Friction, Lubrication, and Wear Technology (1997) Part 2 pot

... . . . . . 22 . . . 5W . . . 32 . . . 10W 75W 46 1 15W . . . 68 2 5W-30, 20 -20 W 80W 100 3 10W-40, 30 85W 150 4 20 W-50, 40 80W-90 22 0 5 50 90 320 6 60 . . . 460 7 . . . 140 ... Fig. 12 Typical temperature (T, in °C) maps in an elliptical contact with arbitrarily oriented rolling ( ) and sliding vectors ( ). (a) T 1 , 1 , and U 1 . (b) T 2 , 2 , and...

Ngày tải lên: 11/08/2014, 04:20

... maximum amount of wear. Vol 2 (No. 3), 1989, p 20 5 -22 2 41. F. George and S.J. Radcliffe, Automated Wear Measurement on a Computerized Profilometer, Wear, Vol 83, 19 82, p 327 -337 42. E.J. Davis, ... Vol 24 9A, 1957, p 321 20 . R.B. Blackman and J.W. Tukey, The Measurement of Power Spectra, Dover, 1959 21 . R.S. Sayles, Rough Surfaces, T.R. Thomas, Ed., Longman, L...

Ngày tải lên: 11/08/2014, 04:20

... Rhee and P.A. Thesier, "Ef fects of Surface Roughness of Brake Drums on Coefficient of Friction and Lining Wear, " Preprint 720 449, 19 722 22, Society of Automotive Engineers, 1937 2. ... Eng., Vol 2, 1937, p 22 2 3. S.C. Lim and M.F. Ashby, Wear- Mechanism Maps, Acta Metall., Vol 35, (No. 1), 1987, p 1 -24 4. S.K. Rhee, "Influence of Rotor Metallurgy on th...

Ngày tải lên: 11/08/2014, 04:20

... high-Cr white iron 2. 3- 2. 8 0.5-1.5 0.8- 1 .2 23 .0- 28 .0 0-0.6 0-1 .2 . . . 550-650 98-100 4 Martensitic Ni-Cr white iron 2. 5- 3.6 0.3-0.8 0.3- 0.8 1.4 -2. 5 0-1.0 3.0- 5.0 . . . 520 -650 105-109 ... 0.5- 1.0 0.6-0.9 0.3- 0.8 1.5 -2. 5 0.3- 0.5 0-1.0 . . . 25 0- 420 126 -130 8 Austenitic 12Mn steel 1.1- 1.4 11.0- 14.0 0.4- 1.0 0 -2. 0 0-1.0 . . . . . . 180 -22 0 13...

Ngày tải lên: 11/08/2014, 04:20

... 7833 0.46 40 1.110 . . . 40 38 36 33 29 29 29 29 . . . 20 % Cr 7689 0.46 22 0.635 . . . 22 22 22 22 24 24 26 29 . . . 15% Cr, 10% Ni 7865 0.46 19 0. 526 . . . . . . . . . . . . . . . . . . ... (m 2 /s) × 10 5 -100 (- 148) 0 ( 32) 100 (21 2) 20 0 (3 92) 300 (5 72) 400 (7 52) 600 (11 12) 800 (14 72) 1000 (18 32) 120 0 (21 92) Alumi...

Ngày tải lên: 11/08/2014, 04:20

... -30 (- 20 ) . . . . . . -35 (-30) -30 (- 20 ) -23 (- 10) Flash point, °C ( °F) 20 5 (400) 22 0 (430) 22 5 (435) 20 0 (390) 20 5 (400) 21 5 ( 420 ) Source: Ref 11 (a) ASTM D 26 02 modified. ... about 0 .2 and 10 m (8 and 400 in.). A histogram can be constructed that gives the frequency of oil globules with diameters between 0 .2 and 0.5 m (8 and 20 in.),...

Ngày tải lên: 11/08/2014, 04:20

... 1980, p 26 3 -26 8 29 . C.M. Preece and E.N. Kaufmann, The Effect of Boron Implantation on the Cavitation Erosion Resistance of Copper and Nickel, Corros. Sci., Vol 22 , 19 82, p 26 7 -28 1 30. ... Source: Ref 25 References 1. "Standard Terminoloy Relating to Wear and Erosion," G40, Annual Book of ASTM Standards, ASTM 2. C.M. Preece, Ed., Treatise on Materia...

Ngày tải lên: 11/08/2014, 04:20

... 25 1 25 1 LET RN=0. 821 *(RE^0.385) 25 2 GOTO 28 2 26 0 IF RE<=4000 THEN 26 1 26 1 LET RN=0.615*(RE^0.466) 26 2 GOTO 28 2 27 0 IF RE<=40000 THEN 27 1 27 1 LET RN=0.174*(RE^0.618) 27 2 GOTO 28 2 ... 25 1 LET RN=0. 821 *(RE^0.385) 25 2 GOTO 29 0 26 0 IF RE<=4000 THEN 26 1 26 1 LET RN=0.615*(RE^0.466) 26 2 GOTO 29 0 27 0 IF RE<=40000 THEN 27 1 27 1 LET RN=0.1...

Ngày tải lên: 11/08/2014, 04:20

... Testing" in this Section. References 19, 20 , 21 , 22 , 23 , 24 , 25 , and 26 may be helpful in regard to the microindentation testing of thin films and coatings. Some of these references use the ... substituted for a 2 , so that Eq 4 follows. The quantity H(1 - v 2 ) 2 /E 2 , which is independent of k 1 , can be calculated as follows: From Eq 4, H(1 - v 2 ) 2...

Ngày tải lên: 11/08/2014, 04:20

... Friction coefficient (f) 1 (lll) 0. 62 10 -5 23 0.05 2 (hll) 6 .2 10 -5 23 0.03 3 (lhl) 0. 62 10 23 0.36 4 (hhl) 6 .2 10 23 0 .22 5 (llh) 0. 62 10 -5 70 0.05 materials losses The tribotesting ... 0. 12 0.41 ± 0.08 Number of data 109 75 64 76 Number of laboratories 26 26 23 26 Wear rate of system, m · km -1(b) 70 ± 20 Very small 81 ± 29 Very small...

Ngày tải lên: 11/08/2014, 04:20