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Sintering of cBN Based Materials with a TaC Binder for Cutting Tool Application

Slipchenko, K. V. LU orcid ; Stratiichuk, D. A. ; Turkevich, V. Z. LU ; Belyavina, N. M. ; Bushlya, V. M. LU and Ståhl, J. E. LU (2020) In Journal of Superhard Materials 42(2). p.51-57
Abstract

Abstract: Ceramic matrix composites based on cubic boron nitride with a TaC binder phase are sintered under conditions of high pressure and high temperature. The sintering is carried out in a high-pressure apparatus of the toroid type in the temperature range of 1450–2450°C. It is shown that a chemical reaction between components of the mixture with the formation of TaB2 takes place at a sintering temperature above 2150°C. The microhardness of the composites increases with an increase in the sintering temperature and reaches a maximum value (34 GPa) at 2150°C. The composites show high resistance to mechanochemical wear when used for high-speed machining of nickel-based alloy Inconel 718.

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author
; ; ; ; and
organization
publishing date
type
Contribution to journal
publication status
published
subject
keywords
boron nitride, high pressure, microhardness, tantalum carbide
in
Journal of Superhard Materials
volume
42
issue
2
pages
7 pages
publisher
Springer
external identifiers
  • scopus:85088161917
ISSN
1063-4576
DOI
10.3103/S1063457620020112
language
English
LU publication?
yes
id
77445bc0-b2d1-4037-8be9-53db04225230
date added to LUP
2020-07-28 00:29:16
date last changed
2025-10-14 13:22:15
@article{77445bc0-b2d1-4037-8be9-53db04225230,
  abstract     = {{<p>Abstract: Ceramic matrix composites based on cubic boron nitride with a TaC binder phase are sintered under conditions of high pressure and high temperature. The sintering is carried out in a high-pressure apparatus of the toroid type in the temperature range of 1450–2450°C. It is shown that a chemical reaction between components of the mixture with the formation of TaB<sub>2</sub> takes place at a sintering temperature above 2150°C. The microhardness of the composites increases with an increase in the sintering temperature and reaches a maximum value (34 GPa) at 2150°C. The composites show high resistance to mechanochemical wear when used for high-speed machining of nickel-based alloy Inconel 718.</p>}},
  author       = {{Slipchenko, K. V. and Stratiichuk, D. A. and Turkevich, V. Z. and Belyavina, N. M. and Bushlya, V. M. and Ståhl, J. E.}},
  issn         = {{1063-4576}},
  keywords     = {{boron nitride; high pressure; microhardness; tantalum carbide}},
  language     = {{eng}},
  month        = {{03}},
  number       = {{2}},
  pages        = {{51--57}},
  publisher    = {{Springer}},
  series       = {{Journal of Superhard Materials}},
  title        = {{Sintering of cBN Based Materials with a TaC Binder for Cutting Tool Application}},
  url          = {{http://dx.doi.org/10.3103/S1063457620020112}},
  doi          = {{10.3103/S1063457620020112}},
  volume       = {{42}},
  year         = {{2020}},
}