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Engineered Coatings

Engineered Coatings

Techmetals can formulate specialized coatings to overcome your wear, corrosion, release, and other challenges. Our experienced R&D department can custom make special alloys or dual deposits to fill multiple needs. In addition, we can add sub-micron diamond-like particles for added hardness and wear, or PTFE particles for release and lubricity. If your problem cannot be solved with a conventional coating, let us engineer a coating for you. Some of our coatings are listed below.


Diamonize
This coating solution is used in many applications to handle wear, abrasion, and corrosion. The coating is very uniform and can require no post machining. Process is not limited to line of site. Hard Chrome and Flame Spray Replacement Technology.
Diamonize- Plus This coating solution is used in many applications to handle wear, abrasion, and corrosion. The coating is very uniform and can require no post machining. Process is not limited to line of site. Hard Chrome and Flame Spray Replacement Technology.
X-Calibur Hard chrome replacement technology and coating process with up to three to ten times the corrosion resistance of chrome. In wear applications and testing can out perform standard chrome. Has a low coefficient of friction and anti-galling properties. This is a chrome free process and is more uniform than chrome as deposited. See Customer Study Article
X-Protect Nano-Technology hard type coating with a low coefficient of friction needed in applications that have high wear. XPROTECT can be applied to all ferrous metal & most non-ferrous metals. The coating is also anti-galling and corrosion resistant. As coated the hardness is 500 to 750 Vickers and after heat-treatment hardness up to 1100 Vickers. Hard chrome replacement technology.
Armatech Becomes a part of the metal itself and will not chip, peel, crack, or flake even when subjected to standard bend tests. Armatech will not affect dimensions by more than .0002 per surface. It is recommended as a final process eliminating additional grinding and finishing operations. Designed for sliding in metal to metal applications, with excellent ability to retain lubricants.
OptaKoat This amorphous, nickel, high phosphorus(~14%) coating is an excellent coating for diamond turning applications. It can outperform electroless nickel phosphorus deposits in the areas of low tool wear and achievable finishes. Test have shown that after using conventional optical lapping techniques, the surface roughness was reduced to 2-3 angstroms. This is a finer surface roughness than elecrtoless nickel phosphorus can offer. Optakoat can be plated to a thickness of 0.080″ or higher, and it has a lower volume void, which lead to fewer defects
in coating.
Optical Grade Electroless
Nickel
“Optical Grade Electroless Nickel” is a high phosphorous, high build deposit, which is formulated specifically for the optics industry. This coating is perfectly uniform and can be plated to thickness exceeding 0.015?pit free. This optic grade EN uses the best chemistries in a controlled atmosphere. It is highly suitable for single point diamond turning.
UltraKoat An electroless nickel co-deposit with sub-micron particles of a diamond-like material. This deposit has a very low coefficient of friction and can be used in applications over 500 degrees F, where Teflon starts to decompose. The diamond-like particles and low coefficient of friction give this coating the ability to perform well in sliding, wear, and abrasive applications. Not recommended for fluid wear.
E-Krome A uniform electroless process, 60-65 Rockwell as plated. We think of it as electroless chrome. It has the color, hardness, and low coefficient of friction similar to chrome. E-Krome also has the ability to cover uniformly over complex geometries without the use of electricity, thieves, robbers, or shields. This coating helps to alleviate environmental concerns around the use of hexvalent chromium.
OxyTech More than just hard coat anodize. This rigid process delivers a Type III anodize finish that is not only more consistent, it has been proven to outwear standard hard coat anodize finishes.
OxyLube The same superior hard coat anodize finish as OxyTech, with the added lubricity. We have taken sub-micron particles of PTFE and impregnated them into the coating for added wear and lubricity.
Techniloy A hybrid EN deposit coating developed to compete with electroless nickel and other alloys. This deposit has superior corrosion resistance and can usually offer a cost savings.
Cromvet A Tin Cobalt Alloy that is used as a replacement for decorative chrome. It has a similar appearance to chrome without the environmental complications. This coating also proves beneficial from an engineering standpoint because of its lubricity. It is often used over other coatings.
Triplex Chrome This process improves the corrosion resistance and surface finish of the best chrome formulations. For best results, this deposit is usually plated to finish, size, with a maximum thickness of .005.
TM 103 Electroless nickel plating at its best. This process has a high phosphorus content, 10%+. It is free of heavy metal contaminants and is relatively pore and crack free. It has a uniform deposit, which actually encapsulates the part and a hardness of 47-52 Rockwell as plated, heat treatable up to 65-70 Rockwell. There is superior corrosion resistance to that of standard electroless nickel. One mil thick coating has shown no rust after 1,000 hours in a salt spray test. This coating can obviously be used where corrosion resistance is of great importance. It complies with FDA and USDA regulations for use on food handling equipment.
TM 105 A unique hard chrome that is brighter, harder, and more corrosion resistant than standard hard chrome plating. This deposit can be plated up to 71 Rockwell C compared to standard chrome, which ranges from 64 to 67 Rockwell C. Its brightness and low coefficient of friction make it ideal for molds and metal cutting tools. TM 105 is best known for its release, excellent wear, and anti seizure characteristics.
TM 109 An electrolytic nickel deposit of the purest nickel providing a soft ductile coating of 20 Rockwell hardness. It has outstanding corrosion resistance, solder ability, magnetic characteristics, and resists oxidation at high temperatures. Coating thickness up to .250″ can be obtained. Techmetals can handle small or large parts with a 5-ton capacity and tanks up to 10-feet in length. Engineering applications in the nuclear, textile, printing, petroleum, and electronics industries are widely accepted. TM 109 is ideal when a pure, stress free, machinable, and corrosion resistant deposit is required.
TM 109-H The hard version of 109. A hard chrome substitute for salvage of mis-machined or worn parts. This deposit has the advantage of being MACHINEABLE at 35 to 40 Rockwell C. In addition, it is excellent for heavy build-up. It is used on worn shafts that require heavy build-up. It is also suitable to salvage flats and inside diameters.
TM 111 This is an electroless nickel plating with a hard chrome overlay. It is used for applications that demand the MAXIMUM corrosion resistance of electroless nickel, while maintaining the hardness and superior wear of chrome. This innovative deposit is well accepted in the printing, chemical, and aircraft industries.
TM 117C A composite material obtained by co-depositing a high phosphorus, (10%+) electroless nickel with PTFE particles. The PTFE particles are evenly dispersed throughout the metal matrix, occupying 15 to 25% by volume. The PTFE particles are protected from abrasion by the metal matrix. As wear occurs, PTFE particles are continuously brought to the surface, which insures dry lubrication throughout the surface life of the plated part. It has excellent resistance to adhesive wear, with uniform and accurate coating thicknesses. This coating can be used on mold surfaces, food process equipment, computer components, aerospace applications, and other applications that require dry lubrication.
TM 117P A high phosphorus (10%+) electroless nickel, hardened to 64 to 70 Rockwell C, and infused with PTFE. This coating provides a very accurate, dry lubricated hard surface. It has excellent resistance to adhesive wear, with great release properties. TM 117P is used on mold surfaces for both plastic and rubber molding applications, food process equipment, computer components, aerospace applications, and more.
TM 119 This specially engineered dense hard chrome is deposited so that it can be impregnated with (polytetrafluroethylene) PTFE. The PTFE enhances the release, wear, and corrosion properties of chrome. It is used where the chrome deposit needs additional release and a low coefficient of friction, such as metal forming tooling and molds.
TM 121 A crack-free chromium deposit. This deposit has good corrosion resistance. Standard hard chrome has approximately 200 to 400 cracks per linear inch allowing corrosive material through to attack the base metal. Crack-free chrome is a barrier coating. This deposit is somewhat softer and more ductile than standard hard chrome. As deposited, it is matte gray, but may be polished to a bright finish. It is often used in direct contact with molten glass.
TM 129 A low phosphorus, high hardness, electroless nickel that is 55 to 60 Rockwell C as plated. This uniform deposit is used on aluminum and “even” tempered alloys for hardness. Its corrosion resistance is outstanding in alkaline atmospheres. This coating has found great acceptance in the glass industry on molds, plungers, and other tooling.
TM 133
A boron, electroless nickel with low internal stress. This coating is uniform and has excellent wear resistance. In addition, it has good solder ability, weld ability, and excellent wear resistance at a hardness of 63-65 Rockwell C as plated and heat treatable to 1200-1300 KNH 100, approximately 80 Rockwell C. Our Boron Nickel has a much lower coefficient of friction than chrome. This deposit is often used to replace hard chrome, carbide, and even titanium nitride.

Other Coatings & Processes Offered by Techmetals, Inc.

  TM 135-EN Silicon Carbide, Acid Tin, Alkaline Tin, Anodize-Type II, Anodize-Type III (Hard Coat Anodize), Blasting, Copper, Decorative Chrome, Electroforming, Electroless Nickel, Gold, Grinding, Hard Chrome, Palladium, Passivating, Polishing, Silver, Sulfamate, and Many Others.