Inspec keywords: surface texture; seals (stoppers); steel; friction; surface roughness; hydraulic systems

Other keywords: annular textured surface; optimal roughness; optimal gap; inner surface; 45 steel materials; circular microtexture; coupling effect; frictional properties; equivalent flow method; cylinder surface; surface roughness; roughness optimisation; coupling relationship; hydraulic system efficiency; gap seal hydraulic cylinder; friction coefficient first decrease

Subjects: Fluid mechanics and aerodynamics (mechanical engineering); Engineering materials; Tribology (mechanical engineering)