In-situ synchrotron investigation of the phasesand their morphology-development in Mg-Nd-Zn alloys

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In-situ synchrotron investigation of the phasesand their morphology-development in Mg-Nd-Zn alloys. / Tolnai, D.; Sosro, T.; Gavras, S. et al.
in: International Journal of Materials Research, Jahrgang 111, Nr. 1, 01.2020, S. 4-10.

Publikation: Beiträge in ZeitschriftenZeitschriftenaufsätzeForschungbegutachtet

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@article{76a6f337e5034c419fbdcb21d6cc6c2f,
title = "In-situ synchrotron investigation of the phasesand their morphology-development in Mg-Nd-Zn alloys",
abstract = "The addition of Zn to the Mg-Nd system improves the yield strength and creep resistance, however its influence on the intermetallic phases in the ternary system is not yet fully understood. Understanding the sequence of phase-formation and phase-evolution during solidification and processing is essential to microstructure design. The solidification was investigated with in-situ synchrotron radiation-diffraction and tomography during cooling from the molten state to 200°C to investigate the phase-formation and transformation characteristics. The solidification starts with α-Mg followed by two distinct intermetallic phases T2 and T3. The results suggest that Zn stabilizes the Mg3Nd phase and accelerates precipitate formation. The dendritic morphology changes during solidification towards coarser shapes, thus impedes feeding and promotes hot tearing.",
keywords = "In situ, MgNdZn alloys, Solidification, Synchrotron diffraction, Synchrotron tomography, Engineering",
author = "D. Tolnai and T. Sosro and S. Gavras and Buzolin, {R. H.} and Norbert Hort",
year = "2020",
month = jan,
doi = "10.3139/146.111835",
language = "English",
volume = "111",
pages = "4--10",
journal = "International Journal of Materials Research",
issn = "1862-5282",
publisher = "Walter de Gruyter GmbH",
number = "1",

}

RIS

TY - JOUR

T1 - In-situ synchrotron investigation of the phasesand their morphology-development in Mg-Nd-Zn alloys

AU - Tolnai, D.

AU - Sosro, T.

AU - Gavras, S.

AU - Buzolin, R. H.

AU - Hort, Norbert

PY - 2020/1

Y1 - 2020/1

N2 - The addition of Zn to the Mg-Nd system improves the yield strength and creep resistance, however its influence on the intermetallic phases in the ternary system is not yet fully understood. Understanding the sequence of phase-formation and phase-evolution during solidification and processing is essential to microstructure design. The solidification was investigated with in-situ synchrotron radiation-diffraction and tomography during cooling from the molten state to 200°C to investigate the phase-formation and transformation characteristics. The solidification starts with α-Mg followed by two distinct intermetallic phases T2 and T3. The results suggest that Zn stabilizes the Mg3Nd phase and accelerates precipitate formation. The dendritic morphology changes during solidification towards coarser shapes, thus impedes feeding and promotes hot tearing.

AB - The addition of Zn to the Mg-Nd system improves the yield strength and creep resistance, however its influence on the intermetallic phases in the ternary system is not yet fully understood. Understanding the sequence of phase-formation and phase-evolution during solidification and processing is essential to microstructure design. The solidification was investigated with in-situ synchrotron radiation-diffraction and tomography during cooling from the molten state to 200°C to investigate the phase-formation and transformation characteristics. The solidification starts with α-Mg followed by two distinct intermetallic phases T2 and T3. The results suggest that Zn stabilizes the Mg3Nd phase and accelerates precipitate formation. The dendritic morphology changes during solidification towards coarser shapes, thus impedes feeding and promotes hot tearing.

KW - In situ

KW - MgNdZn alloys

KW - Solidification

KW - Synchrotron diffraction

KW - Synchrotron tomography

KW - Engineering

UR - http://www.scopus.com/inward/record.url?scp=85082240090&partnerID=8YFLogxK

U2 - 10.3139/146.111835

DO - 10.3139/146.111835

M3 - Journal articles

AN - SCOPUS:85082240090

VL - 111

SP - 4

EP - 10

JO - International Journal of Materials Research

JF - International Journal of Materials Research

SN - 1862-5282

IS - 1

ER -

DOI

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