Fabrication and characterisation of ZrO 2 -reinforced porous mullite ceramics
Source abstract
Abstract
ZrO2-reinforced porous mullite ceramics were fabricated by a foam-gel casting approach using zircon (ZrSiO4) powders and alumina (Al2O3) powders as raw materials. The influence of firing temperature on the phase composition of porous samples was analysed. Based on the analysis results, the effects of a blowing agent on the physical properties, microstructure, mechanical strength and heat conductivity of ZrO2-reinforced porous mullite samples fired at 1600°C were investigated. In the present study, linear shrinkage, porosity and mean pore size of ZrO2-reinforced porous mullite ceramics increased, and volume density, mechanical strength and heat conductivity decreased. When the dosage of the blowing agent was 1.0 vol.-%, the flexural strength and compressive strength of ZrO2-reinforced porous mullite sample with 77.4% porosity respectively reached 3.0 and 10.9 MPa, and their heat conductivity was kept at 0.181 W m−1 K−1.
Source: openalex_inverted_index · Quality: baseline
Research context
OpenAlex topics: Advanced ceramic materials synthesis · Recycling and utilization of industrial and municipal waste in materials production · Advanced materials and composites
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
Key Laboratory of Green Fabrication and Surface Technology of Advanced Metal Materials, Ministry of Education, Anhui University of Technology, Ma'anshan, People’s Republic of China
Anhui Province Key Laboratory of Metallurgical Engineering & Resources Recycling, Anhui University of Technology, Ma'anshan, People’s Republic of China
The State Key Laboratory of Refractories and Metallurgy, Wuhan University of Science and Technology, Wuhan, People’s Republic of China
Funding
Natural Science Foundation of Anhui Province · University Synergy Innovation Program of Anhui Province · National Natural Science Foundation of China · Equipment Advanced Research Foundation of China · National Innovation and Entrepreneurship Training Program for College Students
References (47)
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