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Mechanisms of plastic deformation in WC-Co and WC-Ni-Fe turning inserts
Uppsala universitet, Teknisk-naturvetenskapliga vetenskapsområdet, Tekniska sektionen, Institutionen för teknikvetenskaper, Tillämpad materialvetenskap. (Tribomaterials)
Uppsala universitet, Teknisk-naturvetenskapliga vetenskapsområdet, Tekniska sektionen, Institutionen för teknikvetenskaper, Tillämpad materialvetenskap. Sandvik Coromant R&D. (Tribomaterials)
2017 (engelsk)Konferansepaper, Oral presentation with published abstract (Fagfellevurdert)
Abstract [en]

This work is an inital study on microstructural features along the flank face of plastically deformed turning inserts. The turning inserts used are WC-NiFe hardmetals that have been used in face turning with noticeable plastic deformation and flaking of the coating at the cutting edge limiting the life time. It was found that the flank face could be split into five zones of different conditions during the turning test based on the outer appearance. These five zones also exhibited different signs of plastic deformation in their microstructure, seen in both focused ion beam cross sections and in a mechanically polished cross section, including what is believed to be cavity and lamellae formation from grain boundary sliding. The microscopic plastic deformation of the turning inserts in this work were compared with litterature on deformed WC-Co.

sted, utgiver, år, opplag, sider
2017.
Emneord [en]
hardmetal, turning, alternative binder, deformation mechanism, grain boundary sliding
HSV kategori
Forskningsprogram
Teknisk fysik med inriktning mot tribomaterial
Identifikatorer
URN: urn:nbn:se:uu:diva-332453OAI: oai:DiVA.org:uu-332453DiVA, id: diva2:1153112
Konferanse
19th Plansee Seminar 2017
Tilgjengelig fra: 2017-10-27 Laget: 2017-10-27 Sist oppdatert: 2017-12-29bibliografisk kontrollert

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