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I realise this is a question that borders on Mechanical Engineering, but I was hoping someone could help. I am looking at finding experimental data that will point to variability in a composites material properties such as G1C,G12,E11,E22,V12 or fibre angles.For example, if G1C has a design value of 550J/m^2, I am looking at information that would point to the uncertainty in this value in terms of standard deviation in experimental data.


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