PSI - Issue 79

Oleg Plekhov et al. / Procedia Structural Integrity 79 (2026) 168–175

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residual stresses in the bulk of the sample. Given that at low amplitudes of the applied stress, the fracture in the regime of gigacycle fatigue originates in the bulk of the sample, the appearance of tensile stresses catastrophically reduced the fatigue life. Acknowledgements The study was made in the framework of the government task, registration number of the theme 124020700047-3. References [1] J. Everaerts, X. Song, B. Nagarajan, A.M. Korsunsky, "Evaluation of macro-and microscopic residual stresses in laser shock-peened titanium alloy by FIB-DIC ring-core milling with different core diameters." Surface and Coatings Technology 349 (2018): 719-724. [2] S. Luo, X. Nie, L. Zhou, Y. Li, W. He, "High cycle fatigue performance in laser shock peened TC4 titanium alloys subjected to foreign object damage." Journal of Materials Engineering and Performance 27 (2018): 1466-1474. [3] X. Pan, X. Li, L. Zhou, X. Feng, S. Luo, W. He, "Effect of residual stress on S – N curves and fracture morphology of Ti6Al4V titanium alloy after laser shock peening without protective coating." Materials 12.22 (2019): 3799. [4] P. Ouyang, X. Luo, Z. Dong, S. Zhang, "Numerical prediction of the effect of laser shock peening on residual stress and fatigue life of Ti-6Al 4V titanium alloy." Materials 15.16 (2022): 5503. [5] W. Hu, M. Yi, "Predicting tensile behavior and fatigue life of laser shock peened titanium alloy by crystal plasticity model." International Journal of Fatigue 187 (2024): 108476. [6] A. Nikitin, C. Bathias, T. Palin ‐ Luc, "A new piezoelectric fatigue testing machine in pure torsion for ultrasonic gigacycle fatigue tests: application to forged and extruded titanium alloys." Fatigue & Fracture of Engineering Materials & Structures 38.11 (2015): 1294-1304. [7] H. Mayer, "Recent developments in ultrasonic fatigue." Fatigue & Fracture of Engineering Materials & Structures 39.1 (2016): 3-29. [8] L. Wagner, M. Mhaede, M. Wollmann, I. Altenberger, Y. Sano, "Surface layer properties and fatigue behavior in Al 7075 ‐ T73 and Ti ‐ 6Al ‐ 4V: Comparing results after laser peening; shot peening and ball ‐ burnishing." International Journal of Structural Integrity 2.2 (2011): 185-199. [9] J.J. Ruschau, R. John, S.R. Thompson, "Fatigue crack nucleation and growth rate behavior of laser shock peened titanium." International Journal of Fatigue 21 (1999): S199-S209. [10] N. Maharjan, S.Y. Chan, T. Ramesh, P.G. Nai, D.T. Ardi, "Fatigue performance of laser shock peened Ti6Al4V and Al6061 ‐ T6 alloys." Fatigue & Fracture of Engineering Materials & Structures 44.3 (2021): 733-747. [11] Y. Ye, Y. Zhang, T. Huang, S. Zou, Y. Dong, H. Ding, V.K. Vasudevan, C. Ye, "A critical review of laser shock peening of aircraft engine components." Advanced Engineering Materials 25.16 (2023): 2201451. [12] M. Pavan, D. Furfari, B. Ahmad, M.A. Gharghouri, "Fatigue crack growth in a laser shock peened residual stress field." International Journal of Fatigue 123 (2019): 157-167. [13] S. Chupakhin, B. Klusemann, N. Huber, N. Kashaev, "Application of design of experiments for laser shock peening process optimization." The International Journal of Advanced Manufacturing Technology 102 (2019): 1567-1581. [14] Q. Liu, C.H. Yang, K. Ding, S.A. Barter, L. Ye, "The effect of laser power density on the fatigue life of laser ‐ shock ‐ peened 7050 aluminium alloy." Fatigue & fracture of engineering materials & structures 30.11 (2007): 1110-1124. [15] B. Wang, L. Cheng, D. Li, "Study on very high cycle fatigue properties of forged TC4 titanium alloy treated by laser shock peening under three-point bending." International Journal of Fatigue 156 (2022): 106668. [16] E. Gachegova, D. Davydov, S. Mironov, A. Kalinenko, M. Ozerov, S. Zherebtsov, O. Plekhov, "The Influence of Absorbing Coating Material on the Efficiency of Laser Shock Peening." Metals 14.9 (2024): 1045. [17] Staden, S.N., Polese, C., Glaser, D., Nobre, J.-P., Venter, A.M., Marais, D., Okasinski, J., Park, J.-S. Measurement of Residual Stresses in Different Thicknesses of Laser Shock Peened Aluminium Alloy Samples. Materials Research Proceedings, 2018, 4, 117-122. [18] Goruleva, L.S., Zadvorkin, S.M., Vichuzhanin, D.I., Savrai, R.A., Skorynina, P.A. An experimental and computational study of through-depth strain distribution during frictional treatment of a metastable austenitic steel. Diagnostics, Resource and Mechanics of materials and structures, 2023, 6, 132 – 144. [19] Гончар , А . В ., Плехов , О . А ., Курашкин , К . В ., Гачегова , Е . А ., Вшивков , А . Н ., Пантелеев , И . А . Определение остаточных напряжений в образце из стали AISI 316ti ультразвуковым методом после лазерной ударной проковки . Дефектоскопия, 2025, 4, 16 -28. [20] ASTM E837-13a. Standard Test Method for Determining Residual Stresses by the Hole-Drilling Strain-Gage Method. [21] ASTM E915-19. Standard Test Method for Verifying the Alignment of X-Ray Diffraction Instrumentation for Residual Stress Measurement.