applied fracture mechanics

Fracture Mechanics Analysis ofFretting Fatigue Considering Small Crack Effects, Mixed Mode, and Mean Stress Effect 193Figure 21. Evaluation results on ΔK, K max and K min using minimum stress leading to fracture inexperiments under LC for sample A when (a)(d) P=60 N/mm, σm= 0 MPa, (b)(e) P=150 N/mm,σm= 0 MPa, (c)(f) P=150 N/mm, σm= 400 MPa, (g)(i) P=300 N/mm, σm= 0 MPa, and (h)(j) P=300 N/mm,σm= 400 MPa