A TEM study of a dislocations in the ßo phase of an intermetallic TNM-TiAl alloy

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A TEM study of a dislocations in the ßo phase of an intermetallic TNM-TiAl alloy. / Molénat, Guy; Monchoux, Jean-Philippe; Musi, Michael et al.
In: Scripta materialia, Vol. 226.2023, No. 15 March, 115247, 15.03.2023.

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Molénat G, Monchoux JP, Musi M, Spörk-Erdely P, Clemens H, Couret A. A TEM study of a dislocations in the ßo phase of an intermetallic TNM-TiAl alloy. Scripta materialia. 2023 Mar 15;226.2023(15 March):115247. Epub 2022 Dec 21. doi: 10.1016/j.scriptamat.2022.115247

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Molénat, Guy ; Monchoux, Jean-Philippe ; Musi, Michael et al. / A TEM study of a dislocations in the ßo phase of an intermetallic TNM-TiAl alloy. In: Scripta materialia. 2023 ; Vol. 226.2023, No. 15 March.

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@article{f2d36b3121814b87a5270463d1b8ada2,
title = "A TEM study of a dislocations in the {\ss}o phase of an intermetallic TNM-TiAl alloy",
abstract = "The structure and mobility of a<001> dislocations in the β o phase of an intermetallic TNM-TiAl alloy produced by Spark Plasma Sintering were investigated by transmission electron microscopy. We find that these dislocations are dissociated into two identical superpartial dislocations separated by a stacking fault. Furthermore, a<001> dislocations are elongated along their screw orientation and anchored at small pining points assumed to be nano-sized precipitates of the ω o phase. In situ room temperature straining experiments show that dislocation propagation occurs through jumps between these elongated configurations.",
author = "Guy Mol{\'e}nat and Jean-Philippe Monchoux and Michael Musi and Petra Sp{\"o}rk-Erdely and Helmut Clemens and Alain Couret",
note = "Publisher Copyright: {\textcopyright} 2022",
year = "2023",
month = mar,
day = "15",
doi = "10.1016/j.scriptamat.2022.115247",
language = "English",
volume = "226.2023",
journal = "Scripta materialia",
issn = "1359-6462",
publisher = "Elsevier",
number = "15 March",

}

RIS (suitable for import to EndNote) - Download

TY - JOUR

T1 - A TEM study of a dislocations in the ßo phase of an intermetallic TNM-TiAl alloy

AU - Molénat, Guy

AU - Monchoux, Jean-Philippe

AU - Musi, Michael

AU - Spörk-Erdely, Petra

AU - Clemens, Helmut

AU - Couret, Alain

N1 - Publisher Copyright: © 2022

PY - 2023/3/15

Y1 - 2023/3/15

N2 - The structure and mobility of a<001> dislocations in the β o phase of an intermetallic TNM-TiAl alloy produced by Spark Plasma Sintering were investigated by transmission electron microscopy. We find that these dislocations are dissociated into two identical superpartial dislocations separated by a stacking fault. Furthermore, a<001> dislocations are elongated along their screw orientation and anchored at small pining points assumed to be nano-sized precipitates of the ω o phase. In situ room temperature straining experiments show that dislocation propagation occurs through jumps between these elongated configurations.

AB - The structure and mobility of a<001> dislocations in the β o phase of an intermetallic TNM-TiAl alloy produced by Spark Plasma Sintering were investigated by transmission electron microscopy. We find that these dislocations are dissociated into two identical superpartial dislocations separated by a stacking fault. Furthermore, a<001> dislocations are elongated along their screw orientation and anchored at small pining points assumed to be nano-sized precipitates of the ω o phase. In situ room temperature straining experiments show that dislocation propagation occurs through jumps between these elongated configurations.

UR - http://www.scopus.com/inward/record.url?scp=85145571431&partnerID=8YFLogxK

U2 - 10.1016/j.scriptamat.2022.115247

DO - 10.1016/j.scriptamat.2022.115247

M3 - Article

VL - 226.2023

JO - Scripta materialia

JF - Scripta materialia

SN - 1359-6462

IS - 15 March

M1 - 115247

ER -