Evolution of grain size distribution during deformation of superplastic materials

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Grain size distribution and its evolution during superplastic deformation has been studied for two materials- ultrahigh carbon steel, which has a two phase microstructure, and a copper alloy, which has a quasi-single phase microstructure. For both materials the distribution of initial grain size is very accurately represented by a lognormal throughout the deformation history. The evolution of the parameters characterizing the log normal distribution have also been studied and found to vary in a systematic manner results. Results can be used to specify the grain size distribution as a function of strain during superplastic deformation and thus should prove useful ... continued below

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13 p.

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Lesuer, D. R.; Glaser, R. & Syn, C. K. October 28, 1997.

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Grain size distribution and its evolution during superplastic deformation has been studied for two materials- ultrahigh carbon steel, which has a two phase microstructure, and a copper alloy, which has a quasi-single phase microstructure. For both materials the distribution of initial grain size is very accurately represented by a lognormal throughout the deformation history. The evolution of the parameters characterizing the log normal distribution have also been studied and found to vary in a systematic manner results. Results can be used to specify the grain size distribution as a function of strain during superplastic deformation and thus should prove useful for computational studies in which grain size distribution is evaluated.

Physical Description

13 p.

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OSTI as DE98052085

Other: FDE: PDF; PL:

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  • Annual meeting of the Minerals, Metals and Materials Society (TMS), San Antonio, TX (United States), 15-19 Feb 1998

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  • Other: DE98052085
  • Report No.: UCRL-JC--128674
  • Report No.: CONF-980202--
  • Grant Number: W-7405-ENG-48
  • Office of Scientific & Technical Information Report Number: 647031
  • Archival Resource Key: ark:/67531/metadc706936

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  • October 28, 1997

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  • Sept. 12, 2015, 6:31 a.m.

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  • April 10, 2017, 1:28 p.m.

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Lesuer, D. R.; Glaser, R. & Syn, C. K. Evolution of grain size distribution during deformation of superplastic materials, article, October 28, 1997; California. (digital.library.unt.edu/ark:/67531/metadc706936/: accessed September 22, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.