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and configuration evolution characteristics of Aln clusters in the cooling process of liquid metal, a deep investigation of structure stabilities of Aln (n=3, 4, 6, 13, 19) cluster isomers was performed... that this structure evolution is rather easy. Whereas, a high energy barrier ΔE2 in the evolution from the metastable to stable structures of Al19 cluster and a low energy difference (ΔE1=0.082 eV......
activity and catalytic stability are much higher than the other iron-group with Mo alloy electrodes. Key words: Ni-Fe-Mo-Co alloy; catalytic activity; surface structure; hydrogen evolution reaction... structure and catalytic activities in electrodeposited Mo-Ni alloys [J]. Materials Transactions, 2002, 43(7): 1525-1529. [9] HAN Qing, CHEN Jian-she, LIU Kui-ren, LI Xin, WEI Xu-jun. Hydrogen evolution......
="ChDivSummary">The directional structure of Ni60/high-aluminum bronze composite coating was formed using induction remelting and forced cooling.The microstructural evolution and the characteristics...The microstructural evolution and wear properties of Ni60/high-aluminum bronze composite coatings with directional structureXiao-Tian Yang1,2,Xiu-Qian Li1,Qiang-Bin Yang3,Jun-Ling Duan1,Xiao-Yue......
Evolution of Grain Structure and Texture for 6082-T6 Aluminum Alloy during Friction Stir Welding张亮亮1,王希靖1,2,WEI Xueling11. State Key Laboratory of Advanced Processing and Recycling of Non-ferrous... in order to study grain structure and texture evolution of thin 6082-T6 aluminum alloy sheets during friction stir welding(FSW). The evolutions of microstructure and texture were studied in different......
Evolution of domain structure and frequency effect on ferroelectric properties in BIT ferroelectrics ZHENG Xue-jun(郑学军)1, 2, LU Jia(卢佳)1, ZHOU Yi-chun(周益春)1,2, WU Bo(吴波)1, CHEN Yi-qiang... on the time-dependent Ginzburg-Landau (TDGL) equation, the temporal evolution of the domain structure and hysteresis loops of polarization versus electric field were simulated by a phase-field model......
Crystal Structure Evolution of the Cu-rich Nano Precipitates from bcc to 9R in Reactor Pressure Vessel Model SteelLiu FENG1,2,Bangxin ZHOU1,3,Jianchao PENG1,3,Junan WANG1,31. Institute of Materials... structure evolution of the Cu-rich nano precipitates from bcc to 9R during thermal aging was studied in nuclear reactor pressure vessel(RPV)model steels.The specimens,contained higher copper and nickel......
Micro-scale Cellular Automaton Modeling of Interface Evolution During Reaustenitization from Pearlite Structure in SteelsGang Shen1,Cheng-Wu Zheng2,Jian-Feng Gu1,3,4,Dian-Zhong Li21. Institute... id="ChDivSummary" name="ChDivSummary">A modified cellular automaton model is developed to depict the interface evolution inside the cementite plus ferrite lamellar microstructures during......
Microstructure and dislocation structure evolution during creep life of Ni-based single crystal superalloysHao Yua1,Wei Xu1,2,Sybrand van der Zwaag11. Novel Aerospace Materials Group, Faculty... single crystal superalloys during high temperature low stress creep service, is intrinsically determined by the combined effects of microstructural evolution and the dislocation behaviour. In the field......
Structure evolution and thermal stability of La2O3-doped mullite fibers via sol-gel method王炜1,2,翁端1,吴晓东11. State Key Laboratory of New Ceramics & Fine Process, Department of Materials Science... the aluminum isopropoxide-aluminum nitrate-tetraethyl orthosilicate system. The structure evolution and thermal stability of the mullite fibers were investigated by means of X-ray diffraction (XRD), Fourier......
Structure evolution and thermal stability of La2O3-doped mullite fibers via sol-gel method王炜1,2,翁端1,吴晓东11. State Key Laboratory of New Ceramics & Fine Process, Department of Materials Science... the aluminum isopropoxide-aluminum nitrate-tetraethyl orthosilicate system. The structure evolution and thermal stability of the mullite fibers were investigated by means of X-ray diffraction (XRD), Fourier......