Zobrazeno 1 - 10
of 30
pro vyhledávání: '"O. D. Neikov"'
Publikováno v:
Powder Metallurgy and Metal Ceramics. 60:635-642
Publikováno v:
Powder Metallurgy and Metal Ceramics. 54:364-373
The novel drying process combines conduction and convection in cocurrent flow of the heat carrier and dried material for conductive heat and mass transfer and in countercurrent flow of the air–vapor mixture and dried material for convective heat an
Autor:
O. D. Neikov, A. V. Samelyuk, E. A. Potipaka, V. G. Tokhtuev, G. I. Vasil’eva, V. A. Zhoga, I. I. Odokienko
Publikováno v:
Powder Metallurgy and Metal Ceramics. 53:505-513
Water atomized powders of aluminum and aluminum alloys produced at a melt temperature of 690−1350°C and a water pressure of 2.0−16.0 MPa are studied. It is established that the melt temperature and the water pressure in these ranges hardly affec
Autor:
N. P. Zakharova, A.I. Sirko, A. V. Samelyuk, V. A. Goncharuk, N. A. Efimov, G. I. Vasil’eva, A. O. Sharovskii, R. K. Ivashchenko, O. D. Neikov
Publikováno v:
Powder Metallurgy and Metal Ceramics. 52:144-153
A high-temperature Al–8Cr–1.5Fe alloy has been developed for applications in the range from room temperature to 300°C. The billets are obtained in two ways: using gas-atomized and water-atomized powders. Structural analysis shows that particles
Autor:
N. P. Zakharova, A. O. Sharovskii, Yu.V. Milman, R. K. Ivashchenko, A.I. Sirko, G. I. Vasil’eva, V. G. Tokhtuev, N. V. Semenov, O. D. Neikov
Publikováno v:
Powder Metallurgy and Metal Ceramics. 52:58-66
The effect of doping with transition refractory metals on the structure and properties of Al–Zn–Mg alloys produced by different methods is studied. It is ascertained that the strength of cast alloys is increased by scandium and zirconium doping d
Autor:
A. V. Krainikov, O. D. Neikov
Publikováno v:
Powder Metallurgy and Metal Ceramics. 51:554-565
The strength and plasticity of a series of rapidly solidified high-temperature aluminum alloys determined in tensile tests are analyzed over a wide temperature range. The properties of the following systems are studied: Al–Fe–Ce, Al–Fe–Cr–(
Autor:
A. V. Krainikov, O. D. Neikov
Publikováno v:
Powder Metallurgy and Metal Ceramics. 51:399-411
The paper examines the phase composition of a number of high-temperature aluminum alloys formed in rapid solidification. The main strengthening phases and associated phase transitions in Al–Fe–Ce, Al–Fe–Cr–(TM), Al–Cr–Zr(Mn), and Al–F
Autor:
N. G. Chaikina, Yu.V. Milman, O. D. Neikov, A.I. Sirko, A. I. Sharovskii, V. A. Goncharuk, A. V. Samelyuk, R. K. Ivashchenko, N. P. Zakharova, N. I. Danilenko
Publikováno v:
Powder Metallurgy and Metal Ceramics. 49:430-437
The paper examines how scandium and zirconium doping of Al–Mg alloys produced by conventional casting and powder metallurgy methods influences their structure and mechanical properties. It is shown that Al–Mg powder alloys are not recrystallized
Publikováno v:
Powder Metallurgy and Metal Ceramics. 49:280-288
The structure and mechanical behavior of bulk Al–Cu–Fe materials sintered at high hydrostatic pressure are studied at room temperature. Quasicrystalline Al63Cu25Fe12 and Al62.7Cu25Fe12Sc0.3 powders and Al66Cu18Fe8Cr8, powder, which is the quasicr
Publikováno v:
Powder Metallurgy and Metal Ceramics. 49:110-115
A system for the confinement and aspiration of dust and gas emissions is developed. A movable casing installed on an induction crucible furnace prevents air contamination when melt is prepared and atomized to produce copper powders and alloys. The co