safe life

This term is defined in ECSS-E-ST-32-01C Rev. 1 as
fracture-control design principle, for which the largest undetected defect that can exist in the part does not grow to failure when subjected to the cyclic and sustained loads and environments encountered in the service life

This term is defined in ECSS-E-ST-32C Rev. 1 as
fracture control design principle, for which the largest undetected defect that can exist in the part does not grow to failure when subjected to the cyclic and sustained loads and environments encountered in the service life