Question: 3. Consider a crack having an elliptical cross-section with a/b=10, within a titanium beam that is subject to a tensile stress of 25MPa. The tensile

3. Consider a crack having an elliptical cross-section with a/b=10, within

3. Consider a crack having an elliptical cross-section with a/b=10, within a titanium beam that is subject to a tensile stress of 25MPa. The tensile stress is oriented perpendicularly to the long axis of the ellipse. The applied stress of 25MPa is considered very safe by some people since it is such a small fraction of the yield stress of titanium, 450MPa. Do you agree with this assessment of the safety? Why or why not

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