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Temperature and loading speed sensitivity of glass/carbon inter‐ply hybrid polymer composites on tensile loading
Journal of Applied Polymer Science ( IF 2.7 ) Pub Date : 2020-09-18 , DOI: 10.1002/app.49928 Srinivasu Dasari 1 , Sushant Saurabh 1 , Rajesh Kumar Prusty 1
Journal of Applied Polymer Science ( IF 2.7 ) Pub Date : 2020-09-18 , DOI: 10.1002/app.49928 Srinivasu Dasari 1 , Sushant Saurabh 1 , Rajesh Kumar Prusty 1
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This study is focused on the evaluation of the tensile performance of glass/carbon inter‐ply hybrid fiber‐reinforced polymer composites at different combinations of temperatures and loading speeds. With an increase in the number of carbon/epoxy (CE) ply in glass/epoxy (GE) composites, some of the tensile properties as tensile modulus, strain at failure, and difference of strain at failure of different fibers are enhanced. Further, the change in the stacking sequence of the CE ply at a particular hybrid ratio alters the tensile properties as well as the nature of failure. Placing a CE ply in place of GE ply at the center in the GE composite resulted in hybrid composite (G2C1G2) that imparts pseudo‐ductility as well as hybrid effect in the composite. On the other hand, replacing a GE ply with CE at one end (C1G4) and both ends (C1G3C1) imparted improved strain at failure and positive hybrid effect in the composites. The tensile modulus of G2C1G2 outstrips the modulus of CE and GE by 12.05% and 65.95% at a loading speed of 0.1 mm/min and a temperature of 110°C. Fractography analysis of neat as well as hybrid composites was done to analyze the fracture mechanism.
中文翻译：
玻璃/碳层间杂化聚合物复合材料对拉伸载荷的温度和载荷速度敏感性
这项研究的重点是在温度和加载速度的不同组合下对玻璃/碳层间混合纤维增强聚合物复合材料的拉伸性能的评估。随着玻璃/环氧树脂（GE）复合材料中碳/环氧树脂（CE）层数的增加，不同纤维的一些拉伸性能（例如拉伸模量，断裂应变和断裂应变差）得到增强。此外，以特定的混合比改变CE层的堆叠顺序会改变拉伸性能以及破坏性质。将CE板层代替GE板层放置在GE复合材料的中心位置，得到混合复合材料（G 2 C 1 G 2）赋予复合材料假假延展性和混合效应。另一方面，用CE的一端（C 1 G 4）和两端（C 1 G 3 C 1）代替GE层可改善复合材料的破坏应变和积极的混合效应。在0.1mm / min的加载速度和110℃的温度下，G 2 C 1 G 2的拉伸模量超过CE和GE的模量分别为12.05％和65.95％。对纯复合材料和杂化复合材料进行了分形分析，以分析断裂机理。
更新日期：2020-11-25
中文翻译：
玻璃/碳层间杂化聚合物复合材料对拉伸载荷的温度和载荷速度敏感性
这项研究的重点是在温度和加载速度的不同组合下对玻璃/碳层间混合纤维增强聚合物复合材料的拉伸性能的评估。随着玻璃/环氧树脂（GE）复合材料中碳/环氧树脂（CE）层数的增加，不同纤维的一些拉伸性能（例如拉伸模量，断裂应变和断裂应变差）得到增强。此外，以特定的混合比改变CE层的堆叠顺序会改变拉伸性能以及破坏性质。将CE板层代替GE板层放置在GE复合材料的中心位置，得到混合复合材料（G 2 C 1 G 2）赋予复合材料假假延展性和混合效应。另一方面，用CE的一端（C 1 G 4）和两端（C 1 G 3 C 1）代替GE层可改善复合材料的破坏应变和积极的混合效应。在0.1mm / min的加载速度和110℃的温度下，G 2 C 1 G 2的拉伸模量超过CE和GE的模量分别为12.05％和65.95％。对纯复合材料和杂化复合材料进行了分形分析，以分析断裂机理。
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