【摘 要】
：
采用20～40目杨木纤维填充高密度聚乙烯(HDPE)基体,利用板坯铺装模压成型法制备了木塑复合材料(WPC),通过弯曲性能测试和24h蠕变-24h回复实验以及利用两参数指数模型、Find
【机 构】
：
东北林业大学生物质材料科学与技术教育部重点实验室,哈尔滨150040
【出 处】
：
第二届中国国际复合材料科技大会 (CCCM-2)
论文部分内容阅读
采用20～40目杨木纤维填充高密度聚乙烯(HDPE)基体,利用板坯铺装模压成型法制备了木塑复合材料(WPC),通过弯曲性能测试和24h蠕变-24h回复实验以及利用两参数指数模型、Findley指数模型以及四元件Burgers模型拟合24h蠕变曲线,研究结果表明,制备的WPC的弯曲强度为26.71MPa,弹性模量为2.73GPa；24h形变为1.142mm,24h回复率为71.45％；三种模型中,四元件Burgers模型拟合蠕变曲线的效果更好,并且将该模型应用于拟合WPC的24h回复过程,效果较好.
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