Mechanisms responsible for texture development in a 5182 aluminum alloy deformed at elevated temperature

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Description

The textures that develop in a 5182 aluminum alloy as a result of monotonic high-temperature compression have been investigated. The authors found that the deformation texture was a function of temperature. For compressive deformation at 300 C and below the material formed the classic (101) deformation texture, while the material develops a texture that is a combination of the classical uniaxial compression deformation texture, (101), and static recrystallization texture, (001), as a result of the deformation alone when the deformation temperature was at and above 400 C. The investigation has focused on determining the mechanism responsible for the development of ... continued below

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12 p.

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Stout, M.G.; Chen, S.R.; Kocks, U.F.; Schwartz, A.J.; MacEwen, S.R. & Beaudoin, A.J. December 1, 1998.

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Description

The textures that develop in a 5182 aluminum alloy as a result of monotonic high-temperature compression have been investigated. The authors found that the deformation texture was a function of temperature. For compressive deformation at 300 C and below the material formed the classic (101) deformation texture, while the material develops a texture that is a combination of the classical uniaxial compression deformation texture, (101), and static recrystallization texture, (001), as a result of the deformation alone when the deformation temperature was at and above 400 C. The investigation has focused on determining the mechanism responsible for the development of this unusual progression of deformation textures. In addition the authors have performed orientation imaging microscopy (OIM) to identify the shapes of grains with particular orientations and grain-to-grain orientation relationships. The conclusions are summarized as follows: The texture development is not a result of static processes, i.e. static recrystallization at the various hold times altered neither the textures nor the constitutive behavior. Simulation using a crystal plasticity model indicates that the combination of a cube component prevalent in the original texture, slip activity on 011 planes, and increased rate sensitivity leads to a combined (001) and (101) texture. Finally, the microscopic OIM results are consistent with these observations.

Physical Description

12 p.

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OSTI as DE99001173

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  • 1998 Minerals, Metals and Materials Society (TMS) fall meeting, Rosemont, IL (United States), 11-15 Oct 1998

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  • Other: DE99001173
  • Report No.: LA-UR--98-2646
  • Report No.: CONF-981054--
  • Grant Number: W-7405-ENG-36
  • DOI: 10.2172/290955 | External Link
  • Office of Scientific & Technical Information Report Number: 290955
  • Archival Resource Key: ark:/67531/metadc681185

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  • December 1, 1998

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  • July 25, 2015, 2:20 a.m.

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  • Feb. 29, 2016, 4:11 p.m.

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Stout, M.G.; Chen, S.R.; Kocks, U.F.; Schwartz, A.J.; MacEwen, S.R. & Beaudoin, A.J. Mechanisms responsible for texture development in a 5182 aluminum alloy deformed at elevated temperature, report, December 1, 1998; New Mexico. (digital.library.unt.edu/ark:/67531/metadc681185/: accessed September 19, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.