Shape Memory and Superelastic Technologies (SMST) (September 21-25, 2008): Shape Memory Alloy (SMA) Embedded Composite for Repetitive Actuations: Evaluation of Mechanical and Environmental Properties
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9.2 Shape Memory Alloy (SMA) Embedded Composite for Repetitive Actuations: Evaluation of Mechanical and Environmental Properties

Tuesday, September 23, 2008: 12:15 PM
Room C (Palazzo dei Congressi di Stresa)
Mrs. Yun-Mi Kim , School of Mechanical and Aerospace Engineering & Institute of Advanced Machinary and Design Seoul National University, Seoul, South Korea
Min-Saeng Kim , School of Mechanical and Aerospace Engineering & Institute of Advanced Machinary and Design Seoul National University, Seoul, South Korea
Sung-Hoon Ahn , School of Mechanical and Aerospace Engineering & Institute of Advanced Machinary and Design Seoul National University, Seoul, South Korea
SMAs provide both sensing and actuating functions from their shape memory effect (SME), pseudo-elasticity, high damping capability and other characteristics. Embedding shape memory alloys in the laminated composite can create intelligent or smart composites. To use the benefits of the shape memory effect in SMA composite structures, understanding the mechanical properties of SMA embedded composite is very crucial. In this paper, glass fiber reinforced composite embedded with Ni-Ti wires were developed and various experiments were performed. The pull-out properties of pre-strained SMA wire embedded composites subjected to different conditions were experimentally studied. The deflection caused by the activation of embedded SMA wires was measured. In addition, 3-point bending test and environmental test were performed.
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