The researchers closely watched as a 40-nanometer-thick piece of platinum, suspended in a vacuum, self-heal nanoscale cracks.

One of them showed signs of metal fatigue, and investigators believe ... 231 passengers bound for Honolulu when it suffered a failure in its right-hand engine. Passengers on board the Denver ...

Those weak spots can lead to fatigue cracking ... to maintain their pauses longer as they look at the cause of the metal failures. An in-depth investigation into the Osprey by The AP published ...

The Pentagon is temporarily pausing flights again of its fleet of V-22 Ospreys after weakened metal components were found in a part after another near crash ...

0.1 and with the maximum stress indicated on the graph for each life to failure. Compression testing shows a stress level decrease of about a factor of two for the same fatigue life. These tests ...

At the time the crew did not realize the seriousness of the failure ... metal caused by foreign substances getting mixed in during the manufacturing process. Those weak spots can lead to fatigue ...

At the time the crew did not realize the seriousness of the failure ... metal caused by foreign substances getting mixed in during the manufacturing process. Those weak spots can lead to fatigue ...