Mechanics Analysis 2010 Part 2 pdf

... (2. 14)’ (2. 18), (2. 24X2 .26 ) and introducing shear strain y as the difference between angles MI L1 NI and MLN, i.e., as x y= m 2 we can write Eq. (2. 23) in the following form (2. 26) ... Russian). 38 Mechanics and analysis of’ composite materials where (2. 22) can be treated as linear strain-displacement equations. Taking 1, = I, I, = I, = 0 in...

Ngày tải lên: 12/08/2014, 03:20

... of Solids 29 2. 1. 2. 2. 2. 3. 2. 4. 2. 5. 2. 6. 2. 7. 2. 8. 2. 9. 2. 10. 2. 11. 2. 11.1. 2. 1 1 .2. 2. 11.3. 2. 12. Stresses 29 Equilibrium Equations 30 Stress Transformation 32 Principal ... 2. 2 27 0 2. 7-3.0 130 27 50 26 70 24 40 22 20 17300 22 50 25 60 25 50 26 70 1 720 0 21 60 3500 350 3 IO 910 740 24 0 3 50 890 28 60 150 24 0 190 22 0...

Ngày tải lên: 12/08/2014, 03:20

... and complex morphological systems ⇒ analysis of polymer ≠ the small organic materials ⇒ Focus on viscoelasticproperties, dynamic mechanical testing. Polymer analysis üThe most important factor ... advantageous, particularly in the case of tests running for a long time (creep tests) Tests for Producing Design Data TRƯỜNG ĐẠI HỌC BÁCH KHOA ĐÀNẴNG KHOA HOÁ PHÂN TÍCH POLYME (POLYMER ANA...

Ngày tải lên: 12/08/2014, 01:22

... w1 h1" alt="" Specimen Size: üThe most common specimen for ISO 527 is the ISO 3167 Type 1A multipurpose specimen. üASTM D8 82 uses strips cut from thin sheet or film. *The multipurpose test ... failure. üFor ASTM D638, the test speed is determined by the material specification. üFor ISO 527 the test speed is typically 5 or 50mm/min for measuring strength and elongation +and 1mm/min ....

Ngày tải lên: 12/08/2014, 02:20

... beams *Potassium Bromide disk -A very small amount of the solid (approximately 1 -2 mg) is added to pure potassium bromide powder (KBr, 20 0 mg) and ground up as fine as possible. -This is then placed in ... chloride circular plates to produce a thin film. -The plates are then placed in a holder ready for analysis. 3. Thin Films -Placing a sample in a suitable holder, such as a card wi...

Ngày tải lên: 12/08/2014, 02:20

... 4.17 150 Mechanics and analysis of composite materials where the stiffness coefficients are (4.71) (4. 72) where , E 12= E1~ 12+ 2G 12, C=COS~, s=sin4 . El .2 1 - VI2V21 E1 .2 = Dependence ... (4 .27 ) and (4.61), (4. 62) , (4.63) yield 1 I 1 1 El = alol + d1o2 + no"-! [i(biioi +cizo2) +-(diio:+2enoioz +e2141 , E ~ = ~ I C T ~ + ~ ~ Q I +no"...

Ngày tải lên: 12/08/2014, 03:20

... 2( 6,lhl + cx2h2) = 6, 2( q,lh, + qv2h2) = 0 , where A, = hl/h, h2 = hz/h, h = 2( hl + h2) . Constitutive equations are 011 .2 = El ,2( Ex + V 12. 21&y), cy1 .2 = E2,, ... and analysis of composite materials where EXi = Ex3 = E1 KX2 = E2, Ezi = E2, GXzi = Gxz3 = G131 Gxz2 = G23, vx2i = vxz3 = VI31 v ,2 = v23 and El, E2, G13, G231...

Ngày tải lên: 12/08/2014, 03:20

... Fig. 5 .20 ). Then, Eqs. (5 .28 ) yield BII = I/? = 21 .2 GPa mm, B 22 = 1;;) = 35.6 GPamm, CII =Zi:) = 10.1 GPamm2, C 22 = Z;:) = 27 .4 GPamm2, 0 12 = 1;;’ = 5.9 GPamm3, B 12 = 1:;) = ... C 12 =Z[i) = 3.3 GPamm’, 022 =I;;) = 94 GPamm3 , and in accordance with Eqs. (5.78) for R = 100 mm, BI~ = 7.7 GPa mm, E 12 = 3 .2 GPa mm2, 822 = 35.3...

Ngày tải lên: 12/08/2014, 03:20