Science, Maths & Technology
Thermal spraying (Hardfacing)
...work has to be carried out in a soundproof enclosure. Process Flame temperature (°C) Particle velocity (m s-1) Spray rate (kg h-1) Feed stock Fuel Oxy/fuel 2600–3100 90–100 0.1–15 Powder, wire, rod or cord Oxygen + propane or acetylene Electric arc 4000–8000 150–300 1–50 Wire Electricity Plasma up to 20,000 150–600 0.5–10 Powder Electricity + inert gas...