Engineering Materials Vol II (microstructures processing design) 2nd ed. - M. Ashby_ D. Jones (1999) Episode 2 potx
Engineering Materials Vol II (microstructures_ processing_ design) 2nd ed. - M. Ashby_ D. Jones (1999) WW Part 1 pptx
... 500 12 –30 10 18 0–0 .18 6–20 14 030.5–0.9 > ;10 0 13 56 385 397 17 0.5 30 10 0 11 90 12 1 200.5 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 20–50 15 70 460 40 12 0 .1 0.2 50 17 0 17 50 460 40 12 0 .1 0.5 50 17 0 16 80 ... 290 16 00 420–2000High-alloy steels 11 00 14 00 (14 00 18 00) 7.8 215 17 0 16 00 460 17 00Cast irons 12 0 (16 0) 7.4 15 2 50–400 10 –800Copper 10 20 (13 30) 8.9 13 0 75 220Brasses 750 10 60 (980 13 80) 8.4 10 5...
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Engineering Materials Vol II (microstructures processing design) 2nd ed. - M. Ashby_ D. Jones (1999) Episode 2 potx
... heat-treated intofinished 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) + (Pb) two-phase field. ... the bar. A large number of zone-refining passes may be needed to make theleft-hand half of the bar as pure as we need. The right-hand half is cut off and recycled. Note that eqn. (4.9)can only...
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Engineering Materials Vol II (microstructures processing design) 2nd ed. - M. Ashby_ D. Jones (1999) Episode 4 pps
... alloysAlloy wt% Mgsy(MPa)(annealed condition)5005 0.8 40 5050 1.5 5555052 2.5 90 4 545 4 2.7 1206 supersaturated5083 4. 5 145 4 545 6 5.1 1607as it is in the 5000 series. Turning to the ... 9–220 150–250Mg alloys 1.7 45 70–270 25 4. 0 2.1 41 –160 150–250Ti 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 0–600)* See Chapter 25 ... possible to makeamorphous Fe 40 Ni 40 P 14 B6 using cooling rates of only 105°Cs−1. 1 04 Engineering Materials 2Fig. 10.3. The aluminium end of the Al–Cu phase diagram.solution α. Below 500°C...
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Engineering Materials Vol II (microstructures processing design) 2nd ed. - M. Ashby_ D. Jones (1999) Episode 5 pps
... 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. Part of the iron–carbon phase diagram. Steels: I – ... instead.The hoop stress in the tube under the working pressure of 50 bar (5 MPa) is 5 MPaì 50 mm /5 mm = 50 MPa. Creep data indicate that, at 900°C and 50 MPa, the steelshould fail after only 15...
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Engineering Materials Vol II (microstructures processing design) 2nd ed. - M. Ashby_ D. Jones (1999) Episode 6 pps
... glass 1000 (1400) 2.23 65 1200 55 4in designPottery, etc. 6 Porcelain 260 –1000 2.3–2.5 70 350 454( 360 1400)7High-performance engineering ceramicsDiamond 4 ì 108 (6 ì 108) 3.52 1050 5000 ... 7 12Rocks and iceLimestone 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 2The forming pressure, pf, is then ... dislocations into low-angle grain 158 Engineering Materials 214 .6 A piece of plain carbon steel containing 0.2 wt% carbon was case-carburised togive a case depth of 0.3 mm. The carburising was...
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Engineering Materials Vol II (microstructures processing design) 2nd ed. - M. Ashby_ D. Jones (1999) Episode 7 doc
... 17. 1 shows thatTable 17. 1 Specific moduli: ceramics compared to metalsMaterial Modulus EDensity rSpecific 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 higheststresses is small.18.3 Modulus-of-rupture tests were done on samples of ceramic with dimensionsl = 100 mm, b = d = 10 mm. ... are smaller. 182 Engineering Materials 2 σrrMbd =62( 17. 2)where d is the depth and b the width of the beam. You might think that σr (which islisted in Table 15 .7) should be equal...
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Engineering Materials Vol II (microstructures processing design) 2nd ed. - M. Ashby_ D. Jones (1999) Episode 8 ppt
... 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 225would form the base for a vast new industry. The natural polymers are not as complic-ated ... (20 .8) But its long-term strength can be a problem. Depending on temperature and environ-ment, the cement may deteriorate suddenly and without warning by “conversion” of 230 Engineering Materials...
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Engineering Materials Vol II (microstructures processing design) 2nd ed. - M. Ashby_ D. Jones (1999) Episode 9 potx
... 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, 2nd edition, ... edition, Chapman and Hall, 199 8. D. W. Van Krevlin, Properties of Polymers, Elsevier, 197 6.I. M. Ward, Mechanical Properties of Solid Polymers, 2nd edition, Wiley, 198 4.R. J. Young, Introduction...
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Engineering Materials Vol II (microstructures processing design) 2nd ed. - M. Ashby_ D. Jones (1999) Episode 10 docx
... 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 ductile materials, ... course, con-trolled by the type and volume fraction of fibres. But the materials engineering can gofurther than this, by orienting or laminating the fibre weave to give directional proper-ties,...
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Engineering Materials Vol II (microstructures processing design) 2nd ed. - M. Ashby_ D. Jones (1999) Episode 11 ppt
... 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 readingC. M. Hutchins, ... Engineering Materials 2(e) Materials selectionJ. A. Charles and F. A. A. Crane, Selection and Use of Engineering Materials, 2nd edition, Butterworth-Heinemann, 1989. M. F. Ashby, Materials Selection ... overload.Fig. 28.2. Close-up of the tail drum. The belt tension applies a uniformly distributed sideways loadingto the drum. 292 Engineering Materials 2Fig. 27.1. Design methodology. 294 Engineering...
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Engineering Materials Vol II (microstructures processing design) 2nd ed. - M. Ashby_ D. Jones (1999) Episode 12 potx
... ––––––––––––––––– 344 Engineering Materials 22.5 (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°CXPb = 1% in the tin-rich solidXPb = 83% in the lead-rich solid.(d) (See Fig. A1.23.)Fig. A1.22.Fig. A1.23. 350 Engineering Materials ... diffusion.2.9 (a) Liquid.(b) Solid.See Fig. A1.24.Fig. A1.24.2.10 (a) 2.(b) WPb = 2%, WPb = 90%.(c) The lead-rich solid.(d) Tin-rich solid 11% of total weight.Lead-rich solid 89% of total...
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Engineering Materials Vol II (microstructures processing design) 2nd ed. - M. Ashby_ D. Jones (1999) Episode 13 pptx
... interfaces 20 358 Engineering Materials 2Fig. A1.41. Pearlite in a eutectoid-composition plain-carbon steel, ì500. (After K. J. Pascoe, An Introductionto the Properties of Engineering Materials , ... meteorite isrecovered and sectioned. It shows signs of having melted externally, and of havinghad an outer shell of γ-iron, an inner shell of ε-iron and a core of α-iron. Use thep–T phase diagram ... questions: part 44.1 Between about 11.5 and 13. 0 GPa or 1.14 ì 105 1.28 ì 105 atm.4.2 (a) See (Fig. A1.54).(b) Two-phase region.(c)α (copper-rich solid) and β (the compound CuZn).(d)...
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Engineering Materials Vol II (microstructures processing design) 2nd ed. - M. Ashby_ D. Jones (1999) Episode 14 ppsx
... 224Time-dependent strength 189Titanium-based alloys 10, 100, 103Tobomorite gel 208Traction engine 3TTT curves 80, 98, 105, 110, 122, 123Undercooling 63, 69Vacuum forming 257Vibrations 314 Viscoelastic ... 355alloy 125 et seq.case studies in 133 et seq.carbon 85, 113 et seq.high carbon 5, 114 low carbon 5, 114 low alloy 126medium carbon 113mild 5, 12, 113stainless 5, 12, 16, 129Strength ofcement ... seq.compounds 16metals 14 et seq.polymers 228 et seq.solid solutions 16, 322Structural change 46 et seq.Substitutional solutions 17Sulphur 96Surface energy and tension 21Surface engineering 155Superalloys...
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