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Damage Mechanisms and Rupture Criterion of PM Ti-6Al-4V at 20K

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Abstract:

A two parameters rupture criterion for Ti-6Al-4V is proposed, based on cryogenic rupture tests. microstructural observations and FEM analysis,. The damage mechanisms including the cavities nucleation process are analyzed. Moreover, the final steps of rupture are discussed with the help of the thermo-mechanical coupling mechanisms that are expected to operate at low temperatures.

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Periodical:

Materials Science Forum (Volume 482)

Pages:

287-290

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.482.287

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Online since:

April 2005

Authors:

S. Di Iorio, L. Briottet, Edgar F. Rauch, Didier Guichard

Keywords:

Cryogenic, Damage, Finite Element Model (FEM), TiAl

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© 2005 Trans Tech Publications Ltd. All Rights Reserved

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References

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