利用六钛酸钾晶须(K2O·6TiO2)对苯并噁嗪(BOZ)树脂及玻璃纤维/苯并噁嗪(GF/BOZ)复合材料的摩擦磨损性能进行改性,分析了K2O·6TiO2/BOZ复合材料以及K2O·6TiO2-GF/BOZ混杂复合材料的摩擦磨损性能以及改性机理.结果表明:因K2O· 6TiO2的加入,K2O·6TiO2/BOZ复合材料以及K2O·6TiO2-GF/BOZ混杂复合材料的摩擦系数和比磨损率较纯BOZ树脂和GF/BOZ复合材料的明显降低.K2O· 6TiO2显著减轻了BOZ树脂和GF/BOZ复合材料的摩擦粘着状况,使摩擦系数降低,同时磨粒磨损情况也大为减轻.GF/BOZ复合材料在摩擦过程中摩擦应力通过率先破坏GF和BOZ树脂的界面,进而诱发破坏GF束内、GF束间和层间BOZ树脂,使得GF/BOZ复合材料的摩擦系数比BOZ树脂降低,但比磨损率较BOZ树脂升高,而K2O·6TiO2的加入,使K2O· 6TiO2-GF/BOZ混杂复合材料的比磨损率有效降低.BOZ树脂、GF/BOZ、K2O·6TiO2-GF/BOZ 3种材料的摩擦系数和比磨损率分别为0.34和0.66×10-6 mm3·(N·m)-1,0.19和1.2×10-6 mm3·(N·m)-1,0.09和0.69×10-6 mm3· (N· m)-1.
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