Microstructure and mechanical properties of WC-CoCrFeNiMoX-based cemented carbide with bimodal WC grain size distribution

Key Points

• The hardness of the cemented carbide increased significantly due to the bimodal grain size distribution.
• A maximum hardness level of 2000 HV was achieved, showcasing the material's impressive mechanical properties.
• Analysis of microstructure showed a unique arrangement of the WC grains, contributing to enhanced performance.
• This study highlights the potential for optimizing cemented carbide use in demanding industrial environments.