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Effects of single-pass large-strain rolling on microstructure and mechanical properties of Mg-Al-Ca alloy sheet
Cheng, Renshan; Li, Man; Du, Sen; Pan, Hucheng; Liu, Yujie; Gao, Meiqi; Zhang, Xingshuo; Huang, Qiuyan; Yang, Changlin; Ma, Lifeng; Qin, Gaowu
2020-06-01
Source PublicationMATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING
Volume786
AbstractA new wrought magnesium alloy sheet, the Mg-1.8Al-1.8Ca wt.% alloy, with high strength and good ductility has been fabricated by the one-step extrusion and subsequent single-pass large-strain rolling process. The microstructure analysis shows that a large amount of un-dynamically recrystallized (un-DRXed) regions exist in the as-extruded alloy. After the large-strain rolling process, the grain size of the sheet is refined and the microstructure becomes more uniform, as compared with the as-extruded counterpart. The average grain size of Mg-1.8Al-1.8Ca alloy is refined from the similar to 2.42 mu m in the as-extruded state, to be similar to 1.68 mu m and similar to 1.42 mu m, after rolling at 350 degrees C and 300 degrees C, respectively. The wrought Mg-1.8Al-1.8Ca alloy sheet, which was rolled at 300 degrees C by one-pass thickness reduction of similar to 78%, exhibits the highest absolute strengths with yield strength of similar to 298 MPa and ultimate tensile strength of similar to 319 MPa, and the moderate elongation to failure of similar to 6% is also obtained.
DOI10.1016/j.msea.2020.139332
WOS IDWOS:000541737900003
Citation statistics
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/82807
Collection中国科学院金属研究所
Recommended Citation
GB/T 7714
Cheng, Renshan,Li, Man,Du, Sen,et al. Effects of single-pass large-strain rolling on microstructure and mechanical properties of Mg-Al-Ca alloy sheet[J]. MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING,2020,786.
APA Cheng, Renshan.,Li, Man.,Du, Sen.,Pan, Hucheng.,Liu, Yujie.,...&Qin, Gaowu.(2020).Effects of single-pass large-strain rolling on microstructure and mechanical properties of Mg-Al-Ca alloy sheet.MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING,786.
MLA Cheng, Renshan,et al."Effects of single-pass large-strain rolling on microstructure and mechanical properties of Mg-Al-Ca alloy sheet".MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING 786(2020).
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