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Ansys Learning Forum › Forums › Discuss Simulation › General Mechanical › I am unable to grasp the Stress and safety Factor? › Reply To: I am unable to grasp the Stress and safety Factor?

February 4, 2021 at 11:31 am
peteroznewman
Subscriber
nIt depends on the material properties.nDuctile materials are evaluated against Equivalent Stress.nBrittle materials are evaluated against Maximum Principal Stress.nThere is a material property called Elongation, sometimes called Elongation at Break. nElongation is the value of Total Strain when the material fractures.nDuctile materials have Elongation greater than 0.05 or 5%nBrittle materials have Elongation less than 0.05 or 5%.n