A simplified hardness model for WC–Co–Cubic cemented carbides

  • Mengde Pang State Key Lab of Powder Metallurgy, Central South University, Changsha, 410083, China
  • Yong Du State Key Lab of Powder Metallurgy, Central South University, Changsha, 410083, China
  • Weibin Zhang Key Laboratory for Liquid-Solid Structural Evolution and Processing of Materials (Ministry of Education), Shandong University, Jinan, 250061, China
  • Yingbiao Peng College of Metallurgy and Material Engineering, Hunan University of Technology, Zhuzhou, 412007, China
  • Peng Zhou School of Mechanical and Electrical Engineering, Hunan University of Science and Technology, Xiangtan, 411201, China
Keywords: Hardness model, WC–Co–Cubic cemented carbides, CALPHAD

Abstract


Hardness is an essential mechanical property related to the performance of cemented carbides. The current work presents an approach to predict the hardness of three-phase WC–Co–Cubic cemented carbides, which establishes a relationship among composition, structure and property. With the input of initial composition and grain sizes of carbides, structural parameters needed to predict the hardness can be calculated by thermodynamic calculations and diffusion simulations. The calculated hardness of a series of WC–Co–Cubic cemented carbides agree reasonably with experimental data. The present model is of reference to predict the hardness for multi-phase composites and design the new type of WC–Co-based cemented carbides.

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Published
2021/07/12
How to Cite
PangM., DuY., ZhangW., PengY., & ZhouP. (2021). A simplified hardness model for WC–Co–Cubic cemented carbides. Journal of Mining and Metallurgy, Section B: Metallurgy, 57(2), 253-259. Retrieved from https://aseestant.ceon.rs/index.php/jmm/article/view/28643
Section
Original Scientific Paper