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首页> 外文OA文献 >Tensile Behavior of Carbon Fiber-Reinforced Polymer Composites Incorporating Nanomaterials after Exposure to Elevated Temperature
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Tensile Behavior of Carbon Fiber-Reinforced Polymer Composites Incorporating Nanomaterials after Exposure to Elevated Temperature

机译：碳纤维增强聚合物复合材料的拉伸行为在暴露于升高温度后纳入纳米材料

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This study experimentally examined the effect of nanomaterial on the tensile behavior of carbon fiber-reinforced polymer (CFRP) composites. Multiwalled carbon nanotubes (MWCNT), graphene nanoplatelets (GnPs), and short multiwalled carbon nanotubes functionalized COOH (S-MWCNT-COOH) with 1% by weight were used as the primary test parameters. In the present test, S-MWCNT-COOH was more effective than the others in improving the maximum tensile strength, ultimate strain, and toughness of the CFRP composites. The use of S-MWCNT-COOH increased the maximum tensile strength, ultimate strain, and toughness of the CFRP composites by 20.7, 45.7, and 73.8%, respectively. In addition, tensile tests were carried out for CFRP composites with S-MWCNT-COOH after subjection to elevated temperatures ranging from 50 to 200°C. The test results showed that the tensile strength, ultimate strain, and toughness were significantly reduced with increasing temperature. At a temperature level of 100°C, the reduction of the maximum tensile strength, ultimate strain, and toughness was 36.5, 37.1, and 60.0%, respectively. However, for the specimens subjected to the elevated temperatures ranging from 100 to 200°C, the tensile behavioral properties were constantly maintained. Finally, various analytical models were applied to predict the tensile strength of the CFRP composites with S-MWCNT-COOH. By using the calibrated parameters, the tensile strengths predicted by the models showed good agreement with the experimental results.
机译：本研究通过实验检查了纳米材料对碳纤维增强聚合物（CFRP）复合材料的拉伸行为的影响。多壁碳纳米管（MWCNT），石墨烯纳米孔（GNP）和短的多壁碳纳米管官能化CoOH（S-MWCNT-COOH）用1重量％用作初级试验参数。在本试验中，S-MWCNT-COOH比其他方法更有效，即改善CFRP复合材料的最大拉伸强度，最终菌株和韧性。 S-MWCNT-COOH的使用分别将CFRP复合材料的最大拉伸强度，最终菌株和韧性增加20.7,45.7和73.8％。此外，在将S-MWCNT-COOH的升高至50至200℃的升高的温度下，对CFRP复合材料进行拉伸试验。试验结果表明，随着温度的增加，拉伸强度，极限菌株和韧性显着降低。在100℃的温度水平，减少最大拉伸强度，最终菌株和韧性分别为36.5,37.1和60.0％。然而，对于经过100至200℃的升高温度的试样，持续保持拉伸行为性质。最后，应用了各种分析模型以预测CFRP复合材料的抗拉强度与S-MWCNT-COOH。通过使用校准参数，模型预测的拉伸强度与实验结果显示出良好的一致性。

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