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β → β + α Isothermal Phase Transformation in Ti17 Titanium Alloy: Chemical Composition and Crystallographic Aspect

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Abstract:

The partitioning of alloying elements between a and b phases was measured at different steps of the isothermal transformation at 710 and 610°C in Ti 17 alloy using EDX analyzer in the TEM. In addition, the transformation crystallography was determined. No differences in substitution elements were observed for a same transformation temperature in the a phase, however the composition varied with the transformation temperature. For the partial transformed specimens, gradient in composition were obtained. Results are compared to calculated compositions using ThermoCalc software and Saunders database.

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Periodical:

Solid State Phenomena (Volumes 172-174)

Pages:

396-401

DOI:

https://doi.org/10.4028/www.scientific.net/SSP.172-174.396

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Online since:

June 2011

Authors:

Moukrane Dehmas, Julien Kovac, Benoît Appolaire, Elisabeth Aeby-Gautier, Benoit Denand, Julien Da Costa Teixeira

Keywords:

Chemical Composition, Crystallography, Equilibrium Calculation, TEM-EDX, Titanium Alloy

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© 2011 Trans Tech Publications Ltd. All Rights Reserved

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References

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