Zobrazeno 1 - 10
of 53
pro vyhledávání: '"V. V. Pasichnyi"'
Autor:
O. O. Zubarev, O. M. Grigoriev, I. P. Neshpor, G. F. Gorbachev, T. V. Mosina, V. P. Konoval, V. V. Pasichnyi
Publikováno v:
Powder Metallurgy and Metal Ceramics. 55:355-360
The interaction mechanism in the (ZrB2–MoSi2) composite–molten basalt system is studied at different temperatures to examine the use of boride ceramics to replace platinum alloy for the manufacture of bushings. The wetting in the (ZrB2–MoSi2)
Autor:
I. V. Kud, I. V. Uvarova, L. S. Likhoded, L. I. Eremenko, D. P. Zyatkevich, V. V. Pasichnyi, S. A. Ostapenko
Publikováno v:
Powder Metallurgy and Metal Ceramics. 54:304-308
New oxidation- and heat-resistant materials based on a molybdenum solid solution (MoxCryTazSi2) have been tested by high-temperature cyclic heating and cooling in air in the range 300–1600°C. Compact samples of the solid solutions show high heat r
Autor:
T. V. Mosina, O. M. Grigoriev, G. O. Frolov, O. V. Koroteev, I. P. Neshpor, Alla D. Panasyuk, V. V. Pasichnyi
Publikováno v:
Powder Metallurgy and Metal Ceramics. 54:189-193
The behavior of ZrB2–MoSi2(SiC) and ZrB2–SiC–ZrSi2 ceramics under concentrated solar radiation is examined. The effect of zirconium silicide and molybdenum silicide admixtures on the formation of protective oxide layers on the ultrahigh-tempera
Autor:
Ya. I. Yevich, A. V. Kotlyarchuk, G. B. Tovstonog, O. Ye. Sych, S. O. Ostapenko, N. D. Pinchuk, V. V. Pasichnyi
Publikováno v:
Powder Metallurgy and Metal Ceramics. 54:175-182
Calcium–phosphate ceramics based on monetite and nanosized silica are produced by sintering at 500°C. It is established that phase changes and solid-phase reactions occur during sintering to form ceramics that contain β-calcium pyrophosphate (Ca2
Autor:
V. V. Efremov, O. B. Shcherbina, A. A. Yanichev, V. V. Pasichnyi, M. N. Palatnikov, N. V. Sidorov
Publikováno v:
Inorganic Materials. 49:909-915
The structure and mechanical characteristics of ceramic Nb2O5 and ceramic materials produced from coprecipitated Nb2(1 − y)Ta2yO5 pentoxides by a conventional ceramic processing technique and exposure to high-intensity light have been studied by sc
Autor:
V. D. Belik, V. V. Pasichnyi, A. A. Rogozinskaya, A. M. Bloshchanevich, M. S. Koval'chenko, R. V. Litvin
Publikováno v:
Powder Metallurgy and Metal Ceramics. 51:178-185
The effect of preliminary treatment of a steel substrate on the dynamic properties of cathode jets during electrospark deposition is studied. The energy of cathode jets is determined indirectly using the strain hardening of the electrode surface laye
Publikováno v:
Strength of Materials. 44:404-409
A procedure for the comparative assessment of the heat resistance of ceramics using radiant heating in an URAN-1 optical furnace has been developed. To measure the specimen surface temperature, an IGA-100 high-speed high-precision pyrometer in combin
Autor:
V. I. Zenkov, V. V. Pasichnyi
Publikováno v:
Powder Metallurgy and Metal Ceramics. 49:231-237
The paper examines the physicochemical features of the reduction of iron oxides (as multicomponent scale waste) in various gases: H2, CH4, CO, and generator gas containing 33% CO and 67% N2. At the initial stage of reduction, the activity of the gase
Autor:
O. V. Paustovs’kyi, V. I. Novikova, N. M. Mordovets, V. E. Shelud’ko, S. O. Ostapenko, I. I. Tymofeeva, L. P. Isaeva, O. D. Kostenko, V. V. Pasichnyi, O. H. Molyar
Publikováno v:
Materials Science. 45:804-809
We have established that electric-spark alloyed TiN, TiB2, and Mo coatings improve substantially the tribotechnical characteristics of VT22 titanium alloy. It has been shown that an increase in the slip velocity from 1.0 to 10 m/sec increases the wea
Publikováno v:
Powder Metallurgy and Metal Ceramics. 48:718-722
The paper examines the use of tungsten-containing waste to develop a copper-based microheterogeneous antifriction material. The effect of copper tungstate CuWO 4 on the tribotechnical properties of antifriction material Cu-Sn-CuWO 4 -MoS 2 is analyze