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Abstract

A procedure that employed the grey relational analysis was proposed to optimize the multiresponse problem. The procedure was demonstrated by investigating fiber-reinforced poly(butylene terephthalate). Ultimate stress and fracture toughness were selected to be the multiple qualities. The Taguchi method was also employed to obtain the optimal process condition for a single response of ultimate stress and again for fracture toughness. The results showed that the recommended condition obtained using grey relational analysis gave satisfactory results in both the S/N ratios of ultimate stress and fracture toughness. This demonstrates the proposed procedure is effective for the optimization of multiresponse problems.

Keywords

PBT injection molding grey relational analysis ultimate stress and fracture toughness

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Study of Multiresponse Optimization for Fiber-reinforced Poly(Butylene Terephthalate)

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