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A composite of polycrystalline spinel (Young's modulus = 277 GPa) and aligned continuous Kevlar fibers is...
Thin composite lamina is to be made of Kevlar fibers aligned all in the same direction in elastic...
thin composite lamina is to be made of Kevlar fibers aligned all in the same direction in elastic modulus parallel to the fibers must be at least 70 GP must be at least 10 GPa. Kevlar modulus is 124 GPa, and Poisson ratio is 0.35. Epoxy modulus Poisson ratio is 0.33. Consider these calculations a "first cu" in terms of the level of accu a, and the elastic modulus perpendicular to the fibers is 3.5 GPa and a) What is...
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...
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
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....
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.
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...
Question 6: A new generation of fiber-matrix composite is designed for the manufacturing of a med...
Question 6: A new generation of fiber-matrix composite is designed for the manufacturing of a medical examination table. It is desired to produce an aligned carbon fiber-epoxy matrix composite having a longitudinal tensile strength of 550 MPa. Calculate the volume fraction of fibers necessary if the average fiber diameter and length are 0.02 mm and 0.6 mm, respectively, the fiber fracture strength is 4.5 GPa, the fiber-matrix bond strength is 27 MPa, and the matrix stress at composite failure is...
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...
It is desired to produce an aligned carbon fiber-epoxy matrix composite having a 0.16 volume fraction...
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)...
Problem 16.15 It is desired to produce an aligned carbon fiber-epoxy matrix composite having a 0.13...
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...
thin composite lamina is to be made of Kevlar fibers aligned all in the same direction in elastic modulus parallel to the fibers must be at least 70 GP must be at least 10 GPa. Kevlar modulus is 124 GPa, and Poisson ratio is 0.35. Epoxy modulus Poisson ratio is 0.33. Consider these calculations a "first cu" in terms of the level of accu a, and the elastic modulus perpendicular to the fibers is 3.5 GPa and a) What 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
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....
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.
Question 6: A new generation of fiber-matrix composite is designed for the manufacturing of a medical examination table. It is desired to produce an aligned carbon fiber-epoxy matrix composite having a longitudinal tensile strength of 550 MPa. Calculate the volume fraction of fibers necessary if the average fiber diameter and length are 0.02 mm and 0.6 mm, respectively, the fiber fracture strength is 4.5 GPa, the fiber-matrix bond strength is 27 MPa, and the matrix stress at composite failure is...
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...
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)...
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...
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