A proposal for methods for decreasing thermal spraying noise acoustic characteristic of various materials;A stochastic model to simulate the formation of a thermal spray coating;Abrasive wear behavior of Ni(Cr)-TiB { sub } 2 co atings deposited by HVOF spraying of SHS-derived cermet powders;Adhesion of sealers on thermal spray coatings;An experimental study of the wear performance of NiCrBSi thermal spray coatings