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The effect of moisture content on the tensile behaviour of polyamide 6 nanocomposites

机译:水分含量对聚酰胺6纳米复合材料拉伸性能的影响

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摘要

Polymers and their composites offer high strength-to-weight ratio and good corrosion resistance. However, they have a good affinity towards moisture and the absorbed moisture affects their mechanical behaviour. This article discusses the tensile behaviour of polyamide 6 nanocomposite containing different levels of absorbed water. The absorption of water influences the tensile strength, tensile modulus, and fracture morphology of the polyamide 6 nanocomposites. Although crystallinity increases due to the absorption of water, the modulus and tensile strength were found to be decreasing because of the plasticization effect, which overcomes the effect of marginal increase in crystallinity.
机译:聚合物及其复合材料具有很高的强度重量比和良好的耐腐蚀性。但是,它们对水分具有良好的亲和力,吸收的水分会影响其机械性能。本文讨论了含有不同吸收水含量的聚酰胺6纳米复合材料的拉伸性能。水的吸收影响聚酰胺6纳米复合材料的拉伸强度,拉伸模量和断裂形态。尽管由于吸水而结晶度增加,但是由于增塑作用,发现模量和拉伸强度下降,这克服了结晶度的边际增加的影响。

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