Physicist probes causes of life-shortening 'dwell fatigue' in titanium

"Dwell fatigue" is a phenomenon that can occur in titanium alloys when held under stress, such as a jet engine's fan disc during takeoff. This peculiar failure mode can initiate microscopic cracks that drastically reduce a component's lifetime.

from Phys.org - latest science and technology news stories https://ift.tt/RbmAY4s