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The Contact of Solids Professor N B Demkin D Sc Eng
Calculation of Coefficients of External Friction and Preliminary
of the Coefficient of External Static Friction
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acid additives alloys aluminium antifriction antioxidant antiscuff application area of contact asperities babbitt babbitt metals bearings BHHH bronze calculation cast iron chemical coatings coefficient of external coefficient of friction composition contour pressure dense contact depends determined effect elastic contact elastic modulus external friction external static friction fatigue strength film formula gear given in Table GOST Grade grease graphite guideways hardening hardness HayKa heat increase industrial oils interaction kgf/cm2 linear load machine mating mechanical component metal method microhardness molecular component molybdenum disulphide MoS2 Nomograph obtained oil Grade operating conditions oxidation parameters percent plastic deformation polyamides polymer real contact area relationship rough surface rubbing components rubbing surfaces running-in sliding pair sliding speed specific static friction stearic acid steel Grade stresses structure surface layer surface roughness temperature thermal thickened thickness tion TpeHHH tribological tribological joints vacuum values viscosity index wear rate wear resistance