A suite of examination techniques is used to discover fatigue cracks in drilling components. Fatigue is the most common cause of drillstem failure and can occur at stresses well below the normal ...

OSLO, July 5 (Xinhua) -- A fatigue fracture in one of the gears caused a fatal Airbus helicopter crash in western Norway in 2016 that killed all 13 people on board, Norway's Accident Investigation ...

Another example of an internal fracture (crack) is noted in Figure 2. This microscopic image of madit SN 0704 Ona Adi, Late Aksumite, is from an unused section of the rock where the tool had broken.

Intramedullary Nailing, Implant Failure, Long Bone Fractures, Subtrochanteric Fracture, Systematic Review Oyagbesan, O.S.