Search Results for coefficient of friction

Fig. 17 Specific wear rate and friction coefficient of unidirectional composites (see Table 4 ) in three orientations ( P , 1.5 N/mm 2 ; V , 0.83 m/s; distance slid, 16 km). More

Fig. 2 Approximate relationship of coefficient of friction to Sommerfeld number, η N / p. More

Fig. 28 Effect of ion implantation on the coefficient of friction in fretting of IMI 550 titanium alloy at 500 °C (930 °F) More

Fig. 32 Plot of the coefficient of friction versus the number of fretting cycles for three selected materials tested on steel. PTFE, polytetrafluoroethylene More

Fig. 2 Schematic representation of the coefficient of friction variations during direct-drive friction welding More

Fig. 7 Variation of coefficient of friction with torque for AA5182- and F-357-type aluminum alloys. Source: Ref 46 More

Fig. 2 Experimentally identified history of friction coefficient of aluminum 1100 foils during one weld. Source: Ref 17 More

Fig. 3 Measured aluminum 3003-H18 friction coefficient varying with temperature. Source: Ref 25 More

Fig. 52 Effect of temperature on the coefficient of friction for iron against iron during temperature cycling. Load, 1.88 kg; velocity, 7.6 mm/s. Source: Ref 154 More

Fig. 5 Effect of pit area rates on friction coefficient and scuffing resistance More

Fig. 29 Second-order Fourier coefficient (ovality) (a) as a function of friction coefficient and (b) in dependence on temperature for different mechanisms. TP, transformation plasticity. Courtesy of H. Surm. Source: Ref 31 More

Fig. 21 Combined roughness/coefficient of friction graphs indicating potential correlation between kurtosis, skewness, and coefficient of friction for surfaces with (a) grooves (G) and (b) dimples (D). Source: Ref 86 More

Fig. 12 Effect of roll diameter and reduction on coefficient of friction measured in rolling of 0.4 mm (0.016 in.) thick aluminum strip using light mineral oil lubricant. Al-H is strain hardened (cold worked); Al-O is full soft (annealed). Source: Ref 24 More

Fig. 2 The Stribeck curve, showing how the coefficient of friction varies with a lubricity parameter including lubricant viscosity (η) interface speed ( V ), and die pressure ( P ) through boundary, mixed, and hydrodynamic lubrication conditions. Adapted from Ref 32 More

Fig. 3 Coefficient of friction for low and high speed compression of 18–8 stainless steel to 30% height reduction. Source: Ref 35 , adapted from Ref 11 More

Fig. 9 Stribeck curve of coefficient of friction versus Sommerfeld number (S), where S = η N / P. N , shaft speed; P , average pressure between shaft and bearing due to applied load; η, lubricant viscosity More

Fig. 13 Coefficient of friction as a function of duty parameter More

Fig. 23 Coefficient of friction of test bearings More

Fig. 36 (a) Influence of working temperature on coefficient of friction (COF) of a-C:H coating. (b) Effect of humidity on COF of hydrogen-free and hydrogenated diamondlike coating (DLC) films. Adapted from Ref 58 More

Fig. 16 Stribeck curve: coefficient of friction (and type of lubrication) versus dimensionless variable η N/P More