4. You are required to design a composite in which the fiber efficiency will reach 90%....

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4. You are required to design a composite in which the fiber efficiency will reach 90%. The fibers are carbon fibers with a tensile strength of 2,000 MPa and a diameter of 7m. In the first trial, you used a fiber length of 10 mm. The outcome was a pullout failure. Determine the interfacial shear bond strength of the fiber in the composite. 4. You are required to design a composite in which the fiber efficiency will reach 90%. The fibers are carbon fibers with a tensile strength of 2,000 MPa and a diameter of 7m. In the first trial, you used a fiber length of 10 mm. The outcome was a pullout failure. Determine the interfacial shear bond strength of the fiber in the composite.