Cheng , Yuan We (2008) Tensile Properties And Morphology Studies Of Polymeric Biocomposite. Project Report. UTeM, Melaka,Malaysia. (Submitted)
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Abstract
Polymeric bio-composite is a materialformed using a polymeric matrix (resin) and a ... reinforcement of natural. fibers which are usually derived from plants or cellulose. The objective of current research is to investigate the tensile properties of unsaturated polyesterkenaf by using the resin infusion process (RIP) in comparison with hand lay up method (HL). The effects of alkali treatment to the tensile properties of composite also were investigated. Besides, the interphase and interfacial bonding of the bio-composite especially the fracture surface of the composite will be analyzed by using SEM. The composite were fabricated by using resin infusion process and hand lay up method. The fibers were treated with different concentration and soaking time of sodium hydroxide. After that, the samples were prepared for tensile test (ASTM D638-1). According to the findings, it was observed that the optimum concentration and soaking time for composite was,.6% and 12 hours. This is because in both processes (RIP and HL), the tensile strength were 90.808MPa (RIP) and 71.217MPa (HL,) which was the highest compared to other concentration and soaking time. This was clarified further by the SEM where show smaller degree of fiber pulls out and rough surface fibers. Lastly, the tensile properties of RIP were better than HL no matter in treated or untreated composites because the results such as tensile strength, Young's modulus and maximum strain shown that the value was higher than HL in overall.
Item Type: | Final Year Project (Project Report) |
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Uncontrolled Keywords: | Composite materials -- Mechanical properties , Polymeric composites |
Subjects: | T Technology > T Technology (General) T Technology > TA Engineering (General). Civil engineering (General) |
Divisions: | Library > Final Year Project > FKP |
Depositing User: | Mohd Syahrizal Mohd Razali |
Date Deposited: | 26 Jun 2012 00:38 |
Last Modified: | 28 May 2015 02:37 |
URI: | http://digitalcollection.utem.edu.my/id/eprint/3737 |
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