Material fatigue is generally considered the most-common failure mode for welded parts and structures subject to dynamic loads and stresses. The two previous articles in this series delved into the ...
Fatigue due to repetitive strain is the leading cause of failure in metal components and structures, but new research shows how crystalline structures called nanotwins can slow the accumulation of ...
A few guidelines show how to correctly use FEA stresses to find reasonable margins of safety. Although finite-element analysis has become an indispensable part of engineering, a few users knock it ...
Image courtesy Light Structures Image courtesy Light Structures The Author: Terje Sannerud, Chief Commercial Officer, has worked at Light Structures for eight years. He is responsible for all ...
EPRI (Electric Power Research Institute) reports that 7FA gas turbines have a rotor life of about 144,000 hours, or 5,000 starts. The primary life-limiting factor is high cycle fatigue cracks ...
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