Tensile Properties of Random Distribution Short SMA Fiber Reinforced Composites

Hong Shuai Lei; Bo Zhou; Zhen Qing Wang; Xiao Qiang Wang

doi:10.4028/www.scientific.net/KEM.488-489.686

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Tensile Properties of Random Distribution Short SMA Fiber Reinforced Composites
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Tensile Properties of Random Distribution Short SMA Fiber Reinforced Composites

Abstract:

Shape memory alloy (SMA) reinforced composites have been widely used in aerospace engineering fields. In this paper, four basic assumptions were presented to simply the research model based on the Eshelby’s equivalent inclusion method and Mori-Tanaka scheme. Based on the three-phase equivalent system and two-step equivalent process, the effective elastic modulus and thermal expansion coefficient of unidirectional random distribution short SMA fiber reinforced composites were derived. The tensile mechanical properties of composites with fiber volume fraction (15%), size (L=3, D=1; L=5, D=1), and number (N= 30, 50), were simulated using software ANSYS12.0, and discussed the failure mode of the composites.