量百分比计且总计为100％：33％≤ZrO+HfO，或“Z”≤83.4％；HfO≤2％；10.6％
The invention relates to a fritted ball comprising the following crystallised phases, in weight percentages on the basis of the crystallised phases and in relation to a total of 100%: 25% <=zirconium,or Z1, <= 94%; 4% <= stabilised zirconium + stabilised hafnia, or Z2, <=61 %; monoclinic zirconium + monoclinic hafnia, or Z3<= 50%; corindon <= 57%; crystallised phases other than Z1, Z2, Z3 and corindon <= 10%; and the following chemical composition, in weight percentages on the basis of the oxides and in relation to a total of 100%: 33% <= ZrO2 + HfO2, or Z4 <= 83,4%; HfO2 <= 2%; 10,6% < Si2 <34,7%; Al2O3 <= 50%; 0% <= Y2O3, or Z5; 0% < CeO2, or Z6; 0,3% <= Ce02 + Y2O3 <= 19%, provided that (1) CeO2 + 3,76*Y2O3 >= 0,128*Z, and (2) CeO2 + 1,3*Y2O3 <= 0,318*Z, with Z=Z4+Z5+Z6-(0,67*Z1*(Z4+Z5+Z6)/(0,67*Z1+Z2+Z3)); MgO <= 5%; CaO <= 2%; as well as oxides other than ZrO2, HfO2, SiO2, Al2O3, MgO, CaO, CeO2 and Y2O3 <= 5,0%.
本发明涉及一种烧结的珠粒，其具有：‑以下结晶相，以基于结晶相的质量百分比计且总计为100％：‑25％≤锆石，或“Z”≤94％；‑4％≤稳定化的氧化锆+稳定化的二氧化铪，或“Z”≤61％；‑单斜氧化锆+单斜二氧化铪，或“Z”≤50％；‑刚玉≤57％；‑除Z、Z、Z和刚玉之外的结晶相≤10％；‑以下化学组成，以基于氧化物的质量百分比计且总计为100％：33％≤ZrO+HfO，或“Z”≤83.4％；HfO≤2％；10.6％
Fritted zirconium balls
烧结的锆石珠粒
NONNET EMMANUEL (author)
2020-05-01
Patent
Electronic Resource
Chinese
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