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Relation between hardmetal properties and process temperatures during metal cutting

Beziehung zwischen Hartmetalleigenschaften und Prozesstemperaturen während der Metallzerspannung
 
: Vornberger, Anne; Pötschke, Johannes; Herrmann, Mathias; Picker, Tobias; Michaelis, Alexander

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Volltext (PDF; )

European Powder Metallurgy Association -EPMA-:
Euro PM 2020. Proceedings : 5-7 October 2020, Virtual Congress
Shrewsbury: EPMA, 2020
ISBN: 978-1-899072-53-8
6 S.
International Powder Metallurgy Congress and Exhibition (Euro PM) <2020, Online>
Deutsche Forschungsgemeinschaft DFG
HE2457/21-1
Grundlagen zur substratspezifischen Gestaltung der Schneidkante
Deutsche Forschungsgemeinschaft DFG
DE447/150-1
Englisch
Konferenzbeitrag, Elektronische Publikation
Fraunhofer IKTS ()
hardmetal; cemented carbide; cutting; mechanical properties; hardness; thermophysical properties; thermal conductivity; cutting temperature; cutting edge rounding; tool material

Abstract
Wear determines the productivity of hardmetal cutting tools and thus investigation of its wear behavior is of high interest. Previous studies showed that the cutting edge stability and thus tool life can only be enhanced with the use of specific cutting edge roundings. Therefore, hardmetals with systematically varied hardness and thermal conductivity were produced in this study. As the occurring process temperatures highly influence the hardmetal properties, both hardness and thermal conductivity were studied at elevated temperatures. The cutting process temperatures were measured to identify the relevant temperature window. Finally, the relations between hardmetal properties, tool microgeometry and process parameters and their influence on the measured tool wear are discussed.

: http://publica.fraunhofer.de/dokumente/N-615684.html