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    • 9. 发明申请
    • HIGH STRENGTH GLASS COMPOSITION AND FIBERS
    • 高强度玻璃组合物和纤维
    • WO2012087313A1
    • 2012-06-28
    • PCT/US2010/061810
    • 2010-12-22
    • AGY HOLDING CORPORATIONHAUSRATH, RobertLONGOBARDO, Anthony
    • HAUSRATH, RobertLONGOBARDO, Anthony
    • C03C3/087C03C3/085C03C13/00C03C4/00C08J5/08
    • C08J5/043C03C3/087C03C13/00
    • Glass compositions and high-modulus, and high-strength glass fibers made therefrom, being capable of economical, continuous processing and suitable for the production of high-strength and/or high stiffness, low-weight composites, such as windturbine blades, the glass composition comprises the following constituents in the limits defined below, expressed as weight percentages: between about 56 to about 61 weight percent SiO 2 ; between about 16 to about 23 weight percent Al 2 O 3 , wherein the weight percent ratio of SiO 2 /Al 2 O 3 is between about 2 to about 4; between about 8 to about 12 weight percent MgO; between about 6 to about 10 weight percent CaO, wherein the weight percent ratio of MgO/CaO is between about 0.7 to about 1.5; between about 0 to about 2 weight percent Na 2 O; less than about 1 weight percent Li 2 O; and total residual transition metal oxides of less than about 2 weight percent.
    • 玻璃组合物和由其制成的高模量和高强度玻璃纤维能够经济,连续加工并且适合于生产高强度和/或高刚度,低重量的复合材料,例如风力发电机叶片,玻璃 组合物包含以下限定的下列组分,表示为重量百分比:约56至约61重量%的SiO 2; 在约16至约23重量%的Al 2 O 3之间,其中SiO 2 / Al 2 O 3的重量百分比为约2至约4; 约8至约12重量%的MgO; 约6至约10重量%的CaO,其中MgO / CaO的重量百分比为约0.7至约1.5; 约0至约2重量%的Na 2 O; 小于约1重量%的Li 2 O; 以及小于约2重量%的总剩余过渡金属氧化物。