Studies On The Properties Of Pultruded Kenaf Fiber Reinforced Unsaturated Polyester Composites
Kenaf fiber reinforced unsaturated polyester composites (KFRPC) consisting of kenaf fiber (KF) and unsaturated polyester were produced by pultrusion machine, molded into rod specimens. KF and unsaturated polyester was being analyzed and characterized in terms of degradation, physical and mechanic...
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| Format: | Thesis |
| Language: | English |
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2010
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| Online Access: | http://eprints.usm.my/42491/ http://eprints.usm.my/42491/1/NORLIN_BINTI_NOSBI_HJ.pdf |
| _version_ | 1848879574561062912 |
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| author | Nosbi, Norlin |
| author_facet | Nosbi, Norlin |
| author_sort | Nosbi, Norlin |
| building | USM Institutional Repository |
| collection | Online Access |
| description | Kenaf fiber reinforced unsaturated polyester composites (KFRPC) consisting
of kenaf fiber (KF) and unsaturated polyester were produced by pultrusion machine,
molded into rod specimens. KF and unsaturated polyester was being analyzed and
characterized in terms of degradation, physical and mechanical properties, such as
immersion, strength, elongation, absorbency and surface characteristic. In this
research, KF and unsaturated polyester were immersed in distilled water (DW),
seawater (SW) and acidic solution (AS) at room temperature to study the behavior of
the specimen after long term immersion. KF immersed in SW exhibited the highest
level of water absorption, whereas KF immersed in AS showed the lowest water
absorption values. The tensile strength of the immersed KF decreased with
increasing immersion time implying the degradation of the fiber. Investigation on the
microstructure of immersed kenaf fibers using SEM reveal the degradation of the KF
with presence of microcracks and increased in the surface roughness. Effect of water
immersion on the bending behavior of the unsaturated polyester was also
experimentally investigated. Water diffusion was observed more in DW than SW and
AS, respectively. The unsaturated polyester experienced significant reduction of the
flexural strength. These are attributed to the function of the water molecules
absorbed in the unsaturated polyester. KFRPC were successfully produced with 50%,
60% and 70% of KF by volume, using pultrusion method. The various percent of KF
volume were tested to identify the influence of KF volume (%) on the mechanical
properties. |
| first_indexed | 2025-11-15T17:49:24Z |
| format | Thesis |
| id | usm-42491 |
| institution | Universiti Sains Malaysia |
| institution_category | Local University |
| language | English |
| last_indexed | 2025-11-15T17:49:24Z |
| publishDate | 2010 |
| recordtype | eprints |
| repository_type | Digital Repository |
| spelling | usm-424912019-04-12T05:26:45Z http://eprints.usm.my/42491/ Studies On The Properties Of Pultruded Kenaf Fiber Reinforced Unsaturated Polyester Composites Nosbi, Norlin TN1-997 Mining engineering. Metallurgy Kenaf fiber reinforced unsaturated polyester composites (KFRPC) consisting of kenaf fiber (KF) and unsaturated polyester were produced by pultrusion machine, molded into rod specimens. KF and unsaturated polyester was being analyzed and characterized in terms of degradation, physical and mechanical properties, such as immersion, strength, elongation, absorbency and surface characteristic. In this research, KF and unsaturated polyester were immersed in distilled water (DW), seawater (SW) and acidic solution (AS) at room temperature to study the behavior of the specimen after long term immersion. KF immersed in SW exhibited the highest level of water absorption, whereas KF immersed in AS showed the lowest water absorption values. The tensile strength of the immersed KF decreased with increasing immersion time implying the degradation of the fiber. Investigation on the microstructure of immersed kenaf fibers using SEM reveal the degradation of the KF with presence of microcracks and increased in the surface roughness. Effect of water immersion on the bending behavior of the unsaturated polyester was also experimentally investigated. Water diffusion was observed more in DW than SW and AS, respectively. The unsaturated polyester experienced significant reduction of the flexural strength. These are attributed to the function of the water molecules absorbed in the unsaturated polyester. KFRPC were successfully produced with 50%, 60% and 70% of KF by volume, using pultrusion method. The various percent of KF volume were tested to identify the influence of KF volume (%) on the mechanical properties. 2010-12 Thesis NonPeerReviewed application/pdf en http://eprints.usm.my/42491/1/NORLIN_BINTI_NOSBI_HJ.pdf Nosbi, Norlin (2010) Studies On The Properties Of Pultruded Kenaf Fiber Reinforced Unsaturated Polyester Composites. Masters thesis, Universiti Sains Malaysia. |
| spellingShingle | TN1-997 Mining engineering. Metallurgy Nosbi, Norlin Studies On The Properties Of Pultruded Kenaf Fiber Reinforced Unsaturated Polyester Composites |
| title | Studies On The Properties Of Pultruded Kenaf Fiber Reinforced Unsaturated Polyester Composites |
| title_full | Studies On The Properties Of Pultruded Kenaf Fiber Reinforced Unsaturated Polyester Composites |
| title_fullStr | Studies On The Properties Of Pultruded Kenaf Fiber Reinforced Unsaturated Polyester Composites |
| title_full_unstemmed | Studies On The Properties Of Pultruded Kenaf Fiber Reinforced Unsaturated Polyester Composites |
| title_short | Studies On The Properties Of Pultruded Kenaf Fiber Reinforced Unsaturated Polyester Composites |
| title_sort | studies on the properties of pultruded kenaf fiber reinforced unsaturated polyester composites |
| topic | TN1-997 Mining engineering. Metallurgy |
| url | http://eprints.usm.my/42491/ http://eprints.usm.my/42491/1/NORLIN_BINTI_NOSBI_HJ.pdf |