Engineering Materials vol 2 Part 7 pps

... 1000 10 3–5 23 23 (1 470 ) 79 5 25 .6 8.5 150 40 – 3110 – 1 422 84 4.3 300 40 4 21 73 – 6 27 17 3 .2 500 10 4– 12 2843 – 670 1.5 8 500 10 5 –– 71 0 20 25 3 .2 510 40 0 .2 ––1.8 10–14 # <50 40 0 .2 – 21 0–14 $ – ... 20 0 20 00 20 0–500 10 21 Sialons (490–1400) 3 .2 300 20 00 500–830 15 Cement, etc . Cement 52 (73 ) 2. 4 2. 5 20 –30 50 7 12 Concrete 26 (36) 2. 4 30...

Ngày tải lên: 11/08/2014, 02:22

... 0 .25 revs-', Stroke = 8 feet = 2. 44m, = 7. 8 x 104 js-1, Force X 2 X stroke X speed = power, 7. 8 x 104 :. Force = = 6.4 2 X 2. 44 X 0 .25 Nominal stress in the connecting ... Fracture Mechanics, Buttenvorths, 1 973 , Chap. 9. T. V. hggan and J. Byrne, Fatigue as a Design Criterion, Macmillan, 1 977 . 1996. 1 52 Engineering Materials...

Ngày tải lên: 11/08/2014, 02:22

... 2. 1 41–160 150 25 0 Ti alloys 4.5 120 170 – 128 0 27 2. 4 1.1 38 28 0 400–600 (Steels) (7. 9) (21 0) (22 0–1600) 27 1.8 0 .75 28 20 0 (400–600) * See Chapter 25 and Fig. 25 .7 for more information about these ... strength E / r*E 1 /2 / r*E 1/3 / r* s y / r* Creep r (Mg m − 3 ) modulus s y (MPa) temperature E (GPa) (°C) Al alloys 2. 7 71 25 –600 26 3.1 1.5 9 22 0 150 25 0 Mg al...

Ngày tải lên: 11/08/2014, 02:22

... concretes 20 9 Fig. 20 .2. (a) The hardening of Portland cement. The setting reaction (eqn. 20 .5) is followed by the hardening reactions (eqns 20 .6 and 20 .7) . Each is associated with the evolution ... Each is associated with the evolution of heat (b). 2C 2 S + 4H → C 3 S 2 H 3 + CH + heat (20 .6) 2C 3 S + 6H → C 3 S 2 H 3 + 3CH + heat. (20 .7) d Tobomorite gel. Portland cement...

Ngày tải lên: 11/08/2014, 02:22

... 390 22 00 Carbon, Type2 1 .75 25 0 27 00 Cellulose fibres 1.61 60 120 0 Glass (E-glass) 2. 56 76 1400 25 00 Kevlar 1.45 125 27 60 Matrices Epoxies 1 .2 1.4 2. 1–5.5 40–85 Polyesters 1.1–1.4 1.3–4.5 45–85 24 8 ... polyester 2. 0 48 124 0 42 60 24 3.5 1.8 620 Kevlar-epoxy (KFRP), 60% uniaxial 1.4 76 124 0 – 54 6 .2 3.0 886 Kevlar in epoxy Metals High-strength steel 7. 8 20 7 100...

Ngày tải lên: 11/08/2014, 02:22

... Medical Genetics 78 , no. 3 (July 7, 1998): 27 4 -28 1. ORGANIZATIONS Greenberg Center for Skeletal Dysplasias. 600 North Wolfe Street, Blalock 1012C, Baltimore, MD 21 2 87- 4 922 . (410) 614-0 977 . Ͻhttp://www.med.jhu.edu/Greenberg.Center/ Greenbrg.htmϾ. WEBSITES Dwarfism.org. ... Foundation, Inc. 129 -09 26 th Ave. #20 3, Flushing, NY 11354. (800) 522 - 72 2 2 or (71 8) 321 -28 73 ....

Ngày tải lên: 10/08/2014, 15:20

... A 120 3 Shale (oilshale) Soda glass Electrical porcelain ice 100-lo00 22 0 -24 0 1 50 15-118 100 26 -1 14 10-100 40-1 00 8-30 5-30 8 -20 17 13 8 6 -7 6 -7 5 2- 4 0 .2- 4 0 .2- 3 2 ... Reinforced concrete 20 0 2. 5 160 (24 0) 13 2. 1 Alloy steel (pressure-vessel steel) 1 000 7. 8 500 (75 0) 7. 8 3.9 Aluminium alloy 400 2. 7 1100 (1650) 6.8...

Ngày tải lên: 11/08/2014, 02:22

... 4000 3500-3683 29 50- 326 9 31 10 3 073 27 50 -28 90 26 50 - 27 41 26 82- 2684 27 00 23 23 21 73 21 48 20 50 -21 25 20 42 177 0-1 935 1809 1 570 -1 800 1650-1 76 8 1550-1 72 6 170 0 1660-1 690 1683 ... 25 1 91 .7 135 150 1 97 1 42 109 27 0 460 556 326 84 1 47 76 168 14 19.1 14.9 16.9 16.6 15.9 17. 5 9.3 17. 5 18.3 21 .8 17. 9...

Ngày tải lên: 11/08/2014, 02:22

... Corrosion 22 5 case studies 23 2 cracking 156, 22 9 data 22 7, 22 9 fatigue 23 0 mechanisms 22 6 protection 23 2 rates 22 9 voltage 22 7, 22 8 Covalent bond 37, 39 Cracks 131, 140, 150, 155, 22 9 Creep ... and demonstrations 29 0 Alkali halides 37, 52 properties see Data Alumina 20 6, 21 7, 22 2 properties see Data Aluminium and alloys 69, 125 , 160,...

Ngày tải lên: 11/08/2014, 02:22

... 100 (140) 7. 9 21 1 50 20 0 Mild steel 20 0 23 0 (26 0–300) 7. 9 21 0 22 0 430 High-carbon steel 150 (20 0) 7. 8 21 0 350–1600 650 20 00 Low-alloy steels 180 25 0 (23 0–330) 7. 8 20 3 29 0–1600 420 20 00 High-alloy ... 1809 456 78 12 0 .21 140 176 5 4 82 60 12 0.1–0 .2 20–50 1 570 460 40 12 0.1–0 .2 50– 170 175 0 460 40 12 0.1–0.5 50– 170 1680 500 12 30 10–18 0–0.18 6 20 1...

Ngày tải lên: 11/08/2014, 02:22