A Comparative Study on the Effect of HNT and Nano-Alumina Particles on the Mechanical Properties of Vacuum Bag Moulded Glass-Epoxy Nanocomposites
Publish place: Mechanics of Advanced Composite Structures، Vol: 8، Issue: 1
Publish Year: 1400
نوع سند: مقاله ژورنالی
زبان: English
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شناسه ملی سند علمی:
JR_MACS-8-1_011
تاریخ نمایه سازی: 10 شهریور 1400
Abstract:
In the present work, the mechanical properties of the Halloysite nanotube (HNT) and Nano-Alumina particle additions in glass-epoxy nanocomposites are investigated experimentally. The composite specimens for tensile, flexural, interlaminar shear strength (ILSS) and impact tests are prepared by vacuum bag moulding process and tested in accordance with the ASTM standards. HNT/Nano-Alumina particle contents are varied from ۰ to ۴ wt. %, while the weight fraction of glass fiber is kept constant at ۶۰%. The strength values of the respective tests are obtained and compared graphically to study the effect of nanoparticle type and content on the mechanical properties. From the experimentation and subsequent result analysis, considerable improvements in the mechanical properties are observed with the addition of nanoparticles as compared to neat composites. The ۳ wt.% addition of HNT in the nanocomposites resulted in increase in tensile strength, elastic modulus, flexural strength, flexural modulus, ILSS and impact energy values by ۱۲.۷%, ۶.۹۶%, ۵.۴۶%, ۴.۴۹%, ۷.۴۴% and ۱۱۹.۳% respectively in comparison with the same weight percentage of Nano-Alumina. HNT modified composites reveal an improvement in mechanical properties, hence qualifying it as a most promising cost-effective reinforcing filler for glass-epoxy composites. Further, the SEM micrographs of fractured surfaces are analyzed to study the failure mechanisms and fracture morphologies of higher loaded composites (۴ wt.%) and understand the reason for decline in mechanical properties.
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Authors
Ravichandran G
Department of Mechanical and Automobile Engineering, CHRIST (Deemed to be University), Kanminike, Kumbalgodu, Mysore Road, Kengeri, Bengaluru, ۵۶۰۰۷۴, Karnataka State, India
Rathnakar G
Department of Mechanical Engineering, ATME College of Engineering, Mysuru, ۵۷۰۰۲۸, Karnataka State, India
Santhosh N
Department of Mechanical Engineering, MVJ College of Engineering, Near ITPB, Whitefield, Bengaluru, ۵۶۰۰۶۷, Karnataka State, India
Suresh R
Department of Mechanical Engineering, VTU-Centre for Post-Graduation Studies, Mysuru, ۵۷۰۰۲۹, Karnataka State, India
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