Aqueous gelcasting and pressureless sintering of zirconium diboride foams
Source abstract
Abstract
Abstract Direct foaming technique was utilized to fabricate high-performance ZrB 2 porous ceramics. 45 vol% ZrB 2 (–B 4 C) slurries were prepared, together with polyacrylate dispersant and foaming agent. After gelcasting and pressureless sintering, porous ZrB 2 ceramics were obtained. Thanks to the good fluidity and the presence of 2 wt% B 4 C as the sintering aid, Z-2B ceramic of dense strut and porous structures (55% in porosity) was obtained. Its compressive strength was 79.8±8.7 MPa. The co-relations between microstructures and mechanical properties of the as-prepared ZrB 2 cellular ceramics were also studied.
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Research context
OpenAlex topics: Advanced ceramic materials synthesis · Advanced materials and composites · Aluminum Alloys Composites Properties
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References (24)
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