Thermal Spray — Spray & Fuse

Spray and fuse consists of two steps.  First, oxygen and a fuel gas, at relatively low pressures, are combined to create the flame. The coating material (in powder form) is fed into the flame where it is melted, and compressed air is used to atomize the material and transport it to the substrate.

During the second step, the material is subsequently fused to the substrate by torch and/or vacuum furnace, which produces a metallurgical bond.  Spray and fuse process results in an absence of interconnected pores in the coating and very high bond strengths.