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Comparative study of WC-based hard alloys fabrication via spark plasma sintering using Co, Fe, Ni, Cr, and Ti binders.

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Title: Comparative study of WC-based hard alloys fabrication via spark plasma sintering using Co, Fe, Ni, Cr, and Ti binders.
Authors: Shichalin, O.O.1,2 (AUTHOR), Buravlev, I.Yu.1,2 (AUTHOR) buravlev.i@gmail.com, Papynov, E.K.1,2 (AUTHOR), Golub, A.V.1 (AUTHOR), Belov, A.A.1,2 (AUTHOR), Buravleva, A.A.2 (AUTHOR), Sakhnevich, V.N.2 (AUTHOR), Dvornik, M.I.3 (AUTHOR), Vlasova, N.M.3 (AUTHOR), Gerasimenko, A.V.1 (AUTHOR), Reva, V.P.2 (AUTHOR), Yudakov, A.A.1 (AUTHOR)
Source: International Journal of Refractory Metals & Hard Materials. Jan2022, Vol. 102, pN.PAG-N.PAG. 1p.
Subjects: Alloys, Sintering, Tungsten carbide, Fracture toughness, Hard materials, Chromium alloys
Abstract: The paper presents a method of fabrication and a comparison of the characteristics of obtained cemented carbide samples based on tungsten carbide with 10% metal binder. They were synthesized by spark plasma sintering (SPS) at different sintering temperatures: Co (1200 °C), Fe and Ni (1150 °C), Cr (1500 °C), and Ti (1400 °C). During the SPS-consolidation process, investigations of the dilatometric characteristics of samples of starting powders of identical granulometric composition obtained by mixing/grinding resulting in the fractional composition in the particle size range up to 10 μm are presented. The mechanism of phase formation and microstructure of the obtained materials is investigated by XRD, SEM, and EDS. The possibility of synthesizing hard alloys WC – 10%Ti and WC – 10% Cr by the mechanism of reaction SPS synthesis with a reduction in the synthesis time in comparison with traditional sintering methods has been demonstrated. Analyses have shown that during sintering of alloys containing Ti and Cr the volume content of WC decreases to 47% because of dissolution and interaction, while in alloys containing Co, Ni, and Fe, the volume content of WC remains unchanged (85–86%). This led to a dramatic change in hardness, fracture toughness, and strength when replacing Co, Ni, or Fe with Ti or Cr. • WC-based hard alloys with binder phase high concentration content was SPS obtained. • Alloy's starting powders are obtained via WC mixing/milling with binders in one stage. • SPS-RS data of WC-10%Cr and WC-10%Ti are first presented. [ABSTRACT FROM AUTHOR]
Copyright of International Journal of Refractory Metals & Hard Materials is the property of Elsevier B.V. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Engineering Source
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Header DbId: egs
DbLabel: Engineering Source
An: 153599227
AccessLevel: 6
PubType: Academic Journal
PubTypeId: academicJournal
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  Label: Title
  Group: Ti
  Data: Comparative study of WC-based hard alloys fabrication via spark plasma sintering using Co, Fe, Ni, Cr, and Ti binders.
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  Data: <searchLink fieldCode="AR" term="%22Shichalin%2C+O%2EO%2E%22">Shichalin, O.O.</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Buravlev%2C+I%2EYu%2E%22">Buravlev, I.Yu.</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<i> buravlev.i@gmail.com</i><br /><searchLink fieldCode="AR" term="%22Papynov%2C+E%2EK%2E%22">Papynov, E.K.</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Golub%2C+A%2EV%2E%22">Golub, A.V.</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Belov%2C+A%2EA%2E%22">Belov, A.A.</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Buravleva%2C+A%2EA%2E%22">Buravleva, A.A.</searchLink><relatesTo>2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Sakhnevich%2C+V%2EN%2E%22">Sakhnevich, V.N.</searchLink><relatesTo>2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Dvornik%2C+M%2EI%2E%22">Dvornik, M.I.</searchLink><relatesTo>3</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Vlasova%2C+N%2EM%2E%22">Vlasova, N.M.</searchLink><relatesTo>3</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Gerasimenko%2C+A%2EV%2E%22">Gerasimenko, A.V.</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Reva%2C+V%2EP%2E%22">Reva, V.P.</searchLink><relatesTo>2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Yudakov%2C+A%2EA%2E%22">Yudakov, A.A.</searchLink><relatesTo>1</relatesTo> (AUTHOR)
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  Data: <searchLink fieldCode="JN" term="%22International+Journal+of+Refractory+Metals+%26+Hard+Materials%22">International Journal of Refractory Metals & Hard Materials</searchLink>. Jan2022, Vol. 102, pN.PAG-N.PAG. 1p.
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  Data: <searchLink fieldCode="DE" term="%22Alloys%22">Alloys</searchLink><br /><searchLink fieldCode="DE" term="%22Sintering%22">Sintering</searchLink><br /><searchLink fieldCode="DE" term="%22Tungsten+carbide%22">Tungsten carbide</searchLink><br /><searchLink fieldCode="DE" term="%22Fracture+toughness%22">Fracture toughness</searchLink><br /><searchLink fieldCode="DE" term="%22Hard+materials%22">Hard materials</searchLink><br /><searchLink fieldCode="DE" term="%22Chromium+alloys%22">Chromium alloys</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: The paper presents a method of fabrication and a comparison of the characteristics of obtained cemented carbide samples based on tungsten carbide with 10% metal binder. They were synthesized by spark plasma sintering (SPS) at different sintering temperatures: Co (1200 °C), Fe and Ni (1150 °C), Cr (1500 °C), and Ti (1400 °C). During the SPS-consolidation process, investigations of the dilatometric characteristics of samples of starting powders of identical granulometric composition obtained by mixing/grinding resulting in the fractional composition in the particle size range up to 10 μm are presented. The mechanism of phase formation and microstructure of the obtained materials is investigated by XRD, SEM, and EDS. The possibility of synthesizing hard alloys WC – 10%Ti and WC – 10% Cr by the mechanism of reaction SPS synthesis with a reduction in the synthesis time in comparison with traditional sintering methods has been demonstrated. Analyses have shown that during sintering of alloys containing Ti and Cr the volume content of WC decreases to 47% because of dissolution and interaction, while in alloys containing Co, Ni, and Fe, the volume content of WC remains unchanged (85–86%). This led to a dramatic change in hardness, fracture toughness, and strength when replacing Co, Ni, or Fe with Ti or Cr. • WC-based hard alloys with binder phase high concentration content was SPS obtained. • Alloy's starting powders are obtained via WC mixing/milling with binders in one stage. • SPS-RS data of WC-10%Cr and WC-10%Ti are first presented. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of International Journal of Refractory Metals & Hard Materials is the property of Elsevier B.V. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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RecordInfo BibRecord:
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      – Type: doi
        Value: 10.1016/j.ijrmhm.2021.105725
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      – Code: eng
        Text: English
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        PageCount: 1
        StartPage: N.PAG
    Subjects:
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        Type: general
      – SubjectFull: Sintering
        Type: general
      – SubjectFull: Tungsten carbide
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      – SubjectFull: Fracture toughness
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      – SubjectFull: Hard materials
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      – SubjectFull: Chromium alloys
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              M: 01
              Text: Jan2022
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