Long Term Oxidation of Model and Engineering TiAl Alloys

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The purpose of this research was to characterize the oxidation behavior of several model (TiAl, TiAl-Nb, TiAl-Cr, TiAl-Cr-Nb) and engineering alloys (XD, K5, Alloy 7, WMS) after long-term isothermal exposure ({approx}7000 h) at 704 C, and after shorter time exposure ({approx}1000 h) at 800 C in air. High-resolution field emission and microprobe scanning electron microscopy were used to characterize the scales formed on these alloys. Similarities and differences observed in the scales are correlated with the various ternary and quaternary microalloying additions.

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Locci, IE August 24, 2001.

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Description

The purpose of this research was to characterize the oxidation behavior of several model (TiAl, TiAl-Nb, TiAl-Cr, TiAl-Cr-Nb) and engineering alloys (XD, K5, Alloy 7, WMS) after long-term isothermal exposure ({approx}7000 h) at 704 C, and after shorter time exposure ({approx}1000 h) at 800 C in air. High-resolution field emission and microprobe scanning electron microscopy were used to characterize the scales formed on these alloys. Similarities and differences observed in the scales are correlated with the various ternary and quaternary microalloying additions.

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  • Materials Research Society Fall Meeting, Boston, MA (US), 12/2000

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  • Report No.: P01-111634
  • Grant Number: AC05-00OR22725
  • Office of Scientific & Technical Information Report Number: 788644
  • Archival Resource Key: ark:/67531/metadc718053

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Office of Scientific & Technical Information Technical Reports

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  • August 24, 2001

Added to The UNT Digital Library

  • Sept. 29, 2015, 5:31 a.m.

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  • Jan. 22, 2016, 11:50 a.m.

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Locci, IE. Long Term Oxidation of Model and Engineering TiAl Alloys, article, August 24, 2001; Tennessee. (digital.library.unt.edu/ark:/67531/metadc718053/: accessed October 19, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.