摘要:
The inventive sintered product is produced from an initial feedstock having a zirconium content ranging from 75 to 99% and the following average chemical weight composition, in percentage by weight, based on oxides: 60 %=ZrO2+HfO2=75%, 27%=SiO2=34%, 0.2=TiO2=1.5 %, 0.3
摘要:
The inventive sintered product is produced from an initial feedstock having a zirconium content ranging from 75 to 99% and the following average chemical weight composition, in percentage by weight, based on oxides: 60%=ZrO2+HfO2=75%, 27%=SiO2=34%, 0.2=TiO2=1.5 %, 0.3
摘要:
The invention provides a novel fused and cast refractory product with a high zirconia content having improved electrical resistivity. Said refractory product comprises, as a percentage by weight relative to the oxides and for a total of more than 98.5%: ZrO2+Hf2O: >85% SiO2: 1% to 12% Al2O3: 0.1% to 2.4%, with Al2O3/SiO2
摘要:
A novel fused and cast refractory product with a high zirconia content having improved electrical resistivity includes, as a percentage by weight relative to the oxides and for a total of more than 98.5%: ZrO2+Hf2O: >85% SiO2: 2% to 10% Al2O3: 0.1% to 2.4%, with Al2O3/SiO2
摘要:
An AZS type fused cast refractory product presenting the following chemical composition, as a percentage by weight: ZrO2: 15.5% to 22%; SiO2: 10.5% to 15%; Na2O+K2O+Li2O: 1.0% to 2.5%; impurities:
摘要翻译:具有以下化学组成的AZS型熔铸耐火产品,重量百分比:ZrO 2:15.5%至22%; SiO 2:10.5%〜15%; Na 2 O + K 2 O + Li 2 O:1.0%至2.5%; 杂质:<1%。 适用于玻璃熔炉,特别是其上部结构和顶部。
摘要:
A novel fused and cast refractory product with a high zirconia content having improved electrical resistivity includes, as a percentage by weight relative to the oxides and for a total of more than 98.5%: ZrO2 + Hf2O:>85% SiO2:2% to 10% Al2O3:0.1% to 2.4%, with Al2O3/SiO2
摘要翻译:具有改善的电阻率的具有高氧化锆含量的新型熔融和铸造耐火产品包括以相对于氧化物的重量百分比和总计超过98.5%的ZrO 2 + Hf 2 O:> 85%SiO 2:2%至10 %Al2O3:0.1%〜2.4%,Al2O3 / SiO2 <0.5 Y2O3:&nlE; 1%,B2O3:<1.5%; 和选自由V2O5,CrO3,Nb2O5,MoO3,Ta2O5,WO3及其混合物形成的基团的掺杂物,其加权量使得:0.2%&amp; NlE; 2.43V 2 O 5 + 8.84CrO 3 + 1.66Nb 2 O 5 + 6.14MoO 3 + Ta 2 O 5 + 3.81WO3。
摘要:
An AZS type fused cast refractory product presenting the following chemical composition, as a percentage by weight: ZrO2: 15.5% to 22%; SiO2: 10.5% to 15%; Na2O+K2O+Li2O: 1.0% to 2.5%; impurities:
摘要:
The invention provides a novel fused and cast refractory product with a high zirconia content having improved electrical resistivity. Said refractory product comprises, as a percentage by weight relative to the oxides and for a total of more than 98.5%: ZrO2+Hf2O: >85% SiO2: 1% to 12% Al2O3: 0.1% to 2.4%, with Al2O3/SiO2
摘要翻译:本发明提供了具有改善的电阻率的具有高氧化锆含量的新颖的熔融和铸造耐火产品。 所述耐火产品包含相对于氧化物的重量百分数,总计超过98.5%:ZrO 2 + Hf 2 O:> 85%SiO 2, 1%至12%的Al 2 O 3:0.1%至2.4%,其中Al 2 O 3 < SiO 2 / SiO 2:<= 1%,B 2 u> 3 u> <3%:<1.5%; 和选自由V 2 O 5,CrO 3,Nb 2 O O 2,SUB 2 O 5,N 2 O 3, 5,MoO 3,Ta 2 O 5,WO 3,及其混合物, 加权量使得:<?in-line-formula description =“In-line Formulas”end =“lead”?> 0.2%<= 2.43V 2 u> 3 + 8.84CrO 3 + 1.66Nb 2 O + 5 + 6.14MoO 3 + Ta 2 β-in-line-formula description =“In-line Formulas”end =“tail”?> sub>
摘要:
The invention relates to a mixture of fused grains mainly comprising or composed of an oxide phase of pseudo-brookite type and comprising titanium, aluminum and magnesium, said fused grains having the following chemical composition, in weight percentages on the basis of the oxides: less than 55% of Al2O3; more than 30% and less than 70% of TiO2; more than 1% and less than 15% of MgO, said fused grains also corresponding to the following composition, in molar percentages and on the basis of the single oxides Al2O3, TiO2, MgO: 180≦3t+a≦220, a≦50, m=100−a−t, in which: a is the molar percentage of Al2O3; t is the molar percentage of TiO2; m is the molar percentage of MgO.The invention also relates to a ceramic product obtained from such fused grains.
摘要:
A mixture of fused grains mainly comprising or composed of an oxide phase of pseudo-brookite type and comprising titanium, aluminum and magnesium, the fused grains having the following chemical composition, in weight percentages on the basis of the oxides: less than 55% of Al2O3; more than 30% and less than 70% of TiO2; more than 1% and less than 15% of MgO, the fused grains also corresponding to the following composition, in molar percentages and on the basis of the single oxides Al2O3, TiO2, MgO: 180≦3t+a≦220, a≦50, m=100−a−t, in which: a is the molar percentage of Al2O3; t is the molar percentage of TiO2; m is the molar percentage of MgO. A ceramic product obtained from such fused grains.