- #1

barbarahowser

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Hi,

I am trying to analyze a composite part which is made of carbon/epoxy and has [+45/-45]2s as the layup. I got the following material properties for carbon/epoxy from the textbook "Engineering Mechanics of Composite Materials", by I.M. Daniel & O. Ishai,

Longitudinal Modulus, E1=147Gpa

Transverse In-plane, E2=10.3Gpa

Transverse out of plane, E3=10.3Gpa

In plane shear modulus, G12=7Gpa

Out of plane shear modulus, G23=3.7Gpa

Out of plane shear modulus, G13=7Gpa

Major in-plane Poisson's ratio, niu12=0.27

Major in-plane Poisson's ratio, niu23=0.54

Major in-plane Poisson's ratio, niu13=0.27

The coordinate system of the part is shown in figure attached with the fiber laid up in the YZ plane. Can someone please tell me how I can transform the material properties given above into the coordinate system shown in (composite part.jpeg)

Thanks,

Barbara

I am trying to analyze a composite part which is made of carbon/epoxy and has [+45/-45]2s as the layup. I got the following material properties for carbon/epoxy from the textbook "Engineering Mechanics of Composite Materials", by I.M. Daniel & O. Ishai,

Longitudinal Modulus, E1=147Gpa

Transverse In-plane, E2=10.3Gpa

Transverse out of plane, E3=10.3Gpa

In plane shear modulus, G12=7Gpa

Out of plane shear modulus, G23=3.7Gpa

Out of plane shear modulus, G13=7Gpa

Major in-plane Poisson's ratio, niu12=0.27

Major in-plane Poisson's ratio, niu23=0.54

Major in-plane Poisson's ratio, niu13=0.27

The coordinate system of the part is shown in figure attached with the fiber laid up in the YZ plane. Can someone please tell me how I can transform the material properties given above into the coordinate system shown in (composite part.jpeg)

Thanks,

Barbara