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Assessment of atomic mobilities and simulation of precipitation evolution in Mg-X(X=Al,Zn,Sn)alloysYuhui Zhang1,Yuling Liu1,Shuhong Liu1,Hai-Lin Chen2,Qing Chen2,Shiyi Wen1,Yong Du11. National Key...">As potential cast and wrought Mg alloys,Mg-X(X=Al,Zn,Sn) based alloys have attracted great interest.This work is to develop a dataset of atomic mobilities that is valid over a wide composition range.With......
of borehole heat exchanger utilizing geothermal energy. The thermal performance was affected by many different design parameters, such as configuration type and borehole size of geothermal heat...Thermal performance analysis of borehole size effect on geothermal heat exchangerCHOI Hoon-ki1, YOO Geun-jong1, LIM Kyung-bin2, LEE Sang-hoon3, LEE Chang-hee4(1. Department of Mechanical Design......
J. Cent. South Univ. (2020) 27: 721-735 DOI: https://doi.org/10.1007/s11771-020-4326-x Microstructures and properties of PVD TiAlN coating deposited on cermets with different Ti(C, N) grain size... Abstract: In the present work, TiAlN coatings were deposited on Ti(C, N)-based cermet substrates by physical vapor deposition method. Emphasis was focused on the influence of grain size of cermet......
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Effects of particle size on residual stresses of metal matrix composites YAN Yi-wu(晏义伍), GENG Lin(耿 林), LI Ai-bin(李爱滨) School of Materials Science and Engineering, Harbin Institute of Technology... used. By incorporating the Taylor-based nonlocal plasticity theory, the effect of particle size on the nature, magnitude and distribution of residual stresses of the composites was studied......
. Key words: epitaxial growth film; atomic misfit; dislocation; interface energy CLC number: O484.1 Document code: A SIZE: 10pt; COLOR: black; FONT-FAMILY: 'Times New Roman... these energies was present at a critical atomic misfit fc. When the atomic misfit is larger than the critical value, epitaxial growth does not occur. The critical misfit of the epitaxial growth thin films......
. The experimental design consists of four parameters (pouring temperature, shearing temperature, shearing time and shearing rate) with three levels. The grain size and shape factor measurements..., and 600 r/min for shearing rate. Under the optimized processing parameters, the average grain size is 28.53 μm, and the shape factor is 0.591. Key words: AZ91D; rheo-casting; processing parameters......
Trans. Nonferrous Met. Soc. China 23(2013) 2460-2464 Atomic interdiffusion in Ni-Cu system under high magnetic field Guo-qing CHEN1, Xiao REN1,2, Wen-long ZHOU 1, Jun-shan ZHANG1 1. School... Institute, Hefei 230088, China Received 20 June 2012; accepted 20 November 2012 Abstract: The effect of high magnetic field on the atomic interdiffusion in Ni-Cu system was studied using the Cu/Ni/Cu......
J. Cent. South Univ. (2021) 28: 911-925 DOI: https://doi.org/10.1007/s11771-021-4653-6 Quantitative determination of PFC3D microscopic parameters LI Zhuo(李卓), RAO Qiu-hua(饶秋华) School of Civil...-parameters for applying partied flow code (PFC) to study mechanical characteristics and failure mechanism of rock materials. Uniform design method is firstly adopted to determine the microscopic......
in MgZn2.MgYZn4 has an orthorhombic structure with a space group of Pmnn,and lattice parameters a =5.2965 A,b =9.4886 A,and c =8.5966 A.Importantly,both size and structure of MgYZn4 are stable at 625 K for 5 h...Atomic structure and enhanced thermostability of a new structure MgYZn4 formed by ordered substitution of Y for Mg in MgZn2 in a Mg-Zn-Y alloyLifeng Zhang1,Shangyi Ma1,Weizhen Wang2,1,Zhiqing......