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Age hardening responses of as-extruded Mg-2.5Sn-1.5Ca alloys with a wide range of Al concentration
Huang, Qiuyan; Liu, Yang; Zhang, Aiyue; Jiang, Haoxin; Pan, Hucheng; Feng, Xiaohui; Yang, Changlin; Luo, Tianjiao; Li, Yingju; Yang, Yuansheng
2020-02-01
Source PublicationJOURNAL OF MATERIALS SCIENCE & TECHNOLOGY
Volume38Pages:39-46
AbstractThis article aims to explore the age hardening responses of both as-extruded and as-aged Mg-2.5Sn-1.5Ca-xAl alloys (x= 2.0, 4.0 and 9.0 wt%, termed TXA322, TXA324 and TXA329, respectively) through microstructural and mechanical characterization. Results indicate that grain size of as-extruded TXA322, TXA324 and TXA329 alloys were similar to 16 mu m, similar to 10 mu m and similar to 12 mu m, respectively. A number of and dislocations were observed in all the as-extruded samples. Guinier - Preston (GP) zones were evidently identified in TXA322 alloy, while only a small number of Mg17Al12 phases existed in both TXA324 and TXA329 alloys. An aging treatment facilitated the precipitation of a high number density of GP zones within the matrix of TXA322 alloy. In contrast, no obvious nano-precipitates were in as-aged TXA324 alloy. Numerous nano-Mg17Al12 phases were formed through a following aging treatment in TXA329 alloy. In terms of mechanical properties, it is apparent that an increment in ultimate tensile strength of similar to 46 MPa and similar to 40 MPa was yielded in peak-aged TXA322 and TXA329 alloys, while no obvious variations in UTS were present in peak-aged TXA324 alloy, in comparison with the as-extruded counterparts. (C) 2019 Published by Elsevier Ltd on behalf of The editorial office of Journal of Materials Science & Technology.
DOI10.1016/j.jmst.2019.06.025
WOS IDWOS:000503164100005
Citation statistics
Cited Times:6[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/83146
Collection中国科学院金属研究所
Recommended Citation
GB/T 7714
Huang, Qiuyan,Liu, Yang,Zhang, Aiyue,et al. Age hardening responses of as-extruded Mg-2.5Sn-1.5Ca alloys with a wide range of Al concentration[J]. JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY,2020,38:39-46.
APA Huang, Qiuyan.,Liu, Yang.,Zhang, Aiyue.,Jiang, Haoxin.,Pan, Hucheng.,...&Yang, Yuansheng.(2020).Age hardening responses of as-extruded Mg-2.5Sn-1.5Ca alloys with a wide range of Al concentration.JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY,38,39-46.
MLA Huang, Qiuyan,et al."Age hardening responses of as-extruded Mg-2.5Sn-1.5Ca alloys with a wide range of Al concentration".JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY 38(2020):39-46.
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