Thermal Coatings for Automotive Cylinder Walls
Thermal spray coatings have been around for many years. Thermal spray technology originated from concepts that were patented in 1882 and 1899. ... Recently Ford Motor Company teamed up with Sulzer Metco to develop a thermal spray process for cylinder walls in an engine to replace the currently used cast iron sleeves. General Motors has also teamed up for the same purpose with Sandia National Laboratories who specializes in thermal spray coatings for neutron generators. There are two types of thermal spraying processes. ... Then the cylinder is bored to 300mm larger than finished size. ... After that the blocks are chamfered top and bottom and the cylinder walls are honed to 0. ... General Motors Thermal spray process utilizes the other common method of wire feed.