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SPS hard metal alloy WC-8Ni-8Fe fabrication based on mechanochemical synthetic tungsten carbide powder.

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Title: SPS hard metal alloy WC-8Ni-8Fe fabrication based on mechanochemical synthetic tungsten carbide powder.
Authors: Shichalin, O.O.1,2 (AUTHOR), Buravlev, I.Yu1,2 (AUTHOR), Portnyagin, A.S.1,2 (AUTHOR) arsuha@gmail.com, Dvornik, M.I.3 (AUTHOR), Mikhailenko, E.A.3 (AUTHOR), Golub, A.V.1 (AUTHOR), Zakharenko, A.M.2 (AUTHOR), Sukhorada, A.E.2 (AUTHOR), Talskikh, K.Yu2 (AUTHOR), Buravleva, A.A.2 (AUTHOR), Fedorets, A.N.2 (AUTHOR), Glavinskaya, V.O.2 (AUTHOR), Nomerovskiy, A.D.2 (AUTHOR), Papynov, E.K.1,2 (AUTHOR)
Source: Journal of Alloys & Compounds. Mar2020, Vol. 816, pN.PAG-N.PAG. 1p.
Subjects: Britannia metal, Alloys, Tungsten carbide, Powders, Fracture toughness
Abstract: The paper presents fabrication of WC-Ni-Fe hard metal alloy with the density up to 99.9% from theoretical, hardness ∼1303 HV, fracture toughness ∼12.4 MPa m0.5, compressive strength ∼1365 MPa and without open porosity. High quality of the materials is provided by the original synthesis route based on powder preparation and sintering. WC powder (particle size 0.1–14 μm) was obtained via mechanochemical synthesis using available precursors and polymethyl methacrylate to enhance the grinding. Rapid SPS consolidation was performed at 1200 °C and below achieving high density with the holding time being less than 18 min. Increased amount of Ni–Fe (8 wt% of each component) was used to enhance SPS heating due to deep wetting of the particles and, therefore, improved conductivity of the whole system. Earlier unknown data on densification dynamics and phase composition are presented for WC-8Ni-8Fe alloy under SPS sintering in the temperature range 1100–1200 °C. The results are proved by the means of XRD, SEM and EDX. • SPS-derived WC-Ni-Fe alloy with high binder phase content to improve compaction. • Mechanochemical synthesis was used to obtain powders from cheap, available precursors. • Original high-temperature mechanochemical method yielded in optimal powder fractions. • SPS regime was optimized using densification dynamics based on dilatometry curves. • Obtained alloy shows the same mechanical properties as the best WC-Co alloys. [ABSTRACT FROM AUTHOR]
Copyright of Journal of Alloys & Compounds 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
FullText Text:
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Header DbId: egs
DbLabel: Engineering Source
An: 140465638
AccessLevel: 6
PubType: Academic Journal
PubTypeId: academicJournal
PreciseRelevancyScore: 0
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  Label: Title
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  Data: SPS hard metal alloy WC-8Ni-8Fe fabrication based on mechanochemical synthetic tungsten carbide powder.
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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%22">Buravlev, I.Yu</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Portnyagin%2C+A%2ES%2E%22">Portnyagin, A.S.</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<i> arsuha@gmail.com</i><br /><searchLink fieldCode="AR" term="%22Dvornik%2C+M%2EI%2E%22">Dvornik, M.I.</searchLink><relatesTo>3</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Mikhailenko%2C+E%2EA%2E%22">Mikhailenko, E.A.</searchLink><relatesTo>3</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="%22Zakharenko%2C+A%2EM%2E%22">Zakharenko, A.M.</searchLink><relatesTo>2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Sukhorada%2C+A%2EE%2E%22">Sukhorada, A.E.</searchLink><relatesTo>2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Talskikh%2C+K%2EYu%22">Talskikh, K.Yu</searchLink><relatesTo>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="%22Fedorets%2C+A%2EN%2E%22">Fedorets, A.N.</searchLink><relatesTo>2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Glavinskaya%2C+V%2EO%2E%22">Glavinskaya, V.O.</searchLink><relatesTo>2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Nomerovskiy%2C+A%2ED%2E%22">Nomerovskiy, A.D.</searchLink><relatesTo>2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Papynov%2C+E%2EK%2E%22">Papynov, E.K.</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)
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  Data: <searchLink fieldCode="JN" term="%22Journal+of+Alloys+%26+Compounds%22">Journal of Alloys & Compounds</searchLink>. Mar2020, Vol. 816, pN.PAG-N.PAG. 1p.
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  Data: <searchLink fieldCode="DE" term="%22Britannia+metal%22">Britannia metal</searchLink><br /><searchLink fieldCode="DE" term="%22Alloys%22">Alloys</searchLink><br /><searchLink fieldCode="DE" term="%22Tungsten+carbide%22">Tungsten carbide</searchLink><br /><searchLink fieldCode="DE" term="%22Powders%22">Powders</searchLink><br /><searchLink fieldCode="DE" term="%22Fracture+toughness%22">Fracture toughness</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: The paper presents fabrication of WC-Ni-Fe hard metal alloy with the density up to 99.9% from theoretical, hardness ∼1303 HV, fracture toughness ∼12.4 MPa m0.5, compressive strength ∼1365 MPa and without open porosity. High quality of the materials is provided by the original synthesis route based on powder preparation and sintering. WC powder (particle size 0.1–14 μm) was obtained via mechanochemical synthesis using available precursors and polymethyl methacrylate to enhance the grinding. Rapid SPS consolidation was performed at 1200 °C and below achieving high density with the holding time being less than 18 min. Increased amount of Ni–Fe (8 wt% of each component) was used to enhance SPS heating due to deep wetting of the particles and, therefore, improved conductivity of the whole system. Earlier unknown data on densification dynamics and phase composition are presented for WC-8Ni-8Fe alloy under SPS sintering in the temperature range 1100–1200 °C. The results are proved by the means of XRD, SEM and EDX. • SPS-derived WC-Ni-Fe alloy with high binder phase content to improve compaction. • Mechanochemical synthesis was used to obtain powders from cheap, available precursors. • Original high-temperature mechanochemical method yielded in optimal powder fractions. • SPS regime was optimized using densification dynamics based on dilatometry curves. • Obtained alloy shows the same mechanical properties as the best WC-Co alloys. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Journal of Alloys & Compounds 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.jallcom.2019.152547
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      – Code: eng
        Text: English
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        PageCount: 1
        StartPage: N.PAG
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        Type: general
      – SubjectFull: Alloys
        Type: general
      – SubjectFull: Tungsten carbide
        Type: general
      – SubjectFull: Powders
        Type: general
      – SubjectFull: Fracture toughness
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      – TitleFull: SPS hard metal alloy WC-8Ni-8Fe fabrication based on mechanochemical synthetic tungsten carbide powder.
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              Text: Mar2020
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