WC-stainless steel hardmetals


WC-AISI304 (SS) composites with the phase composition controlled by adequate carbon addition are being developed as potential alternatives to the established WC-Co hardmetals, following the REACH regulation relatively to the elimination of toxic and critical elements and the actual market demands of lower cost production and enlarged range of properties for the hardmetal components. Prototypes of WC-SS-C (10 wt% SS) were produced by industrial powder metallurgy processing and a full characterization of its mechanical (Young modulus, HV30, fracture toughness, transverse rupture strength), magnetic (coercive force and ferromagnetic content) and thermal properties (thermal expansion coefficient and thermal conductivity), together with the corrosion resistance, were undertaken aiming at evaluating the potential applications of these new series of cemented carbides.



subject category

Materials Science; Metallurgy & Metallurgical Engineering


Fernande, CM; Rocha, A; Cardoso, JP; Bastos, AC; Soares, E; Sacramento, J; Ferreira, MGS; Senos, AMR

our authors


This work is financed by Portugal 2020 through European Regional Development Fund (ERDF) in the frame of Operational Competitiveness and Internationalization Programme (POCI) and in the scope of the project HardCorr (POCI-01-0247-FEDER-003382).; The work was developed within the scope of the project CICECO-Aveiro Institute of Materials, POCI-01-0145-FEDER-007679 (FCT Ref. UID/CTM/50011/2013), financed by national funds through the FCT/MEC and when appropriate co-financed by FEDER under the PT2020 Partnership Agreement.

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