(SI units) A fiberglass composite consists of a matrix of vinyl ester and reinforcing fibers of E-glass. The volume fraction of E-glass = 30%. The density of the vinyl ester = 0.882 g/cm3, and its modulus of elasticity = 3.60 GPa. The density of E-glass = 2.60 g/cm3 and its modulus of elasticity = 76.0 GPa. A section of composite 1.00 cm by 25.00 cm by 200.00 cm is fabricated with the E-glass fibers running longitudinal in the 200-cm direction.
(SI units) A fiberglass composite consists of a matrix of vinyl ester and reinforcing fibers of E-glass. The volume fraction of E-glass = 30%. The density of the vinyl ester = 0.882 g/cm3, and its modulus of elasticity = 3.60 GPa. The density of E-glass = 2.60 g/cm3 and its modulus of elasticity = 76.0 GPa. A section of composite 1.00 cm by 25.00 cm by 200.00 cm is fabricated with the E-glass fibers running longitudinal in the 200-cm direction.
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Transcribed Image Text:(SI units) A fiberglass composite consists of a matrix
of vinyl ester and reinforcing fibers of E-glass. The
volume fraction of E-glass = 30%. The density of the
vinyl ester = 0.882 g/cm3, and its modulus of
elasticity = 3.60 GPa. The density of E-glass= 2.60
g/cm3 and its modulus of elasticity = 76.0 GPa. A
section of composite 1.00 cm by 25.00 cm by
200.00 cm is fabricated with the E-glass fibers
running longitudinal in the 200-cm direction.
Assume there are no voids in the composite.
Determine the (a) mass of vinyl ester in the section,
(b) mass of E-glass fibers in the section, and (c)
density of the composite.
Determine the modulus of elasticity in (d) the
longitudinal direction of the glass fibers and (e) the
perpendicular direction to the glass fibers.
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