a.Department of Mechanical Engineering, Khulna University of Engineering & Technology, Khulna - 9203, Bangladesh
b.Department of Mechanical Engineering, University of Colorado at Boulder, Boulder CO 80309, USA
akdebnath@me.kuet.ac.bd
收稿:2025-12-24,
录用:2026-03-29,
网络首发:2026-05-15,
纸质出版:2026-04
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Sur, N.; Debnath, A. K.; Hasib, M. A.; Chakroborty, T. Experimental investigation of graphene and TiO2 reinforced poly(vinyl alcohol)-based fiber metal laminates. Chinese J. Polym. Sci. https://doi.org/10.1007/s10118-026-3689-3
Nayan Sur, Arup Kumar Debnath, Md. Abdul Hasib, et al. Experimental Investigation of Graphene and TiO2 Reinforced Poly(vinyl alcohol)-based Fiber Metal Laminates[J/OL]. Chinese Journal of Polymer Science, 2026, 441-14. DOI: 10.1007/s10118-026-3689-3.
Sur, N.; Debnath, A. K.; Hasib, M. A.; Chakroborty, T. Experimental investigation of graphene and TiO2 reinforced poly(vinyl alcohol)-based fiber metal laminates. Chinese J. Polym. Sci. https://doi.org/10.1007/s10118-026-3689-3 DOI:
Nayan Sur, Arup Kumar Debnath, Md. Abdul Hasib, et al. Experimental Investigation of Graphene and TiO2 Reinforced Poly(vinyl alcohol)-based Fiber Metal Laminates[J/OL]. Chinese Journal of Polymer Science, 2026, 441-14. DOI: 10.1007/s10118-026-3689-3. DOI:
This study investigates the mechanical performance of hybrid fiber-metal laminates (FMLs) fabricated using a poly(vinyl alcohol) (PVA) matrix reinforced with woven glass and carbon fibers
further enhanced with titanium dioxide (TiO
2
) and graphene fillers. The composites were fabricated using the vacuum bag molding process
and to optimize the mechanical behavior
different filler loadings were incorporated as graphene at (0.5 wt%
1 wt%
and 3 wt%)
and TiO
2
(0.5 wt%
1 wt%
2 wt%
and 3 wt%). Mechanical tests revealed that the inclusion of filler particles significantly enhanced tensile
flexural
and toughness properties. The optimal graphene loading was found to be 0.5 wt%
resulting in an 83.4% increase in Young’s modulus and a 127% improvement in tensile strength compared to PVA composites without filler. Optimal loading for TiO
2
was 2% by weight
which resulted in a 102.3% increase in Young's modulus and an 81.5% increase in ultimate tensile strength. The maximum flexural properties were achieved for 0.5 wt% graphene-loaded composites
with a flexural strength of 56.6 MPa and a flexural modulus of 19.3 GPa
while the highest toughness value of 4.2 MPa was also observed at this loading. Density analysis showed a slight increase in composite density with filler ad
dition and minimum porosity at 0.5 wt% graphene and 2 wt% TiO
2
consistent with improved mechanical performance. XRD and FTIR analysis confirmed successful filler incorporation
enhanced crystallinity for TiO
2
-filled composites
and the SEM analysis confirmed the strong interfacial interactions without altering the PVA matrix chemistry
while higher filler loadings led to property degradation due to particle agglomeration and stress concentration effects.
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