In my previous column, I noted that the shear strength and shear stiffness of the core material in a sandwich panel can be determined in situ while performing flexural tests to evaluate other sandwich ...

I noted in a 2005 column (see "Current compression test methods" under “Editor's Pick,” at top right) that there are three basic methods of loading a composite material test specimen in compression: ...

Stress is defined as the force per unit area. Thus, the formula for calculating stress is: Where σ denotes stress, F is load and A is the cross sectional area. The most commonly used units for stress ...