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Low Abrasion and Wear Coating

General Description

TriCom-706 is a “green” electro-composite coating consisting of a Co-P alloy metal incorporating SiC particulates which are uniformly dispersed throughout its matrix. TriCom-706 provides the best abrasion resistance among the TriCom family of coatings, having the lowest Taber Wear index (TWI). The TWI of TriCom-706 is similar to thermal spray WC, is lower hard chrome and substantially better than electroless nickel. TriCom-706 applications include suspension systems components for military vehicles and rotary engine components.


The TriCom coating is applied using an electroplating process similar to chrome but has a deposition rate 4X faster resulting in 1/5 the energy consumption and reducing CO2 emissions by the same. The part to be coated is held in a rack and immersed in an aqueous bath with electric current applied at the contact points.

Tank agitation keeps the 5-8 micron particles in suspension for uniform dispersion. The process is capable of coating net form shapes including external and internal diameters/surfaces. As with other electroplating processes TriCom tends to slightly build up on sharp edges and fade in deep corners. Embrittlement relief may be required for substrates exceeding 40 HRC.


  • Exceptional abrasion resistance
  • Applicable to Non-Line-of-Sight geometries
  • Build-up/repair suitable to grind
  • Heat treat for greater hardness to 900 HVN
  • Corrosion resistant better than chrome
  • Bonds to ferrous and non-ferrous metals
Properties TriCom-706 Class 1 TriCom-706 Class 2 (Heat Treated) Hard Chrome Electroless Ni (high P)
Thickness (inch) 0.0003″ – 0.030″ 0.0003″ – 0.030″ 0.0001″ – 0.020″ 0.0001″ – 0.002″
Hardness (HVN) 650 – 700 850 – 1200 900 – 1000 500 – 550
Corrosion Protection (ASTM B117) 1,000 Hours 72 Hours 1,000 Hours
Reciprocating Wear (mm3/Nm) 3.2 0.42 0.4 x 10-5 44 x 10-5
Taber Abrasion Wear 1.0 1.8 22.5
Elongation < 3.5% 0.1% 3.0 – 6.0%
Temperature Range <315°C <315°C <425°C <315°C
G-65 Abrasive Wear Weight Loss (mg) 11 13 8