| 聚合物／BaTiO3复合材料动态力学性能研究 |
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| 引用本文： | 高乃奎 谢恒坤. 聚合物／BaTiO3复合材料动态力学性能研究[J]. 西安交通大学学报, 1997, 31(11): 24-28 |
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| 作者姓名： | 高乃奎 谢恒坤 |
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| 作者单位： | 西安交通大学 |
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| 摘 要： | 采用动态力学分析仪（ＤＭＡ）对聚合物／ＢａＴｉＯ３复合材料的动态力学性能进行了研究，并用扫描电镜（ＳＥＭ）观察了复合材料的断面形貌。结果表明：聚合物的分子结构、结晶度和ＢａＴｉＯ３粒子的表面性质对复合材料的动态力学性能影响很大。ＬＬＤＰＥ／ＢａＴｉＯ３复合材料中存在网络结构，而ＢａＴｉＯ３粒子位于网络之中，这有利于动态模量的提高。
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| 关 键 词： | 复合材料 力学性能 聚合物 钛酸钡 电气功能材料 |
Study of the Dynamic Mechanical Properties of Polymer/BaTiO 3 Composite Materials |
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| Gao Naikui Xie Hengkun Xie Darong. Study of the Dynamic Mechanical Properties of Polymer/BaTiO 3 Composite Materials[J]. Journal of Xi'an Jiaotong University, 1997, 31(11): 24-28 |
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| Authors: | Gao Naikui Xie Hengkun Xie Darong |
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| Abstract: | The dynamic mechanical properties of polymer/BaTiO 3 composite materials were studied with dynamic mechanical analyzer (DMA), and their fracture morphology was observed with scanning electron microscope (SEM). The results showed that the molecular structure, crystallinity of polymers and the surface property of BaTiO 3 particles have great effects on dynamic mechanical properties of composite materials. The mesh structure exists in the LLDPE/BaTiO 3 composite material and BaTiO 3 particles locate in the meshes, which is beneficial to the increase in dynamic modulus. |
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| Keywords: | composite materials dynamic mechanical property polymer BaTiO 3 |
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