Influence of Ni/Co binders and Mo2C on the microstructure evolution and mechanical properties of (Ti0.93W0.07)C–based cermets
Source abstract
Abstract
Abstract In this research, solid–solution powder of (Ti 0.93 W 0.07 )C was synthesized by high–energy ball mill method followed by carbothermal reduction process. Subsequently, the acquired powder was blended with Ni/Co and Mo 2 C secondary carbide, and sintered under the optimized temperature (1510 °C) for 1 h to produce the modulated cermets. A typical core–rim structure formation with solid–solution phases was confirmed by backscattered electrons studies using a Field Emission electron scanning microscope. The hardness of the synthesized cermets was enhanced by increasing the specific amount of Mo 2 C. The acquired results demonstrate that the binder type has a prominent influence on the microstructure and hardness of the prepared cermets. The hardness of (Ti 0.93 W 0.07 )C–xMo 2 C–Ni cermet increased ~ 9%, when nickel was partially substituted by cobalt.
Source: openaire · Quality: candidate unverified · Source record ↗
Research context
OpenAlex topics: Advanced materials and composites · Advanced ceramic materials synthesis · Orthopaedic implants and arthroplasty
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