A novel strategy to strengthen the hexagonal close-packed (HCP) alloys
A novel strategy to strengthen the hexagonal close-packed (HCP) alloys
This work proposes a novel strengthening strategy for HCP alloy by fully utilizing the strengthening roles from texture and dual-precipitates in both basal and prismatic planes. The binary Mg-7Al (at%) alloy fabricated by such a strategy exhibits a superior combination of strength and strain hardening rate in major plastic strain ranges. Unlike conventionally fixed distribution of precipitate on given lattice plane, both basal and prismatic Mg
17Al
12 precipitates are firstly engineered to co-exist and reinforce Mg alloy. Additionally, this work reports the presence of a new precipitate morphology with a hammer-like geometric configuration for the first time to date. Further application and extension of this novel strengthening strategy to other HCP alloys, like Ti, Zr, are also discussed.
Hexagonal close-packed (HCP), Mg-Al alloy, Precipitate, Twin
Yang, Biaobiao
682129b9-d865-4c9d-9934-2ac17e3bab4e
Shi, Chenying
f4d8979b-9a64-4cd3-b4f0-a22f63564902
Ye, Xianjue
a1711ff8-12b9-4007-8c73-08a69a506970
Teng, Jianwei
e29fbdc4-5b9e-4b6b-b721-90d2a9abe625
Lai, Ruilin
4962bb09-8840-48bd-a833-cba5ec4ad452
Cui, Yujie
b94d5b0d-1544-4fc1-bc74-b0d0d19587b7
Shi, Dongfeng
ab317578-0d7c-4607-bc5c-75ce64fbed5a
Guan, Dikai
d20c4acc-342a-43fa-a204-7283f0cc33bf
Xie, Guoqiang
76e68263-08e6-4f1d-a036-eee804962578
Li, Yunping
ba1e443c-b838-4214-a6b8-ebace0733b61
Chiba, Akihiko
40918402-5e0c-42dd-bc57-54da08c41e87
10 February 2022
Yang, Biaobiao
682129b9-d865-4c9d-9934-2ac17e3bab4e
Shi, Chenying
f4d8979b-9a64-4cd3-b4f0-a22f63564902
Ye, Xianjue
a1711ff8-12b9-4007-8c73-08a69a506970
Teng, Jianwei
e29fbdc4-5b9e-4b6b-b721-90d2a9abe625
Lai, Ruilin
4962bb09-8840-48bd-a833-cba5ec4ad452
Cui, Yujie
b94d5b0d-1544-4fc1-bc74-b0d0d19587b7
Shi, Dongfeng
ab317578-0d7c-4607-bc5c-75ce64fbed5a
Guan, Dikai
d20c4acc-342a-43fa-a204-7283f0cc33bf
Xie, Guoqiang
76e68263-08e6-4f1d-a036-eee804962578
Li, Yunping
ba1e443c-b838-4214-a6b8-ebace0733b61
Chiba, Akihiko
40918402-5e0c-42dd-bc57-54da08c41e87
Yang, Biaobiao, Shi, Chenying, Ye, Xianjue, Teng, Jianwei, Lai, Ruilin, Cui, Yujie, Shi, Dongfeng, Guan, Dikai, Xie, Guoqiang, Li, Yunping and Chiba, Akihiko
(2022)
A novel strategy to strengthen the hexagonal close-packed (HCP) alloys.
Journal of Alloys and Compounds, 893, [162346].
(doi:10.1016/j.jallcom.2021.162346).
Abstract
This work proposes a novel strengthening strategy for HCP alloy by fully utilizing the strengthening roles from texture and dual-precipitates in both basal and prismatic planes. The binary Mg-7Al (at%) alloy fabricated by such a strategy exhibits a superior combination of strength and strain hardening rate in major plastic strain ranges. Unlike conventionally fixed distribution of precipitate on given lattice plane, both basal and prismatic Mg
17Al
12 precipitates are firstly engineered to co-exist and reinforce Mg alloy. Additionally, this work reports the presence of a new precipitate morphology with a hammer-like geometric configuration for the first time to date. Further application and extension of this novel strengthening strategy to other HCP alloys, like Ti, Zr, are also discussed.
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More information
Accepted/In Press date: 12 October 2021
e-pub ahead of print date: 15 October 2021
Published date: 10 February 2022
Additional Information:
Funding Information:
This investigation is supported by the grant from the Natural Science Foundation of China (51871244), the Hunan Provincial Innovation Foundation for Postgraduate, China (CX20200172), and the Fundamental Research Funds for the Central Universities of Central South University, China (1053320190103). Dr. Dikai Guan would like to thank the MRC for his UKRI Future Leaders Fellowship, MR/T019123/1.
Funding Information:
This investigation is supported by the grant from the Natural Science Foundation of China ( 51871244 ), the Hunan Provincial Innovation Foundation for Postgraduate , China ( CX20200172 ), and the Fundamental Research Funds for the Central Universities of Central South University , China ( 1053320190103 ). Dr. Dikai Guan would like to thank the MRC for his UKRI Future Leaders Fellowship, MR/T019123/1.
Publisher Copyright:
© 2021 Elsevier B.V.
Keywords:
Hexagonal close-packed (HCP), Mg-Al alloy, Precipitate, Twin
Identifiers
Local EPrints ID: 474192
URI: http://eprints.soton.ac.uk/id/eprint/474192
ISSN: 0925-8388
PURE UUID: f36f3ad6-2ac3-4f5e-89a3-0eee185ff5d1
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Date deposited: 15 Feb 2023 17:33
Last modified: 17 Mar 2024 04:17
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Contributors
Author:
Biaobiao Yang
Author:
Chenying Shi
Author:
Xianjue Ye
Author:
Jianwei Teng
Author:
Ruilin Lai
Author:
Yujie Cui
Author:
Dongfeng Shi
Author:
Dikai Guan
Author:
Guoqiang Xie
Author:
Yunping Li
Author:
Akihiko Chiba
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