Give an approximate value for the tensile strength of a Boron/Aluminum composite with Vf = 0.4. Aluminum 2024 has E = 71 GPa, Poisson = 0.334, yield strength Sy = 76 MPa, strain-to-failure Ey = 22%. Boron fibers have E = 400 GPa, strength = 3.4 GPa, Poisson = 0.25.a. Compute F1t, assuming the Aluminum matrix remains elastic up to failure. If the value found is larger than Sy, the matrix yields, thus invalidating the assumption.b. Recompute using O1 = VfOf + (1 - Vf)Omc. Check that the strain-to-failure is not exceeded. Problem 4.14 Give an approximate value for the tensile strength of a Boron/Aluminumcomposite with Vj = 0.4. Aluminum 2024 has E = 71 GPa, Potsson = 0.334, yield strengthSy = 76 MPa, strain-to-failure = 22%. Boron fibers have E = 400 GPa, strength= 3.4 GPa, Poisson = 0.25.(c) Compuie Fit assuming the Aluminum matriz remains eiastic up to failure. If the valuefound is larger than Sy, the matriz yields, thus invalidating the assumption.(B) Recompute using 71=Vgo!+ (1–V})7m.(c) Check that the strain-to-failure is not exceeded. EmFu - [V₁ + (1-V₁)] F₁(4.68)

The matrix is aluminum and fibers are of boron. The volume fraction of fiber is Vf=0.4. The elastic…

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Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

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Give an approximate value for the tensile strength of a Boron/Aluminum composite with Vf = 0.4. Aluminum 2024 has E = 71 GPa, Poisson = 0.334, yield strength Sy = 76 MPa, strain-to-failure Ey = 22%. Boron fibers have E = 400 GPa, strength = 3.4 GPa, Poisson = 0.25.

a. Compute F1t, assuming the Aluminum matrix remains elastic up to failure. If the value found is larger than Sy, the matrix yields, thus invalidating the assumption.

b. Recompute using O1 = VfOf + (1 - Vf)Om

c. Check that the strain-to-failure is not exceeded.

Problem 4.14 Give an approximate value for the tensile strength of a Boron/Aluminum
composite with Vj = 0.4. Aluminum 2024 has E = 71 GPa, Potsson = 0.334, yield strength
Sy = 76 MPa, strain-to-failure = 22%. Boron fibers have E = 400 GPa, strength
= 3.4 GPa, Poisson = 0.25.
(c) Compuie Fit assuming the Aluminum matriz remains eiastic up to failure. If the value
found is larger than Sy, the matriz yields, thus invalidating the assumption.
(B) Recompute using 71=Vgo!+ (1–V})7m.
(c) Check that the strain-to-failure is not exceeded.

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