Changyou Li

ORCID: 0000-0003-0076-074X
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About
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Research Areas
  • Gear and Bearing Dynamics Analysis
  • Advanced machining processes and optimization
  • Additive Manufacturing Materials and Processes
  • Iterative Learning Control Systems
  • Advanced Measurement and Metrology Techniques
  • Welding Techniques and Residual Stresses
  • Fatigue and fracture mechanics
  • Probabilistic and Robust Engineering Design
  • Metallurgy and Material Forming
  • Vibration and Dynamic Analysis
  • Tribology and Lubrication Engineering
  • Additive Manufacturing and 3D Printing Technologies
  • Adhesion, Friction, and Surface Interactions
  • Magnesium Alloys: Properties and Applications
  • High Entropy Alloys Studies
  • Mechanical stress and fatigue analysis
  • Mechanical Engineering and Vibrations Research
  • Reliability and Maintenance Optimization
  • Mechanical Behavior of Composites
  • Advanced Surface Polishing Techniques
  • Corrosion Behavior and Inhibition
  • Composite Structure Analysis and Optimization
  • Dynamics and Control of Mechanical Systems
  • Aluminum Alloys Composites Properties
  • Microstructure and Mechanical Properties of Steels

Northeastern University
2016-2025

Northwestern Polytechnical University
2024

Liaoning University
2023

Universidad del Noreste
2021-2023

Technical University of Denmark
2018

National University of Defense Technology
2017

University of Pittsburgh
2009-2010

Metallurgical Research Institute
1997

Preparation of coatings with excellent properties is an effective way to address poor wear and corrosion resistance aluminum (Al) alloys. Micro-arc oxidation (MAO) exhibited high hardness, good adhesion, resistance. Unfortunately, defects such as micropores, cracks, overgrowth regions, rough surface, well residual stress in MAO are unavoidable. This entails that surface associated resistance, fatigue performance (SPAFP) the coated samples were more difficult be controlled. In response this...

10.1016/j.jmrt.2023.02.028 article EN cc-by-nc-nd Journal of Materials Research and Technology 2023-02-09

The discovery of the topological transition in twisted bilayer (tBL) materials has attracted considerable attention nano-optics. In analogue acoustics, however, no such been found due to inherent nondirectional scalar property acoustic pressure. this work, by using a theory-based nonlocal anisotropic design, in-plane pressure is transformed into spatially distributed vector field multilayer metasurfaces. So-called "acoustic magic angle"-related phenomena occur, as polariton hybridization and...

10.1002/adma.202311350 article EN cc-by-nc Advanced Materials 2024-01-15

Abstract Cell-mediated adaptive immunity is very important in tumor immune surveillance and vaccination. However, the genetic program underlying an effective antitumor elusive. T-bet Eomesodermin (Eomes) have been suggested to be master regulators of Th1 cells CD8+ T cells. whether they are for cell-mediated controversial. In this paper, we show that combined germline deletion cell-specific Eomes resulted profound defects responses. drive Tc1 differentiation by preventing alternative cell...

10.4049/jimmunol.1000749 article EN The Journal of Immunology 2010-08-17

Flat bands have empowered novel phenomena such as robust canalization with strong localization, high-collimation and low-loss propagation. However, the spatial symmetry protection in photonic or acoustic lattices naturally forces flat to manifest pairs aligned at an inherently specific angle, resulting a fixed bidirectional canalization. Here, we report flat-band metasurface, allowing not only unidirectional all in-plane angles but also tunability band alignment. The twist, tilt, skew of...

10.1038/s41467-025-55937-4 article EN cc-by-nc-nd Nature Communications 2025-01-14

10.1016/j.mechmachtheory.2017.06.011 article EN Mechanism and Machine Theory 2017-06-27
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