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
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.
Homework Answers
0.4?3.1 =43.44 +1.24 =44.68 GPa
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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
A unidirectional glass fiber-epoxy matrix composite containing 65 vol% fiber, calculate the modulus of elasticity in...
A unidirectional glass fiber-epoxy matrix composite containing 65 vol% fiber, calculate the modulus of elasticity in the longitudinal direction and the transverse direction. Epoxy has a density of 1.54 g/cm3, modulus of elasticity of 3.5 GPa, yield strength of 60 MPa, tensile strength of 95 MPa, and Poisson’s ratio of 0.33. Glass fiber has a Poisson’s ratio of 0.22.
Question 1. A continuous and aligned fibre-reinforced composite material is to be produced consisting of 40...
Question 1. A continuous and aligned fibre-reinforced composite material is to be produced consisting of 40 vol % glass fibres and 60 vol % of an epoxy matrix. The mechanical characteristics of these two materials are as follows: MaterialModulus of Elasticity rcture Strength (GPa) (MPa) 2500 Glass Fibre 76 Epoxy 3.35 58 For this composite material, estimate by calculation the following parameters: i. The longitudinal tensile strength ii. The longitudinal modulus of elasticity
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...
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....
An unidirectional Glass fibre Epoxy Composite laminate is produced with fibre volume percentage of 40. If...
An unidirectional Glass fibre Epoxy Composite laminate is produced with fibre volume percentage of 40. If the modulus of elasticity of the fibre and matrix are 74 GPa and 2.4 GPa respectively, determine the young's modulus of the composite in the longitudinal transverse directions.
For a continuous and aligned fiber-reinforced composite, the modulus of elasticity in the longitudinal directions is...
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
2. Consider unidirectionally reinforced glass/epoxy composites. The fibers are continuous and 60% by volume. The tensile...
2. Consider unidirectionally reinforced glass/epoxy composites. The fibers are continuous and 60% by volume. The tensile strength of glass fibers is 1 GPa and the Young's modulus is 70 GPa. The tensile strength of the epoxy matrixis 60 MPa and its Young's modulus is 3GPa. Compute the Young's modulus and the tensile strength of the composite in the longitudinal direction.
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 longitud...
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...
An E-glass fiber-thermoset polyester composite tube is carefully constructed with the objective o...
An E-glass fiber-thermoset polyester composite tube is carefully constructed with the objective of achieving maximum axial tensile modulus. The glass fibers are continuous and highly aligned parallel to the tube axis. The tube contains 70% by volume glass, and has dimensions: length lm, diameter 50 mm, and wall thickness Predict the following deformations: a) The changes in length and diameter when the tube carries an axial tensile load of 10kN. The change in diameter when the tube is internally pressurized...
A continuous and aligned fiber-reinforced composite is to be produced consisting of 41 vol% aramid fibers...
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...
For the following fiber and matrix material properties Fiber (F) Matrix 1 (M1)Matrix2 (M2) Elastic Modulus...
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...
Question 1. A continuous and aligned fibre-reinforced composite material is to be produced consisting of 40 vol % glass fibres and 60 vol % of an epoxy matrix. The mechanical characteristics of these two materials are as follows: MaterialModulus of Elasticity rcture Strength (GPa) (MPa) 2500 Glass Fibre 76 Epoxy 3.35 58 For this composite material, estimate by calculation the following parameters: i. The longitudinal tensile strength ii. The longitudinal modulus of elasticity
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....
An unidirectional Glass fibre Epoxy Composite laminate is produced with fibre volume percentage of 40. If the modulus of elasticity of the fibre and matrix are 74 GPa and 2.4 GPa respectively, determine the young's modulus of the composite in the longitudinal transverse directions.
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
2. Consider unidirectionally reinforced glass/epoxy composites. The fibers are continuous and 60% by volume. The tensile strength of glass fibers is 1 GPa and the Young's modulus is 70 GPa. The tensile strength of the epoxy matrixis 60 MPa and its Young's modulus is 3GPa. Compute the Young's modulus and the tensile strength of the composite in the longitudinal direction.
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...
An E-glass fiber-thermoset polyester composite tube is carefully constructed with the objective of achieving maximum axial tensile modulus. The glass fibers are continuous and highly aligned parallel to the tube axis. The tube contains 70% by volume glass, and has dimensions: length lm, diameter 50 mm, and wall thickness Predict the following deformations: a) The changes in length and diameter when the tube carries an axial tensile load of 10kN. The change in diameter when the tube is internally pressurized...
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...
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