- Generate the stiffness (ABD) matrices for a [45/-45/-45/45] and a [-45/45/-45/45] carbon/epoxy laminate made from 0.25 mm thick unidirectional carbon/epoxy prepreg (AS4/3501-6, Table A.4). Comment on the differences between the two laminates.
This is the beat quality chart I could get
du 0 - 1 Table A4-1 Properties of some commercial fiber composites Hygrothermal Expansion Elastic Constants Strengths Cocfficients Fiber Volume Density E E, G. Tur Material Description Fraction V, (g/cm) (GPa) (GPa) (GPa) (MPa) (MPa) (MPa) (MPa) (MPa) (10**/"C) (10-*/"C) AB Carbon-epoxy 0.70 1.60 181.0 10.30 0.28 7.17 1500 1500 40 246 68 0.02 225 0 0.6 T300/NS208 Carton epoxy 0.66 1.60 138.0 8.96 0.30 7.10 1447 1447 51.7 206 93 -0.3 28.1 0 0.4 AS/H3501 Carbon-PEEK 0.66 134.0 R.90 0.28 5.10 2130 1100 RO 200 160 AS4/APCZ Carbon-epoxy 0.66 1.60 203.0 11.20 0.32 8.40 3500 1540 56 ISO 98 IM6/epoxy Carbon-epoxy 0.60 1.50 1480 9.65 0.30 4.55 1314 1220 43 168 48 T300/Fiberite 934 Boron-epoxy 0.50 2.00 204.0 18.50 0.23 5.59 1260 2500 61 202 67 6.10 30.30 0 06 B-4/NSSOS Glass-epoxy 0.45 1.80 38.6 8.27 0.26 1062 31 72 8,60 22.10 0 0.6 E-glass-cpoxy Aramid-epoxy 0.00 146 76.0 5.50 0.34 2.30 1400 235 12 34 -4.00 29.0 0 0.6 Kevlar 19/epoxy Curton-epoxy 0.60 1.50 74.0 74.0 0.05 4.55 152 458 46 T300/berite 934 (13-mil) Carton-epoxy 1.50 66.0 66.0 0.04 4.10 375 279 368 T-300/Fiberite 934 610 118 499 152 - - - 0.60 278 46 1 1 1 *The first eight materials are unidirectional, while the last two are fabric reinforced. Elastic Constants Strengths Coefficients Fiber Volume Density E E G. 0 TU Fraction V, (g/cm) (GPa) (GPa) *(GPa) (MPa) (MPa) (MPa) (MPa) (MPa) (10*C) (10-PC) AB 0.70 1.60 181.0 10.30 0.28 7.17 1500 1500 40 246 68 0.02 225 0 0.6 0.66 1.60 138.0 8.96 0.30 7.10 1447 1447 51.7 206 93 -0.3 28.1 0 0.4 Material Description" Carbon-epoxy T300/NS208 Carton-epoxy AS/H3501 Carbon-PEEK AS4/APC2 Carbon epoxy IM6/epoxy Carbon-DONY 0.66 1.60 134.0 8.90 0.28 5.10 2130 1100 RO 200 160 1 1 -- 0.66 1.60 203.0 11.20 0.32 8.40 3500 1540 S6 150 98 1 - 1 1 0.60 1.50 1480 9.65 0.10 4.55 1314 1220 43 168 4R 1 du 0 - 1 Table A4-1 Properties of some commercial fiber composites Hygrothermal Expansion Elastic Constants Strengths Cocfficients Fiber Volume Density E E, G. Tur Material Description Fraction V, (g/cm) (GPa) (GPa) (GPa) (MPa) (MPa) (MPa) (MPa) (MPa) (10**/"C) (10-*/"C) AB Carbon-epoxy 0.70 1.60 181.0 10.30 0.28 7.17 1500 1500 40 246 68 0.02 225 0 0.6 T300/NS208 Carton epoxy 0.66 1.60 138.0 8.96 0.30 7.10 1447 1447 51.7 206 93 -0.3 28.1 0 0.4 AS/H3501 Carbon-PEEK 0.66 134.0 R.90 0.28 5.10 2130 1100 RO 200 160 AS4/APCZ Carbon-epoxy 0.66 1.60 203.0 11.20 0.32 8.40 3500 1540 56 ISO 98 IM6/epoxy Carbon-epoxy 0.60 1.50 1480 9.65 0.30 4.55 1314 1220 43 168 48 T300/Fiberite 934 Boron-epoxy 0.50 2.00 204.0 18.50 0.23 5.59 1260 2500 61 202 67 6.10 30.30 0 06 B-4/NSSOS Glass-epoxy 0.45 1.80 38.6 8.27 0.26 1062 31 72 8,60 22.10 0 0.6 E-glass-cpoxy Aramid-epoxy 0.00 146 76.0 5.50 0.34 2.30 1400 235 12 34 -4.00 29.0 0 0.6 Kevlar 19/epoxy Curton-epoxy 0.60 1.50 74.0 74.0 0.05 4.55 152 458 46 T300/berite 934 (13-mil) Carton-epoxy 1.50 66.0 66.0 0.04 4.10 375 279 368 T-300/Fiberite 934 610 118 499 152 - - - 0.60 278 46 1 1 1 *The first eight materials are unidirectional, while the last two are fabric reinforced. Elastic Constants Strengths Coefficients Fiber Volume Density E E G. 0 TU Fraction V, (g/cm) (GPa) (GPa) *(GPa) (MPa) (MPa) (MPa) (MPa) (MPa) (10*C) (10-PC) AB 0.70 1.60 181.0 10.30 0.28 7.17 1500 1500 40 246 68 0.02 225 0 0.6 0.66 1.60 138.0 8.96 0.30 7.10 1447 1447 51.7 206 93 -0.3 28.1 0 0.4 Material Description" Carbon-epoxy T300/NS208 Carton-epoxy AS/H3501 Carbon-PEEK AS4/APC2 Carbon epoxy IM6/epoxy Carbon-DONY 0.66 1.60 134.0 8.90 0.28 5.10 2130 1100 RO 200 160 1 1 -- 0.66 1.60 203.0 11.20 0.32 8.40 3500 1540 S6 150 98 1 - 1 1 0.60 1.50 1480 9.65 0.10 4.55 1314 1220 43 168 4R 1
