Effect of the content of La2O3,CeO2 and SiO2 on the sintering behavior and microstruc-ture of AZS-40 material has been studied by means of sintering test and SEM examination,The results show that the porosity of the A...Effect of the content of La2O3,CeO2 and SiO2 on the sintering behavior and microstruc-ture of AZS-40 material has been studied by means of sintering test and SEM examination,The results show that the porosity of the AZS-40 clinker with addition of 0.5% La2O3 or CeO2 could reach 2% under the ondition of 1600℃ for 4 hours.But it is not beneficial to the sintering and microstructure of the clinkers when the addition of the rare earth oxides increases to more than 0.5%,AZS-40 materials become difficult to be sintered as the addition of SiO2 in the materials incereases.展开更多
This paper testifies that aluminium and silicon as well as their carbidex and nitrides can react with CO in carbon-containing zone to form Al2O3 and SiO gas through experiment and thermodyanmic analysis,The gases diff...This paper testifies that aluminium and silicon as well as their carbidex and nitrides can react with CO in carbon-containing zone to form Al2O3 and SiO gas through experiment and thermodyanmic analysis,The gases diffuse to oxidized zone and react with oxidizers such as CO2,As a result ,Al2O3 and SiO2 are deposited from the gases ,wihich block the pores,thus reduce the amount of gas diffusion and increase oxidation resistnace of carbon-containing materials.展开更多
The increase of steel output by converter and electric are furnace has imposed a critical demand in quality and quantity on gunning mix in functioning a longer life of those de-vices linings.The paoer describes the co...The increase of steel output by converter and electric are furnace has imposed a critical demand in quality and quantity on gunning mix in functioning a longer life of those de-vices linings.The paoer describes the consump-tion of gunning mix for converter and EAF and its recent development in variety and quality in China.展开更多
The properties of corundum-mullite-zirco-nia clinkers made by reaction-sintering have been investigated.It is shown that corundum-mullite-zirconia clinkers exhibit lower sintering tempera-ture as well as better therma...The properties of corundum-mullite-zirco-nia clinkers made by reaction-sintering have been investigated.It is shown that corundum-mullite-zirconia clinkers exhibit lower sintering tempera-ture as well as better thermal shock resistance and corrosion resistance,The carbon-bonded alu-mina-mullite-zirconia material possesses satis-factory properties and may have prospects for application in severe process environments such as continuous casting.展开更多
文摘Effect of the content of La2O3,CeO2 and SiO2 on the sintering behavior and microstruc-ture of AZS-40 material has been studied by means of sintering test and SEM examination,The results show that the porosity of the AZS-40 clinker with addition of 0.5% La2O3 or CeO2 could reach 2% under the ondition of 1600℃ for 4 hours.But it is not beneficial to the sintering and microstructure of the clinkers when the addition of the rare earth oxides increases to more than 0.5%,AZS-40 materials become difficult to be sintered as the addition of SiO2 in the materials incereases.
文摘This paper testifies that aluminium and silicon as well as their carbidex and nitrides can react with CO in carbon-containing zone to form Al2O3 and SiO gas through experiment and thermodyanmic analysis,The gases diffuse to oxidized zone and react with oxidizers such as CO2,As a result ,Al2O3 and SiO2 are deposited from the gases ,wihich block the pores,thus reduce the amount of gas diffusion and increase oxidation resistnace of carbon-containing materials.
文摘The increase of steel output by converter and electric are furnace has imposed a critical demand in quality and quantity on gunning mix in functioning a longer life of those de-vices linings.The paoer describes the consump-tion of gunning mix for converter and EAF and its recent development in variety and quality in China.
文摘The properties of corundum-mullite-zirco-nia clinkers made by reaction-sintering have been investigated.It is shown that corundum-mullite-zirconia clinkers exhibit lower sintering tempera-ture as well as better thermal shock resistance and corrosion resistance,The carbon-bonded alu-mina-mullite-zirconia material possesses satis-factory properties and may have prospects for application in severe process environments such as continuous casting.
