Effect of Laser Shock Processing on Fatigue Crack Growth Rate of TC4 Repaired Parts

Ge Maozhong; Xiang Jianyun; Tang Yang

doi:10.3788/lop55.071405

[1] Nie X F, He W F, Zhou L C, et al. Experiment investigation of laser shock peening on TC6 titanium alloy to improve high cycle fatigue performance［J］. Materials Science and Engineering A, 2014, 594: 161-167.

[2] Editorial committee of Chinese manufacturing. Made in China 2025［M］. Beijing: People Press, 2015: 1-62.

[3] Huang W D. Laser additive manufacturing［M］. Xi′an: Northwestern Polytechnical University Press, 2007.

[4] Gong X Y, Liu M K, Li Y, et al. Research on repair of TC11 titanium alloy components by laser melting deposition process［J］. Chinese Journal of Lasers, 2012, 39(2): 0203005.

[5] Bendeich P, Alam N, Brandt M, et al. Residual stress measurements in laser clad repaired low pressure turbine blades for the power industry［J］. Materials Science and Engineering A, 2006, 437(1): 70-74.

[6] Lin C M. Parameter optimization of laser cladding process and resulting microstructure for the repair of tenon on steam turbine blade［J］. Vacuum, 2015, 115: 117-123.

[7] Zhou J Z, Huang S, Zuo L D, et al. Effects of laser peening on residual stresses and fatigue crack growth properties of Ti-Al- titanium alloy［J］. Optics and Laser in Engineering, 2014, 52: 189-194.

[8] Ren X D, Zhang Y K, Zhang T, et al. Comparison of the simulation and experimental fatigue crack behaviors in the nanoseconds laser shocked aluminum alloy［J］. Materials & Design, 2011, 32(3): 1138-1143.

[9] Lu J Z, Luo K Y, Dai F Z, et al. Effects of multiple laser shock processing (LSP) impacts on mechanical properties and wear behaviors of AISI 8620 steel［J］. Materials Science and Engineering A, 2012, 536: 57-63.

[10] Sealy M P, Guo Y B, Caslaru R C, et al. Fatigue performance of biodegradable magnesium-calcium alloy processed by laser shock peening for orthopedic implants［J］. International Journal of Fatigue, 2016, 82: 428-436.

[11] Ge M Z, Xiang J Y, Yang L, et al. Effect of laser shock peening on the stress corrosion cracking of AZ31B magnesium alloy in a simulated body fluid［J］. Surface & Coatings Technology, 2017, 310: 157-165.

[12] Yan S X, Dong S Y, Xu B S, et al. Mechanics of removing residual stress of Fe314 cladding layers with laser shock processing［J］. Chinese Journal of Lasers, 2013, 40(10): 1003004.

[13] Wang C, Lai Z L, An Z B, et al. Properties improvement of laser cladded TC4 titanium alloy by laser shock processing［J］. Journal of Jiangsu University, 2013, 34(3): 331-334.

[14] He W F, Zhang J, Yang Z J, et al. Fatigue properties research of titanium alloy repaired by laser cladding and laser shock processing［J］. Chinese Journal of Lasers, 2015, 42(11): 1103008.

[15] Luo K Y, Zhou Y, Lu J Z, et al. Influence of laser shock peening on microstructure and property of cladding layer of 316L stainless steel［J］. Chinese Journal of Lasers, 2017, 44(4): 0402005.

[16] Ge M Z, Xiang J Y, Yang X H. Effects of laser cladding remanufacturing on microstructure and impact toughness of TC4 titanium alloy［J］. Hot Working Technology, 2017, 46(20): 178-182.

[17] Hou L F, Wei Y H, Shu X F, et al. Nanocrystalline structure of magnesium alloys subjected to high energy shot peening［J］. Journal of Alloys and Compounds, 2010, 492(1/2): 347-350.

[18] Shu D L. Metal mechanical properties［M］. Beijing: China Machine Press, 1999: 1-169.

[19] Huang S, Zhu Y, Guo W, et al. Effect of laser peening on fatigue strength of TC17 titanium alloys［J］. Laser & Optoelectronics Progress, 2017, 54(11): 111406.