Hi All,

I have to do a four point flexural test for sandwich

I have to find a suitable Face for my core of the sandwich.

I am to choose one of these three choices:

first selection: 2 layers 0°/0°

second choice: 2 layers 0°/90°

third choice: 2 layers -45°/45°

I am for first choice(0°/0°), because Faces can only be loaded under normal stress!

am I right?

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