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High-temperature deformation behaviour of Ti3Al-11Nb intermetallic

Authorized Users Only
2011
Authors
Tadić, Srđan
Jančić-Heinemann, Radmila
Čolić, Katarina
Sedmak, Aleksandar
Article (Published version)
Metadata
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Abstract
A mechanism of high-temperature plasticity has been studied in terms of stress exponent and activation energy for deformation. A Ti3Al-based intermetallic was processed by hot-rolling in the two-phase field to accomplish a fine-grained microstructure. Compression stress-strain tests were conducted in the temperature interval rangin from 900 to 1050 degrees C and strain rates between 6.9 . 10(-5) and 2.7 . 10(-2) s(-1). Results indicate that viscous-drag dislocation glide and grain boundary sliding are the main mechanisms of deformation. Activation energy for deformation suggests dependency on the solute content in the beta-phase.
Keywords:
Ti3Al intermetallic / Deformation / Stress exponent / Activation energy
Source:
International Journal of Materials Research, 2011, 102, 4, 452-456
Publisher:
  • Carl Hanser Verlag, Munich

DOI: 10.3139/146.110500

ISSN: 1862-5282

WoS: 000290282800013

Scopus: 2-s2.0-79955427852
[ Google Scholar ]
URI
http://TechnoRep.tmf.bg.ac.rs/handle/123456789/1961
Collections
  • Radovi istraživača / Researchers’ publications (TMF)
Institution/Community
Tehnološko-metalurški fakultet
TY  - JOUR
AU  - Tadić, Srđan
AU  - Jančić-Heinemann, Radmila
AU  - Čolić, Katarina
AU  - Sedmak, Aleksandar
PY  - 2011
UR  - http://TechnoRep.tmf.bg.ac.rs/handle/123456789/1961
AB  - A mechanism of high-temperature plasticity has been studied in terms of stress exponent and activation energy for deformation. A Ti3Al-based intermetallic was processed by hot-rolling in the two-phase field to accomplish a fine-grained microstructure. Compression stress-strain tests were conducted in the temperature interval rangin from 900 to 1050 degrees C and strain rates between 6.9 . 10(-5) and 2.7 . 10(-2) s(-1). Results indicate that viscous-drag dislocation glide and grain boundary sliding are the main mechanisms of deformation. Activation energy for deformation suggests dependency on the solute content in the beta-phase.
PB  - Carl Hanser Verlag, Munich
T2  - International Journal of Materials Research
T1  - High-temperature deformation behaviour of Ti3Al-11Nb intermetallic
EP  - 456
IS  - 4
SP  - 452
VL  - 102
DO  - 10.3139/146.110500
UR  - conv_3578
ER  - 
@article{
author = "Tadić, Srđan and Jančić-Heinemann, Radmila and Čolić, Katarina and Sedmak, Aleksandar",
year = "2011",
abstract = "A mechanism of high-temperature plasticity has been studied in terms of stress exponent and activation energy for deformation. A Ti3Al-based intermetallic was processed by hot-rolling in the two-phase field to accomplish a fine-grained microstructure. Compression stress-strain tests were conducted in the temperature interval rangin from 900 to 1050 degrees C and strain rates between 6.9 . 10(-5) and 2.7 . 10(-2) s(-1). Results indicate that viscous-drag dislocation glide and grain boundary sliding are the main mechanisms of deformation. Activation energy for deformation suggests dependency on the solute content in the beta-phase.",
publisher = "Carl Hanser Verlag, Munich",
journal = "International Journal of Materials Research",
title = "High-temperature deformation behaviour of Ti3Al-11Nb intermetallic",
pages = "456-452",
number = "4",
volume = "102",
doi = "10.3139/146.110500",
url = "conv_3578"
}
Tadić, S., Jančić-Heinemann, R., Čolić, K.,& Sedmak, A.. (2011). High-temperature deformation behaviour of Ti3Al-11Nb intermetallic. in International Journal of Materials Research
Carl Hanser Verlag, Munich., 102(4), 452-456.
https://doi.org/10.3139/146.110500
conv_3578
Tadić S, Jančić-Heinemann R, Čolić K, Sedmak A. High-temperature deformation behaviour of Ti3Al-11Nb intermetallic. in International Journal of Materials Research. 2011;102(4):452-456.
doi:10.3139/146.110500
conv_3578 .
Tadić, Srđan, Jančić-Heinemann, Radmila, Čolić, Katarina, Sedmak, Aleksandar, "High-temperature deformation behaviour of Ti3Al-11Nb intermetallic" in International Journal of Materials Research, 102, no. 4 (2011):452-456,
https://doi.org/10.3139/146.110500 .,
conv_3578 .

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