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The Study of Impact Properties of UDF/epoxy Composites with Shape Memory Alloy Wires (SMAs) under Low Velocity Impact
College of Aerospace and Civil Engineering, Harbin Engineering University, Harbin, 150001, P. R. China.
* Corresponding Author: e-mail:
Journal of Polymer Materials 2017, 34(3), 553-563.
Abstract
The objective of this investigation is to study the impact properties of unidirectional glass fiber (UDF) reinforced epoxy laminates with shape memory alloy wires (SMAs) inserted. The SMAs/ GF/epoxy laminates are manufactured with vacuum assisted resin injection (VARI) process. Then, the low velocity impact tests of such laminates were conducted at room temperature. The experimental result shows that the impact properties of laminates can be improved by embedding SMAs which may be due to the super-elasticity capacity of shape memory alloy wires (SMAs). The position of SMAs insertion has an effect on impact properties of composites, and the laminate with the ply code [90° /0° /SMAs/(90° /0° )7 ] and [(90° /0° )4 /SMAs/(90° /0° )3 /90° /SMAs/0° ] have the best impact properties.Keywords
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