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Engineering, 17.12.2019 01:31 nayelycuencax

It is desired to produce and aligned carbon fiber-epoxy matrix composite having a longitudinal tensile strength of 640 mpa. calculate (a) the critical fiber length in mm, and (b) the volume fraction of fibers necessary if

(1) the average fiber diameter is 0.029 mm,

(2) the average fiber length is 2.2 mm,

(3) the fiber fracture strength is 5200 mpa,

(4) the fiber-matrix bond strength is 18 mpa,

(5) the matrix stress at fiber failure is 16.1 mpa.

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