Characterization of a 3D Printed Composite under Monotonic and Cyclic Tensile Loading

P.N.B. Reis , J.A.M. Ferreira , J.D.M. Costa
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引用次数: 0

Abstract

High-performance composite materials generally respond in a manner close to that of linear-elastic materials with brittle failure in many cases. However, when the mechanical behaviour of the matrix is predominant, these composites show non-linear elasticity, viscous effects, and plastic deformations before failure. Therefore, these materials should be analysed to understand their response in long-term applications. For this purpose, the mechanical response of a composite reinforced with short carbon fibres and graphene subjected to monotonic tensile tests, as well as cyclic tests at constant load and repeated progressive load will be evaluated. The results showed that this type of composite, and all those with similar behaviour, require a complex model to predict their mechanical behaviour.

单调和循环拉伸载荷下的 3D 打印复合材料特性分析
高性能复合材料的反应方式通常接近于线性弹性材料,在许多情况下会发生脆性破坏。然而,当基体的机械性能占主导地位时,这些复合材料在失效前会表现出非线性弹性、粘性效应和塑性变形。因此,应该对这些材料进行分析,以了解它们在长期应用中的反应。为此,我们将对使用短碳纤维和石墨烯增强的复合材料进行单调拉伸试验、恒定载荷循环试验和重复渐进载荷循环试验的机械响应进行评估。结果表明,这种类型的复合材料以及所有具有类似性能的复合材料都需要一个复杂的模型来预测其机械性能。
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CiteScore
1.70
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