Chinese Journal of Lasers, Volume. 45, Issue 12, 1202012(2018)

Mechanical and Corrosion Properties of Martensite/Ferrite Duplex Stainless Steel Prepared via Laser Cladding

Hongmei Zhu*, Yongzuo Li, Zhenyuan Zhang, Bin He, and Changjun Qiu*
Author Affiliations
  • School of Mechanical Engineering, University of South China, Hengyang, Hunan 421001, China
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    Figures & Tables(6)
    Laser cladding and specimens. (a) Schematic of laser cladding; (b) macroscopic morphology of the laser cladding specimen; (c) sampling plan for tensile specimens; (d) sizes of tensile specimens
    Microstructure analysis of a laser cladding layer. (a) Schaeffler diagram; (b) XRD spectrum; (c) SEM image; (d) EDS analysis results of the particles marked in (c)
    Schematic of formation process of M/Fss cladding layer
    Schematic of properties of the laser-cladded specimen. (a) Hardness curve; (b) tensile curves of three coating specimens; (c) comparison of tensile properties of different laser cladding specimens; (d) typical tensile fracture of cladding layer specimens
    Polarization curves of electrochemical corrosion
    • Table 1. Electrochemical parameters of specimens

      View table

      Table 1. Electrochemical parameters of specimens

      SpecimenEcorr /VIcorr /(A·cm-2)Corrosion rate /(mm·a-1)
      Thiswork7.4858×10-24.1138×10-73.726×10-3
      1Cr136.399×10-13.4234×10-63.1037×10-2
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    Hongmei Zhu, Yongzuo Li, Zhenyuan Zhang, Bin He, Changjun Qiu. Mechanical and Corrosion Properties of Martensite/Ferrite Duplex Stainless Steel Prepared via Laser Cladding[J]. Chinese Journal of Lasers, 2018, 45(12): 1202012

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    Paper Information

    Category: laser manufacturing

    Received: Jul. 9, 2018

    Accepted: Oct. 19, 2018

    Published Online: May. 9, 2019

    The Author Email:

    DOI:10.3788/CJL201845.1202012

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