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What is fatigue strength?

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in Aerospace Materials & Processes by (828k points)
What is fatigue strength?

(a) Strength/weight ratio

(b) Elasticity

(c) Resistance to cyclical stress

(d) Strain energy

The question was asked during an online interview.

This interesting question is from Materials Selection topic in division Materials Selection of Aerospace Materials & Processes

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Right option is (c) Resistance to cyclical stress

Easy explanation: The highest point up to which the material can resist cycles of stress. Aircraft are affected by several stresses and loads. It is important to consider their resistance to these loads and stresses to avoid failure.

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