Search Results - "Z F Zhang"

General relationship between strength and hardness by Zhang, P., Li, S.X., Zhang, Z.F.

“…► The hardness is not an intrinsic property but reflects the hardening state in CG. ► The ratio of hardness to strength can also be reflected by indentation…”
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Tensile ductility and necking of metallic glass by Sui, M. L, Guo, H, Yan, P. F, Wang, Y. B, Tan, J, Zhang, Z. F, Ma, E

“…Metallic glasses have a very high strength, hardness and elastic limit. However, they rarely show tensile ductility at room temperature and are considered…”
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Unified tensile fracture criterion by ZHANG, Z. F, ECKERT, J

“…We find that the classical failure criteria, i.e., maximum normal stress criterion, Tresca criterion, Mohr-Coulomb criterion, and von Mises criterion, cannot…”
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Enhanced cyclic deformation responses of ultrafine-grained Cu and nanocrystalline Cu–Al alloys by An, X.H., Wu, S.D., Wang, Z.G., Zhang, Z.F.

“…Cyclic deformation responses of ultrafine-grained (UFG) Cu and nanocrystalline (NC) Cu–Al alloys produced by equal channel angular pressing were investigated…”
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Microscopic mechanisms contributing to the synchronous improvement of strength and plasticity (SISP) for TWIP copper alloys by Liu, R., Zhang, Z. J., Li, L. L., An, X. H., Zhang, Z. F.

“…In this study, the concept of “twinning induced plasticity (TWIP) alloys” is broadened and the underlying intrinsic microscopic mechanisms of the general TWIP…”
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Effects of probiotic supplementation in different energy and nutrient density diets on performance, egg quality, excreta microflora, excreta noxious gas emission, and serum cholesterol concentrations in laying hens by Zhang, Z F, Kim, I H

“…This 6-wk study was conducted to determine the effects of probiotic (Enterococcus faecium DSM 7134) supplementation of different energy and nutrient density…”
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Fundamental factors on formation mechanism of dislocation arrangements in cyclically deformed fcc single crystals by LI, P, LI, S. X, WANG, Z. G, ZHANG, Z. F

“…This paper systematically summarizes the cyclic deformation behaviors of different kinds of face-centered cubic (fcc) single crystals, including copper,…”
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Current Developments of Pyrrolo[2,3-d]pyrimidines with Anticancer Potential (A Review) by Tan, Z.-Y., Deng, J., Ye, Q.-X., Zhang, Z.-F., Luo, T.-Y.

“…Anticancer chemotherapeutics are effective weapons for cancer therapy, but the continuous emergency of multidrug-resistant cancer and the side effects of…”
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Strain rate effects on tensile deformation behaviors for Fe–22Mn–0.6C–(1.5Al) twinning-induced plasticity steel by Yang, H.K., Zhang, Z.J., Dong, F.Y., Duan, Q.Q., Zhang, Z.F.

“…In this study, the effect of strain rate on the tensile deformation behavior of Fe–22Mn–0.6C–(1.5Al) (wt%) twinning-induced plasticity (TWIP) steel was…”
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Recovery of strain-hardening rate in Ni-Si alloys by Yang, C. L., Zhang, Z. J., Cai, T., Zhang, P., Zhang, Z. F.

“…In this study, the recovery of strain-hardening rate (RSHR) was discovered for the first time in polycrystalline materials (Ni-Si alloys) that have only…”
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Relations between fatigue strength and other mechanical properties of metallic materials by Pang, J. C., Li, S. X., Wang, Z. G., Zhang, Z. F.

“…ABSTRACT The relations between fatigue strength and other mechanical properties especially the tensile strength of metallic materials are reviewed. After…”
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Pro-inflammatory cytokine-mediated ferroportin down-regulation contributes to the nigral iron accumulation in lipopolysaccharide-induced Parkinsonian models by Zhang, Z, Hou, L, Song, J.-L, Song, N, Sun, Y.-J, Lin, X, Wang, X.-L, Zhang, F.-Z, Ge, Y.-L

“…Graphical abstract…”
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Microstructural evolution and mechanical properties of Cu–Al alloys subjected to equal channel angular pressing by Qu, S., An, X.H., Yang, H.J., Huang, C.X., Yang, G., Zang, Q.S., Wang, Z.G., Wu, S.D., Zhang, Z.F.

“…Ultrafine-grained (UFG) or nanocrystalline (NC) Cu–Al alloys were prepared using equal-channel angular pressing (ECAP) to investigate the influence of stacking…”
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Fracture mechanisms in bulk metallic glassy materials by Zhang, Z F, He, G, Eckert, J, Schultz, L

“…We find that the failure of bulk metallic glassy (BMG) materials follows three modes, i.e., shear fracture with a fracture plane significantly deviating from…”
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Size-dependent shear fracture and global tensile plasticity of metallic glasses by Wu, F.F., Zhang, Z.F., Mao, S.X.

“…The tensile ductility or brittleness of metallic glasses is found to depend strongly on the critical shear offset. Based on experimental observations, the…”
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Morphologies, orientation relationships and evolution of Cu6Sn5 grains formed between molten Sn and Cu single crystals by ZOU, H. F, YANG, H. J, ZHANG, Z. F

“…The morphologies and orientation relationships of Cu6Sn5 grains formed between Sn and (0 0 1), (0 1 1), (1 1 1) and (1 23) Cu single crystals under liquid- and…”
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The synchronous improvement of strength and plasticity (SISP) in new Ni-Co based disc superalloys by controling stacking fault energy by Xu, H., Zhang, Z. J., Zhang, P., Cui, C. Y., Jin, T., Zhang, Z. F.

“…It is a great challenge to improve the strength of disc superalloys without great loss of plasticity together since the microstructures benefiting the strength…”
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Difference in compressive and tensile fracture mechanisms of Zr59Cu20Al10Ni8Ti3 bulk metallic glass by Zhang, Z F, Eckert, J, Schultz, L

“…The compressive and tensile deformation as well as the fracture behavior of a Zr59Cu20Al10Ni8Ti3 bulk metallic glass was investigated. It was found that, under…”
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Standing wave effect and fractal structure in dislocation evolution by Li, P., Zhang, Z. F.

“…Theoretical model required for the evolution of regular dislocation pattern should simultaneously take into account both static distribution and dynamic…”
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Crack initiation mechanism of extruded AZ31 magnesium alloy in the very high cycle fatigue regime by Yang, F., Yin, S.M., Li, S.X., Zhang, Z.F.

“…Ultrasonic fatigue testing as well as conventional fatigue testing has been conducted on commercial extruded AZ31 magnesium alloy. The S– N curve for this…”
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