Development of a Two-Phase Model for the Hot Deformation of Highly-Alloyed Aluminum

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Conventional processing methods for highly alloyed aluminum consist of ingot casting, followed by hot rolling and thermal treatments. Defects result in lost productivity and wasted energy through the need to remelt and reprocess the material. This research centers on developing a fundamental understanding for deformation of wrought 705X series alloys, a key alloy system used in structural airframe applications. The development of damage at grain boundaries is characterized through a novel test that provides initiation of failure while preserving a controlled deformation response. Data from these mechanical tests are linked to computer simulations of the hot rolling process through a ... continued below

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Beaudoin, A. J.; Dantzig, J. A.; Robertson, I. M.; Gore, B. E.; Harnish, S. F. & Padilla, H. A. October 31, 2005.

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Conventional processing methods for highly alloyed aluminum consist of ingot casting, followed by hot rolling and thermal treatments. Defects result in lost productivity and wasted energy through the need to remelt and reprocess the material. This research centers on developing a fundamental understanding for deformation of wrought 705X series alloys, a key alloy system used in structural airframe applications. The development of damage at grain boundaries is characterized through a novel test that provides initiation of failure while preserving a controlled deformation response. Data from these mechanical tests are linked to computer simulations of the hot rolling process through a critical measure of damage. Transmission electron microscopy provides fundamental insight into deformation at these high working temperatures, and--in a novel link between microscale and macroscale response--the evolution of microstructure (crystallographic orientation) provides feedback for tuning of friction in the hot rolling process. The key product of this research is a modeling framework for the analysis of industrial hot rolling.

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  • Report No.: DOE/FE/14190
  • Grant Number: FC36-01ID14190
  • DOI: 10.2172/859225 | External Link
  • Office of Scientific & Technical Information Report Number: 859225
  • Archival Resource Key: ark:/67531/metadc789067

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  • October 31, 2005

Added to The UNT Digital Library

  • Dec. 3, 2015, 9:30 a.m.

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  • Dec. 5, 2016, 2:10 p.m.

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Beaudoin, A. J.; Dantzig, J. A.; Robertson, I. M.; Gore, B. E.; Harnish, S. F. & Padilla, H. A. Development of a Two-Phase Model for the Hot Deformation of Highly-Alloyed Aluminum, report, October 31, 2005; United States. (digital.library.unt.edu/ark:/67531/metadc789067/: accessed August 17, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.