Fabrication of Ti3SiC2 and Ti4SiC3 MAX phase ceramics through reduction of TiO2 with SiC
Source abstract
Abstract
Abstract Ti 3 SiC 2 and Ti 4 SiC 3 MAX phase ceramics were fabricated through high-temperature vacuum reduction of TiO 2 using SiC as a reductant, followed by hot pressing of the products under 25 MPa of pressure at 1600 °C. It was found that both Ti 3 SiC 2 and Ti 4 SiC 3 may be obtained in good yields, depending on the annealing time during the reduction step. In addition to MAX phases, the products contained some amounts of TiC. The hot pressing step did not significantly affect the composition of the products, indicating good stability of Ti 3 SiC 2 and Ti 4 SiC 3 under these conditions. Analysis of the densification behavior of the samples revealed lower ductility in Ti 4 SiC 3 compared to Ti 3 SiC 2 . The samples prepared herein exhibited the flexural strength, fracture toughness and microhardness typical of coarse-grained MAX-phase ceramics.
Source: openaire · Quality: candidate unverified · Source record ↗
Research context
OpenAlex topics: MXene and MAX Phase Materials · Aluminum Alloys Composites Properties · Advanced ceramic materials synthesis
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
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