China Foundry

, Volume 16, Issue 5, pp 307–312 | Cite as

Microstructures and erosion-corrosion behavior of Fe-B alloy containing chromium and nickel

  • Da-wei YiEmail author
  • Yu-pu Shi
  • Han-guang Fu
  • Jin Chen
  • Chong Li
Research & Development


The Fe-B alloy containing chromium and nickel was prepared, and the microstructure and erosion-corrosion behavior of the alloy were investigated by means of scanning electron microscopy, energy dispersive X-ray spectrometry, X-ray diffraction analysis, Leica digital image analysis, a hardness tester and an erosion-corrosion tester. Cr28 white cast iron was used for comparison. Results show that the microstructures of both as-cast and heat-treated Fe-B alloys consist of austenite and borocarbide. The nickel and chromium elements are mainly distributed over the matrix and borocarbide, respectively. The hardness of the austenite matrix and the Rockwell hardness of heat-treated Fe-B alloy are higher than those of as-cast Fe-B alloy. In the erosion-corrosion test of the slurry, the erosion-corrosion weight loss of Fe-B alloy is lower than that of Cr28 white cast iron, indicating the Fe-B alloy displays higher erosion-corrosion resistance.

Key words

microstructure borocarbide chromium nickel erosion-corrosion 

CLC numbers




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Copyright information

© Foundry Journal Agency and Springer Singapore 2019

Authors and Affiliations

  • Da-wei Yi
    • 1
    Email author
  • Yu-pu Shi
    • 1
  • Han-guang Fu
    • 2
  • Jin Chen
    • 1
  • Chong Li
    • 1
  1. 1.College of Materials Science and EngineeringXi’an University of Science and TechnologyXi’anChina
  2. 2.College of Materials Science and EngineeringBeijing University of TechnologyBeijingChina

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