Engineering Materials 2E VOLUME2 Episode 2 ppt

... tin in alloy. (a) 2 wt% lead + 98 wt% tin, (b) one phase (just), (c) 2 wt% lead, (d) 100 wt% (Sn). 36 Engineering Materials 2 Fig. 4 .2. When we heat plumbers’ solder to about 21 0°C, and make it ... reaction. Answers: eutectic at 650°C: L(31% Sb) = α( 12% Sb) + β( 32% Sb). eutectic at 520 °C: L(77% Sb) = Cu 2 Sb + δ(98% Sb). eutectoid at 420 °C: β( 42% Sb) = ε(38% Sb) + Cu 2 S...

Ngày tải lên: 13/08/2014, 08:21

... 25 00-5400 27 50- 320 0 1800 -25 00 5000-1 5000 8000-1 20 00 120 0 -20 00 1300-3000 1800 -23 00 120 0-1 25 0 1150- 120 0 910- 120 0 91 0-930 120 0-1 A00 1100-1400 25 00- 320 0 120 0-1 800 680-1 20 0 1 100-3000 ... materials 26 . Case Studies in Friction and Wear the design of a journal bearing; materials for skis and sledge runners; 'non-skid' t...

Ngày tải lên: 13/08/2014, 08:21

... 385-3 92 375-385 370-380 360-375 320 -365 320 -340 28 0-3 10 29 0-31 8 28 5 -29 0 24 0 -27 5 20 0 -24 8 1 60 -24 1 21 4 130 -23 4 70 -20 0 196 193 -21 4 196 -20 7 190 -20 0 20 0 170-1 90 150-1 86 1 72 ... 20 Engineering Materials 1 to Time t (year) Fig. 2. 2. The exponentially rising consumption of materials. r -C 100 (2. 2) where Co is the...

Ngày tải lên: 13/08/2014, 08:21

... m − 3 ) (GPa/Mg m − 3 ) Steels 21 0 7.8 27 Al alloys 70 2. 7 26 Alumina, Al 2 O 3 390 3.9 100 Silica, SiO 2 69 2. 6 27 Cement 45 2. 4 19 166 Engineering Materials 2 Data for ceramics Ceramics, without ... component. 15 .2 How do the unique characteristics of ceramics and glasses influence the way in which these materials are used? 1 82 Engineering Materials 2 σ r...

Ngày tải lên: 13/08/2014, 08:21

... are then fn l EI bd ww ww || || || || / =             2 2 12 2 π ρ (28 .22 ) 304 Engineering Materials 2 Fig. 28 .9. Two alternative designs for oil production platforms in ice-covered ... exp−                 =−                 tw A tw A mm 1 0 1 0 2 0 2 0 σ σ σ σ (28 .17) or σ σ 1 2 2 1 1       =       . / w w...

Ngày tải lên: 13/08/2014, 08:21

... of the projectile energies for M 1 < M 2 is given by: 2 1 22 2 2 121 1 o21 E(MMsin)Mcos K EMM ⎡⎤ −ϑ+ϑ ⎢⎥ == ⎢⎥ + ⎢⎥ ⎣⎦ (2. 1) The energy ratio K = E 1 /E o , called the kinematic factor, ... cross section is 2. 9×10 24 cm 2 or 2. 9 barns (where the barn = 10 24 cm 2 ). The distance of closest θ φ Projectile, M 1 E 0 Target, M 2 Detector E 1 M 1 E 2...

Ngày tải lên: 08/08/2014, 17:20

Ngày tải lên: 21/07/2014, 17:20

Ngày tải lên: 21/07/2014, 17:20

... New York, p. 107. 16. 17. 18. 19. 20 . 21 . 22 . 23 . 24 . 25 . 26 . 27 . 28 . 29 . 30. 31. 32. 33. 34. 35. 36. 37. 38. 39. 40. 41. 42. 43. Coles, B.F., Hitchcock, P.B. and ... 19 72, Chemical Society, London, p. 54. Jenkins, G.M., Kawamura, K. and Ban, L.L., Proc. Roy. SOC. (London), 19 72. A 327 ,501. Oberlin, A., In Chemistry and Physics of Carbo...

Ngày tải lên: 13/08/2014, 08:21

... 0 .25 0 .2 0 .2 0 .2 0.15 0.14 0 .23 0 .22 0 .24 0. 52 - - 0 .2 0.5 0 .25 Ob2 0 .2 0 .22 1.18 - - - 0 .20 0.15 0 .24 0 .25 0 .25 0.16 0.14 0.17 0 .2 0 .2 0.0 32 0.0 32 90 12 111 ... 30 25 70 45 70 115 62 24 0 75 180 55 185 65 105 84 72 33 70 40 10 32 25 50 14 72 40 70 2. 2 2. 8 2. 6 2. 9 1.7 1.3 3.0 2....

Ngày tải lên: 13/08/2014, 09:20