AI Article Synopsis
- The study focuses on creating Si-TmC-B/PCD composites using silicon, boron, and transition metal carbide particles under high pressure and temperature conditions.
- Key properties such as microstructure, elemental distribution, thermal stability, and mechanical strength have been thoroughly examined.
- The results show that the Si-B/PCD composites can withstand temperatures of up to 919 °C, while the ZrC composite has even higher stability at 976 °C and demonstrates a flexural strength of 762.2 MPa and fracture toughness of 8.0 MPa·m.
Article Abstract
In this research, we report the synthesis of Si-TmC-B/PCD composites using Si, B, and transition metal carbide particles (TmC) as binders at high pressure and high temperature (HPHT method, 5.5 GPa and 1450 °C). The microstructure, elemental distribution, phase composition, thermal stability, and mechanical properties of PCD composites were systematically investigated. The Si-B/PCD sample is thermally stable in air at 919 °C. The initial oxidation temperature of the PCD sample with ZrC particles is as high as 976 °C, and it also has a maximum flexural strength of 762.2 MPa, and the highest fracture toughness of 8.0 MPa·m.
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Source |
|---|---|
| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC10253946 | PMC |
| http://dx.doi.org/10.3390/ma16113933 | DOI Listing |
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