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The Low Velocity Impact Response of Shape Memory Alloy Hybrid Polymer Composites

College of Aerospace and Civil Engineering, Harbin Engineering University, Harbin 150001, China
State Key Laboratory of Tribology, Tsinghua University, Beijing 100084, China
Author to whom correspondence should be addressed.
Polymers 2018, 10(9), 1026;
Received: 31 August 2018 / Revised: 13 September 2018 / Accepted: 13 September 2018 / Published: 14 September 2018
(This article belongs to the Special Issue Polymer Hybrid Materials)
PDF [4987 KB, uploaded 14 September 2018]


Polymer composites are sensitive to impact loading due to their low impact resistance. Shape memory alloy (SMA) wires have been used to improve the impact resistance of the polymer composite materials because of their unique superelasticity performance. In this study, a new SMA hybrid basalt fiber-reinforced polymer composite embedded with two perpendicular layers of superelastic SMA wires is designed and the low-velocity impact behavior is experimental investigated. For contrast, the conventional polymer composite without SMA wires is also tested as the reference laminate. The tests are carried out at three different impact energy levels (30, 60 and 90 J). Moreover, to find out indications for manufacturing of SMA hybrid composites with high impact resistance, four different SMA wires embedded modes are investigated. Visual inspection and scanning electron microscope methods are adopted to identify the damage modes of the impacted samples. Results show that the impact resistance of the hybrid laminates is improved due to the hybridization of SMA wires. The most effective impact resistance of the SMA hybrid composites can be obtained by incorporating the SMA wires with one layer between the front two plies and another layer between the bottom two plies into the composite structure. View Full-Text
Keywords: polymer composites; shape memory alloy; low velocity impact polymer composites; shape memory alloy; low velocity impact

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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).

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Li, H.; Liu, J.; Wang, Z.; Yu, Z.; Liu, Y.; Sun, M. The Low Velocity Impact Response of Shape Memory Alloy Hybrid Polymer Composites. Polymers 2018, 10, 1026.

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