Design of spark plasma sintering parameters and preparation of Al 2 O 3 /TiB 2 /TiC micro–nano composite ceramic tool material
Source abstract
Abstract
Abstract A microstructure evolution model for the ceramic materials was constructed, and the spark plasma sintering parameters were optimized using the model to shorten the designing period and reduce the consumption of the material. Based on the optimized sintering parameters, the ceramic tool material with a composition of Al 2 O 3 , TiB 2 , and TiC proved to be a success. It verified that the materials prepared under the optimized sintering parameters exhibited excellent mechanical properties. The results showed when sintered at 1600°C, under the pressure of 40 MPa and with the holding period of 7 min, the materials with 70% Al 2 O 3 , 20% TiB 2 , and 10% nano‐TiC possess the relatively best performance, with the hardness, fracture toughness, and flexure strength being 20.3 GPa, 10.5 MPa/m 2 , and 839.5 MPa, respectively.
Source: crossref · Quality: baseline
Research context
OpenAlex topics: Advanced materials and composites · Advanced ceramic materials synthesis · Metal and Thin Film Mechanics
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
School of Mechanical Engineering Xi'an Technological University Xi'an P. R. China
Aecc Xi'an Aero‐Engine Ltd. Xi'an P. R. China
Funding
National Natural Science Foundation of China · China Postdoctoral Science Foundation · Shaanxi Province Postdoctoral Science Foundation
References (29)
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