Properties Evaluation of Natural Weathered Polyester/Nano-Locust Bean Pods Ash (LBPA) Composite

B.O. Araoye, A. Kasim, M. Abdulwahab, U. Shehu


Nano-Locust bean Pod Ash (LBPA) reinforced polyester matrix composite was developed via Sol-gel techniques to investigate the mechanical and physical properties of the composite after weathering. The mechanical and physical test samples were prepared according to ASTM standard. The composite were subjected to weathering tests to study the effect of natural weather and its degradation on the properties of the composites. The moisture absorption of the composite after 24 hours as well as the weight loss of the test samples after degradation was evaluated. Percentage water absorption of the composite increased with increase in percentage reinforcement composition. The percentage weight losses also increase as the percent reinforcement in the composite increases. Weight loss of the test samples after 30 days shows the highest weight loss values. Approximately 54%, 11%, 86%, and 43% drop in values after 90days exposure was recorded for impact, tensile, flexural and hardness test values respectively. The reduction in modulus values recorded for tensile and flexural was approximately 51% and 8%.

Keywords: Nanosized LBPA; polyester composite; Natural weathering; Properties



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ISSN (Paper)2224-6096 ISSN (Online)2225-0581

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