Mechanical properties of hybrid composites, through reinforcing coir fibers with different natural fibersa.
| Hybrid composites | TS (MPa) | TM (GPa) | MOR (MPa) | FM (GPa) | IS (kJ m−2) | EB (%) | Ref. |
|---|---|---|---|---|---|---|---|
| Coir/silk/polyester resin | 15.62 | 43.74 | — | — | — | 168 | |
| Coir (75%)/jute (25%)/PP | 13.46 ± 0.39 | 1.03 ± 0.11 | 16.48 ± 3.24 | 0.90 ± 0.18 | 0.387 ± 0.004 | 171 | |
| Coir/bamboo/PP | 87.6 ± 4.4 | 7.3 ± 0.9 | — | — | — | 2.2 ± 0.8 | 89 |
| Coir/glass/polyester | 29.17 | 0.98 | 73.04 | 64.23 | 64.23 | 8.85 | 172 |
| Banana stem (10%)/coir (10%)/MAPP | 36.2 ± 2.6 | 1.09 ± 0.0096 | 32.6 ± 3.4 | — | 9.3 ± 1.1 | 173 | |
| Coir (22.5%)/sugarcane leaf sheath (7.5%)/PES | 13.42 | 1.04 | 25.84 | 2.17 | — | 174 | |
| Coir(90%)/pineapple (10%)/epoxy | 43.53 | 29.41 | 16.09 | 28.57 | — | 85.54 | 175 |
| Coir pith/nylon/epoxy | 7.57 ± 0.3 | — | 53.19 ± 0.4 | — | — | 176 | |
| Coir/date palm/epoxy | 46.75 | 7.54 | — | — | — | 0.62 | 177 |
| Coir (20 g)/luffa (5.7 g)/epoxy | 51.32 | 39.4 | — | — | 43.21 | 178 | |
| Coir (30%)/carbon fiber/epoxy | 285.74 | 215.79 | 179 | ||||
| Coir (15%)/agave (15%)/epoxy | 48.37 | 0.33 | 80.53 | 4.98 | 180 |
a
TS – tensile strength; TM – tensile modulus; MOR – modulus of rupture; FM – flexural modulus; IS – impact strength; EB – elongation at break, MAPP – maleic anhydride grafted polypropylene.