Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/18263
Title: Constitutive modeling of aluminum matrix NiTi fiber-reinforced smart composite
Authors: Lee, WB 
Jie, M
Tang, CY 
Keywords: NiTi fiber
Shape-memory effect
Smart composite
Stress-strain relationship
Issue Date: 2001
Publisher: Elsevier
Source: Journal of materials processing technology, 2001, v. 116, no. 2-3, p. 219-223 How to cite?
Journal: Journal of materials processing technology 
Abstract: The purpose of this study is to provide a numerical method to model the constitutive behavior of aluminum matrix NiTi fiber-reinforced smart composite along the fiber direction. In the present approach, pseudo-elasticity, shape-memory, and strain-hardening effects have been taken into account. During phase transformation, the strain-temperature relation of NiTi fibers has been assumed to be linear. Hence, the incremental stress-strain relationship of the fibers has been derived for each temperature range where phase transformation takes place. A bi-linear and isotropic hardening elasto-plastic model has been employed to describe the stress-strain relation of the aluminum matrix. With the consideration of the fabrication procedure, the stress-strain behavior of the composite has been computed.
URI: http://hdl.handle.net/10397/18263
ISSN: 0924-0136
DOI: 10.1016/S0924-0136(01)01051-2
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