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Open AccessArticle

A Three-Phase Model Characterizing the Low-Velocity Impact Response of SMA-Reinforced Composites under a Vibrating Boundary Condition

College of Aerospace and Civil Engineering, Harbin Engineering University, Harbin 150001, China
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Materials 2019, 12(1), 7; https://doi.org/10.3390/ma12010007
Received: 7 November 2018 / Revised: 14 December 2018 / Accepted: 17 December 2018 / Published: 20 December 2018
(This article belongs to the Special Issue Damage Detection and Characterization of High Performance Composites)
Structural vibration induced by dynamic load or natural vibration is a non-negligible factor in failure analysis. Based on a vibrating boundary condition, the impact resistance of shape memory alloy (SMA)-reinforced composites was investigated. In this investigation, a modified Hashin’s failure criterion, Brinson’s model, and a visco-hyperelastic model were implemented into a numerical model to characterize the mechanical behavior of glass fiber/epoxy resin laminates, SMAs, and interphase, respectively. First, a fixed boundary condition was maintained in the simulation to verify the accuracy of the material parameters and procedures by a comparison with experimental data. Then, a series of vibrating boundaries with different frequencies and amplitudes was applied during the simulation process to reveal the effect on impact resistances. The results indicate that the impact resistance of the composite under a higher frequency or a larger amplitude is lower than that under a lower frequency or a smaller amplitude.
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Keywords: SMA-reinforced composite; low-velocity impact; vibrating boundary; numerical analysis SMA-reinforced composite; low-velocity impact; vibrating boundary; numerical analysis
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MDPI and ACS Style

Chang, M.; Kong, F.; Sun, M.; He, J. A Three-Phase Model Characterizing the Low-Velocity Impact Response of SMA-Reinforced Composites under a Vibrating Boundary Condition. Materials 2019, 12, 7.

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