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- W2968378434 abstract "Abstract Polymer matrix composites (Aluminium-polyester and carbon black-polyester) are used in diverse applications due to their easy adaptability in providing tailored mechanical properties. Their production process in autoclave curing results in long processing cycle, which invariably affects the quality negatively. Literatures are sparse on optimum production process parameters of polymer-matrix composites. The objective of this study was to determine optimum process parameters for the production of Aluminium-polyester and carbon black-polyester composites in autoclave oven. The process parameters (cure temperature, ultimate degree of cure and cure cycle) were first examined by experimentation according to ASTM D-790 as control by producing three set of samples of polyester-Aluminium and polyester-carbon black composites separately in 30, 20 and 10 % reinforcement composition. The optimization of the autoclave process was done by solving one dimensional transient heat transfer model coupled with cure kinetic model for the minimization of cure time as objective function subject to maximum and minimum allowable temperatures, as constraints using finite difference method and optimized by genetic algorithm. The results of the experimentation show that autoclave oven achieved cure temperatures of 90 and 75oC, ultimate degree of cure of 85.0 and 80.0% in 270 and 170 minutes for aluminium-polyester and carbon black-polyester, respectively. Autoclave optimum process parameters were able to achieve cure temperatures of 90 and 75 oC, ultimate degree of cure of 99.0 and 100.0% and also minimised the cure cycle to 30 and 23 minutes for aluminium-polyester and carbon black-polyester composites, respectively, compared to 270 and 170 minutes, respectively in the conventional control experiment. Optimum process parameters were obtained for different weight fractions of aluminium-polyester and carbon black-polyester composites and are useful for producing polymer composites with desirable microstructures and mechanical properties." @default.
- W2968378434 created "2019-08-22" @default.
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- W2968378434 date "2019-01-01" @default.
- W2968378434 modified "2023-09-26" @default.
- W2968378434 title "Optimum cure cycles of autoclave process for polymer matrix composites using genetic algorithm" @default.
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- W2968378434 doi "https://doi.org/10.1016/j.promfg.2019.05.005" @default.
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