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Energetics in martensites

Bruno, Oscar P. (1997) Energetics in martensites. In: Smart Structures and Materials 1997: Mathematics and Control in Smart Structures. Proceedings of SPIE. No.3039. Society of Photo-optical Instrumentation Engineers (SPIE) , Bellingham, WA, pp. 14-24. ISBN 9780819424525.

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Martensitic transformations are shape-deforming phase transitions which can be induced in certain alloys as a result of changes in the imposed strains, stresses or temperatures. The interest in these alloys, which undergo a shape-deforming phase transition form a high temperature phase to a low temperature phase, stems in part from their applicability as elements in active structures. In this paper we focus on the energy transfers that accompany the martensitic phase change. We discuss, in three concrete examples, the ways in which temperature, together with the elastic and dissipated energies, determine the equilibria as well as the quasi-static dynamics in martensites. Thus, in §1 we consider the pseudoelastic hysteresis in shape- memory wires; our treatment draws from (7, 3). In §2, on the other hand, we follow and discuss equilibrium configurations in polycrystalline martensitic polycrystals. In §3, finally, we present some new theoretical computations for certain typical microstructural lengthscales, the twin widths, observed in single- crystalline martensite twinning.

Item Type:Book Section
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URLURL TypeDescription ItemSpringer Chapter
Bruno, Oscar P.0000-0001-8369-3014
Additional Information:© 1997 Society of Photo-Optical Instrumentation Engineers (SPIE).
Series Name:Proceedings of SPIE
Issue or Number:3039
Record Number:CaltechAUTHORS:20181105-111232917
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Official Citation:Oscar P. Bruno, } "Energetics in martensites", Proc. SPIE 3039, Smart Structures and Materials 1997: Mathematics and Control in Smart Structures, (13 June 1997); doi: 10.1117/12.276557;
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:90644
Deposited By: Tony Diaz
Deposited On:06 Nov 2018 18:53
Last Modified:16 Nov 2021 03:34

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