Hard Metal Production by ERS: Processing Parameter Roles in Final Properties

Cemented carbide is a hard composite material, used widely in a variety of industries. The value of the global tungsten carbide market is expected to grow by 4.4% (compound annual growth rate) from 2017 to 2022. One of the main markets is in metal cutting and wear parts, where small pieces (or inser...

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Main Authors: José María Gallardo, Iñigo Agote, Raquel Astacio, Thomas Schubert, Jesús Cintas, Juan Manuel Montes, Yadir Torres, Francisco G. Cuevas
Format: Article
Language:English
Published: MDPI AG 2019-02-01
Series:Metals
Subjects:
Online Access:https://www.mdpi.com/2075-4701/9/2/172
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author José María Gallardo
Iñigo Agote
Raquel Astacio
Thomas Schubert
Jesús Cintas
Juan Manuel Montes
Yadir Torres
Francisco G. Cuevas
author_facet José María Gallardo
Iñigo Agote
Raquel Astacio
Thomas Schubert
Jesús Cintas
Juan Manuel Montes
Yadir Torres
Francisco G. Cuevas
author_sort José María Gallardo
collection DOAJ
description Cemented carbide is a hard composite material, used widely in a variety of industries. The value of the global tungsten carbide market is expected to grow by 4.4% (compound annual growth rate) from 2017 to 2022. One of the main markets is in metal cutting and wear parts, where small pieces (or inserts), a few grams in weight, are used. Field-assisted sintering technique (FAST) technologies allow for the production of small blanks in a single step from powder, which are near final dimensions. Production cycles are very short. In this paper, one of the FAST processes, the ERS technology, is applied to obtain WC10Co parts. A review of the process variable effects on the final properties of the parts is accomplished. Final properties of a range of conventionally produced inserts are obtained, using 100 MPa compacting pressure, 80 MA/m<sup>2</sup> of current density, and processing times of around 800 ms.
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spelling doaj.art-d512117167454f6dbb4d0b10afd7804d2022-12-21T23:01:22ZengMDPI AGMetals2075-47012019-02-019217210.3390/met9020172met9020172Hard Metal Production by ERS: Processing Parameter Roles in Final PropertiesJosé María Gallardo0Iñigo Agote1Raquel Astacio2Thomas Schubert3Jesús Cintas4Juan Manuel Montes5Yadir Torres6Francisco G. Cuevas7Department of Materials and Transportation Engineering and Science, Escuela Técnica Superior de Ingeniería, Universidad de Sevilla, Camino de los Descubrimientos s/n, 41092 Sevilla, SpainIndustry and Transport Division, Tecnalia Research &amp; Innovation, Mikeletegi Pasealekua, 2., 20009 San Sebastián, SpainDepartment of Materials and Transportation Engineering and Science, Escuela Técnica Superior de Ingeniería, Universidad de Sevilla, Camino de los Descubrimientos s/n, 41092 Sevilla, SpainBranch Lab Dresden, Fraunhofer Institute for Manufacturing Technology and Advanced Materials, Winterbergstrasse, 28., 01277 Dresden, GermanyDepartment of Materials and Transportation Engineering and Science, Escuela Técnica Superior de Ingeniería, Universidad de Sevilla, Camino de los Descubrimientos s/n, 41092 Sevilla, SpainDepartment of Materials and Transportation Engineering and Science, Escuela Técnica Superior de Ingeniería, Universidad de Sevilla, Camino de los Descubrimientos s/n, 41092 Sevilla, SpainDepartment of Materials and Transportation Engineering and Science, Escuela Técnica Superior de Ingeniería, Universidad de Sevilla, Camino de los Descubrimientos s/n, 41092 Sevilla, SpainDepartment of Chemical Engineering, Physical Chemistry and Materials Science, Escuela Técnica Superior de Ingeniería, Universidad de Huelva, Campus El Carmen, Avda, Tres de marzo s/n, 21007 Huelva, SpainCemented carbide is a hard composite material, used widely in a variety of industries. The value of the global tungsten carbide market is expected to grow by 4.4% (compound annual growth rate) from 2017 to 2022. One of the main markets is in metal cutting and wear parts, where small pieces (or inserts), a few grams in weight, are used. Field-assisted sintering technique (FAST) technologies allow for the production of small blanks in a single step from powder, which are near final dimensions. Production cycles are very short. In this paper, one of the FAST processes, the ERS technology, is applied to obtain WC10Co parts. A review of the process variable effects on the final properties of the parts is accomplished. Final properties of a range of conventionally produced inserts are obtained, using 100 MPa compacting pressure, 80 MA/m<sup>2</sup> of current density, and processing times of around 800 ms.https://www.mdpi.com/2075-4701/9/2/172electrical resistance sinteringcemented carbidesprocessing conditions
spellingShingle José María Gallardo
Iñigo Agote
Raquel Astacio
Thomas Schubert
Jesús Cintas
Juan Manuel Montes
Yadir Torres
Francisco G. Cuevas
Hard Metal Production by ERS: Processing Parameter Roles in Final Properties
Metals
electrical resistance sintering
cemented carbides
processing conditions
title Hard Metal Production by ERS: Processing Parameter Roles in Final Properties
title_full Hard Metal Production by ERS: Processing Parameter Roles in Final Properties
title_fullStr Hard Metal Production by ERS: Processing Parameter Roles in Final Properties
title_full_unstemmed Hard Metal Production by ERS: Processing Parameter Roles in Final Properties
title_short Hard Metal Production by ERS: Processing Parameter Roles in Final Properties
title_sort hard metal production by ers processing parameter roles in final properties
topic electrical resistance sintering
cemented carbides
processing conditions
url https://www.mdpi.com/2075-4701/9/2/172
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