A simulation of recrystallization based on EBSD orientation microscopy data

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The present paper introduces a novel stochastic two-dimensional model to simulate the evolution of microstructure and texture during recrystallization. The model is based on data derived by automated large-scale EBSD local texture analysis, i.e., by orientation microscopy. Each measured point is characterized by its coordinates x and y in the microstructure, its crystallographic orientation g and a parameter q describing the quality of the EBSD-pattern which is affected by lattice strain and hence discloses information on the dislocation density. The concurrent information on the local arrangement of orientations and dislocation densities is utilized to derive conclusions on the nucleation and ... continued below

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8 p.

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Engler, O. December 1, 1998.

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Description

The present paper introduces a novel stochastic two-dimensional model to simulate the evolution of microstructure and texture during recrystallization. The model is based on data derived by automated large-scale EBSD local texture analysis, i.e., by orientation microscopy. Each measured point is characterized by its coordinates x and y in the microstructure, its crystallographic orientation g and a parameter q describing the quality of the EBSD-pattern which is affected by lattice strain and hence discloses information on the dislocation density. The concurrent information on the local arrangement of orientations and dislocation densities is utilized to derive conclusions on the nucleation and subsequent growth of the new recrystallized grains. The principles of the model are outlined and three example are shown to illustrate the possibilities of the model to simulate the evolution of microstructure and texture during recrystallization.

Physical Description

8 p.

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OSTI as DE99001270

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  • 19. Risoe international symposium on materials science, Roskilde (Denmark), 7-11 Sep 1998

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  • Other: DE99001270
  • Report No.: LA-UR--98-2443
  • Report No.: CONF-980964--
  • Grant Number: W-7405-ENG-36
  • Office of Scientific & Technical Information Report Number: 296815
  • Archival Resource Key: ark:/67531/metadc679202

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Reports, articles and other documents harvested from the Office of Scientific and Technical Information.

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  • December 1, 1998

Added to The UNT Digital Library

  • July 25, 2015, 2:20 a.m.

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  • Nov. 3, 2016, 1:32 p.m.

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Engler, O. A simulation of recrystallization based on EBSD orientation microscopy data, article, December 1, 1998; New Mexico. (digital.library.unt.edu/ark:/67531/metadc679202/: accessed December 13, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.