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It is desired to produce an aligned carbon fiber-epoxy matrix composite having a 0.16 volume fraction...
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...
For an aligned carbon fibre-epoxy matrix composite having a 0.25 volume fraction of fibres, compute the...
For an aligned carbon fibre-epoxy matrix composite having a 0.25 volume fraction of fibres, compute the critical fibre length = Assuming the following: 1) an average fiber diameter of 7.80 x 10 mm 2) an average fiber length of 9.3 mm 3) a fiber fracture strength of 4.5 GPa 4) a fiber-matrix bond strength of 75 MPa 5) a matrix stress at composite failure of 6.0 MPa 6) a matrix tensile strength of 60 MPa. Express answers with three significant...
It is desired to produce an aligned carbon fibre-epoxy matrix composite having a longitudinal tensile strength...
It is desired to produce an aligned carbon fibre-epoxy matrix composite having a longitudinal tensile strength of 462 MPa. Calculate the necessary volume fraction of fibres- Assume the following: (1) the average fibre diameter and length are 9.03 x 10 mm and 0.434 mm, respectively (2) the fibre fracture strength is 4.0 GPa (3) the fibre-matrix bond strength is 25 MPa (4) the matrix stress at composite failure is 70 MPa Express answers with three significant figures
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...
Chapter 16, Problem 16.17 Compute the longitudinal tensile strength of an aligned glass fiber-epoxy matrix composite...
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...
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...
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.
An injection molded rectangular bar is constituted of 20% by volume of perfectly aligned short glass...
An injection molded rectangular bar is constituted of 20% by volume of perfectly aligned short glass fibers dispersed in Nylon 6,6. The bar is uniaxially pulled until fracture. Calculate the average stress in the fiber at the point of failure of the composite and hence determine the tensile strength of the composite bar. Assume the breaking strength of the fiber and matrix are 3200 MPa and 70 MPa, respectively and that the matrix shear strength is 32 MPa. The fibers...
Find the longitudinal tensile strength of resulting composite. Given: Ti-aluminum metal matrix composite- Fiber volume f...
Find the longitudinal tensile strength of resulting
composite.
Given: Ti-aluminum metal matrix composite- Fiber volume
fraction: 27%,Ti matrix: at 427°C, Em = 87.5 GPa, νm = 0.3. Alumina
fibers: at 427°C, Ef = 379 GPa, νf = 0.27
Ti-aluminum metal matrix composite Fiber volume fraction: 27% Ti matrix: at 427°C, Em 87.5 GPa, v 0.3 . Alumina fibers: at 427"C, E,-379 GPa, v,-0.27 o Find the longiiudinal tnsile sirengih of resuling cormpositc
Ti-aluminum metal matrix composite Fiber volume fraction: 27%...
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...
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...
For an aligned carbon fibre-epoxy matrix composite having a 0.25 volume fraction of fibres, compute the critical fibre length = Assuming the following: 1) an average fiber diameter of 7.80 x 10 mm 2) an average fiber length of 9.3 mm 3) a fiber fracture strength of 4.5 GPa 4) a fiber-matrix bond strength of 75 MPa 5) a matrix stress at composite failure of 6.0 MPa 6) a matrix tensile strength of 60 MPa. Express answers with three significant...
It is desired to produce an aligned carbon fibre-epoxy matrix composite having a longitudinal tensile strength of 462 MPa. Calculate the necessary volume fraction of fibres- Assume the following: (1) the average fibre diameter and length are 9.03 x 10 mm and 0.434 mm, respectively (2) the fibre fracture strength is 4.0 GPa (3) the fibre-matrix bond strength is 25 MPa (4) the matrix stress at composite failure is 70 MPa Express answers with three significant figures
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...
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...
An injection molded rectangular bar is constituted of 20% by volume of perfectly aligned short glass fibers dispersed in Nylon 6,6. The bar is uniaxially pulled until fracture. Calculate the average stress in the fiber at the point of failure of the composite and hence determine the tensile strength of the composite bar. Assume the breaking strength of the fiber and matrix are 3200 MPa and 70 MPa, respectively and that the matrix shear strength is 32 MPa. The fibers...
Find the longitudinal tensile strength of resulting
composite.
Given: Ti-aluminum metal matrix composite- Fiber volume
fraction: 27%,Ti matrix: at 427°C, Em = 87.5 GPa, νm = 0.3. Alumina
fibers: at 427°C, Ef = 379 GPa, νf = 0.27
Ti-aluminum metal matrix composite Fiber volume fraction: 27% Ti matrix: at 427°C, Em 87.5 GPa, v 0.3 . Alumina fibers: at 427"C, E,-379 GPa, v,-0.27 o Find the longiiudinal tnsile sirengih of resuling cormpositc
Ti-aluminum metal matrix composite Fiber volume fraction: 27%...
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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