Influence of Zn and/or Ag additions on microstructure and properties of Al-Mg based alloys
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In: Journal of alloys and compounds, Vol. 904.2022, No. 25 May, 163998, 25.05.2022.
Research output: Contribution to journal › Article › Research › peer-review
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TY - JOUR
T1 - Influence of Zn and/or Ag additions on microstructure and properties of Al-Mg based alloys
AU - Guo, Cheng
AU - Zhang, Haitao
AU - LI, Jiehua
N1 - Publisher Copyright: © 2022 Elsevier B.V.
PY - 2022/5/25
Y1 - 2022/5/25
N2 - The influence of Zn and/or Ag additions on the microstructure and properties of Al-Mg based alloys has been investigated. In the as cast condition, β-Al 3Mg 2 was dominated in Al-5 wt% Mg alloy with the addition of 0.66 wt% Zn. However, a further addition of Zn up to 2.55 wt% promotes the formation of T-Mg 32(Al,Zn) 49 phase. With the addition of Ag, no new intermetallic phase was observed. However, Ag partitions into the T-Mg 32(Al,Zn) 49 phase and thereby the T-Mg 32(Al,Zn) 49 phase transforms to Ag-containing T phase (T-Mg 32(Al,Zn,Ag) 49 phase) during solidification. After ageing treatment, the addition of Zn can promote the precipitation kinetics and thereby improve the strength of Al-Mg based alloys. Similar to the addition of Zn, the addition of Ag also promotes the precipitation kinetics and improve the strength of Al-Mg based alloys. This investigation can provide guidance for the alloy design of Al-Mg based alloys.
AB - The influence of Zn and/or Ag additions on the microstructure and properties of Al-Mg based alloys has been investigated. In the as cast condition, β-Al 3Mg 2 was dominated in Al-5 wt% Mg alloy with the addition of 0.66 wt% Zn. However, a further addition of Zn up to 2.55 wt% promotes the formation of T-Mg 32(Al,Zn) 49 phase. With the addition of Ag, no new intermetallic phase was observed. However, Ag partitions into the T-Mg 32(Al,Zn) 49 phase and thereby the T-Mg 32(Al,Zn) 49 phase transforms to Ag-containing T phase (T-Mg 32(Al,Zn,Ag) 49 phase) during solidification. After ageing treatment, the addition of Zn can promote the precipitation kinetics and thereby improve the strength of Al-Mg based alloys. Similar to the addition of Zn, the addition of Ag also promotes the precipitation kinetics and improve the strength of Al-Mg based alloys. This investigation can provide guidance for the alloy design of Al-Mg based alloys.
UR - http://www.scopus.com/inward/record.url?scp=85123896951&partnerID=8YFLogxK
U2 - 10.1016/j.jallcom.2022.163998
DO - 10.1016/j.jallcom.2022.163998
M3 - Article
VL - 904.2022
JO - Journal of alloys and compounds
JF - Journal of alloys and compounds
SN - 0925-8388
IS - 25 May
M1 - 163998
ER -
