New Tribological Ways Part 1 pot

... inn-1ix-l-l l =: 11 11 11 11 11 04 211 1 3( (1 ) (1 ) ) ( ) (1 ) (1 )ll l llnTbe beErbeEbe beσσ α σσηη η η−− −⎡⎤⎡⎤=+ −− +− − −+⎣⎦⎣⎦ With 222( )iiii iEKαασ=−, (1 )iifjDπσ=+, ... 8 10 12 14 16 18 0,40,60,8 1, 0 Cr Theoreti cal cur ve K 1 =93,9; D 1 =0,79 .10 -4m2.s -1 Normalized amplitude Square root m odulat ion f requency ( H z 1/ 2)2 4 6 8 10 12 14 16 18 5 10 15 2025303540 ... (Pt/Pt/Pt):PVD 1 51. 8 4.2 42.9 1, 2 15 00 0 .1 0 .14 CrN/CrAlN (Pt/Pc):PVD2 50.8 4 43 .1 1 .17 300 0 .12 0 .16 Cr/CrN/CrAlN (Pt/Pc/Pc):PD3 50.5 4.7 42.5 1. 18 300 0 .11 0 .15 CrN/CrAlN...

New Tribological Ways Part 2 doc

... MYSLINSKI, Surf. Coat. Technol. 20 4 (20 10), 22 89 -22 93. New Tribological Ways 48 (FCVA), [Martin et al., 1988; McKenzie et al., 1991; Fallon et al., 1993; Polo et al., 20 00] although other techniques ... Surface Science 25 3 (20 07) 5076-5083. [16] A. LIPPITZ, T. HUBERT. Surf. Coat. Technol. 20 0 (20 05) 25 0. [17] H.C. BARSHILIA et al. Surface & Coatings Technology 20 1 (20 06) 21 93 -22 01 [18] K. ... Thermochimica Acta, 455 (20 07) 60–65. [19] A. LAPPITZ. Th. HUBERT, Surf. Coat. technol. 20 0 (20 05) 25 0. [20 ] S.R PULUGURTHA et al. Surf. Coat. technol. 20 2 (20 07) 755-761. [21 ] Taher GHRIB, Sahbi...

New Tribological Ways Part 4 pdf

... −u2−η 4 (a 4 d −b 4 e 4 )F∗i sinh−1[√−d−e 4 √e 4 +du],−d+e 4 d+e 4 d√−d −e 4 (c + e 4 )d(1 +u)e 4 +du√1 −u2−η 4 (b 4 c −a 4 d)Π∗−c+e 4 d+e 4 , i sinh−1[√−d−e 4 e 4 +du],−d+e 4 d+e 4 d√−d ... 0.0235 0.0 24 0.0 245 r m�0.0 04 �0.00200.0020.0 04 z m0.022 0.0225 0.023 0.0235 0.0 24 0.0 245 r m�0.0 04 �0.00200.0020.0 04 z m0.022 0.0225 0.023 0.0235 0.0 24 0.0 245 r m�0.0 04 �0.00200.0020.0 04 z ... Magnetohydrodynamics, vol. 8, no. 4, p p. 44 4 44 8, 1972.[7] R. C. Shah and M. Bhat, “Ferroﬂuid squeeze ﬁlm in a long bearing,” TribologyInternational, vol. 37, pp. 44 1 44 6, 20 04. [8] S. Chen, Q. Zhang,...

New Tribological Ways Part 5 doc

... 7.25E-12 1 .5 ± 0.3 1.4 ± 0.1 1.06 ± 0.01 455 6.84E-11 1 .5 ± 0.3 1 .5 ± 0.1 1.07 ± 0.01 Table 2. Shape factors values for different glass particle sizes and the respective wear rates of 52 100 ... 255 , No. 1-6, August-September, pp. 55 -59 . Rabinowicz, E.; Dunn, L. A. & P. G. Russel, P.G. (1961). A study of abrasive wear under three-body conditions, Wear, Vol. 4, No. 5, pp. 3 45 - ... glass particles. Fig. 8. Abrasion factor definition (Buttery & Archard, 1971). Fig. 9. Binary images of glass particles: (a) 72 microns and (b) 455 microns average size. New Tribological...

New Tribological Ways Part 6 ppt

... Cranfield New Tribological Ways 1 86 The Elliptical Elastic-Plastic Microcontact Analysis 191 -8 -6 -4 -2 0 2 4 6 8 10 12 14 16 18 20 22 24 26 28 30-2.5-2.0-1.5-1.0-0.50.00.51.01.52.02.5 ... BHRA, Cranfield New Tribological Ways 190 -10-5 0 5 1015202530- 36 -32-28-24-20- 16 -12-8-40987 6 5432line 1,4,7 δ/δy=1line 2,5,8 δ/δy=5line 3 ,6, 9 δ/δy=10Normalized ... Figure 6 and figure 9. For 10 / 30yδδ≤≤, the annular plastic region disappears dramatically and an elliptical plastic New Tribological Ways 192 024 6 81012-12-10-8 -6 -4-2000.511.522.53Normalized...

New Tribological Ways Part 7 ppt

... 170 0.54 95Х18 1800 170 0 61 8 8 0.15 14400 488 100 2.4 110Г13Л 3 27 3 27 16 37 28 1.53 9156 448 0 0 .79 Х12М 73 0 73 0* 59 - - 0.016 - - 0 1.69 40Х13 1850 1520 48 7 8 0.18 14800 384 330 0 .73 ... 0.34 70 000 1855 100 1.55 D5 2550 1850 56 12 55 0.55 140250 3080 70 0 1.94 D6 2500 2000 57 8 40 0.30 100000 2280 500 1.82 D7 2100 2100 57 7.5 33 0.32 69300 1881 0 1 .75 Н18К9М5Т 1 070 900 31 7 - ... feed powder amounts. New Tribological Ways 226 Constants Material Mass (g) k 1/k A R2 value Andrographis paniculata 0.005±0.000 200±9 .71 3 0 .79 8±0.018 0.9 87 Eurycoma longifolia...

New Tribological Ways Part 8 doc

... (88 ) so that Eq. ( 78) becomes, ()113214 4μθμθ θ+==−eTTeTAB (89 ) Substituting θ1=0 into Eq. (89 ) gives, 3214Te Tμθ= (90) Substituting θ1=θ3 into Eq. (89 ) ... dtntna bnπππκπππ++ −+⎛⎞==+−⎜⎟⎝⎠⎧⎫⎪⎪⎛⎞+−⎨⎬⎜⎟⎝⎠⎪⎪⎩⎭ (1 18) New Tribological Ways 254 then Eq. ( 78) becomes 33()14 41(1 ) 1 1bbbeTT TABeθμμμθμμ+==−⎛⎞−−+⎜⎟⎝⎠ ... μθμμμθθμ→−=−bbbbee (82 ) For the term B in Eq. (79), ()()3110lim 1 1 2μθ μθμμμθμ→+−=bbbbee (83 ) Then Eq. (79) becomes, ()()313111,2μθ θμθ θμθ−−−==ABe (84 ) New Tribological...

New Tribological Ways Part 9 doc

... Vol. 49, T181- 191 , 195 8 [9] E.J.Kaliski, Text. Res. J., Vol.28, 325-3 29, 195 8 [10] M. Nakao, J. Text. Mach Soc. Jpn, Vol.17, 293 - 297 , 196 4 [11] Y. Miura, J. Seni Gakkai, Vol.10 558-563, 195 4 ... (mm2) Variance (mm2) 434 250 294 168 9. 94 500 2.31 0.002306 0.004006 0.003403 0.00 595 6 0.100563 0.002 0.4338 39 3.09E-02 3.19E-01 4.49E-02 2.40E-02 3.33E-01 2.48E-08 4.77E-07 ... 97 .2 112 7.02 93 .2 193 2. 69 0.002146 0.004615 0.003711 0.003102 0.002410 0.002727 0.010288 0.00 894 7 0.14245 0.010725 0.005 195 0.372024 3.44E-03 5.49E-02 4.75E-02 5.09E-03...

New Tribological Ways Part 10 ppt

... minima in the sliding direction [10 ＿ 10] and [0001]. Thus, the frictional anisotropy µk [10 ＿10]/µk[0001]may be proportional to (p [10 ＿ 10] /p[0001])×(φ [10 ＿ 10] /φ[0001])3. These values ... prism plane, a~g at the temperature of -10 C, h : rarely pattern like melting at -30ºC New Tribological Ways 318 Fig. 19. Ploughing strength on (10 ＿ 10) calculated from friction coefficients ... C New Tribological Ways 310 Fig. 9. µk-V-W diagram, (a) for a prismatic plane, and (b) for a basal plane. Temperature -10 C, Slider diameter 6.4mm(after Tusima, 1977). Fig. 10. ...

New Tribological Ways Part 11 pptx

... of a journal bearing for periodic loading, ASME Journal of Tribology, Vol. 114 , pp. 107 -115 New Tribological Ways 346 SynchronousfrequencySub synchronousfrequencySynchronousfrequencySub ... deep pockets. Figure 11 and 12 show examples of pressure distributions in the area adjacent to one of the six orifices of the pad type " ;11& quot;. In particular, Figure 11 shows the radial ... PlaneroriewSupply PocketSupply HoleMiddle Planeroriew Fig. 32. Wave bearing thrust plate New Tribological Ways 354 The hydrodynamic pressure generated in the fluid film can be obtained by solving...

New Tribological Ways Part 12 pdf

... aerostatic bearings with a single air supply inlet, Transactions of the ASME, 129 (4), pp. 384-390. New Tribological Ways 378 the necessary accuracy. The method also requires detailed measurement ... S. & Jaeger, J. C. (1959). Conduction of Heat in Solids, Oxford University Press. New Tribological Ways 392 4.2 Inverse approach solution for pressure and temperature rise distributions ... Cd,c and function f1 (solid line) for pads with annular orifice, versus ratio h/d New Tribological Ways 374 7. Examples of application for discharge coefficient formulations: comparison...

New Tribological Ways Part 13 potx

... (2009) Preparation and tribological studies of self-assembled triple-layer films. Thin Solid Films, Vol. 517, No. 13, (May, 2009) 3752-3759, 0040-6090. New Tribological Ways 426 Therefore, ... energy is imparted to the film to overcome the consequent increased steric barriers and then results in higher friction (Kim et al., 1997; Peach et al, 1996). On the New Tribological Ways 422 ... self-assembled monolayers. The Journal of Physical Chemistry B, Vol. 107, No. 47, (Nov, 2003) 131 23 -131 32, 1520-6106. Zhang, Q. & Archer, L. (2005) Interfacial friction of surfaces grafted...

New Tribological Ways Part 14 docx

... New Tribological Ways 458 while the momentum of momentum equations for the (frictionless) ith pad ... limited to the analysis of steadily-loaded bearings working in laminar lubrication regime. New Tribological Ways 452 2. State-of-the-art Modern lubrication analysis methods enable us to assess ... the journal, the above-mentioned classical expression is not suitable to deal with TEHD New Tribological Ways 442 CCDCCDOCDCODCCMechanicalstresshomolysisheterolysisCCDCCDOCDCODCODDC+Carbon...

New Tribological Ways Part 15 docx

... dy/dt(0)=x(0)·(kxx/m)^(0.5); ω=20 krpm, bearing type 1 New Tribological Ways 484 bearing typediameter ds [mm] air flow G·104 [kg/s]1 0 .155 2 0.1 3 0.1 0.5 1 0.383 2 0.2 3 0.2 1.42 ... downstream pressure pc can be obtained by ()scs sashRpp ppRR=− −+ (9) New Tribological Ways 490 The initial condition used in the following curves are specified by ()()00.05; ... New Tribological Ways 482 Euler explicit method was used to solve the time progression of the system....

New cutting edgepreintermidiate - part 1 potx

... ...

Xem thêm