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Microstructure and Tribological Properties of Fe-Cr-B-Si-based Alloy Coating on the Surface of Scraper Conveyor Middle Trough NM450

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Abstract

This paper aims to develop a surface modification process to improve the surface properties of the middle trough. The coatings were prepared by plasma cladding with Fe-Cr-B-Si-based alloy powders (Ig 6 and Ig7). The organizational structure and micro-hardness of the coatings were analyzed by laboratory equipments. The friction and wear tests were performed to investigate the friction-wear properties of middle trough. The coatings have higher hardness and good friction-wear properties than the substrate. The hardness and friction wear properties of the coating with Ig7 powder are better than those with Ig6 powder. The experimental results show that the surface properties of the middle trough are improved by Fe-Cr-B-Si-based alloy coating, which can improve the middle trough service life. The plasma cladding can be widely used in the surface-modification of middle trough to reduce the waste of resources.

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Authors and Affiliations

  1. College of Mechanical and Vehicle Engineering, Taiyuan University of Technology, Taiyuan, 030024, China

    Junxia Li  (李军霞), Hongyu Zhang  (张弘玉), Wei Zhang & Libo Liu

  2. Shandong Province Key Laboratory of Mine Mechanical Engineering, Shandong University of Science and Technology, Qingdao, 266590, China

    Hongbin Zhang

  3. JMC Heavy Duty Vehicle Co., Ltd, Taiyuan, 030024, China

    Xiaobing Yang

Authors
  1. Junxia Li  (李军霞)
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  2. Hongyu Zhang  (张弘玉)
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  3. Hongbin Zhang
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  4. Xiaobing Yang
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  5. Wei Zhang
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  6. Libo Liu
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Corresponding author

Correspondence to Hongyu Zhang  (张弘玉).

Additional information

Funded by the NSFC-Shanxi Coal Based Low Carbon Joint Fund Focused on Supporting Project (No. U1510205), Shandong Province Key Laboratory of Mine Mechanical Engineering(No.2019KLMM210) and Key Research and Development (R&D) Projects of Shanxi Province (No. 201903D121065)

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Li, J., Zhang, H., Zhang, H. et al. Microstructure and Tribological Properties of Fe-Cr-B-Si-based Alloy Coating on the Surface of Scraper Conveyor Middle Trough NM450. J. Wuhan Univ. Technol.-Mat. Sci. Edit. 35, 967–972 (2020). https://doi.org/10.1007/s11595-020-2343-0

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  • DOI: https://doi.org/10.1007/s11595-020-2343-0

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