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对新型骨折内固定材料碳纤维增强聚乳酸(C/PLA)复合材料的力学性能进行了评价.重点研究了纤维体积分数(Vf)和硝酸表面处理对C/PLA复合材料力学性能的影响规律.研究表明,随着Vf的增加,复合材料的弯曲强度、弯曲模量、冲击强度和剪切强度均先增加,达峰值后又减小.硝酸表面处理可明显提高复合材料的界面结合强度,从而使其力学性能明显提高.

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