Depending on the requirements made to operational characteristics of parts, there are three types of coatings:
protective coatings for protecting the parts from corrosion in various aggressive environments, as well as at high temperatures;
protective and decorative coatings for the decoration of parts with simultaneous protection from corrosion
special coatings applied to confer special properties for the surface (wear-resistance, hardness, electrically insulating, magnetic properties and others) as well as for the recovery of worn parts
ELECTROCHEMICAL (GALVANIC) TREATMENT
ELECTROLYTE-PLASMA POLISHING OF METALS AND ALLOYS
Removal of impurities, oxide films and scale. Smoothing of sharp edges, deburring
TECHNICAL CHARACTERISTICS
increased corrosion resistance
surface roughness, (0.05–0.12)
current density, A/cm2 (0.15–0.45)
operating voltage, V (220–340)
electrolyte temperature,°С (70–90)
processing time, min (0.5–10)
APPLICATION
processing of products made from stainless and carbon steels, copper, titanium and aluminum alloys when producing medical equipment and household appliances, electronics, jewelry. It is also applicable in mechanical engineering and watchmaking industries
ELECTROCHEMICAL OXIDATION OF ALUMINUM ALLOYS
Pulsed electrochemical process of a metal surface transformation into a decorative, strong and corrosion- resistant alumina ceramic coating
TECHNICAL CHARACTERISTICS
breakdown voltage, V (over 2000)
wear resistance, mm3 / N·m (1*10-8)
maximum thickness, μm (70)
thermal conductivity of the billet, W/m·K (120)
roughness, μm (0.05)
hardness, GPa (to 8)
APPLICATION
engineering products, electronic and watchmaking industries
ADVANTAGES
high corrosion resistance, hardness and wear resistance
good electrical insulation properties
it is possible to use the technology for the manufacturing of printed circuit boards, lighting equipment based on SMD LED elements
the subsequent decorative coloring of aluminum oxide is possible
CHEMICAL OXIDATION OF STEEL
Chemical oxide coating treated by oil
METAL TYPE
carbon steel
ADVANTAGES
corrosion resistance, increase of adhesive agent and paintwork material adhesion
decorative coating formation of deep black color on parts
maximum deviation in the dimensions of treated parts is 0,6-1,2 µm
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DIAMOND-LIKE COATINGS
DIAMOND-LIKE CARBON COATINGS FOR GERMANIUM WINDOWS AND ASPHERIC LENSES
Coatings are formed on the surface of the lenses by a combined PVD-CVD method and are designed to increase the transmission of infrared radiation in the wavelength range of 8–12 microns and protect the lens surface from unfavorable environmental factors
TECHNICAL CHARACTERISTICS
coating thickness, μm (1,08-1,25)
coating non-uniformity is not more than 4% for the aspheric lens with ø52 mm thick and radius of curvature is 54,33 mm; for the aspheric lens with ø37 mm
average reflection in the wavelength range of 8-12 microns does not exceed 2%
refraction index (2,2-2,5)
transmission of IR radiation with a single-sided coating of the lens, % (> 63)
adhesion (scratch testing) is more than 12 H and exceeds germanium cohesion
Diamond-like carbon wear-resistant coatings with low coefficient of friction are obtained by a combined PVD-CVD method that is specially developed for depositing thick diamond-like carbon coatings
TECHNICAL CHARACTERISTICS
coating thickness, μm (1-5)
hardness, HV (2000-3000)
coefficient of dry friction (0,06…0.1)
operating temperature, °С (up to 300)
APPLICATION
mills, drill, bearings operating in dry friction
ADVANTAGES
reduction of dry friction and surface energy of treated parts
prevention of the adherence of wear products
increase of the treatment accuracy and durability
DIAMOND-LIKE CARBON COATINGS FOR THREAD FEEDERS IN PRODUCTION OF FIBERGLASS
Coatings are deposited on products made of ‘spring’ steel and aluminum alloys by a pulsed cathodic arc method in an atmosphere of acetylene with surface pretreatment by electrolytic plasma processing methods
TECHNICAL CHARACTERISTICS
hardness, HV (2000–3000)
coefficient of non-lubricated friction (0,10-0,15)
operating temperature, °С (up to 350)
APPLICATION
chemical industry, production of fiberglass, carbon fiber and polymer filaments
ADVANTAGES
2–2.5 times increase in durability of the thread feeders
prevents stratification of the thread
suppression of corrosion and chemical interaction of the base material with chemicals
DIAMOND-LIKE CARBON COATINGS AND CHROMIUM NITRIDE COATINGS FOR CASTING MOULDS
Diamond-like carbon coatings and CrN coatings and the technology of their obtaining for preventing chemical and mechanical wear and adherence of plastics and non-ferrous metals on operating surface of steel casting moulds
TECHNICAL CHARACTERISTICS
coating thickness, μm (2,5-3,0)
hardness, GPa (18-25)
heat resistance (DLC), °С (up to 350)
heat resistance (CrN), °С (up to 350)
APPLICATION
casting moulds for plastics and non-ferrous metal
ADVANTAGES
multiply increase of the number of moulds closings
non-stick effect
improvement of casting quality
absence of the necessity for using special lubricants
THE TECHNOLOGY OF HYBRID ION-PLASMA STEEL SURFACE HARDENING IN A SINGLE VACUUM CYCLE
Technology of depositing superhard and at the same time brittle nanocomposite coatings on prehardened base using ion-beam nitriding in a single vacuum cycle that enables to increase the interaction of the coating-base system, prevents the deformation and cracking of the coating at mechanical treatment
TECHNICAL CHARACTERISTICS
coating thickness, μm (2,5-3,0)
depth of the nitride layer, μm (20-30)
hardness of the coating-base system, GPa (30-40)
4-7 times increase of crack resistance
adhesion increase of the coating to the base (more than 2 times)
APPLICATION
tools operating at impact loads and high cutting rate
ADVANTAGES
low time for nitriding without white layer formation
multiply increase of crack resistance and adhesion
single vacuum cycle of nitriding and coating deposition
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PROTECTIVE-DECORATIVE COATINGS
PROTECTIVE-DECORATIVE COATINGS
Deposition of multicomponent coatings from separated plasma flows is meant to protect products from corrosion and confer high protective and decorative properties
TECHNICAL CHARACTERISTICS
coefficient of wear resistance increase (2,5-5,0)
corrosion resistance score (6-8)
glitter, % (80-85)
APPLICATION
products from metal, glass, ceramics, plastics for the watch industry, furniture and leather fittings, consumer goods
ADVANTAGES
a wide range of colours
replace of ecologically harmful galvanic process
increased corrosion resistance in a few harsh chemical environments
PROTECTIVE-DECORATIVE DIAMOND LIKE CARBON COATINGS FOR WATCHES PARTS
Coatings are deposited by a combined PVD-CVD method on chromed basic part of watches and watches parts from stainless steel
TECHNICAL CHARACTERISTICS
coating thickness, μm (0,2 – 1,5)
hardness, HV (2000 – 3000)
adhesion (scratch testing), Н (>30)
APPLICATION
production of watches, artistic-decorative products, finish hardware
ADVANTAGES
wear and corrosion resistance
biological indifference
a possibility of obtaining the color-grade due to interference effect
PROTECTIVE-DECORATIVE COATINGS OF REFLECTING SHEET MATERIALS
Ion-plasma nanostructured TiN coatings of reflecting sheet materials
TECHNICAL CHARACTERISTICS
grade and dimensions (mm) of series-produced sheet materials
AISI-304 (0,5*495*1600)
AISI-430 (0,4*495*1600)
thickness of TiN coating 2 µm
APPLICATION
architecture and construction
ADVANTAGES
a reflecting sheet stainless steel with decorative golden color coating has increased resistance to plastic deformation
the durability of the color and gloss during operation in exposure atmospheric conditions is more than 50 years
PROTECTIVE-DECORATIVE COATINGS ON TITANIUM IMPLANTS
Improves the properties of biocompatibility, wear resistance and corrosion resistance of medical implants made from titanium alloys. Color coding of implants and fasteners simplifies the conduct of surgeries
TECHNICAL CHARACTERISTICS
coating thickness, μm (0.05–5.0)
color range of coatings (from red to blue, gray)
increased corrosion resistance, % (40)
APPLICATION
implants for traumatology, spine surgery, orthopedics, dentistry
ADVANTAGES
coatings provide the necessary biomedical and protective properties of the implant’s surface
characterized by the properties of biological inertness and bioactivity
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WEAR-RESISTANT COATINGS
WEAR-RESISTANT NANOCOMPOSITE COATINGS FOR METAL- AND WOODWORKING TOOLS
TiAlN:Si3N4, ZrCN:DLC coatings with ultradispersed grains of nitride ceramics in an amorphous matrix of silicon nitride or diamond-like carbon are formed by vacuum arc deposition in nitrogen and acetylene atmosphere from alloy cathodes
TECHNICAL CHARACTERISTICS
coating thickness, μm (3–5)
grain-crystallites size, nm (8–10)
hardness, GPa (up to 47)
upper limit of the operating temperature (TI-Al-Si-N), °С (780)
operation under shock loads (Zr-C-N)
APPLICATION
tool-making industry, metal and woodworking, wear resistance improvement of drills, mills, cutting dies, threading rolls, broaches and other metal and woodworking tools from alloy-treated steels and hard alloys
ADVANTAGES
increase of tool durability by 1.8–3 times
improvement of the treatment quality
increase of the performance characteristics of the tool under high temperatures and shock loads
WEAR-RESISTANT ANTIFRICTION COATINGS OF INTERNAL COMBUSTION ENGINES
Diamond-like carbon coatings with high surface smoothness and low coefficient of friction, containing fluorine and silicon in specified amounts, are specially designed for plunger pairs of a high-pressure fuel pump, pistons and piston rings, lift valves and gas distribution shafts
TECHNICAL CHARACTERISTICS
thickness of coatings
plunger pairs (of varying degrees of hardness), μm (from 0.1)
piston rings (of varying degrees of hardness), μm (up to 30 microns)
maximum operating temperature, °C (350)
APPLICATION
mechanical engineering, manufacture of internal-combustion engines, restoration of worn-out surfaces of plunger pumps
ADVANTAGES
reduction of friction
increase of life cycle of an engine’s moving parts
save of fuel and reduce of CO2 emissions
compliance with the standard for the manufacturing of Euro-5 engines
WEAR- AND CORROSION-RESISTANT MULTILAYER COATINGS
Deposition of multicomponent coatings (Ti, Al)N from separated plasma flows differing in increased corrosion resistance in a few harsh chemical environments and high resistance to abrasive wear
TECHNICAL CHARACTERISTICS
coefficient of wear resistance increase (2,5-5,0)
corrosion resistance grade (6-8)
APPLICATION
formable parts of molds and dies, piston rings, plunger pairs, rods, gas-fittings
ADVANTAGES
simultaneous wear resistance and anticorrosion-resistant properties
replace high alloyed steel with low alloyed steel at manufacturing critical parts
WEAR- AND CORROSION-RESISTANT MULTILAYER COATINGS
A combination of nanostructured layers based on refractory metals (Ti, Zr, Mo, Cr, etc.), their nitrides, carbides, carbonitrides, oxycarbonitrides and diamond-like carbon
TECHNICAL CHARACTERISTICS
number of coating layers (2–10)
coating thickness, μm (5–5)
microhardness, GPa (30…85)
operating temperature, ° С (400–1200)
increase in tool durability (2–5 times)
APPLICATION
metal-forming equipment, tools for metal, wood and plastic processing
ADVANTAGES
improves processing quality
reduces the processing time and costs for equipment readjustment
saves energy costs, resource saving
PLASMA-ARC WELDING OF METALLURGICAL COATINGS
Formation of wear-resistant (self-fluxing alloys of the Fe-Ni-Cr-C system, reinforced with nanodispersed carbon black) and antifriction (tin or tin-lead bronzes) coatings on mechanical engineering parts
TECHNICAL CHARACTERISTICS
coating thickness, mm (up to 5)
capacity, kg/h (from 1 to 5)
hardness, GPa (up to 12)
density (up to 0,88 – 0,96 of cast material)
coefficient of friction (0,05 – 0,2)
ELECTROCHEMICAL PROTECTIVE AND FUNCTIONAL COATINGS FOR THE MANUFACTURE OF SINGLE-CRYSTAL AND MULTI-CRESTAL DIAMOND TOOLS
Corrosion-resistant and wear-resistant metal and polymetallic coatings based on nickel, nickel-containing (Ni-W-C, Ni-Fe-Cr-C, etc.) dispersion-aging alloys, including high-entropy ones
TECHNICAL CHARACTERISTICS
microhardness, GPa (up to 12)
sliding friction coefficient (0,12-0,2)
APPLICATION
tools for treating metal, glass, superhard material and diamonds
Deposition of multiple-component coatings using metal cathodes (Ti, Zr, Cu, Cr, Al and others) in an environment of reaction gases during separation of the plasma stream in order to produce dense nanosized high-hardness coatings with a small friction coefficient
TECHNICAL CHARACTERISTICS
coating thickness, µm. (1–4)
microhardness, GPa (30–42)
friction coefficient (0.1–0.4)
thermal resistance, ºС (up to 1000)
wear resistance increase factor (1.5–3.5)
increase in efficiency of cutting operation, % (15–20)
reduction in operating costs factor (1.20–1.25)
APPLICATION
metal-cutting and wood-working tools made of high-speed steel and hard alloys, mechanical-engineering and tool- making enterprises
ADVANTAGES
reduction in tool wear rate by 1.5–3.5 times depending on a processed material
no need in using expensive composite cathodes
an opportunity of equipping of a production unit with a system of plasma stream separation
CORROSION-RESISTANT AND DECORATIVE POLYMETALLIC COATINGS BASED ON ZINC AND ZINC-NICKEL ALLOY FOR PARTS AND UNITS OF MACHINES AND MECHANISMS
Development of electrochemical coatings based on zinc, zinc-nickel alloy, two-layer coatings (zinc-nickel)- zinc, gradient zinc-nickel coatings, process of their application and electrolytes for their deposition. Coating for parts
APPLICATION
parts and units of machines and mechanisms operating in severe weather conditions and in aggressive industrial environments
ADVANTAGES
coating microhardness is 3-6 GPa
service life in corrosive environments up to 1000 hours
DEVELOPMENT OF PROTECTIVE OUTER LAYERS USING UNBALANCED MAGNETRON SPUTTERING
An opportunity of deposition of coatings based on metals, alloys, chemical compounds, polymer materials
TECHNICAL CHARACTERISTICS
maximum dimensions of processed items, mm (160×160×200)
magnetron current, А (up to 4.5)
maximum supply voltage, V (up to 700)
shift voltage of a substrate,V (up to 1500)
evaporation rate, µm /h (1–10)
APPLICATION
tribological engineering, machine-building and instrument engineering, microelectronics, medicine, tooling industry
ADVANTAGES
an opportunity of deposition of coatings at a comparatively low temperature
good adhesion of deposited coatings
an opportunity of work in the mode of stabilization of current or voltagee=”font-weight: 400;”>good adhesion of deposited coatings
an opportunity of work in the mode of stabilization of current or voltage
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METALLIZING OF ROLL MATERIALS
COATING APPLYING AND SURFACE ACTIVATION OF POLYMER ROLL MATERIALS
deposited coatings- metals, alloys and metal- and alloy-based chemical compounds
surface activation of polymer roll materials by low temperature plasma in argon environment
dimensions of processed roll materials
width, mm (up to 1000)
roll diameter, mm (up to 400)
material thickness, µm (from 20 to 300)
rewind speed, m/s (from 0.001 to 10)
output at single-shift work, t/month (up to 20)
APPLICATION
printing products (packaging), holographic products (product protection and identification tool), electro-technical production (capacitors, insulation materials), energy-saving vapor barrier films for construction and agriculture, medical fabrics with silver-based disinfectant layer, fabrics with increased fire-retardant characteristics for emergency services
ADVANTAGES
full automation of metallizing
control of deposition parameters and the quality of coatings on a real-time basis
good adhesion between coatings and a base material
ecological cleanness of the process
an opportunity of pilot-batch and small-batch production, optimization of technologies at the request of the customer
