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Fabrication and Properties of Lightweight Microporous Magnesia-based Refractories Using Low-grade Magnesite via One-step Sintering Method: 《China's Refractories》2025年第1期1-11,共11页LI Zilong HUANG Ao ZOU Yongshun LIU Yangxi GU Huazhi FU Lyuping; National Natural Science Foundation of China(52302027,52272022 and 52472032).; Traditional magnesia-based refractories face challenges such as high thermal conductivity and poor slag penetration resistance,which contradict the energy efficiency requirements of modern metallurgy.In this study,mic...; 关键词：microporous magnesia lightweight dry vibration mix slag resistance MAGNESITE thermal conductivity

Influence of Matrix Composition on Properties of Lightweight Magnesia-silica Castables: 《China's Refractories》2024年第4期14-18,共5页MENG Qingxin GAO Lei LIU Yabo GUO Qiwei ZHOU Mengxue; To maintain the volume stability of lightweight magnesia-silica castables during heating,lightweight spherical forsterite aggregates(8-5,5-3,3-1 and 1-0 mm),pre-synthesized forsterite fine powder(≤0.074 and≤0.044 mm...; 关键词：lightweight spherical forsterite aggregates magnesia-silica castables matrix composition properties

Research Progress of Additives to Improve Hydration Resistance of Magnesia-calcium Materials: 《China's Refractories》2024年第1期28-33,共6页ZANG Weinan LUAN Jian WANG Chunyan MIAO Zhenhua LI Jia HAN Haopeng; Magnesia-calcium materials have stable hot performance,good resistance to the erosion and corrosion of liquid steel and steel slag,and a special role in purifying liquid steel,so they are widely used in iron and steel...; 关键词：ADDITIVES magnesia-calcium materials hydration resistance

Corrosion Mechanism of Alumina-magnesia Dry Materials for Smelting Manganese/chromium Steel in Coreless Medium Frequency Induction Furnaces被引量：1: 《China's Refractories》2023年第4期8-15,共8页LIU Chenchen HUANG Ao NIE Jianhua GU Huazhi QIN Chuanjiang Lidah Mpoli NACHILIMA; the National Natural Science Foundation of China(52272022);Key Program of Natural Science Foundation of Hubei Province(2021CFA071).; Alumina-magnesia dry materials are widely used in induction furnace linings, but they show different kinds of damage when melting different kinds of alloy steel. In this paper, the chemical composition, phase composit...; 关键词：coreless medium frequency induction furnace manganese/chromium steel alumina-magnesia dry materials sintering layer corrosion mechanism

Research on Corrosion Resistance of Checker Bricks in Regenerators of Glass Furnaces: 《China's Refractories》2023年第1期20-24,共5页AN Yi LIU Hao WANG Zhoufu MA Yan WANG Xitang; support from the National Natural Science Foundation of China(U20A20239);the Key Research and Development Project of Hubei Province,China(2022BAA032).; To extend the service life of the upper checker bricks in the regenerator of glass furnaces with petroleum coke as fuel,the corrosion resistance of magnesia-chrome and alumina-chrome bricks with the similar apparent p...; 关键词：REGENERATOR corrosion resistance magnesia-chrome refractories alumina-chrome refractories

Influence of Flotation Magnesia Particles and Al_(2)O_(3) Fines on Properties of Periclase-spinel Bricks: 《China's Refractories》2022年第4期12-15,共4页LI Yanjing SUN Jialin LI Yong KANG Jian MA Shulong MA Fei ZHANG Jili; Periclase-spinel bricks were prepared using sintered magnesia,flotation magnesia,fused magnesium aluminate spinel and calcined Al_(2)O_(3)fines as the starting materials and calcium lignosulfonate as the binder,mixing...; 关键词：flotation magnesia alumina fines periclase-spinel brick thermal shock resistance hot toughness

Phase Reconstruction and Microstructure Evolution of Magnesia-carbon Refractories at High Temperatures in Nitrogen被引量：1: 《China's Refractories》2022年第3期14-23,共10页YAN Mingwei YANG Yumin TONG Shanghao ZHANG Jiayu SUN Guangchao LIU Kaiqi; Magnesia-carbon refractories were prepared using fused magnesia,flake graphite and metal aluminum powder as starting materials,phenolic resin as the binder,heat-treating at 1300-1600℃in nitrogen atmosphere.The phase ...; 关键词：magnesia-carbon refractory phase reconstruction MICROSTRUCTURE non-oxide MAGNESIA

Preparation of Magnesia Insulation Materials by Walnut Shell Powder Impregnated with Silica Sol: 《China's Refractories》2022年第3期34-37,共4页JIAO Changfa LI Guohua KANG Chi; In order to reduce the thermal energy loss of high temperature kilns and furnaces and lower the surface temperature of the kiln body,magnesia insulation materials were prepared using self-made magnesia porous aggregat...; 关键词：foaming method ignition loss method walnut shell powder impregnated with silica sol magnesia porous aggregates magnesia insulation materials

Development and Application of Carbon-free Al_(2)O_(3)-MgO Dense Bricks for Steel Ladles: 《China's Refractories》2022年第2期35-39,共5页LUO Ming FANG Binxiang WEI Guoping LIU Guangping SHEN Mingke SONG Yanan; Carbon-free Al_(2)O_(3)-MgO dense bricks were produced by the pressing method,using tabular alumina,white fused alumina,alumina micro-powder as main raw materials,and inorganic powder as the binder.The comprehensive p...; 关键词：refining ladle alumina-magnesia material carbon-free dense brick precast block damage mechanism

Sintering Complexity of Magnesia-chrome Refractories: 《China's Refractories》2022年第1期16-23,共8页GUO Zongqi MA Ying LI Yong; Magnesia-chrome refractories are appropriate to work under cyclic temperatures or atmospheric conditions because some oxides of chrome ore readily release oxygen(are reduced)upon heating and pick up oxygen(are oxidize...; 关键词：magnesia-chrome refractory silicate bond direct bond secondary chromite spinel

MAGNESIA