H.V.O.F.................

Hard chrome plate replacement

Hard chrome plate replacement: Thermally sprayed coatings (typically HVOF applied carbide materials) used as an effective replacement for electroplated materials without the negative aspects associated with hexavalent chromium.

Hardness test

Hardness test: A test designed to assess the resistance to penetration from a load. Typically used a quality control test for thermal spray coatings.

Hardfacing

Hardfacing: A term used to describe a Thermal Spray deposit applied with the intention to reduce wear. Can sometimes be referred to as a wear resistant coating.

Helium

Helium: Monatomic noble gas. Most inert element, atomic number 2. Use as a plasma gas in plasma spraying.

High Velocity Oxy Fuel (HVOF) Spraying

High Velocity Oxy Fuel (HVOF) Spraying: A thermal spray process in which a fuel gas is mixed with oxygen and delivered at high pressure to the HVOF gun and ignited to form a high velocity oxygen/fuel gas stream in to which thermal spray powders are introduced and propelled on to the substrate

Hydrogen

Hydrogen: Diatomic gas, atomic number 1. The lightest element, very reactive and powerful reducing agent. Used as a secondary plasma gas in the plasma spraying process. Used as a fuel gas in combustion thermal spray processes.

 

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