With the aid of sketches compare and contrast the fatigue fracture appearance between an alloy that failed at a low fatigue load and one that failed at a high fatigue load. (e) (f) Propose and briefly...

Extracted text: With the aid of sketches compare and contrast the fatigue fracture appearance between an alloy that failed at a low fatigue load and one that failed at a high fatigue load. (e) (f) Propose and briefly describe one non-destructive method that can be used to detect small cracks on the surface of a metallic alloy.