Microstructure evolution of ti-5al-5v-5mo-3cr after hot deformation at large and moderate strains

María Cecilia Poletti, Ricardo Buzolin, Sanjev Kumar, Peng Wang, Thierry Franz Jules Simonet-Fotso

Publikation: Beitrag in Buch/Bericht/KonferenzbandBeitrag in einem KonferenzbandForschungBegutachtung

Abstract

This work deals with the analysis and modelling of the microstructural evolution of the metastable titanium alloy Ti-5Al-5V-5Mo-3Cr during hot deformation up to moderate and large strains. Experimental flow curves and deformed samples are obtained by hot compression and hot torsion tests using a Gleeble ® 3800 device. The samples are deformed above and below the beta transus temperature and in a wide range of strain rates. Microstructures are characterized after deformation and in-situ water quenching using light optical and scanning electron microscopy and electron back scattered diffraction (EBSD). Dynamic recovery of the beta phase is found to be the main deformation mechanism up to moderated strains. By increasing the strain, continuous dynamic recrystallization (cDRX) is confirmed by the progressive conversion of low angle boundaries into high-angle boundaries. Alpha phase plays a secondary role in the deformation of the material by pinning the movement of beta high angle grain boundaries (HAGB). The evolution of the microstructure is modelled using dislocation density as internal variable in the single β field.

Originalspracheenglisch
TitelTHERMEC 2018
Redakteure/-innenR. Shabadi, Tara Chandra, M. Jeandin, Mihail Ionescu, C. Richard
Herausgeber (Verlag)Trans Tech Publications Ltd.
Seiten1443-1449
Seitenumfang7
ISBN (Print)9783035712087
DOIs
PublikationsstatusVeröffentlicht - 1 Jan 2018
Veranstaltung10th International Conference on Processing and Manufacturing of Advanced Materials, 2018 - Paris, Frankreich
Dauer: 9 Jul 201813 Jul 2018

Publikationsreihe

NameMaterials Science Forum
Band941 MSF
ISSN (Print)0255-5476

Konferenz

Konferenz10th International Conference on Processing and Manufacturing of Advanced Materials, 2018
LandFrankreich
OrtParis
Zeitraum9/07/1813/07/18

Fingerprint

Hot working
microstructure
Microstructure
Dynamic recrystallization
Microstructural evolution
Hot pressing
Titanium alloys
Torsional stress
Strain rate
Quenching
titanium alloys
Grain boundaries
Diffraction
strain rate
torsion
Recovery
Scanning electron microscopy
grain boundaries
Electrons
Water

Schlagwörter

    ASJC Scopus subject areas

    • !!Materials Science(all)
    • !!Condensed Matter Physics
    • !!Mechanics of Materials
    • !!Mechanical Engineering

    Fields of Expertise

    • Advanced Materials Science

    Dies zitieren

    Poletti, M. C., Buzolin, R., Kumar, S., Wang, P., & Simonet-Fotso, T. F. J. (2018). Microstructure evolution of ti-5al-5v-5mo-3cr after hot deformation at large and moderate strains. in R. Shabadi, T. Chandra, M. Jeandin, M. Ionescu, & C. Richard (Hrsg.), THERMEC 2018 (S. 1443-1449). (Materials Science Forum; Band 941 MSF). Trans Tech Publications Ltd.. https://doi.org/10.4028/www.scientific.net/MSF.941.1443

    Microstructure evolution of ti-5al-5v-5mo-3cr after hot deformation at large and moderate strains. / Poletti, María Cecilia; Buzolin, Ricardo; Kumar, Sanjev; Wang, Peng; Simonet-Fotso, Thierry Franz Jules.

    THERMEC 2018. Hrsg. / R. Shabadi; Tara Chandra; M. Jeandin; Mihail Ionescu; C. Richard. Trans Tech Publications Ltd., 2018. S. 1443-1449 (Materials Science Forum; Band 941 MSF).

    Publikation: Beitrag in Buch/Bericht/KonferenzbandBeitrag in einem KonferenzbandForschungBegutachtung

    Poletti, MC, Buzolin, R, Kumar, S, Wang, P & Simonet-Fotso, TFJ 2018, Microstructure evolution of ti-5al-5v-5mo-3cr after hot deformation at large and moderate strains. in R Shabadi, T Chandra, M Jeandin, M Ionescu & C Richard (Hrsg.), THERMEC 2018. Materials Science Forum, Bd. 941 MSF, Trans Tech Publications Ltd., S. 1443-1449, Paris, Frankreich, 9/07/18. https://doi.org/10.4028/www.scientific.net/MSF.941.1443
    Poletti MC, Buzolin R, Kumar S, Wang P, Simonet-Fotso TFJ. Microstructure evolution of ti-5al-5v-5mo-3cr after hot deformation at large and moderate strains. in Shabadi R, Chandra T, Jeandin M, Ionescu M, Richard C, Hrsg., THERMEC 2018. Trans Tech Publications Ltd. 2018. S. 1443-1449. (Materials Science Forum). https://doi.org/10.4028/www.scientific.net/MSF.941.1443
    Poletti, María Cecilia ; Buzolin, Ricardo ; Kumar, Sanjev ; Wang, Peng ; Simonet-Fotso, Thierry Franz Jules. / Microstructure evolution of ti-5al-5v-5mo-3cr after hot deformation at large and moderate strains. THERMEC 2018. Hrsg. / R. Shabadi ; Tara Chandra ; M. Jeandin ; Mihail Ionescu ; C. Richard. Trans Tech Publications Ltd., 2018. S. 1443-1449 (Materials Science Forum).
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