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    • 5. 发明授权
    • Fused-cast refractory
    • 熔铸耐火材料
    • US3879210A
    • 1975-04-22
    • US26283072
    • 1972-06-14
    • CARBORUNDUM CO
    • LABAR RICHARD GARY
    • C04B35/657C04B35/107C04B35/10
    • C04B35/107
    • An improved high alumina fused-cast refractory which has a composite structure of massive primary corundum bonded with a refractory aluminum borosilicate glass. Articles formed from this refractory demonstrate superior resistance to corrosive and erosive conditions encountered in high temperature applications as well as resistance to deformation and cracking. The preferred composition of the refractory comprises about 99 weight percent of alumina, with about 0.5 weight percent each of boric oxide and silica. Small amounts of other metallic oxides will adversely effect the properties of the refractory if they are present in amounts of more than 0.3 weight percent.
    • 一种改进的高铝熔融铸造耐火材料,其具有与耐火铝硼硅酸盐玻璃结合的大块初生刚玉的复合结构。 由该耐火材料形成的制品在高温应用中遇到的腐蚀性和腐蚀性条件以及抗变形和开裂性能方面都表现出优异的抗性。 耐火材料的优选组合物包含约99重量%的氧化铝,每个氧化硼和二氧化硅约0.5重量%。 少量的其他金属氧化物如果以超过0.3重量%的量存在,则会对耐火材料的性能产生不利影响。