8%,摩擦系数降低了25.0%,磨损率降低了77.9%.纳米Si3N4粒子可较好地分散在树脂基体中,起到均匀分散应力的作用,从而增强材料的韧性;BMI/CE树脂为塑性变形和粘着磨损,而纳米Si3N4含量为3.0wt%时复合材料为粘着磨损.
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