Virtual Labs

Fatigue Test

1. A rod with cross-section area of 3.22 cm² is subjected to static mean tensile load of 44.5 kN. What fatigue stress amplitude σ_a will produce failure after 106 cycles? Assume σ_n = 220.6 kN/m² , σ_u = 415 kN/m².

a: 196.85 kN/m² Explanation

Explanation

b: 146.85 kN/m² Explanation

Explanation

c: 280 kN/m² Explanation

Explanation

d: 725.45 kN/m² Explanation

Explanation