Ji Gu

ORCID: 0000-0001-7819-1220
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About
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Research Areas
  • High Entropy Alloys Studies
  • Microstructure and mechanical properties
  • High-Temperature Coating Behaviors
  • Additive Manufacturing Materials and Processes
  • Aluminum Alloys Composites Properties
  • Advanced materials and composites
  • High Temperature Alloys and Creep
  • Metallic Glasses and Amorphous Alloys
  • Titanium Alloys Microstructure and Properties
  • Metal and Thin Film Mechanics
  • Intermetallics and Advanced Alloy Properties
  • Magnesium Alloys: Properties and Applications
  • Surface Treatment and Residual Stress
  • Aluminum Alloy Microstructure Properties
  • Advanced Materials Characterization Techniques
  • Phase-change materials and chalcogenides
  • Metal Alloys Wear and Properties
  • Diamond and Carbon-based Materials Research
  • Electromagnetic wave absorption materials
  • Welding Techniques and Residual Stresses
  • Material Dynamics and Properties
  • Microstructure and Mechanical Properties of Steels
  • X-ray Diffraction in Crystallography
  • Glass properties and applications
  • Metallurgy and Material Forming

Central South University
2016-2025

State Key Laboratory of Powder Metallurgy
2024

University of Georgia
2007

Tsinghua University
1996-2004

As a global feature of fingerprints, the orientation field is very important for automatic fingerprint recognition. Many algorithms have been proposed estimation, but their results are unsatisfactory, especially poor quality images. In this paper, model-based method computation proposed. First combination model established representation by conidering its smoothness except several singular points, in which polynomial used to describe globally and point-charge taken improve accuracy locally...

10.1109/tip.2003.822608 article EN IEEE Transactions on Image Processing 2004-05-13

Abstract The development of xenon plasma focused ion-beam (Xe + PFIB) milling technique enables site-specific sample preparation with rates several times larger than the conventional gallium (Ga FIB) technique. As such, effect higher beam currents and heavier ions utilized in Xe PFIB system is particular importance when investigating material properties. To investigate potential artifacts resulting from these new parameters, a comparative study performed on transmission electron microscopy...

10.1038/s41598-020-66564-y article EN cc-by Scientific Reports 2020-06-25

In this study, hot rolling treatment followed by water quenching was conducted on a TC18 titanium alloy in β single-phase region with varying reductions. Experimental evidences from X-ray diffraction and transmission electron microscopy indicate the formation of α phase, induced sufficient stress assisted ω phase. addition, existence α" phase diffuse streaks were also observed during working processing. Furthermore, dynamic recrystallization (DRX) including continuous (CDRX) discontinuous...

10.1016/j.jmrt.2023.08.268 article EN cc-by-nc-nd Journal of Materials Research and Technology 2023-08-30

10.1557/jmr.2020.256 article EN Journal of materials research/Pratt's guide to venture capital sources 2020-09-21

10.1557/s43578-025-01517-7 article EN Journal of materials research/Pratt's guide to venture capital sources 2025-01-16

The 2'-deoxyguanosine-3',5'-diphosphate, 2'-deoxyadenosine-3',5'-diphosphate, 2'-deoxycytidine-3',5'-diphosphate and 2'-deoxythymidine-3',5'-diphosphate systems are the smallest units of a DNA single strand. Exploring these comprehensive subunits with reliable density functional methods enables one to approach reasonable predictions properties strands. With models, strands found have strong tendency capture low-energy electrons. vertical attachment energies (VEAs) predicted for 3',5'-dTDP...

10.1093/nar/gkm135 article EN Nucleic Acids Research 2007-07-11
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