Hey Seppe87. I wud like to give some more details about Buckling. It is very critical and thus its prevention is necessary rather than cure. Practically, while designing the column when Buckling criteria is considered, the given load is multiplied by a Factor of safety (FOS). suppose FOS is...
Maximum Bending Stress can be found using flexural formula (σ/y)= (M/I) where σ is bending stress, y is distance of outermost fibre from the Neutra axis, M is maximum Bending moment and I is the Moment of Inertia.