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Concentration Heterogeneity in Structure of Intermetallic Synthesized under CompressionO.B.Perevalova,M.B.Fedorischeva,V.E.Ovcharenko,HuiheSU摘 要:<正>... composition on the distance has a zig zag nature at the level of the grain groups. Deviation from the stoichiometric composition at the boundaries of the general type is less than at the boundaries......
J. Cent. South Univ. (2020) 27: 674-697 DOI: https://doi.org/10.1007/s11771-020-4323-0 Effects of microstructural heterogeneity on fatigue properties of cast aluminum alloys JIAO Yi-nan(焦忆楠)1, 2... cracks initiated during operation induce the lubrication oil leak and serious safety hazard. Microstructural heterogeneity, including shrinkage/gaspores and secondary phase particles, is the most......
by the heterogeneity of composite grain-interiors, namely the different combinations of single grain-interiors. Therefore, the spread degree of the composite grain- interiors is the same as that of size... between the whole material deformation behavior and each grain deformation behavior in micro-forming, experimental and numerical modelling methods were employed. Tensile test results reveal......
Article ID: 1003-6326(2005)06-1248-05 Tensile properties and mechanical heterogeneity of friction stir welded joints of 2014 aluminum alloy ZHAO Yan-hua(赵衍华), LIN San-bao(林三宝), WU Lin(吴... on the different parts of the joints. Key words: 2014 Al alloy; friction stir welding; mechanical properties; fracture; heterogeneity CLC number: TG453 ......
Trans. Nonferrous Met. Soc. China 30(2020) 2994-3005 Modeling of material deformation behavior in micro-forming under consideration of individual grain heterogeneity Zhen-wu MA1, Xuan PENG1, Chun-ju... deformation behavior in micro-forming. First, the influence of individual grain heterogeneity on the deformation behavior of CuZn20 foils was investigated via tensile and micro-hardness tests. The results......
J. Cent. South Univ. (2017) 24: 720-725 DOI: 10.1007/s11771-017-3473-1 Effects of porosity heterogeneity on chemical dissolution-front instability in fluid-saturated rocks ZHAO Chong-bin(赵崇斌)1... Abstract: Homogeneity and heterogeneity are two totally different concepts in nature. At the particle length scale, rocks exhibit strong heterogeneity in their constituents and porosities. When......
J. Cent. South Univ. Technol. (2010) 17: 1119-1124 DOI: 10.1007/s11771-010-0605-2 Effect of heterogeneity on mechanical and acoustic emission characteristics of rock specimen LI Shu-cai(李术才... Abstract: The influence of heterogeneity on mechanical and acoustic emission characteristics of rock specimen under uniaxial compress was studied with numerical simulation methods. Weibull distribution......
Bimodal grain structures and tensile properties of a biomedical Co-20Cr-15W-10Ni alloy with different pre-strainsCheng-Lin Li1,Seong-Woo Choi2,Jeong Mok Oh2,Jae-Keun Hong2,Jong-Taek Yeom2,Joo-Hee.... Materials Testing & Reliability Division,Korea Institute of Materials Science摘 要:The influence of pre-strain on the formation of bimodal grain structures......
Structure Heterogeneity in Metallic Glass: Modeling and ExperimentH.B.Ke,J.F.Zeng,C.T.Liu,Y.YangCentre for Advanced Structural Materials, Department of Mechanical and Biomedical Engineering,City... a solid-like matrix and liquid-like inclusions. This serves as the theoretical basis to understand the structural heterogeneity in MGs in our analytical framework. After that, a scanning ultrafast......
J. Cent. South Univ. (2020) 27: 3063-3077 DOI: https://doi.org/10.1007/s11771-020-4529-1 Numerical simulation on effect of heterogeneity on mode Ι fracture characteristics of rock WANG Jin-tao(王金涛... at mesoscale, which influence the crack behaviors and mechanical characteristics. Key words: rock heterogeneity; crack evolution; subcritical crack growth; fracture mechanism Cite this article as: WANG......
