ORGANIC COATINGS: SCIENCE AND TECHNOLOGY VOLUME 1: FILM FORMATION, COMPONENTS AND APPEARANCE
"ORGANIC COATINGS: SCIENCE AND TECHNOLOGY VOLUME 1: FILM FORMATION, COMPONENTS AND APPEARANCE." Drying Technology, 11(6), p. 1477
Materials Literature
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Formation of Carbon-Metal Composites from Metal Ion Exchanged Graphite Oxide
An attempt was made to prepare carbon-metal composites by the heat treatment of graphite oxide (GO) which was ion-exchanged with metal cations. The composites thus obtained were characterized to elucidate the dispersion state and the chemical form of metal species in carbon matrix. It was found that metal species are…
The risk of hydrogen embrittlement in high‐strength prestressing steels under cathodic protection
High strength prestressing steels in prestressed concrete structures are protected against corrosion due to passivation resulting from the high alkalinity of the concrete. If depassivation of the prestressing steel occurs due to the ingress of chlorides the corrosion risk can be minimized by application of cathodic pr…
Radiative Transition Probabilities of Trivalent Rare-Earth Ions in LiYF4
Get PDF Email Share Share with Facebook Tweet This Post on reddit Share with LinkedIn Add to CiteULike Add to Mendeley Add to BibSonomy Get Citation Copy Citation Text C. Li, Y. Guyot, C. Linarès, R. Moncorgé, and M. F. Joubert, "Radiative Transition Probabilities of Trivalent Rare-Earth Ions in LiYF4," in Advanced So…
Phonon Sideband Spectra and Local Structure around Eu<sup>3+</sup> Ions in Aluminosilicate Glasses
The local structure around Eu3+ ions in sodium aluminosilicate glasses was investigated on the basis of phonon sideband associated with the 5D0←7F0 transition of Eu3+. It was found that the positive charge of Eu3+ was compensated by nonbridging oxygens (NBOs) in Q3 units rather than by the excess negative charge of Al…
Spin–glass behaviour of the system CoFe 2–x Ga x O 4
X-Ray, transport, infrared, magnetic hysteresis, a.c. susceptibility and Mössbauer studies have been carried out for the system CoFe2O4–CoGa2O4. X-Ray and transport measurements indicate cubic symmetry and p-type semiconductivity, respectively, for the compositions with 0.0⩽x⩽2.0. Hysteresis studies demonstrated the p…
The crystal structure of Li2Mg2[Si4O11], a loop-branched dreier single chain silicate
Abstract The structure of Li 2 Mg 2 [Si 4 O 11 ] was determined by single crystal X-ray diffraction. It is triclinic, space group P [unk], with a = 8.645(1) Å, b = 7.401(1) Å, c = 6.884(1) Å, α = 104.71(1)°, β = 101.08(1)°, γ = 99.41(1)°, V = 407.5(6) Å 3 and Z = 2. Least -squares refinements based on 1462 observed re…
Adhesion between LDPE and hydrated aluminium in extrusion-coated laminates
Untreated aluminium and aluminium hydrated for 60 s in boiling water have been extrusion-coated with low-density polyethylene (LDPE). The hydration transforms the oxide surface into a porous oxyhydroxide, known as pseudoboehmite. LDPE samples with different melt indices (4.5, 7.5, and 15) were used, which influence th…
Selection of Wrought Duplex Stainless Steels
Abstract This article provides information on the base material properties of wrought duplex stainless steels (DSS). These properties include microstructure, alloy grades, mechanical and physical properties, and corrosion resistance. The article reviews the applications and microstructural development of DSS. It descr…
Transformation-Range Viscosity and Thermal Property of Sodium Silicate Glasses
The viscosity and thermal properties of glasses in the system Na2O-SiO2 were measured near the transformation temperature. The parameters of fragility, ΔCp and Eη/Tg, increased with an increase in Na2O content. Results of these measurements showed a good correlation between ΔCp and Eη/Tg.
Streak photography of the dynamic-electrical discharge behavior on insulator surfaces in vacuum
High-speed streak photography of surface breakdown or flashover events along the surface of monocrystalline quartz and polycrystalline alumina specimens is reported. The initiation of visible luminosity was observed to be a function of surface properties of the samples. It has been shown that light could originate ind…
Photo-Generation of Solitons and Polarons in the Quasi-1-D MX Compounds
The effect of interchain interaction on the nonlinear excitations in the one-dimensional (1-D) Peierls-Hubbard system is investigated by the photo-induced absorption (PA) measurements of the halogen-bridged metal complexes (the MX compounds; M=Pt and X=Br or I), changing the strength of the interchain coupling via the…
Effect of Solutioning Conditions on Aging Response in Ti–15V–3Cr–3Sn–3Al
An effect of the solutioning conditions on the aging response (precipitation, age hardening) in a β type titanium alloy, Ti–15V–3Cr–3Sn–3Al, is examined.The aging response is strongly affected by the solutioning conditions and closely related to the concentration of quenched-in vacancies, which is a function of the qu…
Non-Resonant Type Third-Order Optical Nonlinearity of Rare Earth Oxides-Containing GeO<sub>2</sub> Glasses
The influence of the rare earth elements on the non-resonant type third-order optical nonlinearity was studied by third harmonic generation in germanate glasses. The nonlinearity basically increased by the increase in La2O3 content and decreased by the increase in field strength of the rare earth elements. The relatio…
An Evaluation of the Mixing Characteristics of Solid Mixers Using Adhesive Fine Powders.
An expedient experimental method has been proposed to characterise the mixing process and performance of powder mixers based on the measurement of changes in the color of the mixture with operating time. To evaluate the mixing and dispersing characteristics among the different types mixing equipment, adhesive fine cal…
Corrosion of Weldments
Abstract Weldments exhibit special microstructural features that need to be recognized and understood in order to predict acceptable corrosion service life of welded structures. This article describes some of the general characteristics associated with the corrosion of weldments. It emphasizes the role of macrocomposi…
Characterization of a human α1-antitrypsin null allele involving aberrant mRNA splicing
alpha 1-Antitrypsin (alpha 1AT) is a major protease inhibitor present in high concentrations in the plasma. Inheritance of alpha 1AT deficiency or null alleles (alleles associated with no detectable serum alpha 1AT) is associated with an increased risk for emphysema. In contrast to beta zero-thalassemia variants in wh…
Effect of chloride ion concentration during corrosion of medium strength aluminium alloys 8090, 2091, and 2014
The effects of chloride ion concentration on the corrosion behaviour of two Al–Li–Cu–Mg–Zr (8090 and 2091) alloys were studied and compared with that of a standard aircraft alloy, namely Duralumin (Al–Cu (2014)). Constant exposure and potentiodynamic polarisation studies were conducted in NaCl solutions (pH 10·0) of v…
DESCRIPTION AND ANALYSIS OF TIMBER DRYING KINETICS
In this paper an experimental and semi-analytical technique is described that provides a method of estimating a macroscopic drying kinetics curve and internal moisture content profiles is described. Moisture gradients and the time evolution of these gradients are analysed as a function of the air drying parameters (dr…
Use of Radiation Control Coatings to Reduce Building Air-Conditioning Loads
Radiation control coatings (RCCs) are used on building exteriors to reduce the absorption of solar energy. Reduced solar energy absorption results in lower exterior surface temperatures, and, consequently, less heat flow across the building envelope, and reduced electrical requirements to maintain air-conditioned spac…