Materials Literature
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a abrasion resistance 165, 168, 180 additives 109f., 129 accelerator 131f.adhesion promoters 316 non-additive ( ) process 244 plasticizer 110, 127 agents co-133 compatibilizer 20, 27, 33, 47, 111f., 147ff.coupling 188 crosslinking 131ff.interfacial 20, 316 aggregation 34, 37, 361 breakup 270 fractal-type 44 Ajji and C…
Fossil fuel is depleting rapidly due to its limited reserve and increasing demands from various industry. The corresponding issue, which causes environmental degradation as well as political and economic concern, has encouraged the needs of searching for alternative fuel. One of the solution is the biodiesel which is…
We present fatigue experiments performed on filled natural rubber and study the correlations between crack growth dynamics and fracture morphologies imprinted by an irregular crack path.Slow crack growth dynamics is obtained by cyclic fatigue in a pure shear test.We will show that an unstable crack growth regime exist…
Natural rubber (NR), cis-1,4-polyisoprene, has remarkable mechanical properties which are generally explained by strain-induced crystallization (SIC). SIC is commonly investigated by wide-angle X-ray diffraction (WAXD) (see Murakami et al. 2002, Toki et al. 2003, Trabelsi et al. 2003a, among others, for a more complet…
Thermoplastic elastomers (TPEs) form a class of soft polymeric material of great practical interest. They typically show the high elongations to break and low stiffnesses associated with natural and synthetic rubbery materials, and hence are of value in a wide range of products where flexibility and resilience are req…
A novel underwater strategy was developed at the INL as an interim action to reduce the hazards associated with maintaining excess SFPs containing water, sludge and other debris. It is estimated that hundreds of these facilities exist around the world. They present a hazard to the environment in that they often leak a…
In the article the results of research of selective detoxications properties of method of continius hemofiltration are resulted in treatment of sharp thallium intoxication. The concentrations of thallium are investigational in the whey of blood during procedure of hemofiltration. Conclusions are done in relation to po…
This work has been carried out in the frame of a French national research program on new refractories for glass production (NOREV) and focussed on the numerical simulation of the post-casting cooling of fused-cast refractories with a very high zirconia content (HZ). A numerical model of the cooling-down sequence of a…
The present study found that gold nanoparticles with nanosizes below 100 nm can be synthesized by a wet-chemical route, carried out by induced autocatalytic method. The successive liking of the neighboring nanoparticles seeds by benzenedimethanethiol (BDMT) followed by the induced reduction of Au (III) ions leads to t…
The present paper covers three silabridged hafnocene dichlorides(1, 2 and 3) prepared by sequential reactions of α, ω-dichloropermethyl polysilane with cyclopentadienyl sodium, n-butyl lithium and hafnium tetrachloride. Their structures were characterized by elemental analyses, UV, 1H(13C) NMR and MS. Furthermore the…
The characteristic studies, by means of LR, UV-Vis and XPS spectroscopies, of the preparation process of Mo-Co-S and Mo-Fe-S catalysts for HDS and HDN, derived from (NH4)2MoS4-CoCl2 and (NH4)2MoS4-FeCl2 complexes supported on γ-Al2O3, respectively, indicate that the catalytically essential moiety on the surface of the…
This work describes metal (M) and metal oxides (MO) films (where M = Ni, Co and Fe) obtained by electrosynthesis and chemical synthesis, and modified with carbon nanotubes (CNTs) on edged plane pyrolytic graphite electrode (EPPGE). The MO nanoparticles investigated are nickel oxide (NiO), cobalt oxide Co3O4) and iron…
The magnetic structure of the iron monoarsenide FeAs is studied using first-principles calculations. We consider the collinear and non-collinear (spin-spiral wave) magnetic ordering and magnetic anisotropy. It is analitically shown that a magnetic triaxial anisotropy results in a sum of two spin-spiral waves with oppo…
S-35 C, is a low steel carbon type with 0,30% - 0,35% carbon composition, which has a low hardness. This matter can be overcome by changing the hardness of this steel through heat treatment process. Heat treatment method used in this experiment is pack carburizing method. Experiment results showed that with compositio…
No presente trabalho, são apresentados resultados inéditos obtidos com um sistema de radiografia computadorizada de concepção inovativa de baixo custo, que foi desenvolvido no projeto de pesquisa P&D e testado com sucesso para a inspeção da integridade dos cabos em condição energizado das linhas de transmissão de 230…
Sistemi s kontroliranim sproscanjem imajo v vecini primerih prednost pred farmacevtskimi oblikami s takojsnjim sproscanjem. Tako s stalisca ucinkovitosti kot tudi varnosti. Za doseganje kontroliranega sproscanja se v vecini primerih danes uporabljajo alginati. Posebna oblika s prirejenim sproscanjem je farmacevtska uc…
In this work we perform a theoretical study about fluorine adsorption in BC2N nanostructures. The fluorine interaction with the BC2N nanostructures was studied using only atomic fluorine on two nanotubos with different chiralities (zigzag(5,0) and armchair(3,3)) and a monolayer. We used first principles calculations b…
Alumina-titanium diboride (Al2O3-TiB2) composites have high temperature, wear, and impact resistance that could be useful in high performance applications. Determining the effect of processing parameters on relative bond strength and effective plasticity may contribute to optimization and predictability of performance…
Systems in which magnetic ordering is suppressed to low temperatures due to competing interactions have attracted much attention in recent years. In Co1/3NbS2, the cobalt atoms are intercalated within the layered structure of the parent compound 2H-NbS2, forming the triangular lattice between NbS2 layers. At ambient p…
L'estructura i la dinamica dels liquids varien sota determinades condicions, tals com sota confinament o en presencia d'ions. Aquesta tesi es divideix en dues parts. En la primera part, s'han estudiat l'estructura i la dinamica d'aigua confinada en polyoxomolibdats gegants, per mitja de simulacions de dinamica molecul…