H.W. Chai

ORCID: 0000-0003-0051-5381
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Research Areas
  • High-Velocity Impact and Material Behavior
  • Energetic Materials and Combustion
  • Aluminum Alloys Composites Properties
  • Cellular and Composite Structures
  • Advanced ceramic materials synthesis
  • Nuclear Materials and Properties
  • Polymer crystallization and properties
  • Microstructure and mechanical properties
  • Additive Manufacturing Materials and Processes
  • Ion-surface interactions and analysis
  • Additive Manufacturing and 3D Printing Technologies
  • Fusion materials and technologies
  • Polymer Foaming and Composites
  • Transportation Safety and Impact Analysis
  • Advanced X-ray Imaging Techniques
  • Surface Treatment and Residual Stress
  • Cutaneous Melanoma Detection and Management
  • Intermetallics and Advanced Alloy Properties
  • Geotechnical Engineering and Soil Mechanics
  • Hydrocarbon exploration and reservoir analysis
  • High-pressure geophysics and materials
  • Geological and Geophysical Studies
  • Rocket and propulsion systems research
  • Metal and Thin Film Mechanics
  • Innovations in Concrete and Construction Materials

Southwest Jiaotong University
2019-2024

Heinrich Heine University Düsseldorf
2024

Düsseldorf University Hospital
2024

Peac Institute of Multiscale Sciences
2017-2022

We investigate spallation of polycarbonate under plate impact loading. The Hugoniot equation state up to ∼1.3GPa (corresponding a peak particle velocity ∼380m/s) is obtained, and spall strength corresponding strain rates are determined at shock stresses ∼2.4GPa ∼600m/s). With increasing strength, the transition from strain-hardening softening states occurs as result heating; remains approximately constant, followed by rapid drop upon softening. Release/tensile melting higher velocities....

10.1063/1.5108965 article EN Journal of Applied Physics 2019-08-23

High-brightness coherent ultrashort X-ray free-electron lasers (XFELs) are promising in resolving nanoscale structures at the highest temporal resolution (∼10 fs). The feasibility is explored of ultrafast fragmentation liquids with single-shot small-angle scattering (SAXS) on basis large-scale molecular dynamics simulations. Fragmentation liquid sheets under adiabatic expansion investigated. From simulated SAXS patterns, particle-volume size distributions obtained regularization method and...

10.1107/s160057751900732x article EN Journal of Synchrotron Radiation 2019-08-01

Abstract Mg-rare earth (RE) alloys have been under rapid development as a novel class of lightest alloys. The ballistic performance Mg-RE alloy plates, especially intermediate-thickness is particular interest for applied and basic studies, but rarely investigated. We investigate high-speed perforation Mg6Gd3Y0.5Zr plate with experiment, microstructure characterization, finite element simulation. projectile stainless steel (SS304) sphere, the target 20-mm thick, impact velocity 1612 m s −1 ....

10.1088/1742-6596/2891/6/062024 article EN Journal of Physics Conference Series 2024-12-01
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