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Investigation of Al2O3/TiB2 ceramic cutting tool materials with the addition of core–shell structured Ni–B coated CaF2

  • Changchao Sheng , Chonghai Xu , Hui Chen , Mingdong Yi , Guangchun Xiao , Zhaoqiang Chen and Longhua Xu
Published/Copyright: August 7, 2019
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International Journal of Materials Research
From the journal International Journal of Materials Research Volume 110 Issue 8

Abstract

Al2O3 based self-lubricating ceramic tool materials with the addition of CaF2@Ni–B were prepared using the vacuum hot-pressing technique. The microstructure, mechanical properties and cutting performance of the material with different contents of CaF2@Ni–B were studied. Compared to its counterpart tool material without CaF2@Ni–B, the fracture toughness and flexural strength of the Al2O3/TiB2/(CaF2@Ni–B) self-lubricating ceramic tool materials increased by 40.5 % and 10.1 %, and the tool life increased by 25 %.

Keywords: Self-lubricating ceramic; Core–shell structure; Microstructure; Mechanical properties; Cutting performance
∗Correspondence address, Professor Chonghai Xu, School of Mechanical and Automotive Engineering, Qilu University of Technology, Daxue Road, Western University Science Park, Jinan, 250353, P.R. China, Tel: +86-0531-89631131, Fax: +86-0531-89631131, E-mail address:

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Received: 2018-12-15
Accepted: 2019-03-23
Published Online: 2019-08-07
Published in Print: 2019-08-12

© 2019, Carl Hanser Verlag, München

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https://doi.org/10.3139/146.111800
Keywords for this article
Self-lubricating ceramic; Core–shell structure; Microstructure; Mechanical properties; Cutting performance

Articles in the same Issue

  1. Contents
  2. Contents
  3. Original Contributions
  4. Dendritic solidification of highly undercooled dilute alloys
  5. Dendritic structure formation of magnesium alloys for the manipulation of corrosion properties: Part 2 – corrosion
  6. Thermodynamic properties of cerium molybdate
  7. A new approach to reduce springback in sheet metal bending using digital image correlation
  8. Effects of minor La and Ce additions on microstructure and mechanical properties of A201 alloy
  9. Strengthening and toughening of laminated TiAl composite sheets by titanium alloy layers and carbide particles
  10. A fractal analysis for the microstructures of β-SiC films
  11. Synthesis of La2(Zr0.7Ce0.3)2O7 nanopowder using a simple chemical precipitation method and heat treatment at high temperature
  12. Optimized microstructure with alumina micropowder and its effects on properties of phosphate-bonded castables
  13. Co-deposition and electrokinetic behavior of TiO2–WO3 nanoparticles under non-uniform AC field
  14. 3D nanoflower-structured TiO2 photoanode for efficient photoelectrochemical water splitting
  15. Short Communications
  16. Investigation of Al2O3/TiB2 ceramic cutting tool materials with the addition of core–shell structured Ni–B coated CaF2
  17. DGM News
  18. DGM News
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