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Updated: Jun 1, 2026

Reverse Microemulsion-mediated Synthesis of Monometallic and Bimetallic Early Transition Metal Carbide and Nitride Nanoparticles
Published on: November 27, 2015
APT analysis of WC-Co based cemented carbides
Jonathan Weidow1, Hans-Olof Andrén
1Department of Applied Physics, Chalmers University of Technology, SE-412 96 Göteborg, Sweden. jonathan.weidow@chalmers.se
Abstract:
A method for quickly producing sharp and site-specific atom probe specimens from WC-Co based cemented carbides was developed using a combination of electropolishing, controlled back-polishing and FIB milling. Also, a method for measuring the amount of segregated atoms to an interface between two phases with a big difference in field needed for field evaporation was developed. Using atom probe tomography, the interface chemistry of WC/WC grain boundaries, WC/(M,W)C phase boundaries and WC/binder phase boundaries was analysed. In addition, the transition metal solubility in WC was determined.
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