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Hot deformation mechanism and microstructure evolution of TC11 titanium alloy in b field CHEN Hui-qin(陈慧琴)1, 2, CAO Chun-xiao(曹春晓)1, GUO Ling(郭 灵)1, LIN Hai(林 海)1 1. Beijing Institute... boundaries; and the other is that of new fine grains along elongated prior b grain boundaries. Key words: TC11 titanium alloy; hot deformation; microstructure evolution  ......
Microstructure evolution during reheating of extruded Mg-Gd-Y-Zr alloy into semisolid state GAO Lei(高 磊)1, 2, LIANG Song-mao(梁松茂)1, CHEN Rong-shi(陈荣石)1, HAN En-hou(韩恩厚)1 1. State Key Laboratory... May 2010; accepted 25 June 2010 Abstract: The microstructure evolution of an extruded Mg-8.57Gd-3.72Y-0.54Zr (mass fraction, %, GW94) alloy during reheating into the semisolid state was investigated......
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Nonclassical constitutive model involving void evolution of casting magnesium alloy CHEN Bin(陈斌), PENG Xiang-he(彭向和), FAN Jing-hong(范镜泓), SUN Shi-tao(孙士涛) College of Resource and Environment...> Abstract: The void evolution equation and the elastoplastic constitutive model of casting magnesium alloy were investigated. The void evolution equation consists of the void growth and the void......
Chemical process dynamic optimization based on hybrid differential evolution algorithm integrated with AlopexFAN Qin-qin(范勤勤), LÜ Zhao-min(吕照民), YAN Xue-feng(颜学峰), GUO Mei-jin(郭美锦)(Key... problem of chemical process (CPDOP), a hybrid differential evolution algorithm, which is integrated with Alopex and named as Alopex-DE, was proposed. In Alopex-DE, each original individual has its......
Electrocatalytic properties of Ni-S-Co coating electrode for hydrogen evolution in alkaline medium YUAN Tie-chui(袁铁锤), LI Rui-di(李瑞迪), ZHOU Ke-chao(周科朝) State Key Laboratory of Powder Metallurgy... that the coating has amorphous structure and the particles of the surface are fine with large specific surface area. The Ni-S-Co alloy is more active with lower potential for hydrogen evolution, higher......
J. Cent. South Univ. Technol. (2008) 15: 493-497 DOI: 10.1007/s11771-008-0093-9 Strength evolution law of cracked rock based on localized progressive damage model ZHANG Ping(张 平)1, 2, LI Xi-bing...; Abstract: In the light of the localized progressive damage model, the evolution law of cohesive and frictional strength with irreversible strains......
Microstructure evolution of Cu-Pb monotectic alloys during directional solidification CUI Hong-bao(崔红保), GUO Jing-jie(郭景杰), SU Yan-qing(苏彦庆), DING Hong-sheng(丁宏生), WU Shi-ping(吴士平), BI Wei-sheng... and the cellular structures with L2 phase at the cell boundaries are developed. Key words: copper-lead monotectic alloy; directional solidification; transient morphology; microstructure evolution 1......
; 文章编号:1672-7207(2013)01-0101-07 Trajectory planning of automatic parallel parking with multi-constraints based on Matlab LI Hong1, GUO Konghui1, 2, SONG Xiaolin1... University, Changchun 130022, China) Abstract: Parking trajectory characteristics were analyzed, and a new trajectory function was proposed based on the known trajectory functions. It was proved......
Modified nonlinear chirp scaling algorithm for curvilinear trajectory synthetic aperture radarWANG Jian-tao(王建涛), QIN Yu-liang(秦玉亮), FAN Bo(范波), WANG Hong-qiang(王宏强), LI Xiang(黎湘) (School... of the highly squinted curvilinear trajectory synthetic aperture radar (CTSAR). Based on the analysis of slant range model and the frequency spectrum characteristics of the echo signal, a novel......