Electric arc spraying, comprises melting wire-shaped spray material in electric arc by electrical current, and atomizing gas stream and applying on work piece by spraying in the form of particle stream

摘要

Electric arc spraying comprises melting at least one wire-shaped spray material in an electric arc (30) by electrical current and atomizing gas stream (41) and applying on a work piece (6) by spraying in the form of a particle stream (5), where at least one wire-shaped spray material is preheated before melting in the electric arc. An independent claim is also included for a device for implementing method comprising arranging a preheating device (45) for preheating at least one wire-shaped spray material before melting in the electric arc.