Unified thermodynamic constitutive model and finite element analysis of active metal matrix composites

Zhonghe Bo; Dimitris C. Lagoudas

doi:10.1117/12.200923

2 February 1995 Unified thermodynamic constitutive model and finite element analysis of active metal matrix composites

Zhonghe Bo, Dimitris C. Lagoudas

Proceedings Volume 2427, Active Materials and Smart Structures; (1995) https://doi.org/10.1117/12.200923
Event: Symposium on Active Materials and Smart Structures: Society of Engineering Science 31st Annual Meeting, 1994, College Station, TX, United States

Abstract

A unified thermodynamic constitutive model for Shape Memory Alloy (SMA) materials, derived by a proper extension of the thermodynamic model proposed by Boyd and Lagoudas is presented in this paper. The specific selections for the form of the mixing energy associated with the martensitic volume fraction are identified for several earlier models. The heat energy released or absorbed during the forward or reverse transformation predicted by the different models is compared with the experimental data from calorimetric measurements. The constitutive model is implemented in a finite element analysis scheme using a return mapping integration technique for the incremental formation of the model. Finally, the constitutive model is utilized to analyze the thermomechanical response of an active metal matrix composite with embedded SMA fibers. Both tetragonal and hexagonal periodic arrangements of SMA fibers are considered in the calculation and the results from the different arrangements of SMA fibers are compared.

Citation Download Citation

Zhonghe Bo and Dimitris C. Lagoudas "Unified thermodynamic constitutive model and finite element analysis of active metal matrix composites", Proc. SPIE 2427, Active Materials and Smart Structures, (2 February 1995); https://doi.org/10.1117/12.200923

ACCESS THE FULL ARTICLE

INSTITUTIONAL
Select your institution to access the SPIE Digital Library.

SELECT YOUR INSTITUTION

PERSONAL
Sign in with your SPIE account to access your personal subscriptions or to use specific features such as save to my library, sign up for alerts, save searches, etc.

PERSONAL SIGN IN

No SPIE Account? Create one

PURCHASE THIS CONTENT

SUBSCRIBE TO DIGITAL LIBRARY

50 downloads per 1-year subscription

Members: $195

Non-members: $335 ADD TO CART

25 downloads per 1 - year subscription

Members: $145

Non-members: $250 ADD TO CART

PURCHASE SINGLE ARTICLE

Includes PDF, HTML & Video, when available