Dongsen Zheng

ORCID: 0000-0003-0630-0250
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About
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Research Areas
  • Energetic Materials and Combustion
  • Thermal and Kinetic Analysis
  • Rocket and propulsion systems research
  • Gout, Hyperuricemia, Uric Acid
  • Case Reports on Hematomas
  • Flame retardant materials and properties
  • Nuclear Materials and Properties
  • Catalytic Processes in Materials Science
  • High-Velocity Impact and Material Behavior
  • Synthesis and properties of polymers
  • Combustion and Detonation Processes
  • Molten salt chemistry and electrochemical processes
  • Silicone and Siloxane Chemistry
  • Engineering and Material Science Research
  • Alcohol Consumption and Health Effects

Beijing Institute of Technology
2021-2024

China Pharmaceutical University
2016

Developing superior properties of epoxy resin composites with high fire resistance, light smoke, and low toxicity has been the focus research in flame-retardant field. In particular, it is essential to decrease emissions toxic gases smoke particles generated during thermal decomposition (EP) satisfy industrial requirements for environmental protection safety. Consequently, PZS@ZIF-67 composite was designed synthesized by employing hydroxyl group-containing polyphosphazene...

10.3390/polym13162646 article EN Polymers 2021-08-09

Abstract As a novel energetic material, 5‐Amino‐1 H ‐tetrazole (5AT) has history of proposed applications in the fields airbags, rocket engines, and new propellants. However, application 5AT is limited for its poor combustion stability. Identification thermal behaviour pyrolysis mechanism could provide guidance on control behaviour, which can be effectively improved by adding oxidizers. In this paper, five kinds oxidizers (Ammonium perchlorate (AP), Sodium (NaClO 4 ), Ammonium nitrate (AN),...

10.1002/prep.202300024 article EN Propellants Explosives Pyrotechnics 2023-03-15

TATB and TATB-d6 were synthesized using phloroglucinol as raw material. Their molecular structure micromorphology of them well characterized by FTIR, NMR spectroscopy, XRD FE-SEM. The thermal behaviors these compounds studied with TG-DSC, the non-isothermal kinetic decomposition parameters two gained method Friedman (FM). apparent activation energy value was larger than that TATB, which indicated heat stabilization deuterated particles improved. Finally, detonation critical temperatures...

10.1080/07370652.2022.2108164 article EN Journal of Energetic Materials 2022-08-03

Abstract The combustion of traditional pyrotechnics will pose great risks to the environment and human health. Although sulfur‐free prepared from metals or expired military gunpowder have been used solve this problem, high sensitivity them has resulted in insufficient safety. Therefore, new eco‐friendly safe are urgently needed. In study, we novel metal‐free pyrotechnic compositions for fireworks based on 5‐amino tetrazole. optimized formulations proposed by calculation. Particle size...

10.1002/prep.202400024 article EN Propellants Explosives Pyrotechnics 2024-10-01

Searching for efficient additives explosives and propellants is always desirable but challenging. To understand the contribution of LiAlH 4 to decomposition process RDX, thermal behaviors cyclotrimethylenetrinitramine (RDX) with without addition were investigated by TG-DSC. The main pyrolysis gas products RDX RDX/LiAlH compared combining TG-FTIR TG-MS techniques, influence on pathways was analyzed. results show a strong interaction between during decomposition, peak temperature decreases...

10.2139/ssrn.4160014 article EN SSRN Electronic Journal 2022-01-01

5-amino-1H-tetrazole(5AT) has recently attracted attention as an environmental-friendly energetic material used in novel propellants. Nevertheless, the poor combustion characteristics of 5AT still need to improve. The employment nitrocellulose (NC) and KNO 3 have been widely popularized pyrotechnics explosives application areas. Research on pyrolysis mechanism will facilitate exploration 5AT-based pyrotechnics. In this paper, 5AT/NC-based are prepared via a modified evaporation solvent...

10.2139/ssrn.4132931 article EN SSRN Electronic Journal 2022-01-01
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