Mechanical, thermal, tribological, and flammability properties of polybutylene terephthalate composites: Comparing the effects of synthetic wollastonite nanofibers, natural wollastonite, and graphene oxide
Polybutylene terephthalate (PBT) composites were prepared with 1.0 phr synthetic wollastonite nanofibers (SWN), natural wollastonite (NW) and graphene oxide (GO) to study the effect of different fillers on mechanical, thermal, tribological, and flammability properties. The properties of PBT composi...
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| Main Authors: | , , , , , , , , , , |
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| Format: | Article |
| Language: | English |
| Published: |
Wiley
2022
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| Subjects: | |
| Online Access: | http://eprints.uthm.edu.my/8516/1/J15311_e363dd1b937b633e29325edaa4781b96.pdf http://eprints.uthm.edu.my/8516/ https://doi.org/10.1002/app.53463 |
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| Summary: | Polybutylene terephthalate (PBT) composites were prepared with 1.0 phr synthetic wollastonite nanofibers (SWN), natural wollastonite (NW) and graphene
oxide (GO) to study the effect of different fillers on mechanical, thermal, tribological, and flammability properties. The properties of PBT composites are
related to the size, structure, and interfacial adhesion of the fillers in PBT
matrix. PBT/SWN demonstrated the highest tensile strength and Young's modulus (6% and 9% increment), followed by PBT/NW (1.3% and 7% increment)
and PBT/GO (2% decrement and 4% increment). PBT/SWN gave the highest
degradation temperature (409�C), followed by PBT/GO (404.7�C). The maximum enhancement in wear resistance (73%) by PBT/SWN and anti-friction
performance (26%) by PBT/GO evinced the excellent load-bearing ability of
SWN and the great lubricating effect of GO. PBT/NW had the lowest peak heat
release rate, smoke, and carbon dioxide production rate. This study shows that
PBT composites have great potential in different automotive applications. |
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