Effect of laser shock processing on microstructure and properties of K403 alloy repaired by laser cladding

Zhang, Peiyu; Cheng, 汪 诚 Wang; Mengyun, 谢孟芸 Xie; Yuqin, 李玉琴 Li; Zhibin, 安志斌 An

doi:10.3788/irla201746.0906003

Cited by 3 publications

(2 citation statements)

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“…The work by He et al [24] also revealed that a considerable compressive residual stress in TC17 coating was introduced by LSP, meanwhile, microstructures and performances of the coating were well improved. The X-40 cobalt-based coatings obtained via laser cladding on the surface of K403 nickel alloy were strengthened with LSP treatment, an 8% improvement in microhardness and 610 MPa uniformly distributed residual compressed stress was obtained by Zhang et al [25]. Lu et al [26] founded that tensile residual stress was transformed into compressive residual stress in Ti-6Al-4V subjected to LSP with pressure of 310 and 396 MPa.…”

Section: Introductionmentioning

confidence: 99%

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Laser shock peening Fe-based coatings for enhancing wear and corrosion resistance

Yang

Zhou

Chen

et al. 2021

Materials Science and Technology

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Laser Shock Peening (LSP) was introduced to reduce the residual stress and improve the wear and corrosion resistance of Fe-based 43X coating on worn U71Mn steel by laser cladding technology. The tensile stress decreased with increasing of laser power density and impact times, finally, transferred to compressive stress. The microstructure of the coatings was refined due to LSP treatment. The refined microstructure and existence of retained Austenite phase resulted in significant improvement in microhardness and anti-wear performances. The coatings after LSP process presented better corrosion resistance. However, impact three times with a higher power density has negative effect on improving the corrosion resistance.

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Section: Introductionmentioning

confidence: 99%

“…The X-40 cobalt-based coatings obtained via laser cladding on the surface of K403 nickel alloy were strengthened with LSP treatment, an 8% improvement in microhardness and 610 MPa uniformly distributed residual compressed stress was obtained by Zhang et al. [25]. Lu et al.…”

Section: Introductionmentioning

confidence: 99%