Jiahui Gu

ORCID: 0000-0002-5037-9683
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About
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Research Areas
  • Mechanical Behavior of Composites
  • Cellular and Composite Structures
  • Fatigue and fracture mechanics
  • High-Velocity Impact and Material Behavior
  • Microstructure and Mechanical Properties of Steels
  • Metallurgy and Material Forming
  • Metal Forming Simulation Techniques
  • Advancements in Battery Materials
  • Non-Destructive Testing Techniques
  • Advanced Battery Technologies Research
  • Structural Analysis and Optimization
  • Advanced Battery Materials and Technologies
  • Composite Structure Analysis and Optimization
  • Lubricants and Their Additives
  • Adhesion, Friction, and Surface Interactions
  • Structural Load-Bearing Analysis
  • Mass Spectrometry Techniques and Applications
  • Ion-surface interactions and analysis
  • Energetic Materials and Combustion
  • Photochromic and Fluorescence Chemistry
  • Building materials and conservation
  • Industrial Vision Systems and Defect Detection
  • Optical measurement and interference techniques
  • Advanced ceramic materials synthesis
  • Advanced Measurement and Metrology Techniques

Northwestern Polytechnical University
2021-2024

Northeastern University
2024

Qingdao University of Science and Technology
2021

Columbus Center
2021

University of North Texas
2020

Anhui University of Science and Technology
2020

European Writers' Council
2019

Edison Welding Institute
2018

The mechanical performance of the fiber tow composite is crucial for textile composites. To characterize tensile properties carbon composite, a test methodology high strain rate loading was developed based on Split Hopkinson bar equipped with an ultra-high-speed camera. composites measured under quasi-static and dynamic rates, respectively. Furthermore, effects gauge length, counts specimens sensitivity are investigated. results indicate that strength related to length specimen affected by...

10.1016/j.polymertesting.2023.108021 article EN cc-by-nc-nd Polymer Testing 2023-04-07

Dynamic characterization of textile composites is confronted with great challenges due to its large unit-cell size and the inherent limitations in specimen for Hopkinson bar-based test system. The small will inevitably introduce variations effective mechanical response failure mechanism, bring about additional problems determining realistic dynamic properties material. This work experimentally investigated compression behavior three-dimensional angle interlock woven composite (3DWC) using...

10.1016/j.polymertesting.2023.108176 article EN cc-by-nc-nd Polymer Testing 2023-08-22

Abstract The variation of incoming material properties and the quality emerging advanced high-strength steels significantly increases costs for product design production. It is not economical to tightly control chemistry eliminate at steel mills. This paper introduces a methodology on how implement non-destructive evaluation (NDE) tool measure properties. servo-controlled forming process was successfully optimized adapt variations in lab-scale stamping cell with 300-Ton mechanical servo...

10.1088/1757-899x/651/1/012062 article EN IOP Conference Series Materials Science and Engineering 2019-11-01

Soft thermotropic liquid crystals (TLCs) have advantages on processability and shape memory compared to hard solids fluids. The development of photoswitchable soft TLCs based biomolecules would afford reworkable information recording biomaterials for the areas requiring biocompatibility degradability. In recent years, anhydrous DNA composed ammonium surfactants been receiving continuous attention. However, phase transition has not realized at room temperature, owing absence functional...

10.1016/j.mtbio.2021.100140 article EN cc-by-nc-nd Materials Today Bio 2021-09-01

Abstract Delamination damage is a critical concern for composites—especially aircraft structures—considering their complex service conditions, which include extreme temperatures and impact threats. This study considers the effect of temperature (−20°C to 110°C) on mode‐I interlaminar failure behavior unidirectional carbon/epoxy composite laminates, through series experiments. A simple double compliances method (DCM) without measurement crack length was employed determine mode I fracture...

10.1002/pc.26089 article EN Polymer Composites 2021-04-28

With the increased application of advanced high strength steel (AHSS), development a reliable methodology for evaluating and predicting edge cracking is in demand. In this study, different shear conditions three AHSS materials, TRIP 780, DP 980, 1180, were evaluated. The evaluated four steps: test, sheared characterization, HSDT, prediction using FEA. edges prepared with five clearances between 5 25% material thickness to obtain variable quality. strain thinning distribution captured digital...

10.1088/1757-899x/418/1/012072 article EN IOP Conference Series Materials Science and Engineering 2018-09-21

The determination of the optimal measurement area articulated arm measuring machine belongs to multi-dimensional function optimization problem under complex constraints. To realize high-precision low-precision machine, we analyze working principle and error source establish target model in this paper. We propose a method for determining an based on improved FOA. basic FOA algorithm is improved, historical individual population centroid information are added iteration update process, fruit...

10.1177/0020294020964241 article EN cc-by Measurement and Control 2020-10-17
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