以磷酸铬铝(ACP)为基体,高硅氧纤维布为增强材料,Cr2O3和Al2O3为填料,通过热压成型制得磷酸铬铝基复合材料.采用TG-DSC和XRD等探讨了磷酸铬铝基体的固化特性和耐热性能,并研究了复合填料、纳米填料及热压工艺对材料力学性能的影响.结果表明,ZnO可以降低磷酸铬铝的固化温度并促进其晶型转变;复合填料Cr2O3和Al2O3可以提高材料的耐热性,当Cr2 O3和Al2O3之比为7∶3且纳米Cr2O3加入量为5%时,复合材料的力学性能最好,其拉伸强度为95.2MPa,弯曲强度为190.02MPa.
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