Failure of Materials in Service. What is Failure?. How is it defined?. Is this failure?. What about this?. Or this?. Familiar Failure. Conventional tensile failure mode that we are all familiar with. Brittle Fracture. Ductile Fracture. Failure in Compression. Failure in Torsion.
How is it defined?
All unanticipated mechanical failures must have a cause: