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Article
Development of a Magnetic System to Stabilize the Extended Evaporation Zone at the Cathode of the Vacuum Arc Discharge in Ion–Plasma MAP Plants
The results of mathematical simulation of the distribution of the magnetic field lines on the cathode surface in an MAP plant are presented, and the main features of the cathode evaporation from the coating ma...
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Article
Thermophysical properties for hafnium carbide (HfC) versus temperature from 2000 to 5000 K (experiment)
Hafnium carbide HfC (at%: 42%C; 49%Hf; 7%O) was investigated under rapid heating by a current pulse, in a time of 5–8 μs. The temperature was measured by radiance of a flat surface of a carbide plate (thicknes...
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Article
Structure and Microporosity of Ion-Plasma Condensed Coatings Deposited from a Two-Phase Vacuum-Arc Discharge Plasma Flow Containing Evaporated Material Microdroplets
The structure of “thick” (up to 100 μm) condensed ion-plasma multicomponent coatings deposited from a two-phase vacuum-arc metallic plasma flow containing “liquid” and “solid” microdroplets of an evaporated ma...
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Article
Dam** Capacity of Coated Plane VT6 Titanium Alloy Samples
The dam** capacity of a VT6 titanium alloy sample is shown to depend on the thickness of a new designed Al–Ni–Y alloy coating during vibrodynamic tests at the first flexural mode resonance frequency. The coa...
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Article
Thermophysical properties of multicomponent nickel-chromium alloy VSDP-3 upon melting and in the liquid phase
The study of the high-temperature properties of a complex composition (Ni–Cr–Al–Re–Hf–Y) alloy was performed under the rapid heating of the foil by a single pulse current during a few microseconds. The alloy m...
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Article
Erosion-resistant coatings for gas turbine engine compressor blades
The erosion-resistant ZrN and Cr3C2 coatings intended for the protection of the titanium and steel blades in a GTE compressor are studied. The erosion resistance of the substrate–coating composition is shown to d...
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Article
Corrosion-resistant coating for GTE compressor parts made of steels with low tempering temperatures
The corrosion resistance of an Ni–Co–Cr–Al–Si–Y + SPh (SPh is silicophosphate impregnation) alloy coating on 30Kh13, 38Kh2MYuA, VKS5, and VKS7 structural steels with low tempering temperatures has been studied...
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Article
Surface modification of compressor steels using thermally assisted ionic diffusion in the titanium plasma of a vacuum arc discharge
The thermally stimulated ionic diffusion (ionic modification) of titanium ions at the surfaces of EP866 and EI961 compressor steels is considered in the plasma of the high-current vacuum-arc discharge (VAD) in...
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Article
Corrosion-resistant antifretting coating for the protection of blade locking pieces in GTE compressors and fans
The properties of a corrosion-resistant antifretting coating on EP866Sh steel and VT8M-1 titanium alloy samples are studied. The results of corrosion resistance, heat resistance, fretting resistance, long-term...
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Article
Development of Ion-Plasma Refractory Metallic Layers of Heat-Insulating Coatings for Cooled Turbine Rotor Blades
Alloys ZhS32 and ZhS36 with heat-protection coatings (HPC) consisting of external ceramic layers and internal refractory metallic layers are studied. The coated alloys are tested for heat fastness and high-tem...
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Article
New process of ion surface modification of compressor steel in the vacuum arc plasma of titanium
A new process of ion modification of the surfaces of EI961 and EP866 compressor steels by titanium in the plasma of high-current vacuum arc discharge in an ion-plasma MAP-3 device is studied and compared to th...
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Article
Diffusion aluminide coatings for protecting the surface of the internal space of single-crystal turbine blades made of rhenium- and rhenium-ruthenium-containing high-temperature alloys: Part II
The production of heat-resistant aluminide and chromium aluminide protective coatings with a barrier layer, which is based on the carbides of the refractory elements of a nickel superalloy, is considered for t...
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Article
Heat-resistant coatings for the high-pressure turbine blades of promising GTEs
Heat-resistant coatings are considered for the external surface of high-pressure turbine (HPT) single-crystal blades for promising gas turbine engines (GTEs) made from carbon-free nickel superalloys with rheni...
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Article
Structure and phase composition of single-crystal alloy VZhM-4 with gas-circulation protective coating
The structure and phase composition of nickel high-temperature alloy VZhM-4 and of a gas-circulation aluminide coating on it are studied.
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Article
Properties of nanolayer erosion-resistant coatings based on metal carbides and nitrides
Vacuum-arc ion-assisted deposition is used to form nanolayer protective 2D coatings based on the nitrides or carbides of titanium and chromium, vanadium carbide, and aluminum nitride with a layer thickness of ...
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Article
Erosion-resistant metal nitride coatings and carbide and their plasmochemical synthesis
The influence of ion-plasma coatings made from high-hardness metal compounds on the erosion and corrosion resistance and mechanical properties of the alloy (substrate) + coating system is studied. The influenc...
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Article
Ion-plasma heat-resistant coatings with composite barrier layer for protecting alloy ZhS36VI FROM oxidation
Multilayer heat-resistant ion-plasma coatings for protecting alloy ZhS36VI for turbine rotor blades from high-temperature oxidation are considered. Metallographic and microscopic x-ray spectrum studies of the ...
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Article
Ion-plasma erosion-resistant nanocoatings based on metal carbides and nitrides
The erosion, corrosion, and heat resistance of alloy/ion-plasma nanolayer coating compositions based on TiC and CrC carbides and TiN, CrN, ZrN, and AlN nitrides are studied. The effect of the nanolayer thickne...
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Article
Ion-plasma processes of the production of diffusion aluminide coatings
A novel ion-plasma process for ecologically safe formation of diffusion aluminide coatings on a substrate made of a superalloy, which has advantages as compared to the well-known thermodiffusion processes of t...
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Article
Erosion-resistant coatings for gas turbine compressor blades
The effect of ion-plasma coatings made from high-hardness metal compounds on the erosion and corrosion resistance and the mechanical properties of alloy (substrate) + coating compositions is comprehensively st...
