Engler, O. ; Padmanabhan, K. A. ; Lücke, K. (2000) A model for superplastic flow induced texture annihilation Modelling and Simulation in Materials Science and Engineering, 8 (4). pp. 477-490. ISSN 0965-0393
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Official URL: http://iopscience.iop.org/0965-0393/8/4/306
Related URL: http://dx.doi.org/10.1088/0965-0393/8/4/306
Abstract
A phenomenological model that simulates the frequently observed texture annihilation during superplastic deformation is presented using the random walk process as an analogy. This phenomenon has been described as `orientation diffusion'. The model has been validated by considering the texture changes accompanying superplastic deformation in the alloy SUPRAL 100 (Al-6.5%Cu-0.4%Zr). The resulting `orientation diffusion coefficient' is given physical significance in terms of two processes present during superplastic flow, namely grain boundary sliding and grain rotation.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to IOPscience. |
| ID Code: | 35260 |
| Deposited On: | 06 Apr 2011 13:18 |
| Last Modified: | 04 Jul 2012 13:18 |
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