Composite Materials Design and Applications Part 1 pot

... LLC PART IV: APPLICATIONS 18 Applications 18 .1 Level 1 18 .1. 1 Simply Supported Sandwich Beam 18 .1. 2 Poisson Coefficient of a Unidirectional Layer 18 .1. 3 Helicopter Blade 18 .1. 4 Transmission ... CONSTRUCTION 1 Composite Materials, Interest, and Properties 1. 1 What Is Composite Material? 1. 2 Fibers and Matrix 1. 2 .1 Fibers 1. 2.2 Matrix Materials...

Ngày tải lên: 10/08/2014, 11:21

... the indices 1 and 2, and by changing the sign of the second member Figure 6.23 Maximum Shear Stress a 1 G c E 1 e 1 e c ; a 2 G c E 2 e 2 e c ; b 1 12E c E 1 e 1 3 e c ; b 2 == 12 E c E 2 e 2 3 e c ... Section 7 .1. 8. TX846_Frame_C07 Page 13 9 Monday, November 18 , 2002 12 :17 PM © 2003 by CRC Press LLC Figure 5. 31 Composite Tube Relations TX846_Frame_C05...

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... chapter. 8 .1 COMPOSITE MATERIALS AND THE MANUFACTURING OF AUTOMOBILES 8 .1. 1 Introduction Composite materials have been introduced progressively in automobiles, following polymer materials, ... 18 1 Monday, November 18 , 2002 12 :22 PM © 2003 by CRC Press LLC Figure 7. 61 Flywheel Energy Storage Figure 7.62 Different Flywheel Designs TX846_Frame_C07 Page 18 0 Monday,...

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... g 23 g 13 g 12 j 11 11 j 11 22 j 11 33 2 j 11 23 2 j 11 13 2 j 11 12 j 2 211 j 2222 j 2233 2 j 2223 2 j 2 213 2 j 2 212 j 3 311 j 3322 j 3333 2 j 3323 2 j 3 313 2 j 3 312 2 j 2 311 2 j 2322 2 j 2333 4 j 2323 4 j 2 313 4 j 2 312 2 j 13 11 2 j 13 22 2 j 13 33 4 j 13 23 4 j 13 13 4 j 13 12 2 j 12 11 2 j 12 22 2 j 12 33 4 j 12 23 4 j 12 13 4 j 12 12 s 11 s 22...

Ngày tải lên: 10/08/2014, 11:21

... 1 ¥= e 1 cos 2 a 1 s 1 ¥¥ e s ox ep o R 2e ¥== e 1 p o s 1 R 2 cos 2 a 1 ¥= s y1 e 1 1 s y2 e 2 1 ¥+¥¥ s oy e 1 ¥= e 1 sin 2 a 1 s 1 e 2 s ᐉ2 ¥+¥¥ e s oy ¥ e p o R e ¥== e 2 p 0 s ᐉ2 R 1 tg 2 a 1 2 ... 0 .1% , the maximum limit. e x e y g xy Ó ˛ ÔÔ Ì ˝ ÔÔ Ï¸ 1 1 413 0 1 0.57– 0 0.57– 10 0 01. 107 s x s y t xy Ó ˛ ÔÔ Ì ˝ ÔÔ Ï¸ = s y 1 MPa 10 0¥ 8.5...

Ngày tải lên: 10/08/2014, 11:21

... Goncourt, K.H. Sayers, Composites, No. 3, May/June 19 88, pp. 14 5 15 0. Ⅲ Composites de grande diffusion, A. Jardon, M. Costes, European conference on Composite Materials, London, July 19 87. Ⅲ Conception ... See Sections 5.2.4 or 12 .1. 1. for the definition of the stress resultants. See relations [12 .16 ] for the definition of the constants C 11 , C 22 , C 12...

Ngày tải lên: 10/08/2014, 11:21

... loading Figure 5 .13 Laminate with Balanced Fabrics; Representation 1 4 See Exercises 18 .2.9 and 18 .2 .10 . 5 Apart from space applications, where thicknesses are very small, the skins of sandwich plates are ... 17 .7.2 and the Applications 18 .2 .1 and 18 .3.5 for a better approach. TX846_Frame_C04 Page 55 Monday, November 18 , 2002 12 :07 PM © 2003 by CRC Press LLC...

Ngày tải lên: 10/08/2014, 11:21

... coefficient of thermal expansion, Table 5 .14 shows: a x = 0.64 ¥ 10 -5 and a y = 1. 21 ¥ 10 -5 by permuting the proportions of 0∞ and 90∞. 10 Recall (Sections 3 .1 and 3.2) that u xy /E x = u yx /E y . TX846_Frame_C05 ... Section 3.3.3) e x 800 11 30 0. 71 mm; e y 900 11 30 0.8 mm== == TX846_Frame_C05 Page 95 Monday, November 18 , 2002 12 :09 PM © 2003 by CRC P...

Ngày tải lên: 10/08/2014, 11:21

... becomes then: C[] -1 1/EI 11 1/ EI 12 1/ EI 13 1/ EI 21 1/EI 22 1/ EI 23 1/ EI 31 1/EI 32 1/ EI 33 = ∂ 2 w o ∂ x 2 1 EI 11 M y 1 EI 12 M x 1 EI 13 M xy ¥+¥+¥= EI 11 E h 3 1 12 ∫ E flexure 12 h 3 EI 11 ¥= along x() C 13 C 23 0== EI 11 C 11 C 12 2 C 22 ... F IIIII c 3 s j 11 11 c 3 s j 11 22 c 3 s j 12 12 cs 3 j 12 21 – sc 3 j 211...

Ngày tải lên: 10/08/2014, 11:21

... s 11 s 22 s 33 ++() 2 º {= º 3 s 11 s 22 t 12 2 –() s 22 s 33 t 23 2 –() s 33 s 11 t 31 2 –()++()– } dW dV ˯ ʈ distorsion 1 12G s 11 s 22 –() 2 s 22 s 33 –() 2 + º {= º s 33 s 11 –() 2 6 t 12 2 t 23 2 t 31 2 ++()++} a s 11 s 22 –() 2 s 22 s 33 –() 2 s 33 s 11 –() 2 º ++{ ... Equations 15 .11 and 15 .7, and the simplification 2, at the beginning of Section...

Ngày tải lên: 10/08/2014, 11:21