Texture, Stress, and Microstructure

Texture, Stress, and Microstructure / 1989 / Article

Open Access

Volume 10 |Article ID 923587 | https://doi.org/10.1155/TSM.10.135

W. Y. Yeung, J. Hirsch, M. Hatherly, "Rolling and Annealing of Fine Grained 70:30 Brass", Texture, Stress, and Microstructure, vol. 10, Article ID 923587, 18 pages, 1989. https://doi.org/10.1155/TSM.10.135

Rolling and Annealing of Fine Grained 70:30 Brass

Received20 Aug 1988

Abstract

The rolling textures and microstructures developed in fine grained (2–5 μm diam.) 70:30 brass are different to those found in coarser grained material. The {111}uvwγ fibre usually found at medium reductions is not developed but the normal {110}112 texture still emerges at higher reductions. The microstructures are related to these changes. Although twinning is a deformation mode at low reductions the volume of twins is never large and the twin alignment characteristic of normal brass at ∼70% reduction does not occur. The pattern of shear band development is changed and large areas of the microstructure are featureless at high reductions. Hardness values show an unexpected rise between 60 and 90% reduction and this is attributed to a Stage IV regime of strain hardening. After annealing at 300 and 900℃ the textures are typical of those found in coarser grained material.

Copyright © 1989 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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