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首页> 外文期刊>Polymer Composites >The Effect of Processing Conditions on the Mechanical Properties and Morphology of Self-Reinforced Wood-Polymer Composite
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The Effect of Processing Conditions on the Mechanical Properties and Morphology of Self-Reinforced Wood-Polymer Composite

机译：加工条件对自增强木塑复合材料力学性能和形貌的影响

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摘要

Highly oriented self-reinforced round rods were produced from wood-polymer composite (WPC) by solid-state extrusion through a conical die. The effects of processing parameters such as draw ratio and die temperature on density, physical properties, and molecular morphology of the rods were systematically investigated. The WPC rods show an increase in density and significant improvements in the tensile properties at higher draw ratio. The tensile strength and modulus reach to 81.6 and 2200 MPa, respectively, at draw ratio of 8. In addition, scanning electron microscopy and wide-angle X-ray diffraction were used to observe the morphology of self-reinforced rods and it was found uniquely fibrous and highly oriented throughout the profiles.
机译：高度定向的自增强圆棒是由木材-聚合物复合材料（WPC）通过固态挤压通过圆锥模制成的。系统研究了拉伸比和模头温度等加工参数对棒材的密度，物理性质和分子形态的影响。 WPC棒在更高的拉伸比下显示出密度的增加和拉伸性能的显着改善。拉伸比为8时，拉伸强度和模量分别达到81.6和2200 MPa。此外，使用扫描电子显微镜和广角X射线衍射观察自增强棒的形貌，并发现了它的独特之处。在整个型材中呈纤维状且高度定向。

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