# Answer to Question #58920 in Material Science Engineering for Courteney

Question #58920

I have been given values of properties of a CFRP material and asked to calculate a number of matrix (transformation etc). I have done this but I am now asked to calculate the stresses and strains in the 1-2 directions.

Please could you help me? I don't know what equation I should use.

I know to calculate the strains in the x-y direction you use the following;

{εxy }= [s ̅ ]{σxy }

Please could you tell me the matrix to use for;

1. the stresses in the 1-2 directions

2. the strains in the 1-2 directions.

Thank you in advance

Please could you help me? I don't know what equation I should use.

I know to calculate the strains in the x-y direction you use the following;

{εxy }= [s ̅ ]{σxy }

Please could you tell me the matrix to use for;

1. the stresses in the 1-2 directions

2. the strains in the 1-2 directions.

Thank you in advance

Expert's answer

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