Indentation behavior of cellulosic fibers/fly ash-incorporated polymer composites at sub-micron scale

Chemically treated short cellulosic fibers (jute and sisal) reinforced heat-treated silanized fly ash-dispersed hybrid polymer composites were synthesized by a compression molding technique. The 35 wt.% filler loading unsaturated polyester matrix-based composites were fabricated. The mechanical beha...

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Bibliographic Details
Published in:Proceedings of the Institution of Mechanical Engineers. Part J, Journal of engineering tribology Journal of engineering tribology, 2022-02, Vol.236 (2), p.242-249
Main Authors: Biswas, Bhabatosh, Mukherjee, Nillohit, Sinha, Arijit
Format: Article
Language:English
Subjects:
Cellulose fibers
Chemical treatment
Dynamic mechanical properties
Elastic recovery
Fillers
Fly ash
Heat treatment
Jute
Mechanical engineering
Mechanical properties
Modulus of elasticity
Nanohardness
Nanoindentation
Polyesters
Polymer matrix composites
Polymers
Pressure molding
Sisal
Wear rate
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Summary:Chemically treated short cellulosic fibers (jute and sisal) reinforced heat-treated silanized fly ash-dispersed hybrid polymer composites were synthesized by a compression molding technique. The 35 wt.% filler loading unsaturated polyester matrix-based composites were fabricated. The mechanical behavior of the unsaturated polyester matrix and unsaturated polyester-based composites was successfully assessed at the sub-micron length scale using the nanoindentation or depth-sensing instrumented indentation technique. It was observed that along with filler addition, the mechanical properties at the sub-micron scale improved significantly. A successful attempt to investigate the effect of filler inclusion within the unsaturated polyester matrix through various nanoindentation-derived parameters, namely, nanohardness, reduced modulus, elastic recovery, residual depth, wear rate as well the dynamic mechanical properties was also executed in the current investigation.
ISSN:1350-6501
2041-305X
DOI:10.1177/13506501211030049