Microstructure evolution induced by the intrinsic heat treatment occurring during wire-arc additive manufacturing of an Al-Mg-Zn-Cu crossover alloy
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in: Materials letters, Jahrgang 303.2021, Nr. 15 November, 130500, 15.11.2021.
Publikationen: Beitrag in Fachzeitschrift › Artikel › Forschung › (peer-reviewed)
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TY - JOUR
T1 - Microstructure evolution induced by the intrinsic heat treatment occurring during wire-arc additive manufacturing of an Al-Mg-Zn-Cu crossover alloy
AU - Klein, Thomas
AU - Graf, Gloria
AU - Staron, Peter
AU - Stark, Andreas
AU - Clemens, Helmut
AU - Spörk-Erdely, Petra
N1 - Publisher Copyright: © 2021 Elsevier B.V.
PY - 2021/11/15
Y1 - 2021/11/15
N2 - The implementation of wire-arc additive manufacturing for fabricating complex structures requires detailed knowledge of process-structure-property relationships. Results of scanning electron microscopy, wide-angle X-ray scattering, small-angle X-ray scattering, and microhardness measurements are presented to identify the mechanisms that govern the microstructure formation of an Al-Mg-Zn-Cu crossover alloy during wire-arc additive manufacturing. These analyses provide evidence on the formation of Mg-, Zn- and Cu-rich phases on different length scales spanning from ~10 µm (microsegregations), down to a few nm (bulk) following the intrinsic heat treatment. Future alloy concepts should build on the presented findings.
AB - The implementation of wire-arc additive manufacturing for fabricating complex structures requires detailed knowledge of process-structure-property relationships. Results of scanning electron microscopy, wide-angle X-ray scattering, small-angle X-ray scattering, and microhardness measurements are presented to identify the mechanisms that govern the microstructure formation of an Al-Mg-Zn-Cu crossover alloy during wire-arc additive manufacturing. These analyses provide evidence on the formation of Mg-, Zn- and Cu-rich phases on different length scales spanning from ~10 µm (microsegregations), down to a few nm (bulk) following the intrinsic heat treatment. Future alloy concepts should build on the presented findings.
UR - http://www.scopus.com/inward/record.url?scp=85110684744&partnerID=8YFLogxK
U2 - 10.1016/j.matlet.2021.130500
DO - 10.1016/j.matlet.2021.130500
M3 - Article
VL - 303.2021
JO - Materials letters
JF - Materials letters
SN - 0167-577X
IS - 15 November
M1 - 130500
ER -
