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Article Dans Une Revue Materials Science and Engineering: A Année : 2021

On the transformation pathways in TRIP/TWIP Ti–12Mo alloy

Résumé

Diverse pathways of the deformation-induced transformations are investigated in the βmetastable Ti-12Mo alloy displaying combined TWIP ({332}<113>β twinning) and TRIP (stress-induced α″) effects by means of Schmid factor analysis and in-situ microstructural characterizations. Two sets of Schmid factors, for {332}<113>β twinning and stress-induced martensite, are calculated in grains of random orientation under uniaxial tension condition. Using in-situ EBSD characterization under tension, the correspondence is mapped between primary transformation products and the grain orientations. The correspondence results graphically in four grain-orientation domains in the inversed pole figure triangle, being twin-dominated, martensite-dominated, combination of both, and the domain unfavorable for both transformations. It is also
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Dates et versions

hal-03436412 , version 1 (19-11-2021)

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Bingnan Qian, Lola Lilensten, Jinyong Zhang, Min Yang, Fan Sun, et al.. On the transformation pathways in TRIP/TWIP Ti–12Mo alloy. Materials Science and Engineering: A, 2021, 822, pp.141672. ⟨10.1016/j.msea.2021.141672⟩. ⟨hal-03436412⟩
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