Abstract

A new methodology for polymer process qualitative design in the conceptual or preliminary engineering phase is presented. This method relies on fuzzy theories in order to investigate the effect of fuzzy-type uncertainty on both single and multiple output performance parameters, such as desired material properties, resulting from the polymer processing through the use of language computations. The proposed linguistic design of experiments involves a three-stage procedure comprising linguistic fuzzification, inference and defuzzification. For illustration, the implementation procedure is detailed through the study of a compression molding process in the presence of vagueness. The proposed method is expected to enhance the quality of the polymer processing and also to save both time and cost during the course of the process development.

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