Engineering Materials Vol II (microstructures processing design) 2nd ed. - M. Ashby_ D. Jones (1999) Episode 5 pps

... 500 12 –30 10 18 0–0 .18 6–20 14 03 0.5–0.9 > ;10 0 13 56 385 397 17 0.5 30 10 0 11 90 12 1 20 0.5 30 10 0 11 20 85 19 0.4 > ;10 0 17 28 450 89 13 0.5 > ;10 0 16 00 420 22 14 0.2 > ;10 0 15 50 450 11 12 0 .1 0.5 ... m 1/ 2 ) (K) (J kg − 1 K − 1 ) (W m − 1 K − 1 ) coefficient (MK − 1 ) 0.3 80 18 09 456 78 12 0. 21 140 17 65 482 60 12 0 .1 0.2 20–5...

Ngày tải lên: 11/08/2014, 02:22

... heat-treated into finished products; and by understanding these, shape and size can, to a large extent, be predicted. Background reading M. F. Ashby and D. R. H. Jones, Engineering Materials I, 2nd ... grain-boundary energy is the dominating influence. 28 Engineering Materials 2 Fig. 3 .2. (a)A 50–50 lead–tin alloy at 170°C has a constitution point that puts it in the (Sn) +...

Ngày tải lên: 13/08/2014, 05:20

... alloys Alloy wt% Mg s y (MPa) (annealed condition) 5005 0.8 40 5050 1.5 55 5 5052 2.5 90 4 545 4 2.7 120 6 supersaturated 5083 4. 5 145 4 545 6 5.1 160 7 as it is in the 5000 series. Turning to the ... 9–220 150–250 Mg alloys 1.7 45 70–270 25 4. 0 2.1 41 –160 150–250 Ti alloys 4. 5 120 170–1280 27 2 .4 1.1 38–280 40 0–600 (Steels) (7.9) (210) (220–1600) 27 1.8 0.75 28–200 (40 0–6...

Ngày tải lên: 13/08/2014, 05:20

... 0.80 0 .50 0.20 0 .55 B 0.40 0.60 1.20 0.30 1 .50 C 0.36 0.70 1 .50 0. 25 1 .50 D 0.40 0.60 1.20 0. 15 1 .50 E 0.41 0. 85 0 .50 0. 25 0 .55 F 0.40 0. 65 0. 75 0. 25 0. 85 G 0.40 0.60 0. 65 0 .55 2 .55 120 Engineering ... hard”“Hard” 1100 35 1 15 1 45 30 05 65 140 1 85 5 456 140 300 370 Case studies in steels 1 35 Fig. 13.3. The hardness profile of the tube. Fig. 13.4....

Ngày tải lên: 13/08/2014, 05:20

... glass 1000 (1400) 2.23 65 1200 55 4 in design Pottery, etc . 6 Porcelain 260 –1000 2.3–2.5 70 350 45 4 ( 360 1400) 7 High-performance engineering ceramics Diamond 4 ì 10 8 (6 ì 10 8 ) 3.52 1050 5000 ... 7 12 Rocks and ice Limestone Cost of mining 2.7 63 30–80 20 – Granite and transport 2 .6 60–80 65 –150 23 – Ice 0.92 9.1 6 1.7 – 148 Engineering Materials 2 The forming pressu...

Ngày tải lên: 13/08/2014, 05:20

... 17. 1 shows that Table 17. 1 Specific moduli: ceramics compared to metals Material Modulus E Density r Specific modulus E/ r (GPa) (Mg m − 3 ) (GPa/Mg m − 3 ) Steels 210 7. 8 27 Al alloys 70 2 .7 ... fracture-initiating defect in the small volume subjected to the highest stresses is small. 18.3 Modulus-of-rupture tests were done on samples of ceramic with dimensions l = 100 mm, b = d = 10...

Ngày tải lên: 13/08/2014, 05:20

... 1 984 . J. A. Brydson, Plastics Materials, 6th edition, Butterworth-Heinemann, 1996. C. Hall, Polymer Materials, Macmillan, 1 981 . International Saechtling, Plastics Handbook, Hanser, 1 983 . R. M. ... come from. That is the func- tion of the next four chapters. 2 18 Engineering Materials 2 Polymers 225 would form the base for a vast new industry. The natural polymers are not as c...

Ngày tải lên: 13/08/2014, 05:20

... Plastics Materials, 6th edition, Butterworth-Heinemann, 199 6. J. M. C. Cowie, Polymers: Chemistry and Physics of Modern Materials, International Textbook Co., 197 3. C. Hall, Polymer Materials, ... Plastics Materials, 6th edition, Butterworth-Heinemann, 199 6. International Saechtling, Plastics Handbook, Hanser, 198 3. P. C. Powell and A. J. Ingen Honsz, Engineering with Polymers,...

Ngày tải lên: 13/08/2014, 05:20

... A. J. Ingen Housz, Engineering with Polymers, 2nd edition, Chapman and Hall, 1998. L. J. Gibson and M. F. Ashby, Cellular Solids, 2nd edition, Butterworth-Heinemann, 1997. D. Hull, An Introduction ... evolved from these failures. Most ceramic design is like that. Only recently, and because of more demanding struc- tural applications, have design methods evolved. In designing with du...

Ngày tải lên: 13/08/2014, 05:20

... of 1.25 mm. Background reading M. F. Ashby and D. R. H. Jones, Engineering Materials I, 2nd edition, Butterworth-Heinemann, 1996, Chapter 6 (section on composites). Further reading C. M. Hutchins, ... Engineering Materials 2 (e) Materials selection J. A. Charles and F. A. A. Crane, Selection and Use of Engineering Materials, 2nd edition, Butterworth- Heinemann, 1989....

Ngày tải lên: 13/08/2014, 05:20

... ––––––––––––––––– 344 Engineering Materials 2 2.5 (a) Tin-rich solid plus lead-rich solid. (b) Liquid plus tin-rich solid. (c) Lead-rich solid only. (d) Liquid only. 2.6 (a) Liquid plus lead-rich solid ... solid. (c) Tin-rich solid plus lead-rich solid at 150°C X Pb = 1% in the tin-rich solid X Pb = 83% in the lead-rich solid. (d) (See Fig. A1.23.) Fig. A1.22. Fig. A1.23. 350 Enginee...

Ngày tải lên: 13/08/2014, 05:20

... interfaces 20 358 Engineering Materials 2 Fig. A1.41. Pearlite in a eutectoid-composition plain-carbon steel, ì500. (After K. J. Pascoe, An Introduction to the Properties of Engineering Materials , ... meteorite is recovered and sectioned. It shows signs of having melted externally, and of having had an outer shell of γ -iron, an inner shell of ε -iron and a core of α -iron. Use...

Ngày tải lên: 13/08/2014, 05:20

... 224 Time-dependent strength 189 Titanium-based alloys 10, 100, 103 Tobomorite gel 208 Traction engine 3 TTT curves 80, 98, 105, 110, 122, 123 Undercooling 63, 69 Vacuum forming 257 Vibrations 314 Viscoelastic ... 355 alloy 125 et seq. case studies in 133 et seq. carbon 85, 113 et seq. high carbon 5, 114 low carbon 5, 114 low alloy 126 medium carbon 113 mild 5, 12, 113 stainless 5, 12, 16,...

Ngày tải lên: 13/08/2014, 05:20