Engineering Materials vol 2 Part 15 pdf
Engineering Materials vol 2 Part 15 pdf
... –––––––––––––––––––––– Answers to questions: part 2 2.1 Crystalline solid, liquid and vapour. 2. 2 It increases. 2. 3 (See Fig. A1 .20 .) Fig. A1 .21 . Fig. A1 .20 . 350 Engineering Materials 2 1. From 300°C to 24 5°C. Single-phase ... α + γ (eutectoid). 3 62 Engineering Materials 2 Fig. A1.47. Fig. A1.48. 346 Engineering Materials 2 Fig. A1 .25 . Fig. A1 .26 ....
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Engineering Materials vol 2 Part 1 doc
... 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 ... 30–100 1 120 85 19 0.4 >100 1 728 450 89 13 0.5 >100 1600 420 22 14 0 .2 >100 155 0 450 11 12 0.1–0.5 45 933 917 24 0 24 0.1–0.45 45 915 24 0.1–0 .25 10...
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Engineering Materials vol 2 Part 2 doc
... eutectic 42 Ag + 19 Cu 610– 620 High-strength; high-temperature. (free-flowing) + 16 Zn + 25 Cd Silver; general-purpose 38 Ag + 20 Cu 605–650 High-strength; high-temperature. (pasty) + 22 Zn + 20 Cd Case ... hot-water layout, you will already have had some direct experience of this system. 22 Engineering Materials 2 Fig. 2. 7. Many metals are made up of two phases. This figure sh...
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Engineering Materials vol 2 Part 3 pot
... Conservation of volume gives 4 3 4 3 4 3 3 3 1 3 2 3 πππ rrr =+ . (5.30) Combining eqns (5 .29 ) and (5.30) gives ∆A = 4 1 3 2 323 1 2 2 2 πγ [( ) ( )]. / rr rr+−+ (5.31) For r 1 /r 2 in the range ... K, we find that W f = 1 .22 kJ kg −1 (or 22 J mol −1 ). 1 kg of water at 27 2 K thus has 1 .22 kJ of free work avail- able to make it turn into ice. The reverse is true at 27...
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Engineering Materials vol 2 Part 4 doc
... the vol- ume of the nucleus. For 0 ഛ θ ഛ 90° these are: solid–liquid area = 2 π r 2 (1 − cos θ ); (7.4) catalyst–solid area = π r 2 (1 − cos 2 θ ); (7.5) nucleus volume = 2 3 1 3 2 1 2 3 3 πr ... (7.1) we can write W f = 2 π r 2 (1 − cos θ ) γ SL + π r 2 (1 − cos 2 θ ) γ CS − π r 2 (1 − cos 2 θ ) γ CL −−+ − cos cos ( ) . 2 3 1 3 2...
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Engineering Materials vol 2 Part 5 pps
... alloys 2. 7 71 25 –600 26 3.1 1.5 9 22 0 150 25 0 Mg alloys 1.7 45 70 27 0 25 4.0 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 ... resistance. Yttrium 4.47 151 0 Good strength and ductility; scarce. Barium 3.50 729 Scandium 2. 99 153 8 Scarce. Aluminium 2. 70 660 Strontium 2. 60 770 Reactiv...
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Engineering Materials vol 2 Part 6 pot
... 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. 55 116 Engineering Materials ... H. Jones, Engineering Materials I, 2nd edition, Butterworth-Heinemann, 1996, Chapters 21 , 22 , 23 and 24 . Further reading K. J. Pascoe, An Introduction to the Properties...
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Engineering Materials vol 2 Part 7 pps
... 28 0 – 1.0 (1400) 800 1 3 22 0 –– – 510 70 1 .2 1000 10 3–5 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 ... 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 R...
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Engineering Materials vol 2 Part 9 pps
... 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 ... 20 .7). 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...
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Engineering Materials vol 2 Part 10 pot
... 370–550 150 0–1700 0. 12 0 .24 26 –60 – 22 0 ≈350 25 00 ≈0 .15 ≈600 – 171 ≈350 25 00 ≈0 .15 ≈600 – 20 0 ≈350 25 00 ≈0 .15 ≈600 –– – – – – –– – – – – –– – – – – 22 8 Engineering Materials 2 Chapter 22 The ... 1350 150 0 0.1–0 .15 70–100 2. 4 350 370 – 0 .15 50–70 1.6 378 400 150 0 0 .2 54– 72 3–5 340 350– 420 1900 0 .2 0 .25 80–95 0.6–1.0 380 400– 440 1700 20 00 0 .2 0.5...
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