Materials Literature
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Austenitic type 304 (UNS S30400) stainless steel is susceptible to stress corrosion cracking (SCC) in acidic chloride (Cl–) solutions at ambient temperature. In this study, a layer of adsorbed product film enriched in chromium and nickel was found to form on the metal surface in the solutions. This product film had a…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTElectrochemical Intercalation of Oxygen in La2NiO4+x: Phase Separation below Ambient TemperatureI. Yazdi, S. Bhavaraju, J. F. DiCarlo, D. P. Scarfe, and A. J. JacobsonCite this: Chem. Mater. 1994, 6, 11, 2078–2084Publication Date (Print):November 1, 1994Publication History P…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTDisjoining Pressure of Thin Nonfreezing Water Interlayers between Ice and Silica SurfaceN. V. Churaev, S. A. Bardasov, and V. D. SobolevCite this: Langmuir 1994, 10, 11, 4203–4208Publication Date (Print):November 1, 1994Publication History Published online1 May 2002Published…
A recombinant strain of Escherichia coli , which overexpressed phaC and phaE from Chromatium vinosum , was used to isolate poly(3‐hydroxyalkanoic acid) synthase. The isolation was performed by a two‐step procedure including chromatography on DEAE‐Sephacel and Procion Blue H‐ERD. The poly(3‐hydroxyalkanoic acid) syntha…
A theoretical survey of lattice defects including transformation twins due to a structural transformation is presented for Mn3O4 hausmannite. Room-temperature transmission electron microscopy observations of synthetic samples reveals that accommodation twins are present, associated with the structural transition. Two…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTZirconium Dioxide Supported on .alpha.-Cellulose: Synthesis and CharacterizationUbirajara P. Rodrigues Filho, Yoshitaka Gushikem, Fred Y. Fujiwara, Sandra C. de Castro, Iris C. L. Torriani, and Leide Passos CavalcantiCite this: Langmuir 1994, 10, 11, 4357–4360Publication Dat…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTEvaluation and Application of Isokinetic Relationships: The Thermal Decomposition of Solids under Nonisothermal ConditionsSergey Vyazovkin and Wolfgang LinertCite this: J. Chem. Inf. Comput. Sci. 1994, 34, 6, 1273–1278Publication Date (Print):November 1, 1994Publication Hist…
Alumina/ceria‐stabilized zirconia bars tested in four‐point bending exhibited deformation bands on the tensile side due to localized tetragonal‐to‐monoclinic transformation. These bands became increasingly darker and were fully visible some weeks after the bending experiment. XPS spectra revealed that the darker regio…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTIsolating the Reaction Steps in the Formation of Methoxy on Cu(100)T. H. Ellis and H. WangCite this: Langmuir 1994, 10, 11, 4083–4088Publication Date (Print):November 1, 1994Publication History Published online1 May 2002Published inissue 1 November 1994https://pubs.acs.org/d…
Selective deposition was observed in the growth of silicon dioxide using liquid‐phase deposition process. By adjusting the growth parameters, the key mechanism leading to the observed selective deposition was identified. It is found that within the same period of time, a thicker oxide film is grown when the native oxi…
Conjugated porphyrin oligomers show strong optical dichroism when oriented in a stretched polymer matrix. It is shown that the zinc porphyrin polymer (∼10 repeat units) aligns, as expected, with its backbone in the stretch direction, whereas the dimer orients with its molecular plane perpendicular to the stretch. This…
Electrochemical calculations of 3d-transition metal (Fe, Ni, Co and Cr)-water systems at 558 K were performed to evaluated the general corrosion behavior of materials in a BWR primary circuit. Thermodynamics expressed by Pourbaix diagrams, the solubilities of oxides and the equilibrium activities of H2, O2 and H2O2 in…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTMonolayers of Bolaform Amphiphiles: Influence of Alkyl Chain Length and CounterionsGuangzhao Mao, Yi-Hua Tsao, Matthew Tirrell, H. Ted Davis, Volker Hessel, Jan van Esch, and Helmut RingsdorfCite this: Langmuir 1994, 10, 11, 4174–4184Publication Date (Print):November 1, 1994…
Abstract The nanoscopic domain of structural complexity, which ranges from 1 to 100 run on a particle size scale includes a relatively unexplored area of science which resides between classical chemistry and molecular biology. This rapidly growing area of science is referred to as nanoscopic chemistry and architecture…
Abstract Soil samples collected from 110 different sites in the Kyoto district, Japan, were analyzed quantitatively using X-ray fluorescence spectroscopy to predict unknown soil origins. More than 250 mg soil samples, ground to −100 + 200 mesh and pressed, were analyzed for Si, K, Ca, Ti, Fe, Rb and Sr with good repro…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXT113Cd Shielding Tensors of Monomeric Cadmium Compounds Containing Nitrogen Donor Atoms. 1. CP/MAS Studies on Cadmium Poly(pyrazolyl)borate Complexes Having N4 and N6 Coordination EnvironmentsAndrew S. Lipton, Scott S. Mason, Daniel L. Reger, and Paul D. EllisCite this: J. Am…
Abstract Computer simulation of twofold coordinated silicon and germanium atoms in solid silicon dioxide is performed in a cluster approach with various boundary conditions with the help of the quantumchemical MO method MNDO. Optical absorption and luminescence in the twofold coordinated atoms are found to disagree wi…
Abstract Na 2 B 2 Se 7 (I 2/a; a = 11,863(4) Å, b = 6,703(2) Å, c = 13,811(6) Å, β = 109,41(2)°; Z = 4); K 2 B 2 S 7 (I 2/a; a = 11,660(2) Å, β = 6,827(1) Å, c = 12,992(3) Å, β = 106,78(3)°; Z = 4) und K 2 B 2 Se 7 (I 2/a; a = 12,092(4) Å, b = 7,054(2) Å, c = 13,991(5) Å, β = 107,79(3)°; Z = 4) wurden durch Reaktion s…
Crevice corrosion of alloy 625 in both chlorinated and nonchlorinated American Society for Testing and Materials (ASTM) artificial ocean water was modeled. Secondary current and potential distributions as a function of crevice depth were obtained from the model using the following crevice initiation criteria ( i ) E <…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTMolecular Dynamics Simulation of the Collapse of Poly(1,4-trans-butadiene) to Globule and to a Thin FilmYongjian Zhan and Wayne L. MatticeCite this: Macromolecules 1994, 27, 24, 7056–7062Publication Date (Print):November 1, 1994Publication History Published online1 May 2002P…