Thermal Expansion of a Multiphase Intermetallic Ti-Al-Nb-Mo Alloy Studied by High-Energy X-ray Diffraction

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Thermal Expansion of a Multiphase Intermetallic Ti-Al-Nb-Mo Alloy Studied by High-Energy X-ray Diffraction. / Staron, Peter; Stark, Andreas; Schell, Norbert; Spörk-Erdely, Petra; Clemens, Helmut.

in: Materials, Jahrgang 14.2021, Nr. 4, 727, 04.02.2021, S. 1-13.

Publikationen: Beitrag in FachzeitschriftArtikelForschung(peer-reviewed)

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@article{9868f08bc4f94df6ae29179af62f0d6e,
title = "Thermal Expansion of a Multiphase Intermetallic Ti-Al-Nb-Mo Alloy Studied by High-Energy X-ray Diffraction",
abstract = "Intermetallic γ-TiAl-based alloys are lightweight materials for high-temperature applica-tions, e.g., in the aerospace and automotive industries. They can replace much heavier Ni-based alloys at operating temperatures up to 750 ◦C. Advanced variants of this alloy class enable processing routes that include hot forming. These alloys consist of three relevant crystallographic phases (γ-TiAl, α 2-Ti 3Al, β o-TiAl) that transform into each other at different temperatures. For thermo-mechanical treatments as well as for adjusting alloy properties required under service conditions, the knowledge of the thermal expansion behavior of these phases is important. Therefore, thermal expansion co-efficients were determined for the relevant phases in a Ti-Al-Nb-Mo alloy for temperatures up to 1100 ◦C using high-energy X-ray diffraction. ",
author = "Peter Staron and Andreas Stark and Norbert Schell and Petra Sp{\"o}rk-Erdely and Helmut Clemens",
year = "2021",
month = feb,
day = "4",
doi = "10.3390/ma14040727",
language = "English",
volume = "14.2021",
pages = "1--13",
journal = "Materials",
issn = "1996-1944",
publisher = "Multidisciplinary Digital Publishing Institute (MDPI)",
number = "4",

}

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TY - JOUR

T1 - Thermal Expansion of a Multiphase Intermetallic Ti-Al-Nb-Mo Alloy Studied by High-Energy X-ray Diffraction

AU - Staron, Peter

AU - Stark, Andreas

AU - Schell, Norbert

AU - Spörk-Erdely, Petra

AU - Clemens, Helmut

PY - 2021/2/4

Y1 - 2021/2/4

N2 - Intermetallic γ-TiAl-based alloys are lightweight materials for high-temperature applica-tions, e.g., in the aerospace and automotive industries. They can replace much heavier Ni-based alloys at operating temperatures up to 750 ◦C. Advanced variants of this alloy class enable processing routes that include hot forming. These alloys consist of three relevant crystallographic phases (γ-TiAl, α 2-Ti 3Al, β o-TiAl) that transform into each other at different temperatures. For thermo-mechanical treatments as well as for adjusting alloy properties required under service conditions, the knowledge of the thermal expansion behavior of these phases is important. Therefore, thermal expansion co-efficients were determined for the relevant phases in a Ti-Al-Nb-Mo alloy for temperatures up to 1100 ◦C using high-energy X-ray diffraction.

AB - Intermetallic γ-TiAl-based alloys are lightweight materials for high-temperature applica-tions, e.g., in the aerospace and automotive industries. They can replace much heavier Ni-based alloys at operating temperatures up to 750 ◦C. Advanced variants of this alloy class enable processing routes that include hot forming. These alloys consist of three relevant crystallographic phases (γ-TiAl, α 2-Ti 3Al, β o-TiAl) that transform into each other at different temperatures. For thermo-mechanical treatments as well as for adjusting alloy properties required under service conditions, the knowledge of the thermal expansion behavior of these phases is important. Therefore, thermal expansion co-efficients were determined for the relevant phases in a Ti-Al-Nb-Mo alloy for temperatures up to 1100 ◦C using high-energy X-ray diffraction.

UR - http://www.scopus.com/inward/record.url?scp=85100751519&partnerID=8YFLogxK

U2 - 10.3390/ma14040727

DO - 10.3390/ma14040727

M3 - Article

VL - 14.2021

SP - 1

EP - 13

JO - Materials

JF - Materials

SN - 1996-1944

IS - 4

M1 - 727

ER -