TY - JOUR
T1 - An unreported precipitate orientation relationship in Al-Zn-Mg based alloys
AU - Bendo, Artenis
AU - Matsuda, Kenji
AU - Lervik, Adrian
AU - Tsuru, Tomohito
AU - Nishimura, Katsuhiko
AU - Nunomura, Norio
AU - Holmestad, Randi
AU - Marioara, Calin D.
AU - Shimizu, Kazuyuki
AU - Toda, Hiroyuki
AU - Yamaguchi, Masatake
N1 - Funding Information:
The authors acknowledge JST (Japan Science and Technology Agency) under collaborative research based on industrial demand “Heterogeneous Structure Control”: Toward innovative development of metallic structural materials (Grant Number # 20100114 ), Light Metal Educational Foundation, President description, University of Toyama (2018-2019), INTPART the Research Council of Norway through the project ( 249698 ) and the NORTEM project ( 197405 ). The authors also thank to Dr. S. Lee and Dr. T. Tsuchiya for ingot castings and Dr. S. Murakami and Mr. T. Yoshida of Aisin Keikinzoku Co., Ltd. (Imizu, Toyama, Japan) for analysis of chemical composition of alloy ingots.
Funding Information:
The authors acknowledge JST (Japan Science and Technology Agency) under collaborative research based on industrial demand ?Heterogeneous Structure Control?: Toward innovative development of metallic structural materials (Grant Number #20100114), Light Metal Educational Foundation, President description, University of Toyama (2018-2019), INTPART the Research Council of Norway through the project (249698) and the NORTEM project (197405). The authors also thank to Dr. S. Lee and Dr. T. Tsuchiya for ingot castings and Dr. S. Murakami and Mr. T. Yoshida of Aisin Keikinzoku Co. Ltd. (Imizu, Toyama, Japan) for analysis of chemical composition of alloy ingots. The raw/processed data required to reproduce these findings cannot be shared at this time due to technical or time limitations.
Publisher Copyright:
© 2019 Elsevier Inc.
PY - 2019/12
Y1 - 2019/12
N2 - Characterization of precipitates in Al-Zn-Mg alloys, using a combination of electron diffraction, bright field transmission electron microscopy and atomic scale scanning transmission electron microscopy imaging revealed the presence of an unreported η13 orientation relationship between the η-MgZn2 phase and the Al lattice with the following orientation relationship (0001)η ∥ (120)Al and (21¯1¯0)η ∥ (001)Al, plate on (120)Al. The precipitate interfaces were observed and analyzed along two projections 90° to one-another. The precipitate coarsening was through the common thickening ledge mechanism. The ledges were significantly stepped along one lateral direction. An interface relaxation model using density functional theory was carried out to explain the precipitate behavior.
AB - Characterization of precipitates in Al-Zn-Mg alloys, using a combination of electron diffraction, bright field transmission electron microscopy and atomic scale scanning transmission electron microscopy imaging revealed the presence of an unreported η13 orientation relationship between the η-MgZn2 phase and the Al lattice with the following orientation relationship (0001)η ∥ (120)Al and (21¯1¯0)η ∥ (001)Al, plate on (120)Al. The precipitate interfaces were observed and analyzed along two projections 90° to one-another. The precipitate coarsening was through the common thickening ledge mechanism. The ledges were significantly stepped along one lateral direction. An interface relaxation model using density functional theory was carried out to explain the precipitate behavior.
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U2 - 10.1016/j.matchar.2019.109958
DO - 10.1016/j.matchar.2019.109958
M3 - Article
AN - SCOPUS:85074001680
SN - 1044-5803
VL - 158
JO - Materials Characterization
JF - Materials Characterization
M1 - 109958
ER -