Effects of interface treatment on the fatigue behaviour of shape memory alloy reinforced polymer composites

S. R. Hiremath; K. Harish; Ramakrishna Vasireddi; M. M. Benal; D. Roy Mahapatra

doi:10.1117/12.2182279

1 April 2015 Effects of interface treatment on the fatigue behaviour of shape memory alloy reinforced polymer composites

S. R. Hiremath, K. Harish, Ramakrishna Vasireddi, M. M. Benal, D. Roy Mahapatra

Author Affiliations +

Proceedings Volume 9432, Behavior and Mechanics of Multifunctional Materials and Composites 2015; 94320V (2015) https://doi.org/10.1117/12.2182279
Event: SPIE Smart Structures and Materials + Nondestructive Evaluation and Health Monitoring, 2015, San Diego, California, United States

Abstract

Interfacial properties of Shape Memory Alloy (SMA) reinforced polymer matrix composites can be enhanced by improving the interfacial bonding. This paper focuses on studying the interfacial stresses developed in the SMAepoxy interface due to various laser shot penning conditions. Fiber-pull test-setup is designed to understand the role of mechanical bias stress cycling and thermal actuation cycling. Phase transformation is tracked over mechanical and thermal fatigue cycles. A micromechanics based model developed earlier based on shear lag in SMA and energy based consistent homogenization is extended here to incorporate the stress-temperature phase diagram parameters for modeling fatigue.

Citation Download Citation

S. R. Hiremath, K. Harish, Ramakrishna Vasireddi, M. M. Benal, and D. Roy Mahapatra "Effects of interface treatment on the fatigue behaviour of shape memory alloy reinforced polymer composites", Proc. SPIE 9432, Behavior and Mechanics of Multifunctional Materials and Composites 2015, 94320V (1 April 2015); https://doi.org/10.1117/12.2182279

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