Fabrication of novel BPO 4 ceramic foams using the combination of the direct foaming method and freeze‐drying techniques
Source abstract
Abstract
Abstract In this study, ammonium phosphate monobasic and boric acid were used as the primary starting materials to produce BPO 4 powder by solid‐state reaction. Using BPO 4 powders as the main raw material, BPO 4 ceramic foams were prepared for the first time using the direct foaming method and freeze‐drying techniques. The effects of the additive content and solid loading on the slurry's rheological behavior were investigated, and the microstructures and properties of the as‐prepared BPO 4 ceramic foams were examined. The results reveal that the porosity of the BPO 4 ceramic foams synthesized at 1223 K ranged from 84.2% to 90.4%, the compressive strength ranged from .12 MPa to .72 MPa, and the thermal conductivity ranged from .32 W/(m·K) to .74 W/(m·K) (298 K). The findings of this study have great significance for the development of new thermal insulation ceramic materials.
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Research context
OpenAlex topics: Advanced ceramic materials synthesis · Magnesium Oxide Properties and Applications · Concrete and Cement Materials Research
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
The State Key Laboratory of Refractories and Metallurgy Wuhan University of Science and Technology Wuhan PR China
National‐Provincial Joint Engineering Research Center of High Temperature Materials and Lining Technology Wuhan University of Science and Technology Wuhan PR China
State Key Laboratory of Advanced Technologies for Comprehensive Utilization of Platinum Metals Kunming Institute of Precious Metals Kunming PR China
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