The Effect of Al Particles Size on the Thermal Behavior and Kinetics of Al-MnO2 Thermite System
Advances in Materials Science and Engineering, 2020 Micron-MnO2 powder has unique thermal decomposition process compared with other metal oxides, and the different characteristics of components in thermite could affect the thermal performance of the whole system directly.
Jia-xing Song +9 more
doaj +1 more source
Effect of microscale W elements on microstructure and properties of CoCrFeNiMnAl high entropy alloys
Cailiao gongcheng, 2022 High entropy alloys (HEAs) show better wear resistance and corrosion resistance than traditional alloys, which has gradually become a research hotspot in the field of metal materials.
ZHANG Hao +4 more
doaj +1 more source
Explosive Burning of a Mechanically Activated Al and CuO Thermite Mixture
Energies, 2022 The results of experiments to determine the role of structural schemes for the ignition of a mechanically activated thermite mixture Al–CuO and the formation of its combustion flame are presented.
Alexander Dolgoborodov +4 more
doaj +1 more source
Evaluation of the calorific value of exothermic sleeve material by the adiabatic calorimeter
High Temperature Materials and Processes, 2022 Recently, casting simulations have been used to improve the product quality and the yield during casting. However, there are cases in which the simulation results do not reproduce the defects in the product. Although accurate physical property values are
Hoang Ngo Nhu +2 more
doaj +1 more source
In Situ Formation of TiB2/Al2O3-Reinforced Fe3Al by Combustion Synthesis with Thermite Reduction
Metals, 2018 Fabrication of Fe3Al–TiB2–Al2O3 composites with a broad range of phase compositions was studied by combustion synthesis involving aluminothermic reduction of oxide precursors. Two reaction systems composed of elemental Fe, amorphous boron, and a thermite
Chun-Liang Yeh, Chih-Yao Ke
doaj +1 more source
Applied Sciences, 2021 This paper describes a kinetic model dedicated to thermite nanopowder combustion, in which core equations are based on condensed phase mechanisms only. We explore all combinations of fuels/oxidizers, namely Al, Zr, B/CuO, Fe2O3, WO3, and Pb3O4, with 60 %
Sarah Brotman +4 more
doaj +1 more source
Advancing boron-based thermites via TiB2 as a fuel
Defence TechnologyThermite is widely utilized in fields such as munitions, propulsion, welding, and materials synthesis. In particular, boron (B)-based thermites have shown promising thermochemical properties due to the high energy densities of B. However, challenges such
Dunhui Xu +5 more
doaj +1 more source
Formation mechanism of Fe-Mo master alloy by aluminothermic reduction of MoS2-Fe2O3 in the presence of lime [PDF]
Journal of Mining and Metallurgy. Section B: Metallurgy, 2018 The reaction mechanism of MoS2-Fe2O3 aluminothermic reduction in the presence of lime using microwave-assisted combustion synthesis method was surveyed. Achieving technical feasibility in one-step production of ferromolybdenum along with sulfur removing ...
Golmakani M.H. +2 more
doaj +1 more source
Effects of disordered microstructure and heat release on propagation of combustion front
Cogent Engineering, 2016 Numerical experiments for diagnosis of combustion of actual heterogeneous systems are performed on a one-dimensional chain. The internal microstructure of actual heterogeneous systems is apriori unknown, various distributions like uniform, beta, and ...
Tarun Bharath Naine +1 more
doaj +1 more source
Effects of oxidizer structure on thermal and combustion behavior of Fe2O3/Zr thermite
Materials Research Express, 2021 Performance of MOF-derived micrometer porous Fe _2 O _3 as the oxidizer in Zr-fuelled thermite is compared with commercial nano-sized Fe _2 O _3 by characterizing thermal and combustion behavior of Fe _2 O _3 /Zr mixture via differential scanning ...
Chunhong Li, Xiaoli Kang
doaj +1 more source