Engineering Materials vol 2 Part 9 pps

... any cement are, in this nomenclature Lime CaO = C Alumina Al 2 O 3 = A Silica SiO 2 = S Water H 2 O = H. 20 0 Engineering Materials 2 Fig. 19. 9. Forming methods for glass: pressing, rolling, float-moulding ... 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). Ea...

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 alloys...

Ngày tải lên: 11/08/2014, 02:22

... 23 23 (1470) 795 25 .6 8.5 150 40 – 3110 – 1 422 84 4.3 300 40 4 21 73 – 627 17 3 .2 500 10 4– 12 2843 – 670 1.5 8 500 10 5 –– 710 20 25 3 .2 510 40 0 .2 ––1.8 10–14 # <50 40 0 .2 – 21 0–14 $ – 0 .9 ... 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 30–50 50 7 12 Roc...

Ngày tải lên: 11/08/2014, 02:22

... s f (MPa) Fibres Carbon, Type1 1 .95 390 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 ... 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 1...

Ngày tải lên: 11/08/2014, 02:22

... Coatings, Wear, Vol. 1 52, 19 92 , pp. 127 -150. TEAM LRN 446 ENGINEERING TRIBOLOGY 88 J.C. Angus, Diamond and Diamond-Like Films, Thin Solid Films, Vol. 21 6, 19 92 , pp. 126 -133. 89 B.C. Oberlander ... Graphite Slider, Wear, Vol. 198 , 199 6, pp. 20 8 -21 5. 93 R. Ahmed and M. Hadfield, Rolling Contact Performance of Plasma Sprayed Coatings, Wear, Vol. 22 0, 199 8, pp. 80 -91...

Ngày tải lên: 05/08/2014, 09:19

... 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 ... 0 .2- 3 2 0.5 -2 0.4-1 0.3-0.5 0.3-0.4 0.1-0.3 0.1 0.1 0.1 0.08 0.05 0.04 0.03 0. 02 0. 02 0. 02 0.01 0.01 0.003 100-350 20 4 -21 4 50-1 54 55-1 15 20 -60...

Ngày tải lên: 11/08/2014, 02:22

... Fracture Mechanics, Buttenvorths, 197 3, Chap. 9. T. V. hggan and J. Byrne, Fatigue as a Design Criterion, Macmillan, 197 7. 199 6. 1 52 Engineering Materials 1 1 Fast fracture K,,=K, ... are by far the most important class of materials for highly stressed applications. Even at, or above, room 1 42 Engineering Materials 1 Fig. 14 .2. Crack propagation by...

Ngày tải lên: 11/08/2014, 02:22

... 3500-3683 29 50- 326 9 31 10 3073 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 1770-1 93 5 18 09 1570-1 800 1650-1 768 1550-1 726 1700 1660-1 690 1683 800-1 ... 25 1 91 .7 135 150 197 1 42 1 09 27 0 460 556 326 84 147 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 17...

Ngày tải lên: 11/08/2014, 02:22

... long very long very long 2 x 106 1 06 1.8 x lo5 >io5 21 04 1600 >1 OOO >1 OOO 1336 123 4 93 3 21 73 31 10 505 1683 1557 20 42 92 3 6 92 21 48 371 337 Ni cu Fe ... Nb U Mo W 600 25 24 7 c6 c5 ~~0.5 0 .2 very short very short very short very short very short 1 726 1356 18 09 1765 194 3 1700 98 3 21 25 325 0 27 40...

Ngày tải lên: 11/08/2014, 02:22

... 42 Copper alloys, properties see Data Core diffusion 186, 190 , 191 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 ... elements 19 Aids 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, 1...

Ngày tải lên: 11/08/2014, 02:22