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HP-HT sintering, microstructure, and properties of B6O- and TiC-containing composites based on cBN

Turkevych, Dmytro LU ; Bushlya, Volodymyr LU ; Ståhl, Jan-Eric LU ; Petrusha, I. A.; Belyavina, N. N. and Turkevych, Volodymyr LU (2015) In Journal of Superhard Materials 37(3). p.143-154
Abstract
The article presents a study of the potential for the use of B6O superhard boron suboxide as a binder in composite materials with a low cBN content. Superhard B6O is characterized by higher mechanical properties than TiC widely used in commercial materials today. Composites containing 60 vol % cBN and different binder compositions that included B6O and TiC have been sintered in a toroid-type high-pressure apparatus at a pressure of 7.7 GPa in a temperature range from 1500 to 2000 A degrees C. The microstructure, phase and elemental composition of the sintered materials have been examined via electron microscopy and X-ray diffraction analysis. Mechanical properties have been analyzed via indentation techniques. The performance of the... (More)
The article presents a study of the potential for the use of B6O superhard boron suboxide as a binder in composite materials with a low cBN content. Superhard B6O is characterized by higher mechanical properties than TiC widely used in commercial materials today. Composites containing 60 vol % cBN and different binder compositions that included B6O and TiC have been sintered in a toroid-type high-pressure apparatus at a pressure of 7.7 GPa in a temperature range from 1500 to 2000 A degrees C. The microstructure, phase and elemental composition of the sintered materials have been examined via electron microscopy and X-ray diffraction analysis. Mechanical properties have been analyzed via indentation techniques. The performance of the cutting tools produced from the sintered composites has been evaluated in turning hardened cold work tool steel. (Less)
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author
organization
publishing date
type
Contribution to journal
publication status
published
subject
keywords
superhard composites, cubic boron nitride, boron suboxide, titanium, carbide
in
Journal of Superhard Materials
volume
37
issue
3
pages
143 - 154
publisher
Springer
external identifiers
  • wos:000356725800001
  • scopus:84932612739
ISSN
1934-9408
DOI
10.3103/S1063457615030016
language
English
LU publication?
yes
id
9ba315f7-33d0-48f9-bed5-61d0f818bad2 (old id 7596460)
date added to LUP
2015-07-23 09:06:40
date last changed
2017-06-18 03:04:35
@article{9ba315f7-33d0-48f9-bed5-61d0f818bad2,
  abstract     = {The article presents a study of the potential for the use of B6O superhard boron suboxide as a binder in composite materials with a low cBN content. Superhard B6O is characterized by higher mechanical properties than TiC widely used in commercial materials today. Composites containing 60 vol % cBN and different binder compositions that included B6O and TiC have been sintered in a toroid-type high-pressure apparatus at a pressure of 7.7 GPa in a temperature range from 1500 to 2000 A degrees C. The microstructure, phase and elemental composition of the sintered materials have been examined via electron microscopy and X-ray diffraction analysis. Mechanical properties have been analyzed via indentation techniques. The performance of the cutting tools produced from the sintered composites has been evaluated in turning hardened cold work tool steel.},
  author       = {Turkevych, Dmytro and Bushlya, Volodymyr and Ståhl, Jan-Eric and Petrusha, I. A. and Belyavina, N. N. and Turkevych, Volodymyr},
  issn         = {1934-9408},
  keyword      = {superhard composites,cubic boron nitride,boron suboxide,titanium,carbide},
  language     = {eng},
  number       = {3},
  pages        = {143--154},
  publisher    = {Springer},
  series       = {Journal of Superhard Materials},
  title        = {HP-HT sintering, microstructure, and properties of B6O- and TiC-containing composites based on cBN},
  url          = {http://dx.doi.org/10.3103/S1063457615030016},
  volume       = {37},
  year         = {2015},
}