A5022261362- Microstructure and mechanical properties
- High-Velocity Impact and Material Behavior
- Aluminum Alloys Composites Properties
- Metal and Thin Film Mechanics
- Structural Response to Dynamic Loads
- Magnesium Alloys: Properties and Applications
- Metallic Glasses and Amorphous Alloys
- Muon and positron interactions and applications
- Membrane Separation and Gas Transport
- Electromagnetic Launch and Propulsion Technology
- Mechanical Behavior of Composites
- Energetic Materials and Combustion
- Metal Extraction and Bioleaching
- Minerals Flotation and Separation Techniques
- Advanced ceramic materials synthesis
- Copper Interconnects and Reliability
- Aluminum Alloy Microstructure Properties
- Membrane-based Ion Separation Techniques
- Microstructure and Mechanical Properties of Steels
- Titanium Alloys Microstructure and Properties
- Advanced materials and composites
- Boron and Carbon Nanomaterials Research
- Conducting polymers and applications
- Elasticity and Material Modeling
- Advanced Welding Techniques Analysis
Wuhan University
2025
Hunan University of Science and Technology
2025
Northwestern Polytechnical University
2015-2024
Guangxi University for Nationalities
2024
Central South University
2015-2019
Harbin Institute of Technology
2010
Zen-Noh (Japan)
2006
Stony Brook University
2001
State University of New York
2001
China Iron and Steel Research Institute Group
1997
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTFree-volume distributions of polystyrene probed by positron annihilation: comparison with free-volume theoriesJ. Liu, Q. Deng, and Y. C. JeanCite this: Macromolecules 1993, 26, 7149–7155Publication Date (Print):December 1, 1993Publication History Published online1 May 2002Published inissue 1 December 1993https://pubs.acs.org/doi/10.1021/ma00078a006https://doi.org/10.1021/ma00078a006research-articleACS PublicationsRequest reuse permissionsArticle...
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTFree-volume distributions of an epoxy polymer probed by positron annihilation: pressure dependenceQ. Deng and Y. C. JeanCite this: Macromolecules 1993, 26, 1, 30–34Publication Date (Print):January 1993Publication History Published online1 May 2002Published inissue 1 January 1993https://pubs.acs.org/doi/10.1021/ma00053a005https://doi.org/10.1021/ma00053a005research-articleACS PublicationsRequest reuse permissionsArticle...
Additive manufacturing (AM) has become one advanced method for continuous carbon fiber reinforced polymer (CCFRP) composites, which is promising to work as aerospace materials. To promote their efficient design and extensive application, series of tensile fiber-pullout tests were implemented investigate the rate-dependent mechanical behavior fracture mechanism. Both strength strain significantly increase with rate in studied range 0.0001–1600 s−1. Fiber-pullout test also confirms that...
Abstract Free‐volume hole sizes, fractions, and distributions in a series of polycarbonate‐based polymers are measured by using positron annihilation lifetime (PAL) spectroscopy. Correlations between the obtained free‐volume properties gas diffusion coefficients observed. © 1995 John Wiley & Sons, Inc.
The Hopkinson tension bar technique is widely used and the only method utilized to measure mechanical behaviors of materials under a high strain rate; however, many fundamental problems still exist that need be made clear, which directly link measurement accuracy. In this work, these are elaborately investigated theoretically experimentally, with aid novelly designed integrated bar. Firstly, calibration for dynamical parameters proposed experimentally obtained by one-dimension stress wave...
Abstract We have directly measured the free‐volume hole distributions in semicrystalline polypropylene by positron lifetime annihilation spectroscopy. A Laplace inversion technique was engaged to analyze spectra under quasi‐isotropic external pressures of 0, 4.2, and 14.7 kbar into continuous distributions. The radii as determined from ortho ‐positronium are found be between 4.0 0.5 Å maxima at 3.0, 1.9, 1.1 kbar, respectively. © 1992 John Wiley & Sons, Inc.
Hopkinson bar loading technique needs theoretical instruction for desired stress waves, to achieve controllable deformation under constant high strain rate loading, it is the indispensable access while investigating material's rate-dependence and mechanism transient loading. In this work, experimental studies are focused on involved issues. Firstly, deduction based wave theory performed true equation formulated of an ideal incident different materials. The waves further clarified by case...
Hopkinson bar has already worked to measure mechanical properties of materials under high strain rates, but it fails conduct intermediate rates loading with considerable deformation. Thereby, a methodology is proposed for achieving enough large strains rates. The experimental system based on then constructed: striker same length as incident selected generate continuous stress wave loading, and long polymethylmethacrylate preferred the transmitted guide record signals. Thus, achievable nearly...