Military and industrial products and systems may be required to operate or function significantly longer than what they were originally designed for (years, miles, cycles, etc.). Lifetime Extension Assessment addresses the potential risks and possible solutions associated with extending the lives of products, systems and processes.
In simplest terms, an item fails when a stress to which it is subjected exceeds the corresponding strength. In this sense, strength can be viewed as “resistance to failure”. Good design practice is such that the strength is always greater than the expected stress. The safety factor “η” can be defined in terms of strength… Read More