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It is desired to produce and aligned carbon fiber-epoxy matrix composite having a longitudinal tensile strength of 800 MPa. Calculate (a) the critical fiber length (in mm), and (b) the volume fraction
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It is desired to produce and aligned carbon fiber-epoxy matrix composite having a longitudinal tensile strength of 800 MPa. Calculate (a) the critical fiber length (in mm), and (b) the volume fraction of fibers necessary if (1) the average fiber diameter is 0.017 mm, (2) the average fiber length is 2.3 mm, (3) the fiber fracture strength is 5500 MPa, (4) the fiber-matrix bond strength is 18 MPa, (5) the matrix stress at fiber failure is 13.5 MPa.

User Vzhemevko
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A certain vehicle loses 3.5% of its value each year. If the vehicle has an initial value of $11,168, construct a model that represents the value of the vehicle after a certain number of years. Use your model to compute the value of the vehicle at the end of 6 years.

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User Travis Heeter
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