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A Theory of Shape-Memory Thin Films with Applications

Bhattacharya, K. and James, R. D. (1996) A Theory of Shape-Memory Thin Films with Applications. In: Materials for Smart Systems II. Materials Research Society Symposia Proceedings. No.459. Materials Research Society , Pittsburgh, PA, pp. 311-316. ISBN 1-55899-363-0.

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Shape-memory alloys have the largest energy output per unit volume per cycle of known actuator systems [1]. Unfortunately, they are temperature activated and hence, their frequency is limited in bulk specimens. However, this is overcome in thin films; and hence shape-memory alloys are ideal actuator materials in micromachines. The heart of the shape-memory effect lies in a martensitic phase transformation and the resulting microstructure. It is well-known that microstructure can be significantly different in thin films as compared to bulk materials. In this paper, we report on a theory of single crystal martensitic this films. We show that single crystal films of shape memory material offer interesting possibilities for producing very large deformations, at small scales.

Item Type:Book Section
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URLURL TypeDescription
Bhattacharya, K.0000-0003-2908-5469
James, R. D.0000-0001-6019-6613
Additional Information:© 1997 Materials Research Society.
Series Name:Materials Research Society Symposia Proceedings
Issue or Number:459
Record Number:CaltechAUTHORS:20160127-091313224
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Official Citation:K. Bhattacharya and R. D. James (1996). A Theory of Shape-Memory Thin Films with Applications. MRS Proceedings, 459, 311 doi:10.1557/PROC-459-311.
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:64000
Deposited By: Ruth Sustaita
Deposited On:27 Jan 2016 17:31
Last Modified:09 Mar 2020 13:18

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