Słowa kluczowe: hydroxyapatite, 316L, biocomposites, microstructure, sintering, aluminium, severe plastic deformation, equal channel angular pressing, mechanical properties, maraging steel, tensile strength, toughness, aging, dilatometric curve, vehicle dynamics, car driving techniques, road traffic safety, oversteering, side skid, railway vehicle, wheelset, railway technology, fretting wear, mining industry, diesel engine, ATEX, quality of exhaust gases, diesel drive, mine rail locomotive, traction control system, vehicle vibrations, modelling, suspension, active safety, ride comfort, torsional vibrations, low frequency analysis, natural vibrations