Dilatometry in the Gleeble: What did you really measure?

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Description

The Gleeble is an oft-used tool for welding metallurgy research. Besides producing synthetic weld specimens, it is used to determine phase transformation temperatures and kinetics via dilatometry. Experimental data and an FEM model are used to examine measured dilatation errors because of non-uniform heating of the dilatometer and other sources such as sample elastic and plastic deformation. Both isothermal and constant heating/cooling rate scenarios are considered. Further errors which may be introduced when the dilatation is incorrectly assumed to be linearly related to the volume fraction transformed are also discussed.

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6 p.

Creation Information

Knorovsky, G.A.; Robino, C.V.; Dykhuizen, R.C. & MacCallum, D.O. June 1, 1998.

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This article is part of the collection entitled: Office of Scientific & Technical Information Technical Reports and was provided by UNT Libraries Government Documents Department to Digital Library, a digital repository hosted by the UNT Libraries. It has been viewed 48 times . More information about this article can be viewed below.

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  • Sandia National Laboratories
    Publisher Info: Sandia National Labs., Albuquerque, NM (United States)
    Place of Publication: Albuquerque, New Mexico

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Description

The Gleeble is an oft-used tool for welding metallurgy research. Besides producing synthetic weld specimens, it is used to determine phase transformation temperatures and kinetics via dilatometry. Experimental data and an FEM model are used to examine measured dilatation errors because of non-uniform heating of the dilatometer and other sources such as sample elastic and plastic deformation. Both isothermal and constant heating/cooling rate scenarios are considered. Further errors which may be introduced when the dilatation is incorrectly assumed to be linearly related to the volume fraction transformed are also discussed.

Physical Description

6 p.

Notes

OSTI as DE98005912

Source

  • 5. international conference on trends in welding research, Pine Mountain, GA (United States), 1-5 Jun 1998

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  • Other: DE98005912
  • Report No.: SAND--98-1404C
  • Report No.: CONF-980657--
  • Grant Number: AC04-94AL85000
  • Office of Scientific & Technical Information Report Number: 663191
  • Archival Resource Key: ark:/67531/metadc711905

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Creation Date

  • June 1, 1998

Added to The UNT Digital Library

  • Sept. 12, 2015, 6:31 a.m.

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  • April 14, 2016, 8:25 p.m.

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Knorovsky, G.A.; Robino, C.V.; Dykhuizen, R.C. & MacCallum, D.O. Dilatometry in the Gleeble: What did you really measure?, article, June 1, 1998; Albuquerque, New Mexico. (digital.library.unt.edu/ark:/67531/metadc711905/: accessed September 21, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.