摘要
采用德国GABO公司的EPLEXOR 500 N型动态力学分析系统对纤维增强648环氧树脂复合材料进行测试和分析。该设备与以前使用较多的DMA相比,能够在动态力学分析中提供最高达500 N的载荷。通过改变预载荷和动态载荷的大小、纤维种类以及材料模量,对纤维增强复合材料进行了动态粘弹性研究。结果表明,增大预载荷则储能模量增大,增大动载荷则储能模量减小;纤维种类对复合材料粘弹性能的影响较小,而材料模量对粘弹性的影响较大。
The EPLEXOR 500 N of Germany GABO company was used to determine the dynamic mechanical properties of carbon and glass fiber composites, which can offer a maximal load of 500 N compared to other DMA equipment. All experiments were carried out in the three-point bending mode, at 25℃ and 10 Hz. The effects of experiment parameters, such as preload, dynamic load, fiber type and modulus on dynamic viscoelasticities were investigated. The results show that the storage modulus increases with the preload, but decreases with the dynamic load, and the fiber type has little influence on the viscoelastic behavior, but the modulus influences it obviously.
出处
《复合材料学报》
EI
CAS
CSCD
北大核心
2006年第1期26-30,共5页
Acta Materiae Compositae Sinica
作者简介
通讯作者：孙志杰，教授，主要从事先进树脂基复合材料的研究E-mail：zhjsun@263．net
