Mechanics Analysis Composite Materials Episode 7 pptx

... 15(6), 76 S 770 (in Russian). Chamis, C.C. (1 979 ). Impetus of composite mechanics on test methods for fiber composites. In Proc. First USA-USSR Symp. Fracture of Composite Materials, ... structure; addition of reinforcements in the 220 Mechanics and analysis of composite materials 200 Mechanics and analysis of composite materials For the layer under st...

Ngày tải lên: 13/08/2014, 17:20

... Composite fibers and deformable matrix 0.51 1420 3.0 1.83 77 .6 2 Composite fibers and high-stiffness matrix 0.52 1430 0.3 1.88 76 .1 3 Glass fibers and high- stiffness matrix 0. 67 1 470 0.2 2. 07 71.0 4 ... the analysis of a cracked cross-ply composite laminate has been studied by Tsai and Azzi (1966), Vasiliev and Elpatievckii (19 67) , Vasiliev et al. (1 970 ), Hahn and Tsai (1 9...

Ngày tải lên: 13/08/2014, 08:20

... (b) δ δ Fig. 7. 52. Circumferential winding with (a) partial overlap w 0 <wand (b) complete overlap w 0 = w. 416 Advanced mechanics of composite materials (a) (b) Fig. 7. 47. Plate no. 2 (see Table 7. 2) ... 411 h 1 i k h i z z i z i−1 P(t) Fig. 7. 42. Laminate under impact load. initial conditions σ z (z = 0,t)=−p(t), σ z (z = h, t) = 0 (7. 71) u z (z, t = 0) = 0, ∂ u z ∂ t (z...

Ngày tải lên: 13/08/2014, 08:21

... .42 13.4 1.3 7. 7 1.36 5.9 1.1 70 1.4 60 2.3 190 1.2 70 0.9 IO0 1.52 60 2.4-2.6 200 2.2 270 2 .7- 3.0 130 275 0 2 670 2440 2220 173 00 2250 2560 2550 2 670 172 00 2160 3500 ... (20-40) 2600-3300 120- 170 0. 97 310 175 00 Carbon (5-1 1) High-strength 70 00 300 1 .75 400 171 00 High-modulus 270 0 850 1 .78 150 477 00 Boron ( 1 O(r200) 2500- 370...

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... Mechanics and analysis of composite materials Goodey, W.J. (1946). Stress Drymion Problems. Aircraft Eng. June, 19.5-198; July, 2 27- 234; August, Karpinos, D.M. (1985). Composite Materials. ... displacement in Eq. (2.38). We have in several steps +7 -(dux) a +r, (du,)]dY a yx aY az 30 Tzx- Merhanics and analysis of composite materials 7 ZY Fig. 2.1....

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... Carbon High 14 26 Glass Moderate 21 36 Aramid Low 66 84 85 .7 71 .4 21.3 84 Mechanics and analysis of composite materials = EIEI, 02 = 0, ti2 = 0 , (3.61) where El = Epf. ... 58 Mechanics and analysis of composite materials For the carbon-epoxy composite material considered above as an example, assume that the foregoing procedure results in...

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... strains, i.e., to materials whose typical stressstrain diagram is shown in Fig. 4.6. 118 Mechanics and analysis of composite materials that is the basic element of composite structures. ... plane of loading are the same, i.e., Fig. 3 .72 . Biaxial compression of a unidirectional composite. 108 Mechanics and analysis of composite materials represented by...

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... 152 Mechanics and analysis of composite materials where compliance coefficients are (4 .75 ) (4 .76 ) There exist the following dependencies between coefficients of Eqs. (4 .71 ) and (4 .75 ): ... dx V Fig. 4. 27. Forces and moments acting on the strip element. 150 Mechanics and analysis of composite materials where the stiffness coefficients are (4 .71 )...

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... 1.5 2.63 0.62 0.50 0. 47 0. 27 82 0.31 0.45 0 .75 0.2 0. 37 0.1 0.05 0.13 El /E2 9 .7 3.2 2 13.1 1.68 5 94 2.1 186 Mechanics and analysis of composite materials where ATl ... cracked cross-ply composite laminate was studied by Tsai and Azzi (1966), Hahn and Tsai (1 974 ), Vasiliev et al. (1 970 ), Vasiliev and Elpatievskii (19 67) , Reifsnaider (1 977...

Ngày tải lên: 13/08/2014, 17:20

... equal to 27c R( 1 + 8:) after the deformation. Thus, the curvature change is (5 .75 ) Fig. 5.19. Experimental cylinder. 248 Mechanics and analysis of composite materials 5 .7. Antisymmetric ... middle plane. 260 Mechanics and analysis of composite materials Applying Eqs. (5 .71 ) to calculate the strains in the plies principal material coordinates and usin...

Ngày tải lên: 13/08/2014, 17:20