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The effect of processing parameter on mechanical properties of short glass fiber reinforced polyoxymethylene composite by direct fiber feeding injection molding process

机译：加工参数对短玻璃纤维增​​强聚氧亚亚甲基复合材料直接纤维饲料注塑工艺的影响

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This research describes the effect of processing parameters as matrix feeding speed, screw rotational speed and cylinder temperature of direct fiber feeding injection-molded process on properties of short glass fiber reinforced polyoxymethylene composite. The increasing of matrix feeding speed at screw rotational speed of 172 rpm led to the reduction of fiber loading content and increasing of fiber length. Whereas the higher screw rotational speed impacted on the increasing of fiber loading content and fiber length. However, its tensile properties were lower than the molded at screw rotational speed 172 rpm. When fiber loading content over 20 wt.%, tensile strength of both conditions reached the same values because the poor fiber distribution especially at screw rotational speed of 258 rpm. Then Kelly-Tyson's equation was used to predict their tensile strength. It was found that tensile strength at maximum fiber loading content at screw rotational speed of 172 rpm and 258 rpm are lower than the calculated strength values around 28.9 % and 31.8 %, respectively. The effect of cylinder temperature was also elucidated.
机译：本研究描述了加工参数作为矩阵馈送速度，螺杆转速和圆柱温度的直接纤维进给注塑方法对短玻璃纤维增​​强聚氧亚甲基复合材料的性能。螺杆转速的矩阵馈送速度的增加导致纤维负载含量的减少和纤维长度的增加。虽然较高的螺杆旋转速度影响纤维负荷含量和纤维长度的增加。然而，其拉伸性质低于螺杆转速172rpm的模塑。当纤维负载含量超过20重量％。％，两种条件的拉伸强度达到相同的值，因为纤维分布差，尤其是258 rpm的螺杆转速。然后凯利 - 泰森的等式用于预测其拉伸强度。结果发现，在172 rpm和258rpm的螺杆转速下最大纤维负载含量的拉伸强度分别低于计算的强度值，分别为28.9％和31.8％。还阐明了汽缸温度的影响。

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