TY - CONF A1 - Genga, R. M. T1 - Mechanical and machining properties of laser peened NbC cermets during face-milling of grey cast iron N2 - In the present work it was shown the improvement of cermet tool life which can be achieved by refinement of the microstructure to give increased hardness and by introducing resisdual stress by laser peening for increased toughness. T2 - 7th International Conference on Laser Peening and Related Phenomena CY - Singapore, Malaysia DA - 17.06.2018 KW - NbC cermets KW - Cutting tools KW - Hardness PY - 2018 AN - OPUS4-45849 LA - eng AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - CONF A1 - Genga, R. M. T1 - Wear and mechanical properties of SPS and LPS WC and NbC-based cemented carbide inserts T2 - Int. Symposium on Wear Resistant Alloys for the Mining and Processing Industry CY - Campinas, Sao Paulo, Brazil DA - 2015-05-04 PY - 2015 AN - OPUS4-33179 LA - deu AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - CONF A1 - Genga, R. M. T1 - Enhanced Fe and Ni bonded NbC Laser Surface Engineered based Hardmetals: Alternative Cutter Materials for Electric Vehicle Applications N2 - The efforts to substitute both tungsten carbide (WC) and cobalt (Co) has gained prominence in recent years due to the classification of Co as a carcinogen and the classification of Co and W as critical raw materials in the EU as well as within regulations of the U.S. National Toxicology Program. In this study, substitution of both WC and Co with advanced hardmetals consisting of NbC with Ni and Fe-based metal binders are investigated for their use of machining of metals used electric vehicle manufacturing. The developed NbC-Ni/Fe based hardmetals employ a Machining Property Led Tailored Design (MPLTD) approach. This reverse engineering strategy uses data from machining performance to guide the development of microstructural, mechanical, and behavioral properties. Four advanced NbC-based hardmetals were produced, two with Ni-based binders and two with Fe-based binders, along with two reference materials for comparison (WC-Co and straight NbC-12Ni). Hardmetals were characterized using field emission scanning electron microscopy (FE-SEM), annular dark-field scanning transmission electron microscopy (ADF-STEM), Vickers hardness, fracture toughness, and elastic moduli. Cutting tool inserts were manufactured from the developed hardmetals and enhanced using femto-second laser surface engineering. The inserts’ performance was evaluated through face milling tests on AZ31 automotive magnesium alloy, providing insights into their suitability for high-demand industrial applications. T2 - 21. Plansee Seminar CY - Reutte, Austria DA - 01.06.2025 KW - Niobium carbide KW - Alternative binders KW - Alternative hard phases KW - Face milling KW - AZ31 magnesium alloy PY - 2025 AN - OPUS4-65381 LA - eng AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER -