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  Oxidation behaviour and related microstructural changes of two β0–phase containing TiAl alloys between 600 °C and 900 °C

Mengis, L., Ulrich, A. S., Watermeyer, P., Liebscher, C., & Galetz, M. C. (2021). Oxidation behaviour and related microstructural changes of two β0–phase containing TiAl alloys between 600 °C and 900 °C. Corrosion Science, 178: 109085. doi:10.1016/j.corsci.2020.109085.

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 Creators:
Mengis, Lukas1, Author
Ulrich, Anke Silvia1, Author
Watermeyer, Philipp2, Author              
Liebscher, Christian2, Author              
Galetz, M. C.1, Author
Affiliations:
1DECHEMA-Forschungsinstitut, Theodor-Heuss-Allee 25, 60486, Frankfurt/Main, Germany, ou_persistent22              
2Advanced Transmission Electron Microscopy, Structure and Nano-/ Micromechanics of Materials, Max-Planck-Institut für Eisenforschung GmbH, Max Planck Society, ou_1863399              

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Free keywords: Intermetallics, TiAl, Oxidation, TEM
 Abstract: A comparative study on the isothermal oxidation behaviour of the two β0–containing titanium aluminide alloys GE 4822 and TNM-B1 in the HIPed condition has been conducted at temperatures between 600 °C and 900 °C for up to 1000 h in air. The two alloys exhibit clear differences in their oxidation behaviour, however, both suffer from undesirable embrittlement due to oxidation after exposure for 100 h even at 600 °C. Phase transformations in the subsurface zone were shown to have a strong impact on the mechanical properties at room temperature.

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Language(s): eng - English
 Dates: 2021-01
 Publication Status: Published in print
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Type: -
 Identifiers: DOI: 10.1016/j.corsci.2020.109085
 Degree: -

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Title: Corrosion Science
  Abbreviation : Corros. Sci.
Source Genre: Journal
 Creator(s):
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Publ. Info: Amsterdam : Pergamon
Pages: - Volume / Issue: 178 Sequence Number: 109085 Start / End Page: - Identifier: ISSN: 0010-938X
CoNE: https://pure.mpg.de/cone/journals/resource/954925393343