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复合材料齿轮弯曲强度仿真与试验研究
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装备预研共用技术和领域基金(106-418321001);陕西省教育厅自然专项基金项目(17JK0551);陕西省青年杰出人才支持计划配套基金(106-451420001);2021年度教育部人文社会科学研究(21XJC760003)


Simulation and Experimental Research on the Bending Strength of Composite Gears
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    摘要:

    三维编织复合材料的性能与编织参数密切相关,为了研究碳纤维编织复合材料齿轮的弯曲性能及其与编织参数的关系,提出复合材料及齿轮弯曲性能预测模型。基于代表性体积单胞法和均质化思想建立复合材料的细观、宏观双尺度模型,采用体积平均法、借助有限元手段预测复合材料及齿轮的弯曲性能。并且,采用四步法编织及模压成型方法制备两对碳纤维编织复合材料齿轮,通过试验获得特定编织参数下复合材料及齿轮的弯曲性能。预测结果与试验结果吻合良好,验证了预测模型的准确性。最后,进行了多组编织参数下复合材料及齿轮弯曲性能的预测,得到了编织角和纤维体积分数对复合材料及齿轮弯曲性能的影响规律,并给出了使复合材料齿轮弯曲性能最佳的编织参数。

    Abstract:

    Mechanical property of 3-D braided composites is closely related with braiding parameters.In order to study the bending performance of carbon fiber braided composite gears and its relationship with braiding parameters,a prediction model of composites and gears bending performance was proposed.Based on the representative volume cell method and the idea of homogenization,a mesoscopic and macroscopic model of composites was established.The volume average method and the finite element method were used to predict the bending performance of composites and gears.In addition,two pairs of carbon fiber braided composite gears were prepared by four-step braiding and compression molding methods,and the bending performance of the composites and the gears under specific braiding parameters was obtained through experiments.The prediction results are in good agreement with the test results,which verifies the accuracy of the prediction model.Finally,the bending performance of composites and gears was predicted under multiple sets of braiding parameters,and the influence of braided angle and fiber volume fraction on the bending performance of composites and gears was obtained,and the braiding parameters that made the bending performance of composite gears to be the best were given

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刘峰峰,王旭鹏,唐欣尧,刘舒伟,张卫亮.复合材料齿轮弯曲强度仿真与试验研究[J].机床与液压,2023,51(9):90-96.
LIU Fengfeng, WANG Xupeng, TANG Xinyao, LIU Shuwei, ZHANG Weiliang. Simulation and Experimental Research on the Bending Strength of Composite Gears[J]. Machine Tool & Hydraulics,2023,51(9):90-96

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  • 在线发布日期: 2023-05-29
  • 出版日期: 2023-05-15