复合材料
表征(材料科学)
有限元法
材料科学
结构工程
工程类
纳米技术
作者
Dhaneshwar Prasad Sahu,Jagesh Kumar Prusty,Sukesh Chandra Mohanty
标识
DOI:10.1177/09544062241233482
摘要
The present work mainly explored the fabrication of different weight percentages of SiO 2 nano-filler-based Luffa cylindrica polymer composites (LCPC) and investigated their free vibration behaviour based on elastic properties acquired from a uniaxial tensile test. The elastic properties of fabricated polymer composites are obtained as per ISO 527-5 standards. The flexural responses of different nano-filler-based polymer composites are also analyzed using a three-point bending test in UTM. The completeness of the present polymer composite structure is verified by comparing it with the available published work and found to be in excellent agreement. The field emission scanning electron microscope (FESEM) helps to understand the interfacial bonds, fibre pullout, voids, internal cracks etc. between fibre and matrix by morphological images. The addition of SiO 2 nano-filler into the polymer composites boosts mechanical properties such as tensile strength and flexural strength and also provides better compatibility between matrix and fibre due to the high surface area of SiO 2 nano-filler. Later, the structural responses (free vibration) are investigated with respect to different parameters such as edge conditions, aspect ratio and side-to-thickness ratio.
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