Pulsed electric current sintering of TiC-Ultimet powders and effect of binder content on microstructure and mechanical properties

M.E. Cura, R. Ritasalo, Ulla Kanerva, J. Syrén, J. Oksanen, J. Lotta, Tomi Suhonen, Juha Lagerbom, O. Söderberg, Erja Turunen, S-P. Hannula

Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsScientificpeer-review

1 Citation (Scopus)

Abstract

Microstructures and properties of TiC metal matrix composites produced by two different ways were studied. SHS reaction was utilized in both methods. The casting material and the coating produced by conventional SHS reaction was cast bonded together or in-situ reactive cast bonding was used. In the first method preheating of coating was used. In the second method exothermic heat of the TiC formation bonded the coating and cast material together. It was found that the control of heat and temperature are in an essential role. In the conventional cast bonding preheating temperature can cause uneven contact between the coating and the cast material. In the reactive cast bonding too much heat from the reaction makes cast bonding unstable but too low heat cause insufficient melting and porosity. By careful selection of the materials and production set-up good quality coatings were achieved.
Original languageEnglish
Title of host publicationProceedings of the powder metallurgy world congress and exhibition
Subtitle of host publicationSintered steels (PM low alloyed steels, PM stainless steels), PM tool materials (hard materials and diamond tools, PM tool steels)
Place of PublicationShrewsbury
PublisherEuropean Power Metallurgy Association EPMA
Pages485-492
Volume3
ISBN (Print)978-1-899072-12-5
Publication statusPublished - 2010
MoE publication typeA4 Article in a conference publication
EventWorld Powder Metallurgy Congress & Exhibition, PM2010 - Florence, Italy
Duration: 10 Oct 201014 Oct 2010

Conference

ConferenceWorld Powder Metallurgy Congress & Exhibition, PM2010
Abbreviated titlePM2010
CountryItaly
CityFlorence
Period10/10/1014/10/10

Keywords

  • cast bonding
  • SHS
  • TIC
  • coatings
  • wear
  • ProperPart
  • ProperTune

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    Cura, M. E., Ritasalo, R., Kanerva, U., Syrén, J., Oksanen, J., Lotta, J., Suhonen, T., Lagerbom, J., Söderberg, O., Turunen, E., & Hannula, S-P. (2010). Pulsed electric current sintering of TiC-Ultimet powders and effect of binder content on microstructure and mechanical properties. In Proceedings of the powder metallurgy world congress and exhibition: Sintered steels (PM low alloyed steels, PM stainless steels), PM tool materials (hard materials and diamond tools, PM tool steels) (Vol. 3, pp. 485-492). European Power Metallurgy Association EPMA.