Study of In Situ Formation of Rod-Like Phases Reinforced Ti-B-C Ceramics
Source abstract
Abstract
The rod-like phases TiB2 were formed by the reaction of B4C and Ti under 1800°C ×35 MPa×1h sintering condition, the length of particle TiB2 was 10～30μm, some over 40μm; and the aspect ratio was 2～8. These rod-like phases endowed the composites with high mechanical properties. The bending strength and the fracture toughness of the composites were 680MPa and 12MPa.m1/2, respectively. The phases were examined by XRD; the microstructure of the composites was observed by SEM and TEM. The influence of sintering temperature and Ti content on the growth and development of rod-like phases TiB2 was discussed.
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Research context
OpenAlex topics: Advanced ceramic materials synthesis · Advanced materials and composites · Aluminum Alloys Composites Properties
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