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首页> 外文期刊>American Journal of Mechanical and Industrial Engineering >Determination of Tensile and Compressive Moduli of Polymer Composites Using Three Points Cantilever
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Determination of Tensile and Compressive Moduli of Polymer Composites Using Three Points Cantilever

机译：三点悬臂法测定聚合物复合材料的拉伸和压缩模量

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摘要

In this work a technique is proposed to use bending test in order to determine the tensile and the compressive moduli of plastic sheets as well as polymer composites. A two- component free ends beam deflected in a three point cantilever is used to determine tensile and compressive moduli. Using small deflection equations and the theory of two- component beam, tensile and compressive moduli are then determined via computer program. The beam is composed of two components; spring steel and polymeric strip of the same width. These two components are bonded together with special glue. Two different types of material sheets were tested. The results show that both materials have different tensile and compressive modulus. To verify the model, uniaxial tensile tests were also performed. Taking the values of uniaxial tensile tests as reference showed acceptable accuracy at the proposed method.
机译：在这项工作中，提出了一种使用弯曲试验的技术，以确定塑料板以及聚合物复合材料的拉伸模量和压缩模量。在三点悬臂梁中偏转的两分量自由端梁用于确定拉伸模量和压缩模量。然后使用小挠度方程和两分量梁理论，通过计算机程序确定拉伸模量和压缩模量。光束由两个部分组成;弹簧钢和相同宽度的聚合物条。这两个组件用特殊的胶水粘合在一起。测试了两种不同类型的材料表。结果表明，两种材料的拉伸模量和压缩模量均不同。为了验证模型，还进行了单轴拉伸试验。以单轴拉伸试验的值作为参考，在所提出的方法中显示出可接受的精度。

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