Laser & Optoelectronics Progress, Volume. 55, Issue 2, 021403(2018)

Friction Reducing Mechanism of High Speed Steel Surface with Ni-Based WC Stripes by Laser Cladding

Yanlin Wang1、*, Yuan He1, Xing Hong1, Bin Chen1, and Aibing Yu1
Author Affiliations
  • 1 Faculty of Electrical Engineering and Computer Science, Ningbo University, Ningbo, Zhejiang 315211, China
  • 1 Faculty of Mechanical Engineering and Mechanics, Ningbo University, Ningbo, Zhejiang 315211, China
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    Ni-based WC stripes on the W6Mo5Cr4V2 high speed steel (HSS) specimen surfaces are fabricated by the laser cladding technique. The friction and wear tests of HSS specimens and specimens with Ni-based WC cladding stripes are carried out, respectively. The friction coefficients of specimens are measured and the friction reducing mechanism of HSS specimens with Ni-based WC stripes is investigated. The results show that the friction coefficients of specimens with Ni-based WC cladding stripes are lower than those of HSS specimens, and they decrease with the decrease of cladding stripe space. Graphite precipitation and Ni meltal self-contained within the specimens with Ni-based WC cladding stripes have a better friction reducing effect, and the friction-reducing mechanism of Ni-based WC cladding stripes is the combination of hard phase with soft substrates.

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    Yanlin Wang, Yuan He, Xing Hong, Bin Chen, Aibing Yu. Friction Reducing Mechanism of High Speed Steel Surface with Ni-Based WC Stripes by Laser Cladding[J]. Laser & Optoelectronics Progress, 2018, 55(2): 021403

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    Paper Information

    Category: Lasers and Laser Optics

    Received: Apr. 21, 2017

    Accepted: --

    Published Online: Sep. 10, 2018

    The Author Email: Wang Yanlin (wangyanlin@nbu.edu.cn)

    DOI:10.3788/LOP55.021403

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