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Effect of initial microstructure on superplastic deformation of AZ70 magnesium alloy WANG Pan(王 盼), WU Li-hong(吴立鸿), GUAN Shao-kang(关绍康) School of Materials Science and Engineering, Zhengzhou University, Zhengzhou 450002, China Received 23 September 2009; accepted 30 January 2010 Abstract: The mechanical properties and deformation mechanism of semi-continuously casting and as-extruded AZ70......
of Technology, Beijing 100081, China; 2. Beijing Key Laboratory of Automatic Control System, Beijing Institute of Technology, Beijing 100081, China) Abstract: In order to solve sequence constrained... such constrained problems. Key words: DE algorithm; sequence constrained problem; self-adapting parameter; mapping CLC number:TP391 ......
Evolution of dislocation cells during plastic deformation ZHOU Zhi-min(周志敏)1, SUN Yan-rui(孙艳蕊)1, ZHOU Hai-tao(周海涛)2 (1. College of Science, Northeastern University, Shenyang 110004, China; 2.... By using severe plastic deformation(SPD) techniques, materials with fine grain size as small as 200-250nm have been obtained. However, the nature of the grain boundaries has not been theoretically......
, 37(8):785-790. ZHOU Lan-zhang, GUO Jian-ting, V.Lupinc, M.Maldini. High-temperature mechanical behavior and deformation mechanism of ti-47al-2w-0.5si creep-resistant alloy [J]. Acta Metallurgica Sinica... A, 2014, 614: 338-346. [16]CHENG L, LI J S , XUE X Y, TANG B, KOU H C, BOUZY E. Superplastic deformation mechanisms of high Nb containing TiAl alloy with (α2+γ) microstructure[J]. Intermetallics, 2016......
and deformation mechanism of ti-47al-2w-0.5si creep-resistant alloy [J]. Acta Metallurgica Sinica, 2001, 37(8):785-790. [9] 林建国, 张永刚, 陈昌麒.γ-TiAl 合金的显微组织对其蠕变性能的影响[J]. 北京航空航天大学学报,1998(06):3-5. LIN Jianguo... of a high Nb-TiAl intermetallic compound based alloy[J]. Materials Science and Engineering A, 2014, 614: 338-346. [16]CHENG L, LI J S , XUE X Y, TANG B, KOU H C, BOUZY E. Superplastic deformation......
Effects of deformation temperature and rate on compressive deformation behaviour of Y112 die cast aluminum alloy in semi-solid state YANG Ming-bo(杨明波), HU Hong-jun(胡红军), TANG Li-wen(唐丽文), DAI Bing... deformation behaviour of Y112 die casting aluminum alloy with nondendritic structure obtained under the semi-solid isothermal treatment condition of 570 ℃ and 120 min, was investigated by means......
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Microscopic Evidence of Destroying the Order of Magnetic Sequence in CuO2 Chain by Zn, Ni, Co Doping in Sr14Cu24O41 CompoundWANG Jun1,2,3,ZOU Huamin1,2,LI Yang1,2,XIE Hui1,HU Ni1,WANG Lili1,SHI... susceptibility. It is found that the degree of initial phase disorder is related to the order degree of magnetic sequence in CuO 2 chain. For the un-doped sample, the decoupling of dimers is weak......
陷盆地；新生代；中国东部 中图分类号:P53 文献标志码:A 文章编号:1672-7207(2010)01-0277-09 Sequence architecture styles..., Wuhan 430074, China) Abstract: Two types of sequence stratigraphic frameworks of plough-shaped and steep dip, three typical sequence architectural styles of fault-break zones, bend slope-break......
; 文献标志码:A 文章编号:1672-7207(2016)06-1981-09 Cretaceous sequence stratigraphy and depositional system in Doseo Basin, Chad LIU Weifu (School of Geosciences, Northeast Petroleum University, Daqing 163318, China) Abstract: Combining the theory of sequence stratigraphy with the seismic and drilling data, the sequence boundary......
