期刊
MATERIALS & DESIGN
卷 57, 期 -, 页码 245-249出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.matdes.2013.12.057
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资金
- Heilongjian Province Youth Skeleton Program [1252G018]
- Research Fund for the Doctoral Program of Higher Education [20132304110006]
- Project of Science and Technology of Heilongjian Province Education Department [12511068]
- Harbin City Innovative Talents Research Special Program [2012RFXXG094]
- Fundamental Research funds for the Central Universities [HEUCF201310005]
- Heilongjiang Postdoctoral Funds
Y and Nd are simultaneously added into Mg-5Li-3Al-2Zn alloy. It is found that there exist the phases of alpha-Mg, AlLi, Al11Nd3 and Al2Y in the alloys. When the contents of Y and Nd are 1.2% and 0.8%, respectively, the grain is the finest with an average size of 30 mu m, and the tensile strength of the alloy reaches 231 MPa, the elongation reaches 16%. When the ratio of Y to Nd is 1.2:0.8, there is a synergistic strengthening effect. (C) 2014 Elsevier Ltd. All rights reserved.
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