Characterization of wear properties of the functionally graded material deposited on cast iron by laser-aided additive manufacturing

  • Yongfeng Liu
  • Fei Weng
  • Guijun BiEmail author
  • Youxiang Chew
  • Shibo Liu
  • Guangyi Ma
  • Seung Ki Moon


In this study, functionally graded material (FGM) was deposited on cast iron substrate by laser-aided additive manufacturing (LAAM). Inconel 625 nickel-base superalloy was firstly deposited on the substrate as a buffer layer, on which the stainless steel 420 (SS420) layers were subsequently prepared. The cracking issue was successfully eliminated in the deposited materials. With the optimized process parameters, the FGM with thickness up to 4.0 mm was achieved without cracks and other obvious defects. The SS420 layers showed fine dendritic microstructure derived from the rapid cooling rate of the LAAM process. Wear test results indicated that the FGM shows excellent wear resistance, especially under lubricated condition.


Functionally graded material Inconel 625 Stainless steel 420 Cast iron Wear resistance 


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Funding information

The author Yongfeng Liu was financially supported by the Beijing Municipal Natural Science Foundation (3192011) for his part of contribution to this paper.


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Copyright information

© Springer-Verlag London Ltd., part of Springer Nature 2019

Authors and Affiliations

  • Yongfeng Liu
    • 1
  • Fei Weng
    • 2
  • Guijun Bi
    • 2
    Email author
  • Youxiang Chew
    • 2
  • Shibo Liu
    • 2
  • Guangyi Ma
    • 3
  • Seung Ki Moon
    • 4
  1. 1.Beijing Key Laboratory of Performance Guarantee on Urban Rail Transit Vehicles, School of Mechanical-Electronic and Automobile EngineeringBeijing University of Civil Engineering and ArchitectureBeijingChina
  2. 2.Joining Technology GroupSingapore Institute of Manufacturing TechnologySingaporeSingapore
  3. 3.Key Laboratory for Precision and Non-traditional Machining Technology of Ministry of Education, School of Mechanical EngineeringDalian University of TechnologyDalianChina
  4. 4.Singapore Centre for 3D Printing, School of Mechanical and Aerospace EngineeringNanyang Technological UniversitySingaporeSingapore

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