Yu Gao

ORCID: 0000-0001-6397-2358
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About
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Research Areas
  • Advanced Surface Polishing Techniques
  • High-Temperature Coating Behaviors
  • High Entropy Alloys Studies
  • Metal and Thin Film Mechanics
  • Advanced machining processes and optimization
  • Advanced materials and composites
  • X-ray Diffraction in Crystallography
  • Advanced ceramic materials synthesis
  • Crystallization and Solubility Studies
  • Advanced Machining and Optimization Techniques
  • Aluminum Alloys Composites Properties
  • Dental Implant Techniques and Outcomes
  • Metallic Glasses and Amorphous Alloys
  • Orthopaedic implants and arthroplasty
  • Evolutionary Game Theory and Cooperation
  • Metallurgy and Material Forming
  • Magnesium Alloys: Properties and Applications
  • Diamond and Carbon-based Materials Research
  • Tunneling and Rock Mechanics
  • Corrosion Behavior and Inhibition
  • Integrated Circuits and Semiconductor Failure Analysis
  • Cultural Heritage Materials Analysis
  • Insect behavior and control techniques
  • Intermetallics and Advanced Alloy Properties
  • Stability and Control of Uncertain Systems

Chongqing University
2024

Chongqing University of Science and Technology
2023-2024

Shandong University
2009-2024

Hubei University of Arts and Science
2024

City University of Hong Kong, Shenzhen Research Institute
2023-2024

Shandong University of Science and Technology
2021-2023

Wuhan University of Science and Technology
2014-2022

Jilin University
2018-2022

Union Hospital
2022

Xi'an Jiaotong University
2016-2018

The Mo15Nb20Ta10Ti35V20 refractory high entropy alloy with BCC structure was prepared by vacuum arc melting. synthesized demonstrated better corrosion resistance compared to 316 stainless steel in chloride environment, whose is attributed the complex passive film and shows characteristics of passivation-transpassivation-secondary passivation on polarization curve. Mott-Schottky curves analysis XPS results show that primary secondary films have different P-N junctions which were composed...

10.1016/j.matdes.2023.111820 article EN cc-by-nc-nd Materials & Design 2023-03-15

NbTaTiV and CrNbTaTiV were fabricated by arc melting effect of Cr element on electrochemical high temperature hot corrosion behavior compared. Electrochemical investigations revealed that Laves phase at grain boundaries would underwent galvanic corrosion, resulting in a marginal reduction resistance. The results showed within Na2SO4 + 25 wt% NaCl molten salt environment, the oxide film formed effectively improved surface stability, reduced formation unprotected loose products generation low...

10.1016/j.jmrt.2023.11.247 article EN cc-by-nc-nd Journal of Materials Research and Technology 2023-12-01

The phenomenon of indentation size effect (ISE) has received great attention in aerospace, nuclear power, microelectronics and medicine. Although researchers have proposed various ISE models, these models often involve different form number parameters that can make our wonder which is the best existed models. Herein, three types test data, namely, normal ISE, reverse transition to are used evaluate sixteen comparatively study indicates Hou-Jennet(H-J), Nix-Gao-Feng (N-G-Fs), Nix-Gao-Haušild...

10.1038/s41598-024-71136-5 article EN cc-by-nc-nd Scientific Reports 2024-08-28

This article presents a novel method of global optimal path planning based on the Dijkstra algorithm and bat algorithm. consists three steps: first step is establishing working space mobile robot by adopting MAKLINK graph theory, second utilising to obtain sub–optimal from start point goal point, third optimise so as get robot. The result simulation experiment shows proposed effective can meet real–time requirements At same time, also proves superior particle swarm optimisation

10.1504/ijaac.2015.068041 article EN International Journal of Automation and Control 2015-01-01

The limited ductility of Refractory High Entropy Alloy (RHEA) at room temperature hinders its widespread application. However, optimizing their properties through traditional "trial and error" methods is a challenging due to the intricate composition Alloys (HEAs). First principles calculation an efficient cost-effective method for predicting material properties. Three modeling high entropy alloys are most commonly used, namely Supercell (SC), Special quasi-random structure (SQS) Virtual...

10.1016/j.jmrt.2023.08.149 article EN cc-by-nc-nd Journal of Materials Research and Technology 2023-08-22

The bilayer structure passive films were formed on FeCoCrNiNbx alloy surfaces in 0.5 M H2SO4 solution. inner film was denser and more protective. high Cr/Nb ratio would facilitate the passivation of alloys formation a thicker surface. protective ability determined by structure, composition, thickness film, while semiconductor characteristics could only contribute to improvement but not directly determine film.

10.1016/j.jmrt.2023.10.313 article EN cc-by-nc-nd Journal of Materials Research and Technology 2023-11-01

Although researchers have proposed various indentation size effect (ISE) models, these models often involve different form and number of parameters that can make our wonder which is the best in existed ISE models. Three types test data, namely, normal ISE, reverse transition to are used evaluate sixteen The comparatively study indicates H-J, N-G-Fs, N-G-H, N-G-A N-G-Qs accurately predict ISE. reason for this friction stress not related dislocation activities or plastic zone has been...

10.20944/preprints202404.0630.v1 preprint EN 2024-04-10

Abstract A theoretical calculation combined with experiment was used to study high‐entropy (Hf 0.2 Ti Mo Ta Nb )B 2 (HEB‐HfTiMoTaNb). The suggested HEB‐HfTiMoTaNb could be stable over a wide temperature range. Then, novel solvothermal/molten salt‐assisted borothermal reduction method proposed efficiently pre‐disperse transitional metal atoms in precursor and synthesize nanoscale powders at 1573 K for 6 h, which is nearly 300 lower than previous reports. characterization results indicated...

10.1111/jace.18596 article EN Journal of the American Ceramic Society 2022-06-22
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