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It is desired to fabricate a continuous and aligned glass fiber-reinforced Example 4 It is desired to fabricate a continuous and aligned glass fiber -reinforced polyester having a tensile strength of at least 1400 MPa in the longitudinal direction. The maximum possible specific gravity is 1.65. Usin g g, p p the followin g data, determine if such a composite is possible. Justify your decision. Assume a value of 15 MPa for the stress on the matrix at fiber failure. Specific Gravity Tensile Strength [MPa] Gl fib ass fiber 2 50 . 3 500 , Polyester 1.35 50
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