Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
7898601 | Journal of the European Ceramic Society | 2018 | 71 Pages |
Abstract
This is the first comprehensive review on inherent anisotropic features of transition metal diboride (MB2) and their implementation for tailoring the microstructure and properties of MB2-based Ultra-high temperature Ceramics (UHTCs). The emphasis is on the processing approaches, microstructures, and properties of self-reinforced and/or textured MB2-based composites with elongated MB2 grains. The crystal structure characteristics and grain growth behaviour of MB2 are also critically reviewed. Benefiting from the tailored microstructure, the MB2-based ceramics exhibit some improved properties. Considering the success of Si3N4 ceramics in the field of structural ceramics, it is expected that the potential MB2-based ceramic composites with abundant elongated MB2 grains, textured structures, and controlled grain boundaries would possess improved fracture toughness, thermal shock resistance, and reliable high-temperature properties, which are desired for their practical applications. Accordingly, microstructure designing and tailoring provide an important perspective for the future development of UHTCs.
Related Topics
Physical Sciences and Engineering
Materials Science
Ceramics and Composites
Authors
Guo-Jun Zhang, De-Wei Ni, Ji Zou, Hai-Tao Liu, Wen-Wen Wu, Ji-Xuan Liu, Tohru S. Suzuki, Yoshio Sakka,