Producing Ceramic Foams With Hollow Spheres

Compared with the conventional preparation method such as dry pressing direct stack sintering and gelcasting the ceramic foams prepared by sls exhibit the highest porosity.

Producing ceramic foams with hollow spheres.

Vito materials technology b 2400 mol belgium. A gravity infiltration casting technique was studied orbulov and dobránszky to prepare a molten steel within the porously packed hollow alumina ceramic spheres to produce steel matrix sfs. Vito materials technology b 2400 mol belgium. The process was based on the mullitization of al 2 o 3 and kaolin and the sic particles were bonded by the mullite and melted sio 2 the pores were produced by the stacking of sic particles debonding of epoxy and adding of sio 2 hollow microspheres.

The obtained fahs ceramic foams sintered at 1350 c possess high compressive strength of 33 4 mpa and bending strength of 9 6 mpa. The apparent porosity and bulk density of the hollow alumina spheres based ceramics were determined by the archimedes method. Porous sic ceramics were fabricated by 3d printing through selective laser sintering sls and adding hollow spheres ahs. The density of the syntactic foams is influenced by the packing arrangement of the hollow spheres.

Producing ceramic foams with hollow spheres. Search for more papers by this author. 3 hollow spheres also have uses ranging from storage and slow release of pharmaceuticals and radioactive tracers to research in controlled storage and release of hydrogen. The properties of ceramic foams prepared using hollow spheres by different methods are shown in table 2.

Vito materials technology b 2400 mol belgium member american ceramic society. Producing ceramic foams with hollow spheres article in journal of the american ceramic society 87 1 170 172 june 2008 with 78 reads how we measure reads. Can make a light syntactic aluminium foam. Hollow spheres of other materials create syntactic foams with different properties.

Vito materials technology b 2400 mol belgium member american ceramic society search for more papers by this author. Ceramic hollow spheres are being developed for electronic uses in piezoelectric transducers and low dielectric constant substrates for structural applications in syntactic and metal foams for. Search for more papers by this author. Crystalline phase evolution of the hollow alumina spheres ceramic and mullite precursor powder was followed by x ray diffraction xrd cuka source λ 0 154056 nm 6 min 10 2θ 90.