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NANOSIZE EFFECT IN GRAIN BOUNDARY MIGRATION OF COPPER D.G.Li1,N.G.Zhou2,X.Q.Wei2,L.Zhou2 (1.Central Iron and Steel Research Institute, Beijing 100083, China;2.School of Materials Science and Engineering, Nanchang University, Nanchang 330047, China) Abstract:Molecular dynamics simulations of high temperature annealing of copper bicrystals have been carried out. The bicrystals have planar grain......
evolutions of texture and grain boundary plane distributions in a ferritic stainless steelFANG Xiao-ying(方晓英)1, WANG Wei-guo(王卫国)1, GUO Hong(郭红)1, QIN Cong-xiang(秦聪祥)1, ZHOU Bang-xin(周邦新)2(1. School of Mechanical Engineering, Shandong University of Technology, Zibo 255049, China ;2. Institute of Materials, Shanghai University, Shanghai 200072, China)Abstract:The grain size, textures and grain......
Cavitation and grain boundary sliding during creep of Mg-Y-Nd-Zn-Mn alloy V. JAN?K1, F. HNILICA1, P. ZUNA1, V. O?EN??EK2, I. STUL?KOV?3 1. Department of Materials Engineering, Faculty... set of creep tests was interrupted after the onset of ternary creep. Fraction of cavitated dendritic boundaries was evaluated using optical microscopy. Measurement of grain boundary sliding......
EFFECTS OF MODIFICATION OF THE CARBIDE CHARACTERISTICS THROUGH GRAIN BOUNDARY SERRATION ON CREEP-FATIGUE LIFE IN AUSTENITIC STAINLESS STEELS S.W.Nam1,H.U.Hong2,K.J.Kim1,K.S.Min3 (1.Dept...., 449-771, Korea) Abstract:Modification of the carbide characteristics through the grain boundary serration is investigated, using an AISI 316 and 304 stainless steels. In both steels, triangular......
Inter-granular liquid phase aiding grain boundary sliding in superplastic deformation of fine-grained ZK60 Mg alloy LEE Shyong1, CHIANG Chih-te1, CHU Chun-lin1, HSU Chang-chuan2 1. Department... accommodates grain boundary sliding to reach superplasticity. On the other hand, there is no such phenomenon reported regarding Mg alloy in literatures. Scanning electron microscopic (SEM) fractography......
PHOSPHORUS GRAIN BOUNDARY SEGREGATION IN A P-DOPED 2.25Cr1Mo STEEL S.H.Song1,D.D.Shen1,J.LIU1,L.Q.Wen2,Z.X.Yuan1 (1.The Hubei Province Key Laboratory of Ceramics and Refractories, Wuhan University of Science and Technology, Wuhan 430081, China;2.School of Materials Science and Engineering, Nanjing University of Aeronautics and Astronautics,Nanjing 210016, China) Abstract:Grain boundary......
Effects of initial grain size and strain on grain boundary engineering of high-nitrogen CrMn austenitic stainless steelZhen-hua Wang1,2,3,Jian-jun Qi2,3,Wan-tang Fu21. School of Mechanical... with fine initial grains showed decreasing grain size after grain boundary engineering processing.The fraction of low-Σ boundaries and the(Σ9 + Σ27)/Σ3 value decreased with increasing strain; furthermore......
CALCULATION OF SECOND PHASE PARTICLE-GRAIN BOUNDARY INTERACTION RANGE W. Wang1,X.L. Wang2,L.F. Hou2,Y.H. Wei2 (1.Baosteel Technology Center, Baoshan Iron & Steel Co., Ltd., Shanghai 201900, China;2.College of Materials Science and Engineering, Taiyuan University of Technology, Taiyuan 030024, China) Abstract:On the basis of the grain boundary equation by Hellman and corresponding analysis......
present investigation shows that grain boundary engineering(GBE) can retard the formation and growth of ηphase in J75 alloy.After GBE treatment with 5% cold rolling followed by annealing at 1000℃ for 1 h...Retarding the precipitation of η phase in Fe-Ni based alloy through grain boundary engineeringHonglei Hu1,2,Mingjiu Zhao1,Lijian Rong11. Key Laboratory of Nuclear Materials and Safety Assessment......
J. Cent. South Univ. Technol. (2011) 18: 1009-1012 DOI: 10.1007/s11771-011-0795-2 Effect of grain boundary on electric performance of ZnO nanowire transistor with wrap-around gate ZHOU Yu-ming(周郁..., Changsha 410082, China ? Central South University Press and Springer-Verlag Berlin Heidelberg 2011 Abstract: A novel grain boundary (GB) model characterized with different angles and positions......