Results 1 to 10 of about 454 (163)

Effects of Different Nanocarbon Materials on the Properties of Al/MoO3/NCM Thermite Prepared by Electrostatic Spinning [PDF]

open access: yesNanomaterials, 2022
In order to improve thermal conductivity, energy performance, and combustion performance of the aluminum-containing thermite, nanocarbon materials were added to thermite. Aluminum/molybdenum and trioxide/nanocarbon materials (Al/MoO3/NCM) were fabricated
Mi Zhang   +4 more
doaj   +2 more sources

Effect of Bismuth Oxide Particles Size on the Thermal Excitation and Combustion Properties of Thermite Systems [PDF]

open access: yesChemistryOpen, 2021
The influence of Bi2O3 particles size at the sub‐micron scale on the thermal excitation threshold and combustion performance of nano‐thermite systems was investigated.
Dr. Shi Li   +6 more
doaj   +2 more sources

Experimental study of a cryogenic pneumatic thrower for launching soft projectiles in avalanche protection [PDF]

open access: yesScientific Reports
A novel cryogenic pneumatic launcher for remote avalanche initiation has been developed and experimentally investigated. The system uses liquid nitrogen as a working medium, with its explosive evaporation triggered by the heat of a thermite reaction. The
A. Tasmukhanova   +10 more
doaj   +2 more sources

The Role of Graphene Oxide in the Exothermic Mechanism of Al/CuO Nanocomposites [PDF]

open access: yesMolecules, 2022
Metastable intermixed composites (MICs) have received increasing attention in the field of energy materials in recent years due to their high energy and good combustion performance.
Jiaxin Su   +4 more
doaj   +2 more sources

Synthesis of trifluoroacetic acid encapsulated aluminium nanoparticles and reactivity characterisation via Al/CuO nanothermites [PDF]

open access: yesRSC Advances
This paper reports on the synthesis of aluminium nanoparticles (Al NPs) encapsulated with a trifluoroacetic acid (TFA) protective layer and the characterisation of their reactivity using Al/CuO nanothermite as a test platform. The Al NPs were synthesised
Ying-Shuo Cheng   +3 more
doaj   +2 more sources

Research on temperature propagation law based on thermite plugging and abandonment technology [PDF]

open access: yesE3S Web of Conferences, 2022
The continuous exploration and development of oil wells increases the risk of leakage from abandoned wells and brings challenges to the traditional plugging and abandonment technology.
Sun Ruitao   +6 more
doaj   +1 more source

The Efficiency of Thermite-Assisted Underwater Wet Flux-Cored Arc Welding Process: Electrical Dependence, Microstructural Changes, and Mechanical Properties

open access: yesMetals, 2023
Alumino-thermic additions to the flux-cored wire can be utilized to enhance welding heat input, improve welding productivity, and minimize the dependency on power sources in the air environment.
Jibo Wang   +7 more
doaj   +1 more source

Numerical simulation on temperature field and residual stress field in thermite welding of pipelines

open access: yesYou-qi chuyun, 2022
During the thermite welding of in-service oil pipelines, empirical values are often used for the dosage of aluminum powder welding flux, and the uncertainty of temperature and residual stress generated during the welding poses a serious threat to the ...
ZHAO Hongtao   +4 more
doaj   +1 more source

Enhancement of thermal properties of Al/MoO3 thermite by electrostatic spraying

open access: yesEngineering Reports, 2023
To improve the thermal properties of thermite safely and stably, electrostatic spraying was used to prepare the Al/MoO3 thermite. The Al/MoO3 thermites were detected and characterized by scanning electron microscopy (SEM) and X‐ray diffraction (XRD), and
Jialin Chen   +5 more
doaj   +1 more source

Organic and Inorganic Biocidal Energetic Materials for Agent Defeat Weapons: An Overview and Research Perspectives

open access: yesEnergies, 2023
A critical survey concerning biocidal energetics is proposed according to a classification depending on their chemical structure. The need of optimizing the performances of such compounds is an important target for the inertization of biological weapons,
Andrea Pietro Reverberi   +6 more
doaj   +1 more source

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