Effect of additive content on the microstructure and room‐temperature and high‐temperature mechanical properties of Si 3 N 4 ceramics
Source abstract
Abstract
Abstract Si 3 N 4 ceramics with uniform grain size distribution were fabricated using spark plasma sintering method and post‐heat treatment. The effect of sintering additive content on the grain growth and room‐temperature and high‐temperature mechanical properties of Si 3 N 4 ceramics were studied. By modulating the competitive growth of β‐Si 3 N 4 grains along the basal and the prism planes, the grains in Si 3 N 4 ceramics were homogeneous. The room‐temperature and high‐temperature flexural strength of the samples after post‐heat treatment were tested. At temperature above 1300°C, the samples with lower sintering additive content exhibit higher strength.
Source: crossref · Quality: baseline
Research context
OpenAlex topics: Advanced ceramic materials synthesis · MXene and MAX Phase Materials · Advanced materials and composites
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
State Key Laboratory of New Ceramics and Fine Processing School of Materials Science and Engineering Tsinghua University Beijing China
Advanced Ceramics and Structures Center Yongjiang Laboratory Ningbo City China
State Key Laboratory for Advanced Metals and Materials University of Science and Technology Beijing Beijing China
Funding
National Natural Science Foundation of China · China Postdoctoral Science Foundation
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