Analysis and Research of the High-Cycle Fatigue Fracture Mode Based on Stress Ratio and Residual Stress of Ti-6Al-4V

<div>Fatigue fracture surface of the specimen with residual stress. (a) R = -0.6, σa ≥ 552 MPa, and Nf ≥ 4 230 323. (b) R = -0.3, σa ≥ 458 MPa, and Nf ≥ 9 780 627. (c) R&lt;/I ≥ 0.1, σa ≥ 342 MPa, and Nf ≥ 9 565 303.</div>

Advances in Materials Science and Engineering

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Figure 8

Figure 8: Analysis and Research of the High-Cycle Fatigue Fracture Mode Based on Stress Ratio and Residual Stress of Ti-6Al-4V 