三维机织复合材料曲板固化变形研究
TB332; 建立了考虑非均匀温度场影响的复合材料曲板残余应力和固化变形的有限元预测模型,模拟了三维机织复合材料曲板的 RTM成型过程,分析了成型过程中曲板温度、固化度及内应力的分布与变化.结果表明,在成型过程中曲板会形成非均匀的温度场和内应力场.温度场的均匀性对曲板变形有较大的影响,若不考虑非均匀温度场的影响会使误差增大 10%～15%.使用 RTM工艺制备了三维机织复合材料曲板并采用热电偶对成型过程中曲板内部的温度进行监测,利用工业光学扫描仪对曲板的固化变形进行测量.预测结果与实验结果吻合较好,验证了所建立数值模型的准确性,同时还分析了固化温度和厚度对固化变形的影响....
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| Published in | 材料工程 Vol. 51; no. 7; pp. 163 - 170 |
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| Main Authors | , , , |
| Format | Journal Article |
| Language | Chinese |
| Published |
同济大学 航空航天与力学学院,上海 200092%上海超碳石墨烯产业技术有限公司,上海 200444
01.07.2023
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| Subjects | |
| Online Access | Get full text |
| ISSN | 1001-4381 |
| DOI | 10.11868/j.issn.1001-4381.2022.000269 |
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| Abstract | TB332; 建立了考虑非均匀温度场影响的复合材料曲板残余应力和固化变形的有限元预测模型,模拟了三维机织复合材料曲板的 RTM成型过程,分析了成型过程中曲板温度、固化度及内应力的分布与变化.结果表明,在成型过程中曲板会形成非均匀的温度场和内应力场.温度场的均匀性对曲板变形有较大的影响,若不考虑非均匀温度场的影响会使误差增大 10%～15%.使用 RTM工艺制备了三维机织复合材料曲板并采用热电偶对成型过程中曲板内部的温度进行监测,利用工业光学扫描仪对曲板的固化变形进行测量.预测结果与实验结果吻合较好,验证了所建立数值模型的准确性,同时还分析了固化温度和厚度对固化变形的影响. |
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| AbstractList | TB332; 建立了考虑非均匀温度场影响的复合材料曲板残余应力和固化变形的有限元预测模型,模拟了三维机织复合材料曲板的 RTM成型过程,分析了成型过程中曲板温度、固化度及内应力的分布与变化.结果表明,在成型过程中曲板会形成非均匀的温度场和内应力场.温度场的均匀性对曲板变形有较大的影响,若不考虑非均匀温度场的影响会使误差增大 10%～15%.使用 RTM工艺制备了三维机织复合材料曲板并采用热电偶对成型过程中曲板内部的温度进行监测,利用工业光学扫描仪对曲板的固化变形进行测量.预测结果与实验结果吻合较好,验证了所建立数值模型的准确性,同时还分析了固化温度和厚度对固化变形的影响. |
| Author | 李文晓 梁勇 贺鹏飞 陈伟星 |
| AuthorAffiliation | 同济大学 航空航天与力学学院,上海 200092%上海超碳石墨烯产业技术有限公司,上海 200444 |
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| Author_FL | HE Pengfei LI Wenxiao CHEN Weixing LIANG Yong |
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| Author_xml | – sequence: 1 fullname: 陈伟星 – sequence: 2 fullname: 李文晓 – sequence: 3 fullname: 贺鹏飞 – sequence: 4 fullname: 梁勇 |
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| DocumentTitle_FL | Cure-induced deformation of 3D woven composite curved plate |
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| Keywords | 非均匀温度场 residual stress cure-induced deformation non-uniform temperature field 三维机织复合材料曲板 3D woven composite curved plate 数值模拟 残余应力 固化变形 numerical simulation |
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| Publisher | 同济大学 航空航天与力学学院,上海 200092%上海超碳石墨烯产业技术有限公司,上海 200444 |
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| Title | 三维机织复合材料曲板固化变形研究 |
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