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Martensite formation in titanium alloys: Crystallographic and compositional effects

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Martensite formation in titanium alloys: Crystallographic and compositional effects. / Bignon, M.; Bertrand, E.; Rivera-Díaz-del-Castillo, P.E.J. et al.
In: Journal of Alloys and Compounds, Vol. 872, 159636, 15.08.2021.

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Bignon M, Bertrand E, Rivera-Díaz-del-Castillo PEJ, Tancret F. Martensite formation in titanium alloys: Crystallographic and compositional effects. Journal of Alloys and Compounds. 2021 Aug 15;872:159636. Epub 2021 Mar 26. doi: 10.1016/j.jallcom.2021.159636

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@article{27dc23f03f8944b7a016515f5c692278,
title = "Martensite formation in titanium alloys: Crystallographic and compositional effects",
abstract = "An explanation is proposed to martensite inhibition beyond characteristic concentration thresholds in titanium binary alloys. The method combines the phenomenological theory of martensite crystallography (PTMC) and thermodynamic calculations (TCs) to describe the conditions under which martensite formation is favourable. It is shown that martensite can be crystallographically prevented while being thermodynamically favourable. The PTMC is implemented by taking into account the influence of composition. After a comprehensive comparison to experiments, two twinning systems and two glide systems are inferred to be able to produce the lattice invariant shear. The critical concentrations above which martensite cannot form are computed and compared to experimental results on binary and ternary systems, showing good agreement. The proposed method may be used as a guide to design titanium alloys for controlled martensitic behaviour. ",
keywords = "Martensite, Phenomenological theory of martensitic transformation, Superelasticity, Titanium, Transformation induced plasticity",
author = "M. Bignon and E. Bertrand and P.E.J. Rivera-D{\'i}az-del-Castillo and F. Tancret",
year = "2021",
month = aug,
day = "15",
doi = "10.1016/j.jallcom.2021.159636",
language = "English",
volume = "872",
journal = "Journal of Alloys and Compounds",
issn = "0925-8388",
publisher = "Elsevier BV",

}

RIS

TY - JOUR

T1 - Martensite formation in titanium alloys

T2 - Crystallographic and compositional effects

AU - Bignon, M.

AU - Bertrand, E.

AU - Rivera-Díaz-del-Castillo, P.E.J.

AU - Tancret, F.

PY - 2021/8/15

Y1 - 2021/8/15

N2 - An explanation is proposed to martensite inhibition beyond characteristic concentration thresholds in titanium binary alloys. The method combines the phenomenological theory of martensite crystallography (PTMC) and thermodynamic calculations (TCs) to describe the conditions under which martensite formation is favourable. It is shown that martensite can be crystallographically prevented while being thermodynamically favourable. The PTMC is implemented by taking into account the influence of composition. After a comprehensive comparison to experiments, two twinning systems and two glide systems are inferred to be able to produce the lattice invariant shear. The critical concentrations above which martensite cannot form are computed and compared to experimental results on binary and ternary systems, showing good agreement. The proposed method may be used as a guide to design titanium alloys for controlled martensitic behaviour.

AB - An explanation is proposed to martensite inhibition beyond characteristic concentration thresholds in titanium binary alloys. The method combines the phenomenological theory of martensite crystallography (PTMC) and thermodynamic calculations (TCs) to describe the conditions under which martensite formation is favourable. It is shown that martensite can be crystallographically prevented while being thermodynamically favourable. The PTMC is implemented by taking into account the influence of composition. After a comprehensive comparison to experiments, two twinning systems and two glide systems are inferred to be able to produce the lattice invariant shear. The critical concentrations above which martensite cannot form are computed and compared to experimental results on binary and ternary systems, showing good agreement. The proposed method may be used as a guide to design titanium alloys for controlled martensitic behaviour.

KW - Martensite

KW - Phenomenological theory of martensitic transformation

KW - Superelasticity

KW - Titanium

KW - Transformation induced plasticity

U2 - 10.1016/j.jallcom.2021.159636

DO - 10.1016/j.jallcom.2021.159636

M3 - Journal article

VL - 872

JO - Journal of Alloys and Compounds

JF - Journal of Alloys and Compounds

SN - 0925-8388

M1 - 159636

ER -