A second unidirectional composite also comprises aligned continuous fibres in an epoxy matrix but with carbon fibres at a volume fraction of 0.25 and glass fibres at a volume fraction of 0.25. Calculate the percentage of the stress carried by (i) glass fibres and (ii) carbon fibres just prior to any fracture. Estimate the longitudinal tensile fracture stress of this composite. Material Young modulus/ Poisson ratio Tensile strength/ GPa MPa Carbon 300 0.10 2100 Glass 72 0.22 1800 Ероху resin 4 0.40 120
A second unidirectional composite also comprises aligned continuous fibres in an epoxy matrix but with carbon fibres at a volume fraction of 0.25 and glass fibres at a volume fraction of 0.25. Calculate the percentage of the stress carried by (i) glass fibres and (ii) carbon fibres just prior to any fracture. Estimate the longitudinal tensile fracture stress of this composite. Material Young modulus/ Poisson ratio Tensile strength/ GPa MPa Carbon 300 0.10 2100 Glass 72 0.22 1800 Ероху resin 4 0.40 120
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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
Transcribed Image Text:A second unidirectional composite also comprises aligned continuous fibres in an epoxy matrix but with
carbon fibres at a volume fraction of 0.25 and glass fibres at a volume fraction of 0.25.
Calculate the percentage of the stress carried by (i) glass fibres and (ii) carbon fibres just prior to
any fracture.
Estimate the longitudinal tensile fracture stress of this composite.
Material
Young modulus/
Poisson ratio
Tensile strength/
GPa
MPa
Carbon
300
0.10
2100
Glass
72
0.22
1800
Epoxy resin
4
0.40
120
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