In an experiment, scientists observed a metal healing itself ... suspended in a vacuum. Cracks caused by the kind of strain described above are known as fatigue damage: repeated stress and ...

Researchers from Sandia National Laboratories and Texas A&M University have observed a metal repairing itself ... to self-heal nanoscale cracks caused by fatigue damage. The scientists subjected ...

Chinese scientists have found a way to overcome metal fatigue in a process that transforms common stainless steel into a material strong enough for aerospace and other high-grade applications ...