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| dc.contributor.author | HABITAMU, BOGALE WORETA | |
| dc.date.accessioned | 2022-03-25T07:59:09Z | |
| dc.date.available | 2022-03-25T07:59:09Z | |
| dc.date.issued | 2021-09 | |
| dc.identifier.uri | http://ir.bdu.edu.et/handle/123456789/13304 | |
| dc.description.abstract | New sources of material that are more reliable, lighter, and less expensive than traditional materials are constantly being researched. Aloe vera stem and raffia palm petiole fibers, which are widely available, have never been investigated as hybrid fiber with polyester composite material. Additionally, aloe vera stem fiber is a newly identified natural fiber. Hence, it's essential to figure out how hybridization affects the mechanical and physical properties of them. Five distinct samples were developed by altering the hybrid fiber mass fraction with a constant matrix (30 wt.% hybrid fiber to 70 wt.% matrix) and hand layup method was utilized. The developed composite materials were then evaluated for tensile strength, compressive strength, flexural strength, impact strength, and water absorption tests. The final findings show that the fiber proportion had an important impact on the mechanical and water absorption properties of the hybrid composite material. An increase in tensile strength, compressive strength and flexural strength were observed as raffia palm fiber content increased from 0 to 30 wt.%. Best tension, compression, and three-point bending strength results were obtained from the 30% raffia palm/70% polyester sample; 120.4 MPa, 131.13 MPa, and 11.08 GPa, respectively. These mechanical qualities were decreased as the amount of raffia palm fiber decreased in the other four samples. On the other hand, the best water absorption behavior was obtained from the 30% aloe vera/70% polyester sample, and the water absorption quality dropped with the addition of raffia palm fiber proportion. Alternatively, the maximum impact strength of 1.21 J/mm 2 was attained by combining 10% aloe vera, 20% raffia palm, and 70% polyester. Based on the mechanical and physical evaluations, the hybrid aloe vera and raffia palm fibers composite materials can be used for boot liner, side and door panels, rear storage shelf, and roof cover. Keywords: Aloe Vera fiber, Raffia Palm fiber, Polyester matrix, Composite material, Mechanical and physical properties | en_US |
| dc.language.iso | en_US | en_US |
| dc.subject | Manufacturing Engineering | en_US |
| dc.title | MECHANICAL AND PHYSICAL PROPERTIES CHARACTERIZATION OF ALOE VERA AND RAFFIA PALM FIBERS HYBRID REINFORCED POLYESTER COMPOSITES | en_US |
| dc.type | Thesis | en_US |
