FIB/FESEM experimental and analytical assessment of R-curve behavior of WC–Co cemented carbides

Exceptional fracture toughness levels exhibited by WC–Co cemented carbides (hardmetals) are due mainly to toughening derived from plastic stretching of crack-bridging ductile enclaves. This takes place due to the development of a multiligament zone at the wake of cracks growing in a stable manner. A...

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Veröffentlicht in:	Materials science & engineering. A, Structural materials : properties, microstructure and processing Structural materials : properties, microstructure and processing, 2015-10, Vol.645, p.142-149
Hauptverfasser:	Tarragó, J.M., Jiménez-Piqué, E., Schneider, L., Casellas, D., Torres, Y., Llanes, L.
Format:	Artikel
Sprache:	eng
Schlagworte:	A. micromechanics Aliatges de carbur de tungstè i cobalt Assessments Bridging brittle materials Carburs Cemented carbides Cobalt composites crack-growth-resistance deformation ductile-phase Enginyeria dels materials FIB/FESEM fracture-toughness evaluation hardmetals Mathematical analysis Mathematical models Metalls Propietats mecàniques R-curve B. Cemented carbides D. Fracture residual strength silicon-nitride Toughening toughening mechanisms Toughness Tungsten carbide Tungsten carbide-colbalt alloys Àrees temàtiques de la UPC
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