International Journal of Self-Propagating High-Temperature Synthesis

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Combustion synthesis and characterization of Fe-Ni alloys
International Journal of Self-Propagating High-Temperature Synthesis - - 2011
Y. H. Kang, L. Wang, L. C. Fu, J. Yang, Q. L. Bi, W. M. Liu
A simple and inexpensive method for combustion synthesis of the series of Fe-x%Ni martensite alloys (x = 15, 20, 23, 25 at %) was developed. XRD, SEM, and TEM examinations showed that all the products were composed of lath martensite and retained austenite. With increasing nickel content, the hardness and yield strength decreased gradually, which originated from the differences in phase compositio... hiện toàn bộ
Electrothermographic study of reactive multilayer nanofoils
International Journal of Self-Propagating High-Temperature Synthesis - Tập 17 - Trang 222-226 - 2008
A. S. Rogachev, H. E. Grigoryan, S. L. Kharatyan, H. A. Chatilyan, E. V. Illarionova, P. A. Tsygankov
For the first time, the kinetics of heterogeneous reactions in nanofoils was studied by electrothermographic method. During combustion, the electrical resistance of reactive multilayer Ti/Al nanofoils strongly changes, which was used to determine an evolution of the extent conversion during reaction.
Shock-assisted SHS in Ni-Al mixtures: Computer simulation
International Journal of Self-Propagating High-Temperature Synthesis - Tập 18 Số 3 - Trang 139-144 - 2009
В. Н. Лейцин, М. А. Дмитриева, Т. В. Колмакова
Gasless Combustion in Combined Binary Mixtures Containing Low-Melting Reagent: Mathematical Model
International Journal of Self-Propagating High-Temperature Synthesis - Tập 30 - Trang 127-131 - 2021
V. G. Prokof’ev, O. V. Lapshin
Gasless combustion in the combined binary mixtures formed by alternating non-activated and mechanically activated layers containing low-melting reagent was mathematically modelled in a macroscopic approximation, with account for a phase transformation (melting) in a low-melting reagent. The phase transition was found to either decelerate or accelerate combustion: the former happens when some amoun... hiện toàn bộ
Mn–Zn Ferrite Nanoparticles by Calcining Amorphous Products of Solution Combustion Synthesis: Preparation and Magnetic Behavior
International Journal of Self-Propagating High-Temperature Synthesis - - 2022
K. D. Martinson, V. E. Belyak, D. D. Sakhno, M. I. Chebanenko, I. B. Panteleev
Mn–Zn ferrite nanopowders were obtained by calcining diffraction-silent products of solution combustion at 650, 700, and 750°C and characterized by DTA/TGA, XRD, FTIR, SEM/EDX, ASA, and vibrational magnetometry. According to the data of synchronous thermal analysis, the formation of the manganese-zinc ferrite phase took place at 456°C. The results of powder X-ray diffractometry confirmed that, in ... hiện toàn bộ
Synthesis of nanocrystalline boron nitride by combustion process
International Journal of Self-Propagating High-Temperature Synthesis - Tập 18 - Trang 34-37 - 2009
L. J. Berchmans, B. Bharathi, K. Amalajyothi, K. Subramanian
Nanocrystalline boron nitride powders were synthesized by combustion process using urea as a fuel. Experiments were carried out by heating boric acid and urea in an N2 atmosphere at 850°C. Boric acid was used as a source of boron while urea, as a source of nitrogen. The reactions were carried out in an autoclave with provisions for purging with nitrogen gas. The samples were characterized by powde... hiện toàn bộ
Subtle Details in Crystal Structure of SHS Products by DFT Calculations
International Journal of Self-Propagating High-Temperature Synthesis - Tập 30 - Trang 15-21 - 2021
S. V. Konovalikhin, I. I. Chuev, D. Yu. Kovalev, S. A. Guda, V. I. Ponomarev
Total energy ab-initio calculations for some SHS products were performed by DFT method using VASP program package. The results of calculations along with XRD results and crystallographic modeling were used to explain specific features of the composition/structure of selected SHS products.
Mechanochemical treatment of silicon dioxide as an effective tool for regulating the SHS of composites
International Journal of Self-Propagating High-Temperature Synthesis - Tập 20 - Trang 241-247 - 2012
N. N. Mofa, Z. A. Mansurov, S. Kh. Aknazarov
For SiO2 + 37.5% Al blends, the effect of mechanoactivation (MA) on the kinetics of combustion was studied upon variation in MA conditions and in a size of green samples. MA and the use of modifying agents were found to elevate the burning velocity, combustion temperature, and extent of conversion.
Granulation as a tool for stabilization of SHS reactions
International Journal of Self-Propagating High-Temperature Synthesis - Tập 26 - Trang 134-136 - 2017
R. A. Kochetkov, B. S. Seplyarskii
Synthesis of Ti-Al-based materials by thermal explosion
International Journal of Self-Propagating High-Temperature Synthesis - Tập 19 - Trang 285-291 - 2011
O. D. Boyarchenko, O. K. Kamynina, A. E. Sytschev, S. G. Vadchenko, I. Gotman, L. M. Umarov
Ti-Al-based materials reinforced with TiC and TiB2 particles were prepared by thermal explosion in compacted (Ti + 0.3B4C) + xAl and (Ti + 3Al) + yB4C blends. The structure/properties of synthesized materials were characterized by XRD, SEM, and mechanical testing. An increase in x was found to affect the microstructure of products (lower grain size) and to have no influence on reaction temperature... hiện toàn bộ
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