Please round to the nearest one (i.e., 1). Calculate the modulus of elasticity of a fiber-reinforced...
Q4 Acomposite consists of 65% polyester resin is reinforced by continuous and aligned glass fibers. The modulus elasticity of hardened resin is 4 0 GPa and the modulus elasticity of the ibers la 52.0 GPa. Compute: a. The overall modulus elasticity of composite in the longitudinal direction parallel 04. to fiber direction b. The load carried by each matrix and iber phase, If uniaxial srss of 50 MPa is applied in longitudinal direction on the 250 mm2 cross-sectional area. c....
For a continuous and aligned fiber-reinforced composite, the modulus of elasticity in the longitudinal directions is 39.4 GPa. If the volume fraction of fibers is 0.60 and the modulus of elasticity of matrix phase is 2.67 GPa, determine the modulus of elasticity of the composite in transverse direction. O 6.28 GP 4.25 GP 4.37 GPa O 6.40 GPS
Problem 8 10 pts) A continuous and aligned fiber-reinforced composite part has cross sectional area of 300 mm2 and consists of35 vol% glass fibers and 65 vol% of a nylon 6,6 matrix. If a longitudinal tensile load of 50kN is applied to the composite, determine (a) the longitudinal modulus of elasticity of the composite, (b) the longitudinal strain in the composite, (c) the stress in each phase (fiber and matrix), and (d) the magnitude of the load carried by each...
A continuous and aligned fiber-reinforced composite is to be produced consisting of 41 vol% aramid fibers and 59 vol% of a polycarbonate matrix; mechanical characteristics of these two materials are as follows: Modulus of Elasticity [GPa (psi)] Tensile Strength [MPa (psi)] Aramid fiber 131 (19 × 106) 3600 (520,000) Polycarbonate 2.4 (3.5 × 105) 65 (9425) Assume that this composite has a cross-sectional area of 320 mm2 (0.50 in.2) and is subjected to a longitudinal load of 49700 N (11200...
In an aligned and continuous carbon fiber-reinforced nylon 6,6 composite, the fibers are to carry 94 % of a load applied in the longitudinal direction. Modulus of Elasticity [GPa(psi)] Tensile Strength [MPa(psi)] Carbon fiber 260 (37 ×106) 4000 (5.8 ×105) Nylon 6,6 2.8 (4.0 ×105) 76 (11,000) (a) Using the data provided, determine the volume fraction of fibers that will be required. (b) What will be the tensile strength of this composite? Assume that the matrix stress at fiber failure...
Problem 16 (16%) A 24 in x 24 in square reinforced concrete column consists of PCC and steel rebar. The rebar are oriented parallel to the longitudinal dimension of the column. The properties of each component are provided in the table below: Material % of Composite (by vol.) Modulus of Elasticity Density Failure Stress Steel Rebar Dispersed Phase) 4% 29 x 106 psi 490 lb/ft3 36 x 103 psi PCC (Matrix Phase) 96% 3.37 x 10° psi 150 lb/ft3 3.5...
A 200 mm x 300 The of each mm square reinforced concrete column consists of PCC and steel rebar rebar are oriented parallel to the longitudinal dimension of the column. The properties component are provided in the table below PCC (Matrix Phase 95% 20 GPa 24 Mg'm 20 MPa Material Steel Rebar 5% 200 GPa 7.8 Mg/m (Dis Phase % of Composite(by vol.) Modulus of Elasticity Density Failure Stress 250 MPa Determine the following: (a) (3%) Modulus of elasticity of...
Calculate the modulus of elasticity for a composite material consisting of 60 percent by volume of continuous E-glass fiber and 40 percent epoxy resin for the matrix when stressed under isostress conditions. The modulus of elasticity of the E glass is 72.4 GPa and that of the epoxy resin is 3.1GPa.
For the following fiber and matrix material properties Fiber (F) Matrix 1 (M1)Matrix2 (M2) Elastic Modulus Shear Modulus Poisson's Ratio Densitv 85 GPa 35 GPa 0.20 2500 kg/m 3.5 GPa 1.5 GPa 0.30 35 GPa 15 GPa 0.30 1200 kg/m3 1800 kg/m Use following fiber volume ratio values with 0.05 increment. Vf - (0,0.05, 0. 10, 0.15, 0.20, 0.25,..,1) 1. (25 pts.) Determine the fiber to composite load ratio (F/ ) vs. fiber volume ratio Vf) curves for F-M1 and...
03(a) A reinforced concrete beam is acted on by a positive bending moment. reinforcement consists of 4 bars of 28 mm diameter. The modulus of elasticity is E 25 GPa for the concrete and E-200 GPa for the steel. The allowable stresses for the concrete and steel are ơ.-9.2 MPa and ơ.-135 MPa, respectively. Determine the maximum permissible positive bending moment. (10 marks) 625 mm 4 bars 28 mm -300 mm Figure Q3(a) 03(b) A simply supported beam that is...