Reactive hot-pressing of ZrB2-ZrC-SiC ceramics via direct addition of SiC
Source abstract
Abstract
Abstract A series of ZrB2-ZrC-SiC composites with various SiC content from 0 to 20 vol% were prepared by reactive hot-pressing using Zr, B4C and SiC as raw materials. Self-propagating high-temperature synthesis (SHS) occurred, and ZrC grains connected each other to form a layered structure when the SiC content is below 20 vol%. The evolution of microstructure has been discussed via reaction processes. The composite with 10 vol% SiC presents the most excellent mechanical properties (four-point bending strength: 828.6±49.9 MPa, Vickers hardness: 19.9±0.2 GPa) and finest grain size (ZrB2: 1.52 µm, ZrC: 1.07 µm, SiC: 0.79 µm) among ZrB2-ZrC-SiC composites with various SiC content from 0 to 20 vol%.
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Research context
OpenAlex topics: Advanced ceramic materials synthesis · Advanced materials and composites · MXene and MAX Phase Materials
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
References (45)
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