Texture, Stress, and Microstructure

Texture, Stress, and Microstructure / 1988 / Article

Open Access

Volume 8 |Article ID 916561 | https://doi.org/10.1155/TSM.8-9.415

S. Eucken, J. Hirsch, E. Hornbogen, "Texture and Microstructure of Meltspun Shape Memory Alloys", Texture, Stress, and Microstructure, vol. 8, Article ID 916561, 12 pages, 1988. https://doi.org/10.1155/TSM.8-9.415

Texture and Microstructure of Meltspun Shape Memory Alloys

Received27 Jul 1987
Accepted24 Aug 1987

Abstract

Shape memory effects are based on the shear stress sensitivity of the orientation of lattice variant and invariant shear which is associated with reversible martensitic phase transformation. The effect of texture and microstructure of the high temperature phase was investigated with copper based shape memory alloys. Rapid solidification can produce either a columnar grain structure with a pronounced 100 fibre texture, or an equiaxal structure with a grain orientation close to random. It could be shown that the columnar and textured grain structure produces the maximum shape memory effect in β-Cu alloys if the ribbon shaped specimen is exposed to tensile stress parallel to the length of the ribbons. These effects are explained by the influence of primary texture of the high temperature phase on the texture which originates in the martensitic low temperature phase if the transformation occurs under an external load.

Copyright © 1988 Hindawi Publishing Corporation. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


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