In an aligned and continuous carbon fiber-reinforced nylon 6,6 composite, the fibers are to carry 94...
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 is 50 MPa (7250 psi).
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In an aligned and continuous carbon fiber-reinforced nylon 6,6
composite, the fibers are to carry 94...
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...
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For a continuous and aligned fiber-reinforced composite, the modulus of elasticity in the longitudinal directions is...
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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....
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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...
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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
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
Chapter 16, Problem 16.17 Compute the longitudinal tensile strength of an aligned glass fiber-epoxy matrix composite in which the average fiber diameter and length are 0.0135 mm (0.53 x 10-4 in.) and 1.58 mm (0.062 in.), respectively, and the volume fraction of fibers is 0.33. Assume that (1) the fiber-matrix bond strength is 100 MPa (14,500 psi), (2) the fracture strength of the fibers is 3500 MPa (5 x 105 psi), and (3) the matrix stress at composite failure is...
It is desired to produce an aligned carbon fiber-epoxy matrix composite having a 0.16 volume fraction of fibers. Calculate (a) the critical fiber length, and (b) the longitudinal strength of the composite (in MPa), assuming the following: (1) the average fiber diameter is 0.018 mm, (2) the average fiber length is 5.7 mm, (3) the fiber fracture strength is 2.0 GPa, (4) the fiber-matrix bond strength is 84 MPa, (5) the matrix stress at fiber failure is 27.1 MPa, (6)...
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....
Problem 16.15 It is desired to produce an aligned carbon fiber-epoxy matrix composite having a 0.13 volume fraction of fibers. Calculate (a) the critical fiber length, and (b) the longitudinal strength of the composite (in MPa), assuming the following: (1) the average fiber diameter is 0.013 mm, (2) the average fiber length is 5.7 mm, (3) the fiber fracture strength is 3.0 GPa, (4) the fiber-matrix bond strength is 84 MPa, (5) the matrix stress at fiber failure is 18.0...
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.
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