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Studies on Numerical Buckling Analysis of Cellulose Microfibrils Reinforced Polymer Composites
Venkatachalam Gopalan1, Mugatha Surya Vardhan2, Vishal Thakur2
1Centre for Innovation and Product Development, Vellore Institute of Technology, Chennai 600127, India.
Materials (Basel, Switzerland)
|February 11, 2023
Summary
This study explores green composites for structural applications. Chemically treated cellulose microfibril composites show comparable buckling properties to synthetic ones, offering a sustainable alternative.
Area of Science:
- Materials Science
- Mechanical Engineering
- Environmental Science
Background:
- Growing environmental concerns drive research into sustainable alternatives to synthetic composites.
- Green composites, utilizing natural fibers, are being investigated for their potential to match synthetic composite performance.
- Understanding composite buckling behavior is crucial for ensuring structural stability in load-bearing applications.
Purpose of the Study:
- To evaluate the buckling properties of a novel green composite for structural applications.
- To numerically investigate the performance of epoxy-matrix composites reinforced with chemically treated cellulose microfibrils under axial compressive stress.
- To assess the potential of this green composite as a sustainable replacement for synthetic composites.
Main Methods:
- Development of a finite element method (FEM) numerical model for composite buckling analysis.
- Validation of the FEM model using ANSYS software by comparing critical buckling loads with existing research data.
- Comparison of FEM results with a regression equation derived from Analysis of Variance (ANOVA).
Main Results:
- The numerical model accurately predicted critical buckling loads for the green composite specimens.
- The buckling properties of the developed green composite were found to be comparable to those of conventional synthetic composites.
- The study confirmed the structural stability and load-bearing potential of the green composite.
Conclusions:
- The green composite, reinforced with chemically treated cellulose microfibrils, demonstrates promising buckling characteristics for structural applications.
- This eco-friendly composite exhibits comparable performance to synthetic counterparts, highlighting its potential for environmental sustainability.
- The findings support the use of this green composite as a viable and sustainable alternative in various load-bearing structural designs.
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