Measurement of the density of liquid aluminum-319 alloy by an x-ray attenuation technique

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Description

This study was made for assisting in casting simulations. A relatively simple apparatus was constructed for measuring the density of Al-based alloys in the solid and liquid states up to 900 C. One of the more important physical properties of a casting alloy, solidification shrinkage, was measured for a commercial Al alloy (Al-319). It was found that while the thermal expansion of Al-319 in both solid and liquid phases is similar to that of pure Al, the density of the liquid alloy is lower than estimated by averaging the atomic volumes of the pure liquid components. The densities were measured ... continued below

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13 p.

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Smith, P.M. & Gallegos, G.F. November 1, 1994.

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Description

This study was made for assisting in casting simulations. A relatively simple apparatus was constructed for measuring the density of Al-based alloys in the solid and liquid states up to 900 C. One of the more important physical properties of a casting alloy, solidification shrinkage, was measured for a commercial Al alloy (Al-319). It was found that while the thermal expansion of Al-319 in both solid and liquid phases is similar to that of pure Al, the density of the liquid alloy is lower than estimated by averaging the atomic volumes of the pure liquid components. The densities were measured by x-ray attenuation.

Physical Description

13 p.

Notes

OSTI as DE96050508

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  • Other Information: PBD: Nov 1994

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  • Other: DE96050508
  • Report No.: UCRL-ID--118974
  • Grant Number: W-7405-ENG-48
  • DOI: 10.2172/387523 | External Link
  • Office of Scientific & Technical Information Report Number: 387523
  • Archival Resource Key: ark:/67531/metadc688974

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  • November 1, 1994

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  • July 25, 2015, 2:20 a.m.

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  • Feb. 17, 2016, 2:17 p.m.

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Smith, P.M. & Gallegos, G.F. Measurement of the density of liquid aluminum-319 alloy by an x-ray attenuation technique, report, November 1, 1994; California. (digital.library.unt.edu/ark:/67531/metadc688974/: accessed September 25, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.