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Mechanical Properties and Microstructures of Al2O3/TiC/TiB2 Ceramic Tool Material
2021
Crystals
In order to develop a new ceramic tool material with self-repairing capability, Al2O3/TiC/TiB2 ceramic tool material was prepared by vacuum hot-pressure sintering method. The toughening and strengthening mechanism of TiB2 on Al2O3/TiC substrate was analyzed. The results show that the ceramic tool material has good comprehensive mechanical properties when the TiB2 content is 10 vol.%. Its flexural strength was 701.32 MPa, hardness was 18.3 GPa, and fracture toughness was 6.2 MPa·m1/2, which were
doi:10.3390/cryst11060637
fatcat:mcgasol6tjck5jvmse2fbhkh44