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Title
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Some Observations on the Development of Deformation Substructure in Zone-Refined Iron
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Report Number
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ASD-TDR-63-324 p. 141-175
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Creator
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Michalak, J. T.
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Cuddy, L. J.
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Corporate Author
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Edgar C. Bain Laboratory for Fundamental Research,
United States Steel Corporation Research Center
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Laboratory
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Directorate of Materials and Processes
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Date
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1963
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Date Issued
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1963-04
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Extent
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35
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Identifier
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AD0406794
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Format
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1 online resource
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Abstract
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The development of the de formation substructure of zone-refined iron is similar to that observed for l ess pure vacuum-melted iron. Qualitative differences with increased purity are noted and are associated with a decrease in the dislocation sources and the necessity for cross-slip . Evidence is presented to show that, in the purest iron investigated, dislocation movement in the foil prepared for transmission electron microscopy is quite unrestricted and that the observed structures may not be typical of the dislocation density and distribution in the bulk.
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Description
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The development of the de formation substructure of zone-refined iron is similar to that observed for l ess pure vacuum-melted iron. Qualitative differences with increased purity are noted and are associated with a decrease in the dislocation sources and the necessity for cross-slip . Evidence is presented to show that, in the purest iron investigated, dislocation movement in the foil prepared for transmission electron microscopy is quite unrestricted and that the observed structures may not be typical of the dislocation density and distribution in the bulk.
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Distribution Classification
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1
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Distribution Conflict
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No
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DTIC Record Exists
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No
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Illinois Tech Related
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No
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Photo Quality
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Complete
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Report Availability
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Full text available
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Type
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article
article07