5) The figure shows lamina having fiber orientation at 45° is loaded with different loads iflamina have the following strengthLongitudinal tensile = 1062 MPaLongitudinal.compressive = 610 MPaTransversal,tensile = 31 MPa(ii)(1)Transversal,CompressiveOshear strength= 72 MPaEL -38.6 GPa, E₁-8.27 GPa, MLT-0.26 and GLT 4.14 GPaPredict if lamina will fail or not as per:Maximum stress-theoryMaximum strain theoryTsai-Hill theory118 MPa25 MPa50 MPa50 MPa

In this problem, we have to check the lamina will fail by using maximum strain theory. Write the…

5) The figure shows lamina having fiber orientation at 45° is loaded with different loads if lamina have the following strength Longitudinal,tensile = 1062 MPa Longitudinal.compressive = 610 MPa Transversal,tensile = 31 MPa Transversal,Compressive = 118 MPa Oshear strength = 72 MPa EL -38.6 GPa, Er-8.27 GPa, HLT-0.26 and GLT- 4.14 GPa Predict if lamina will fail or not as per: (ii) (1) Maximum stress theory Maximum strain theory Tsai-Hitt theory

5) The figure shows lamina having fiber orientation at 45° is loaded with different loads if lamina have the following strength Longitudinal,tensile = 1062 MPa Longitudinal.compressive = 610 MPa Transversal,tensile = 31 MPa Transversal,Compressive = 118 MPa Oshear strength = 72 MPa EL -38.6 GPa, Er-8.27 GPa, HLT-0.26 and GLT- 4.14 GPa Predict if lamina will fail or not as per: (ii) (1) Maximum stress theory Maximum strain theory Tsai-Hitt theory

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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A composite has 20 vol% fibres with Ef = 150 GPa in a matrix Em = 30 GPa. If subjected to load parallel to the fibre direction, the fibre would fail first when the stress of fibre reaches 22.5 GPa. Note the composite stress is expressed as o̟ = Vf0s, + (1-Vf) omfı. The matrix would fail later at a failure strain of 0.4, where the composite stress is expressed as a, = (1 – V;)ơm- Assume both the matrix and the fibres deform elastically and subsequently undergo brittle fracture. What would be the maximum stress the composite can withstand? 8.1 GPa 4.5 GPa 12 GPa 22.5 GPa 9.6 GPa
Subject :- Mechanical Engineering
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