I am unable to grasp the Stress and safety Factor?

- February 4, 2021 at 8:02 am
  
  Faryal
  Subscriber
- 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
- February 4, 2021 at 11:36 am
  
  Faryal
  Subscriber
  
  My material is aluminum and it is ductile but there is maximum stress, minimum stress, average stress. Which one among the results i should consider?.

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