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Siemiaszko, Dariusz
Military University of Technology in Warsaw
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (10/10 displayed)
- 2019The influence of large particles of iron powder on the microstructure and properties of FeAl intermetallic phasecitations
- 2015Kinetics study on the SHS reaction in massive samples with high heating rate in the Fe–Al systemcitations
- 2015The Effect of Oxygen Partial Pressure on Microstructure and Properties of Fe40Al Alloy Sintered under Vacuum.citations
- 2013Influence of temperature during pressure-assisted induction sintering (PAIS) on structure and properties of the Fe40Al intermetallic phasecitations
- 2010Nanocrystalline WC with non-toxic Fe-Mn bindercitations
- 2008Heat Sink Materials Processing by Pulse Plasma Sinteringcitations
- 2007Nanocrystalline cemented carbides sintered by the pulse plasma methodcitations
- 2006Nanocrystalline Cemented Carbides Sintered by the Pulse Plasma Methodcitations
- 2006Nanocrystalline Cu-Al2O3 Composites Sintered by the Pulse Plasma Techniquecitations
- 2006NiAl–Al2O3 composites produced by pulse plasma sintering with the participation of the SHS reactioncitations
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article
Nanocrystalline Cemented Carbides Sintered by the Pulse Plasma Method
Abstract
Nanocrystalline WC-12wt.%Co was consolidated by Pulse Plasma Sintering (PPS) at various temperatures between 900 and 1200oC for 6 minutes under a pressure of 60MPa. Cemented carbides sintered at 1100oC have a relative density of 99%, a hardness of 2248HV30, the fracture toughness, KIC=12.5 MPa*m1/2, and have a structure containing 50nm WC crystallites. Increasing the sintering temperature to 1200oC causes an increase in the size of the WC crystallite size to about 110 nm, reduces the hardness to 2198HV30, and decreases the KIC to 9.7 MPa*m1/2.