The notch sensitivity q is expressed in terms of fatigue stress concentration factor K_f and theoretical stress concentration factor K_t as

A) $$\frac{{{{\text{K}}_{\text{f}}} + 1}}{{{{\text{K}}_{\text{t}}} + 1}}$$ B) $$\frac{{{{\text{K}}_{\text{f}}} - 1}}{{{{\text{K}}_{\text{t}}} - 1}}$$ C) $$\frac{{{{\text{K}}_{\text{t}}} + 1}}{{{{\text{K}}_{\text{f}}} + 1}}$$ D) $$\frac{{{{\text{K}}_{\text{t}}} - 1}}{{{{\text{K}}_{\text{f}}} - 1}}$$

Answer & Solution

Correct Answer: Option B

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The notch sensitivity q is expressed in terms of fatigue stress...

The notch sensitivity q is expressed in terms of fatigue stress concentration factor Kf and theoretical stress concentration factor Kt as

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The notch sensitivity q is expressed in terms of fatigue stress concentration factor K_f and theoretical stress concentration factor K_t as