| SMC的力学性能预测 |
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| 引用本文： | 李永国,何盼,郭泓.SMC的力学性能预测[J].玻璃钢/复合材料,2003(1):13-16,44. |
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| 作者姓名： | 李永国 何盼 郭泓 |
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| 作者单位： | 北京玻璃钢研究设计院,102101 |
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| 摘 要： | 本文介绍了一种以组分材料性能为基础确定SMC材料平面及交叉方向热弹性能的计算预测方法，将SMC材料模型看作对称的三层复合材料结构，因此采用经典的层板理论来探讨SMC的有效变形特征。中心层的性能用单向复合材料来表达，用Kerner-Hashin理论来预测颗粒填料复合材料的性能；对片状颗粒填料的复合材料Lewis-Nielser理论可使试验与理论数据很好符合。但体系加入低收缩添加剂对性能的影响不能仅用力学模型来说明。
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| 关 键 词： | SMC 力学性能 预测 平板状玻璃纤维增强塑料 |
PREDICTING MECHANICAL PROPERTIES OF SMC |
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| Li Yongguo,He Pan,Guo Hong.PREDICTING MECHANICAL PROPERTIES OF SMC[J].Fiber Reinforced Plastics/Composites,2003(1):13-16,44. |
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| Authors: | Li Yongguo He Pan Guo Hong |
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| Affiliation: | Beijing FRP Research & Design Institute |
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| Abstract: | On the basis of properties of different components,a calculation method is developed to determine the in-plane and in cross direction thermo-elastic properties of SMC.Building up a model as a symmetric three-layer composite, the paper discusses the classical laminate theory to determine the effective deformation characteristics.The properties of center layer are expressed by UD-composites.The Kerner-Hashin theory can predict particle composite properties,and Lewis-Nielser theory can make great agreement between theoretical and experimental values when used in platelet particle composite.The application of low-profile additive affects properties of this system,and it could not only be described by the mechanical model. |
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| Keywords: | SMC mechanical properties |
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