Tag
#fatigue
3 topics across all disciplines.
Fatigue and fracture in structural steel
Why welded steelwork cracks at loads far below yield, how EN 1993-1-9 detail categories work, what a fatigue fracture face tells an inspector, and how brittle fracture differs from fatigue and why cold weather changes the answer.
Crane gantries and runway beams
How an overhead travelling crane loads the building it runs in — wheel loads, impact, surge and thrust, the runway beam and its fatigue problem, rail fixings and wear, and the alignment tolerances that decide whether the crane lasts.
Case hardening and surface engineering
Carburising, nitriding, induction and flame hardening compared, what case depth really means, why compressive residual stress is the point, and where plating and coatings help or cause hydrogen embrittlement.