Effects of thermomechanical processing on the resulting mechanical properties of 6101 aluminum foam

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Description

Porous materials represent a tremendous weight savings for light-weight structural applications. The fabrication path can play a critical role in the resulting properties. High porosity aluminum was fabricated in a number of ways. The starting material was a cast 6101 aluminum that had a relative density of 9.8%. The cast aluminum block was compressed by uniaxial, biaxial, and triaxial densification. Uniaxial compression was done at room temperature and 200 C. Biaxial compression was achieved by unidirectional rolling at room temperature and 200 C. Triaxial compression was done by cold isostatic pressing at 3.4, 6.7, and 34 MPa (0.5, 1.0, and ... continued below

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6 p.

Creation Information

Margevicius, R.W.; Stanek, P.W. & Jacobson, L.A. December 1, 1998.

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Description

Porous materials represent a tremendous weight savings for light-weight structural applications. The fabrication path can play a critical role in the resulting properties. High porosity aluminum was fabricated in a number of ways. The starting material was a cast 6101 aluminum that had a relative density of 9.8%. The cast aluminum block was compressed by uniaxial, biaxial, and triaxial densification. Uniaxial compression was done at room temperature and 200 C. Biaxial compression was achieved by unidirectional rolling at room temperature and 200 C. Triaxial compression was done by cold isostatic pressing at 3.4, 6.7, and 34 MPa (0.5, 1.0, and 5.0 ksi). Metallography and mechanical test specimens were machines from the processed bars. The mechanical properties showed that the relative yield strength depended both on relative density and processing temperature.

Physical Description

6 p.

Notes

OSTI as DE99001174

Source

  • Spring meeting of the Materials Research Society, San Francisco, CA (United States), 13-17 Apr 1998

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  • Other: DE99001174
  • Report No.: LA-UR--98-2659
  • Report No.: CONF-980405--
  • Grant Number: W-7405-ENG-36
  • DOI: 10.2172/290954 | External Link
  • Office of Scientific & Technical Information Report Number: 290954
  • Archival Resource Key: ark:/67531/metadc688783

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  • December 1, 1998

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  • July 25, 2015, 2:20 a.m.

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  • Feb. 25, 2016, 4:14 p.m.

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Margevicius, R.W.; Stanek, P.W. & Jacobson, L.A. Effects of thermomechanical processing on the resulting mechanical properties of 6101 aluminum foam, report, December 1, 1998; New Mexico. (digital.library.unt.edu/ark:/67531/metadc688783/: accessed August 24, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.