Improved mechanical performance and unique toughening mechanisms of UDM processed epoxy‐SiO2 nanocomposites
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Abstract
Abstract This work demonstrates improved mechanical performance and unique toughening mechanisms of ultrasonic dual mixing (UDM) processed epoxy‐SiO2 nanocomposites. The loading of SiO2 nanoparticles in the epoxy matrix was varied from 1 to 5 vol% to produce the nanocomposites. The mechanical performance was evaluated by measuring the tensile and fracture properties of the nanocomposites. An optimal nanoparticle loading of 3 vol% in epoxy was found vital for improved performance of the nanocomposite. The optimal nanoparticle loading in epoxy lead to an increase of 18.45% in tensile strength and 120% increase in fracture toughness (GIC) compared to the neat epoxy. The fracture surface analysis revealed various toughening mechanisms including particle pull out, plastic void growth, plastic deformation, and crack deflection along with a unique mechanism of strong interfacial bonding between SiO2 particle and epoxy matrix.
Source: crossref · Quality: baseline
Research context
OpenAlex topics: Epoxy Resin Curing Processes · Mechanical Behavior of Composites · Polymer Nanocomposites and Properties
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
Department of Physics J.C. Bose University of Science and Technology, YMCA Faridabad Haryana India
Department of Applied Science, School of Engineering University of Petroleum & Energy Studies Dehradun Uttarakhand India
Department of Physics, School of Technology Pandit Deendayal Energy University Gandhinagar Gujarat India
Department of Metallurgical & Materials Engineering Punjab Engineering College (Deemed to be University) Chandigarh Punjab India
Department of Metallurgical & Materials Engineering Indian Institute of Technology Roorkee Roorkee Uttarakhand India
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