Finite element modeling of the effect of interface anomalies on thermal stresses in alumina scales.

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Description

The scales that grow from oxidation often develop a convoluted morphology or interface pores. High thermal stresses can develop locally and are potentially detrimental to the scale or interface integrity. Finite element simulations are used to examine residual thermal stresses and strains that result when these deviations from a flat interface have formed, and the resulting geometry is subsequently cooled to room temperature. A variety of geometries will be considered for alumina scales on a FeCrAl substrate.

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15 p.

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Wright, J. K. June 10, 1998.

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Description

The scales that grow from oxidation often develop a convoluted morphology or interface pores. High thermal stresses can develop locally and are potentially detrimental to the scale or interface integrity. Finite element simulations are used to examine residual thermal stresses and strains that result when these deviations from a flat interface have formed, and the resulting geometry is subsequently cooled to room temperature. A variety of geometries will be considered for alumina scales on a FeCrAl substrate.

Physical Description

15 p.

Notes

OSTI as DE00010841

Medium: P; Size: 15 pages

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  • 193rd Meeting of the Electrochemical Society, San Diego, CA (US), 05/03/1998--05/08/1998

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  • Report No.: ANL/MSD/CP-96647
  • Grant Number: W-31109-ENG-38
  • Office of Scientific & Technical Information Report Number: 10841
  • Archival Resource Key: ark:/67531/metadc621525

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Office of Scientific & Technical Information Technical Reports

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  • June 10, 1998

Added to The UNT Digital Library

  • June 16, 2015, 7:43 a.m.

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  • April 7, 2017, 2:59 p.m.

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Wright, J. K. Finite element modeling of the effect of interface anomalies on thermal stresses in alumina scales., article, June 10, 1998; Illinois. (digital.library.unt.edu/ark:/67531/metadc621525/: accessed April 26, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.