Materials Literature
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Although an adhesive joint can distribute load over a larger area than a mechanical joint, requires no holes, adds very little weight to structures and has superior fatigue resistance, it requires careful surface preparation of adherends for reliable joining and low susceptibility to service environments. The load tra…
Models of relaxed plain-knit structures proposed by previous researchers suffer from the disadvantage of being based on the arbitrary assumption of some geometrical shape for the knitted loop or subjected to the forces and couples applied to one loop by its neighbors. The work in this series of theoretical studies dif…
Seven new complex salts trans-[RuII(NCS)(NH3)4(LA)][PF6]2 [LA = N-methyl-4,4′-bipyridinium (MeQ+) 1, N-methyl-2,7-diazapyrenium (Medap+) 2, N-methyl-4-[trans-2-(4-pyridyl)ethenyl]pyridinium (Mebpe+) 3, N-phenyl-4,4′-bipyridinium (PhQ+) 4, N-phenyl-4-[trans-2-(4-pyridyl)ethenyl]pyridinium (Phbpe+) 5, N-(4-acetylphenyl)…
This paper reviews the present interest in the use of functionalised nanoclays as additives for improving tensile properties and fire performance in fibre-forming polymers. However, evidence over the last three years suggests that, when present by themselves, they will not be able to fulfil all the required features o…
The mixed double-decker Eu[Pc(15C5)4](TPP) (1) was obtained by base-catalysed tetramerisation of 4,5-dicyanobenzo-15-crown-5 using the half-sandwich complex Eu(TPP)(acac) (acac = acetylacetonate), generated in situ, as the template. For comparative studies, the mixed triple-decker complexes Eu2[Pc(15C5)4](TPP)2 (2) an…
Conference proceedings front matter may contain various advertisements, welcome messages, committee or program information, and other miscellaneous conference information. This may in some cases also include the cover art, table of contents, copyright statements, title-page or half title-pages, blank pages, venue maps…
SUMMARYThe search for low toxicity alternatives to Chromate for the formation of conversion coatings (passivation treatments) for zinc-based surfaces, has been a long one. For many years no real candidate was found to be completely suitable, a variety of possibilities being examined. More recently trivalent chromium-b…
A major waste product resulting from the paper recycling process is known as paper deinking sludge (PDS). This study investigated the mechanical and physical properties of medium density fiberboard (MDF) to which was added PDS as an alternative to the current practice of disposal of PDS in landfill facilities. A treat…
Fuel rod cladding oxidation is one of the key aspects of the accidental behaviour of LWR fuel elements, and a comprehensive base of experimental information on its kinetics is available. However, the conventional treatment of zirconium oxidation kinetics in some severe accident (SA) codes is unsatisfactory compared to…
The present study deals with binary xZnO-(100-x)B2O3 (x=50-60%) and ternary yV2O5-50ZnO-(50-y)B2O3 (y=5-10%) glass systems. The mass density, oxygen packing density, molar volume and optical energy gap of these glasses were measured at room temperature. The density varies in the range of 2.92 - 3.57 g/cm 3 . The absor…
In the ferroelastic material WO3 it has been observed that diffusion of both sodium ions and oxygen vacancies occurs at an enhanced rate within twin domain walls. A number of explanations can be proposed for this result. Here we investigate how the structure of a ferroelastic domain wall can influence diffusion rates.…
Proteins can interact with corrosion reactions in several ways. In this study, we investigated the effect of albumin on the corrosion resistance of titanium in the presence of fluoride. The effects of the NaF concentration, albumin concentration, and pH on the corrosion characteristics of commercially pure titanium (C…
Specimens of a plain-woven cotton fabric and a plain single-jersey weft-knitted cotton fabric were washed and then tumble-dried for predetermined periods of time under three different temperature settings. Length and width shrinkage, wrinkling, mass of the whole specimen, and warp and weft yarn diameters were determin…
Abstract The preparation of star‐shaped poly( γ ‐benzyl‐ L ‐glutamate)s by the ring‐opening polymerization of N ‐carboxy anhydride γ ‐benzyl‐ L ‐glutamate (BLG‐NCA) with hexakis(4‐aminomethylphenoxy)‐ ( 4 ) and hexakis(4‐aminophenoxy)cyclotriphosphazenes ( 6 ), and the conformation of resulting polymers has been studi…
Crevice corrosion behavior of high nitrogen-bearing stainless steels with up to 1.1 mass% nitrogen were investigated in artificial seawater. Specimens were highly purified and contained ultra-high nitrogen of about 1 mass% obtained by using nitrogen gas pressurized electroslag remelting (P-ESR) system. 23%Cr-4%Ni-0 to…
Pressure effects on enantiodifferentiating geometrical photoisomerizations of (Z)-cyclooctene and (Z,Z)-cycloocta-1,5-diene sensitized by chiral benzene-1,2,4,5-tetracarboxylate were investigated over a pressure range of 0.1-750 MPa. Enantiomeric excesses (ee's) of the (E)- and (E.Z)-isomers obtained displayed discont…
The design and application of a novel plug flow crystalliser is described. Simultaneous collection of SAXS and WAXD during the nucleation and crystal growth of a small organic molecule from solution is reported. Preliminary data imply the separation of a non-diffracting phase prior to the appearance of crystalline sol…
Volatile organic compounds, emitted by a lot of sources, particularly from gasoline engines of automobiles, are air pollutants that give rise to deleterious health and environmental effects.Total catalytic oxidation is an attractive method in controlling these emissions due the great amounts of energy saved, by the mo…
We made a series of aspen fibre medium density fibreboard panels adding various levels of chicken feather fibre to determine the relative effect of the feather fibre-wood fibre mixtures on composite panel properties. Chicken feathers are a waste product left over after processing chickens for meat. The feather fibre a…
Thermal and infrared spectroscopic studies were performed on the hydrogen-bonding interaction in the blends of biodegradable atactic, highly syndiotactic and isotactic poly(3-hydroxybutyrate)s with catechin. From the analysis of Fourier-transform infrared spectra, it was found that the crystalline phase could greatly…