2007
DOI: 10.1007/s11837-007-0011-x
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Microstructural formation in Ti alloys: In-situ characterization of phase transformation kinetics

Abstract: Overview Processing and Characterizing Titanium AlloysThe prediction of microstructure during processing needs to characterize the phase transformation occurring during the thermal treatments and their kinetics. In-situ high-energy synchrotron x-ray diffraction experiments performed during temperature variations allow the characterization of the phase evolution. For some transformation conditions, the continuous recording of diffraction diagrams evidences clearly intermediate phases. The quantitative analysis … Show more

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Cited by 50 publications
(36 citation statements)
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“…On cooling the behavior is symmetrical. These behaviors for α and β phases are similar to the ones obtained for titanium alloys [13,14]. The thermal expansion coefficient of each phase was estimated in the linear part of the evolution.…”
Section: Titanium Matrix Compositesupporting
confidence: 75%
“…On cooling the behavior is symmetrical. These behaviors for α and β phases are similar to the ones obtained for titanium alloys [13,14]. The thermal expansion coefficient of each phase was estimated in the linear part of the evolution.…”
Section: Titanium Matrix Compositesupporting
confidence: 75%
“…phases, being easily controlled by thermodynamic processing techniques; heat-treatments and stressing. 1) High strength -type titanium alloys with a considerable ductility have been achieved by means of homogeneous dispersion of high density and nano-size precipitates. 2,3) The dominant controlling factors are considered to be the size and density of the precipitates.…”
Section: Introductionmentioning
confidence: 99%
“…É importante destacar que nos mais diversos trabalhos sobre mudanças microestruturais, a cinética das transformações de fase é geralmente caracterizada por meio de diferentes técnicas convencionais, tais como dilatometria, calorimetria exploratória diferencial (DSC), resistividade elétrica e difração de raio-x convencional [27][28][29].…”
Section: Em Parceria Com O German Aerospace Center (Dlr) E a Vienna Uunclassified
“…Porém, novas descobertas podem ser obtidas nos dias de hoje devido ao avanço no desenvolvimento dos métodos de caracterização de materiais. Isto inclui técnicas que permitem observar a evolução da microestrutura in situ, como, por exemplo, experimentos de difração de raio-x de alta energia advindo de luz síncrotron (do inglês High Energy X-Ray Diffraction -HEXRD) [8,[27][28][29]. A técnica de difração de raio-x de alta energia permite acompanhar em tempo real a evolução das transformações de fase durante o processamento termo-mecânico do material usando curtos tempos (≤ 1 s) de aquisição de dados.…”
Section: Em Parceria Com O German Aerospace Center (Dlr) E a Vienna Uunclassified
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