Classification of Textures and Microstructure Stability in Rolled F.C.C. Metals with Grain Interactions

Atish K. Ray; Bradley J. Diak

doi:10.4028/www.scientific.net/MSF.702-703.253

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HomeMaterials Science ForumMaterials Science Forum Vols. 702-703Classification of Textures and Microstructure...

Classification of Textures and Microstructure Stability in Rolled F.C.C. Metals with Grain Interactions

Abstract:

A novel experimental investigation of both high and medium stacking fault energy bi-crystals of aluminum and copper, respectively, show that orientation, grain interaction and material are all key factors in the stability of some ideal rolling texture components. Ideal {110} or {112} orientations obtained from high purity aluminum or copper single crystals were embedded within a {110} crystal orientation of the same material and reduced 60 percent by channel die compression at room temperature. Spatial misorientations developed inside the deformation bands were analyzed using SEM-based EBSD. The presence of long-range orientation gradients in some of the crystals revealed the interacting nature of polycrystalline deformation. From the results it is proposed that f.c.c. polycrystalline grains can be classified according to their stability and susceptibility to deformation: (i) stable and interacting; (ii) unstable and interacting; (iii) stable and non-interacting; (iv) unstable and non-interacting.

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Materials Science Forum (Volumes 702-703)

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253-260

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https://doi.org/10.4028/www.scientific.net/MSF.702-703.253

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Online since:

December 2011

Authors:

Atish K. Ray, Bradley J. Diak

Keywords:

Aluminum (Al), Brass, Copper, Grain Interaction, Plane Strain Compression, Quaternion

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