[1] [1] QIN X F, LIU J, ZHAO X G, et al. Fracture failure analysis of transmission gear shaft in a bidirectional gear pump［J］. Engineering Failure Analysis, 2020, 118: 104886.

[3] [3] LUO J, LIU X T, WANG H J, et al. Tolerance analysis for automobile transmission shaft based on minimum cost and reliability target［J］. Science Progress, 2020, 103(4): 36850420959177.

[5] [5] CHEN X, QIU C L. In-situ development of a sandwich microstructure with enhanced ductility by laser reheating of a laser melted titanium alloy［J］. Scientific Reports, 2020, 10: 15870.

[6] [6] CHANG X W, SMITH G C, QUINN J, et al. Optimization of anti-wear and anti-bacterial properties of beta TiNb alloy via controlling duty cycle in open-air laser nitriding［J］. Journal of the Mechanical Behavior of Biomedical Materials, 2020, 110: 103913.

[7] [7] KULKARNI A R, SHUKLA A K, PRABU S S M, et al. Investigations on enhancing the surface mechanical and tribological properties of A356 Al alloy using pulsed laser-assisted nitriding［J］. Applied Surface Science, 2021, 540: 148361.

[8] [8] HWANG T W, WOO Y Y, VANTYNE C J, et al. Feasibility studies of laser surface nitriding on Ti-6Al-4V alloy using a nitric acid solution［J］. Journal of Mechanical Science and Technology, 2017, 31(9): 4175-4182.

[10] [10] ZENG C Y, WEN H, HEMMASIAN ETTEFAGH A, et al. Laser nitriding of titanium surfaces for biomedical applications［J］. Surface and Coatings Technology, 2020, 385: 125397.

[11] [11] BISWAS A, LI L, CHATTERJEE U K, et al. Mechanical and electrochemical properties of laser surface nitrided Ti-6Al-4V［J］. Scripta Materialia, 2008, 59(2): 239-242.

[13] [13] SIM A, PARK C, KANG N, et al. Effect of laser-assisted nitriding with a high-power diode laser on surface hardening of aluminum-containing martensitic steel［J］. Optics & Laser Technology, 2019, 116: 305-314.

[14] [14] LIASHENKO I, ROSELL-LLOMPART J, CABOT A. Ultrafast 3D printing with submicrometer features using electrostatic jet deflection［J］. Nature Communications, 2020, 11: 753.

[17] [17] TIAN Y T, GORA W S, CABO A P, et al. Material interactions in laser polishing powder bed additive manufactured Ti6Al4V components［J］. Additive Manufacturing, 2018, 20: 11-22.

[18] [18] ZHAO X H, ZHANG H C, LIU Y. Effect of laser surface remelting on the fatigue crack propagation rate of 40Cr steel［J］. Results in Physics, 2019, 12: 424-431.