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Hyperbolic propagation of a thermal signal in an inhomogeneous medium
(Materials Science Forum, 2005)
A numerical procedure for the calculation of space distribution of the thermal field in thermally inhomogeneous solids with thermal memory induced by a harmonically modulated surface heat source is presented. The procedure ...
Comparison of hydroxyapatite sorption properties towards cadmium, lead, zinc and strontium ions
(Materials Science Forum, 2005)
Apatites are well known matrix for heavy metal immobilization and remediation of ground water and contaminated soils. In this work, capacities of different synthetic hydroxyapatite (HAP) samples for Pb, Cd, Sr and Zn ...
Hot pressing of Y2O3 doped Si3N4 ceramics
(Materials Science Forum, 2005)
The effect of seeding on the microstructure and mechanical properties of hot-pressed silicon nitride was investigated by introducing large, elongated beta-Si3N4 particles into an alpha-Si3N4 matrix. Densification and ...
Curing characteristics and dynamic mechanical behaviour of reinforced acrylonitrile-butadiene/chlorosulfonated polyethylene rubber blends
(Materials Science Forum, 2005)
This paper deals with the control of the adhesion strength in metal-elastomer joints by fillers and the use of rubber blends to produce advanced high performance adhesive systems. The curing behavior of rubber compounds ...
Lattice parameters of Gd-doped ceria electrolytes
(Materials Science Forum, 2005)
This paper deals with Gd-doped ceria solid solutions: Ce1-XGdXO2-delta with x ranging from 0 to 0.2. Four different powders were synthesized by modified glycine nitrate procedure with very precise stoichiometry according ...
Adsorption of Tiron onto alumina
(Materials Science Forum, 2005)
It has been shown recently that small organic molecules, used as dispersants in the colloidal processing of ceramic powders to adjust the forces between the particles, are quite efficient in preparing aqueous suspensions ...
Conductivity of grains and grain boundaries in polycrystalline heteropoly acid salts
(Materials Science Forum, 2005)
In our previous work we investigated the conductivity and dielectric relaxation phenomena in heteropoly acids and their salts. In this work, we have studied the conductivity of grains and grain boundaries in compressed ...
Surface structures formed on AISI 420 stainless steel by pulsed laser irradiation
(Materials Science Forum, 2005)
The effects of TEA CO2 laser radiation on AISI 420 stainless steel and formed surface structures are studied. The laser energy density of 45.0 J/cm(2) has modified the target surface. Qualitatively, the modifications of ...
Morphology and capacitive properties of [RuOxHy/low-surface area carbon black] composite materials prepared by sol-gel procedure
(Materials Science Forum, 2005)
The morphology and the capacitive properties of carbon supported hydrous ruthenium oxide (RuOxHy/C), prepared by impregnation of low-surface area carbon black Vulcano (R) XC-72 R with solid phase of RuOxHy sol, were ...
Characterization of carbon cryogel synthesized by sol-gel polycondensation and freeze-drying
(Materials Science Forum, 2005)
Resorcinol-formaldehyde (RF) cryogels were synthesized by sol-gel polycondensation of resorcinol with formaldehyde and freeze-drying carried out with t-butanol. Carbon cryogels were obtained by pyrolyzing RF cryogels in ...