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Thermo-Mechanical Behavior of Short SMA Reinforced Polymeric Composite Using Shear tag Theory
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 Title & Authors
Thermo-Mechanical Behavior of Short SMA Reinforced Polymeric Composite Using Shear tag Theory
Jeong, Tae-Heon; Lee, Dong-Joo;
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 Abstract
Thermo-mechanical behavior of discontinuous shape memory alloy(SMA) reinforced polymeric composite has been studied using modified shear lag theory and finite element(FE) analysis with 2-D multi-fiber model. The aligned and staggered models of short-fiber arrangement are employed. The effects of fiber overlap and aspect ratio on the thermomechanical responses such as the thermal expansion coefficient are investigated. It is found that the increase of both tensile stress(resistance stress) in SMA fiber and compressive stress in polymer matrix with increasing aspect ratio is the main cause of low thermal deformation of the composite.
 Keywords
Shape Memory Alloy(SMA);Shear Lag Theory;Aspect Ratio;Array;Thermal Expansion;Short Fiber;
 Language
Korean
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