| http://www.w3.org/ns/prov#value | - BF3, applying a plasma charge to the BF3 to create a plasma comprising one or more activated boron species and diffusing the plasma onto the metal surface ( Ti or Fe alloy) to form boride protective coating ; wear resistanceUS7776451Jul 25, 2007Aug 17, 2010Caterpillar IncA steel matrix of either titanium, chrome, and/or molybdenum, and also including either silicon, nickel, and/or manganese; hard-
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