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Experimental validation of progressive damage modeling in additively manufactured continuous fiber composites

机译：Experimental validation of progressive damage modeling in additively manufactured continuous fiber composites

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摘要

Despite struggling to achieve the requirements necessary in many industrial applications, the additive manufacturing approach excels in complex designs often encountered in wearable technologies, prosthetics, implants, airfoils, and reverse engineering, where top-down machining can get quite expensive. Since fiber-reinforced composites are rarely used as unidirectional in engineering applications, analyzing the behavior of multilayered additively manufactured composites is critical, yet seldom found in the literature. Therefore, a progressive damage model based on Puck-Schurmann failure criteria has been proposed in this study. The continuous carbon fiber reinforced lamina properties have been acquired based on the available data in the literature and performed uniaxial experiments. The adopted properties were integrated within the damage model subroutine and used in finite element analysis software, while model parameters were calibrated using the response surface algorithms in the design of experiments according to the behavior of a distinctive multi-directionally reinforced test case and validated experimentally.

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