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Equal channel angular pressing of a two-phase alloy Mg-8Li-1AlII. Room temperature tensile properties of the alloy processed by ECAP
Liu, T; Zhang, W; Wu, SD; Jiang, CB; Li, SX; Xu, YB
Corresponding AuthorWu, SD()
2003-08-11
Source PublicationACTA METALLURGICA SINICA
ISSN0412-1961
Volume39Issue:8Pages:795-798
AbstractMeasurement of room temperature tensile properties of Mg-8Li-1Al (mass fraction, %) alloy processed by equal channel angular pressing (ECAP) shows that the strength and elongation increase simultaneously with increasing the passes of ECAP. To ECAP 1, 2, 3 and 4 passes, the corresponding yield stresses and elongations of the alloy are 169, 185, 196, 198MPa and 12%, 14%, 25%, 27% respectively. The analysis of the microstructures reveals that ECAP process could not only refine the alpha and beta phases, but also improve the homogeneity of alpha phase microstructure and increase the misorientations between grains in both phases. This kind of grain boundaries which are in non-equilibrium state and with relatively large misorientation might stimulate new deformation modes, such as grain boundary sliding or grain rotation during the room temperature tensile tests, as a result, the ductility of the alloy was improved.
Keywordmagnesium alloy equal channel angular pressing tensile property grain refinement
Indexed BySCI
Language英语
WOS Research AreaMetallurgy & Metallurgical Engineering
WOS SubjectMetallurgy & Metallurgical Engineering
WOS IDWOS:000185127600003
PublisherSCIENCE CHINA PRESS
Citation statistics
Cited Times:5[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/117477
Collection中国科学院金属研究所
Corresponding AuthorWu, SD
AffiliationChinese Acad Sci, Inst Met Res, Shenyang Natl Lab Mat Sci, Shenyang 110016, Peoples R China
Recommended Citation
GB/T 7714
Liu, T,Zhang, W,Wu, SD,et al. Equal channel angular pressing of a two-phase alloy Mg-8Li-1AlII. Room temperature tensile properties of the alloy processed by ECAP[J]. ACTA METALLURGICA SINICA,2003,39(8):795-798.
APA Liu, T,Zhang, W,Wu, SD,Jiang, CB,Li, SX,&Xu, YB.(2003).Equal channel angular pressing of a two-phase alloy Mg-8Li-1AlII. Room temperature tensile properties of the alloy processed by ECAP.ACTA METALLURGICA SINICA,39(8),795-798.
MLA Liu, T,et al."Equal channel angular pressing of a two-phase alloy Mg-8Li-1AlII. Room temperature tensile properties of the alloy processed by ECAP".ACTA METALLURGICA SINICA 39.8(2003):795-798.
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