Engineering - Materials Selection in Mechanical Design Part 3 pdf

... J.A.G. (1987) Selection and Use of Engineering Materials, 3rd Farag, M.M. (1989) Selection of Materials and Manufacturing Processes for Engineering Design Prentice-Hall, Fontana, ... defined by A PCP 2 = Eo (;)"exp- (g) (3. 14) where R is the gas constant (8 .31 4 J/mol K). Engineering materials and their properties 21 Fig. 3. 1 The menu of en...

Ngày tải lên: 11/08/2014, 02:21

... Elastomers Beryllium-copper Spring steel 3 0-4 5 30 30 35 10 0- 30 0 5-1 0 5-1 0 1. 6-1 .8 1. 6-1 .7 2-2 .1 2-2 .1 1 0-2 0 8-1 2 1 0-2 0 Widely used for cheap hinged bottle caps. etc. Stiffer ... This selection must be balanced against the cost. Low cost fans can be made by die-casting a metal, or by injection-moulding a polymer (Table...

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... processing and design 11 .1 Introduction and synopsis A process is a method of shaping, finishing or joining a material. Sand casting, injection moulding, polishing andfusion welding ... the designer should bear in mind. Materials processing and design 271 Table 11.1 Levels of finish Finish, pm R = 0.01 R = 0.1 R = 0. 2-0 .5 R = 0. 5-2 R = 2...

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... D48 Corrosion in wateddilute acid satisfactory 0.91 -0 . 93 0.1 -0 .2 43 82 100 - 200 0 .33 4-1 5 D4 1-5 0 resistant 0.92 0.2 69 0 .33 13 D50 ex c e 11 en t - 16 0-1 98 *Source ... (JkgK) 800 - 80 0-8 40 Modulus (GPa) 121 125 121 -1 2s T-expansion ( K-') 14.4 13. 5 12. 4- 13. 5 T-conductivity (W/m K) 125 - 12...

Ngày tải lên: 11/08/2014, 02:21

... 11 0- 120 9 5-1 15 6 7-7 3 5 0-6 0 2 8 -3 2 17 0- 180 10 8-1 13 8 0- 104 10 3- 1 20 9 6- 140 6 7-9 2 12 0-1 40 5. 5-6 .5 1 3- 2 3 3 8-6 4 270 1-5 0 6-1 5 4. 5-8 .0 3 -6 1. 8-4 .0 0.1 9 0-1 20 13 0 -3 00 3. 4-6 .0 ... 540 - 5 80 6. 8-1 2 3- 1 00 1 2 -3 0 9-1 8 7-1 5 4-8 .8 0. 2-0...

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... develops a strategy for exploiting materials in design. 1.2 Materials in design Design is the process of translating a new idea or a market need into the detailed information from which a product ... old cylinder cleaners. This is made possible by a higher power-density in the motor, reflecting better magnetic materials and higher operating temperatures (heat-resistant i...

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... Process. McGraw-Hill, New York. Design Council, London, and Springer, Berlin. General texts on materials selection in design Budinski, K. (1979) Engineering Materials, Properties and Selection. ... include primary forming processes (like casting and forging), material removal processes (machining, drilling), finishing processes (such as polishing) and joining processes (wel...

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... application in materials engineering. None contains the approach developed here. * Also called the ‘structural loading coefficient’, the ‘strain number’ or the ‘strain index’ 70 Materials Selection ... 84 Materials Selection in Mechanical Design Dieter, G.E. (1991) Engineering Design, A Materials and Processing Approach, 2nd edition, Chapter 5, Gordon, ......

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... Q m r m 3 0 W c Lc L- Lc 5 5 Lc m W 3 m > - 2 c a a 168 Materials Selection in Mechanical Design Fig. 7 .3 Mechanical efficiency is obtained by combining material ... derived in a similar way. We take the tube as an example. Its bending stiffness is Clr4 E nr3t = ~- ClEI C1E s= - -e3 -e3 e3 4 (A7 .3) Selection of mate...

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... 0.1 7-0 .24 1-2 11 1 1-1 5 Steel 20 0- 2 10 7.82 -7 .84 2 5 -3 0 1.8 9- 10 AI 7075 T6 71 -7 3 2.8 -2 .82 1 5-2 5 3 1 2-1 5 CFRP 10 0- 160 1. 5-1 .6 1 0- 15 7 2 3- 2 8 Spruce 9. 8- 11.9 0 .3 6-0 .44 1-2 9 ... ‘/*/(k$/m3 )* a: /3/ C,p (MPa)2 /3/ (k$/m3)* MI (GPa)’/’/(k$/m’ )* Mz (MPa)’i3/(k$/m3)* 0.5 2-0 .64 9. 8-...

Ngày tải lên: 11/08/2014, 02:21