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Interpreting a Stress - Strain Curve
Hi all
I was wondering if someone could help shed some light on interpreting a stress strain curve (attached).
It appears that two timber types (soft and hard wood) were loaded parallel and perpendicular to the grain and the stress strain curve produced.
I am trying to make sense of it.
So far i can say that:
loading parallel to the grain for both wood types results in a steeper stress/strain curve thus the young's modulus is greater when loading parallel to the grain, thus the material is stiffer.
I was struggling to make any more sense out of it and i was wondering i could get the opinions of the community?
Thank you.