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Showing 1 to 20 of 46 for “"Fe/Al"”.
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Nanostruktur ionenbestrahlter Fe/Al- und Co/Cu-Grenzschichten
In dieser Arbeit wird die nanoskalige Struktur von Grenzschichten in binären metallischen Multischichten untersucht. Ausgangspunkt sind laserdeponierte Multischichten des mischbaren Systems Fe/Al und des nichtmischbaren Systems Co/Cu. Die Struktur der durch die hochenergetischen Teilchen bei der …
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Fe-Al-O spinel : internal structure and electrical conduction.
… Institute of Technology, Department of Materials Science and Engineering, 1977
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Migration kinetics of antiphase boundaries in Fe-Al ordered alloys
… Institute of Technology, Dept. of Materials Science and Engineering, 1988.
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Low and Structure at Constant Temperature in a Superplastic Fe-Al-Mn-C Alloy.
… superplasticity is that property of some metals to elongate many times their original lengths during deformation at elevated temperatures. Micrograin superplasticity is exhibited during deformation at constant temperature by metals having a fine grain structure and is to be distinguished from …
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The Growth And Magnetic Properties Of Metal Overlayer Systems: Palladium/copper(100), Iron/aluminum(100) And Iron/sulfur/gallium Arsenide(100)
Epitaxial growth of a metal overlayer on an appropriate substrate can be utilized to create systems which exhibit unique chemical and magnetic properties. This thesis will outline the investigation of three metal overlayer systems: Pd/Cu(100), Fe/Al(100) and Fe/S/GaAs(100). In the Pd/Cu(100) system …
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Ferric/ferrous determinations in synthetic biotite
The relationships between ferric iron content and the P-T-fH₂ conditions of formation were examined for two biotite compositions: annite (K₂Fe₅Al₄Si₅O₂₀(OH)₄) and siderophyllite (K₂Fe₆Al₂Si₆O₂₀(OH)₄). The synthesized phases were annealed at fixed hydrogen fugacities using both the solid oxygen …
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Availability and Surface Runoff of Phosphorus from Compost Amended Mid-Atlantic Soils
… increases the risk for P enrichment of agricultural runoff. Transport of these residuals to areas where P may be efficiently utilized is necessary to reduce the threat to water quality. Composting can improve biosolids and manure handling characteristics to make their transportation more feasible; …
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Caracterización de las formas de fósforo y de los procesos que afectan su disponibilidad en suelos de diferentes geoformas en la región semiárida central
… fue comprender los factores y procesos que afectan la variabilidad espacial de la disponibilidad de P en perfiles de suelo de la Región Semiárida Central, con la finalidad de adaptar el manejo de la fertilidad fosforada a las características de los suelos para mejorar la eficiencia en el uso …
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An electron microscopy study of continuous ordering and phase separation in iron-rich iron-aluminum alloys
… two recent phase diagram determinations of the Fe-Al system is resolved experimentally. Both diagrams are correct, but-one is a metastable coherent phase diagram. The iron-aluminum system possesses a tricritical point where a line of [lambda]- transitions ends at a miscibility gap at about 23 …
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Particle shape anisotropy and its effects in AlNiCo and Fe-Cr-Co magnet alloys.
… the result of a comparative investigation of two alloy systems from which useful permanent magnet properties can be achieved by suitable heat treatment. Alnico alloys, and in particular a Fe-Al-Ni-Co alloy, are compared with Fe-Cr-Co alloys. The most striking observation throughout this work has …
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Phosphorus Retention and Fractionation in Masonry Sand and Light Weight Expanded Shale Used as Substrate in a Subsurface Flow Wetland
… technology for long-term phosphorus (P) removal. The P retention effectiveness of subsurface wetlands can be improved by using appropriate substrates. The objectives of this study were to: (i) use sorption isotherms to estimate the P sorption capacity of the two materials, masonry sand and …
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Desarrollo de composites magnetostrictivos de FeAl y FeGa para su aplicación en sensores de deformación
… and deformations in the hull of a ship is vitally important for the safety of navigation as well as for its proper functioning. Currently, the control of the good condition of the ship's structure is carried out by the Classification Societies during the regular reviews of the ships, based on …
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Keberkesanan elektro-penggumpalan (aluminum dan ferum) bersama penggumpal komposit(poli aluminum klorida dan tepung ubi kayu) bagi merawat larut lesapan
Kaedah elektro-penggumpalan bersama bahan penggumpal komposit telah banyak digunakan untuk merawat larut lesapan antaranya mengunakan kepelbagaian elektrod. Kepelbagaian elektrod merupakan salah satu faktor yang penting terhadap keberkesanan penyingkiran parameter di dalam proses EC. Kepentingan …
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Synthesis and crystal chemistry of lanthanide allanites
… chemistry are major obstacles to the crystal chemical characterization of natural allanites. To overcome these problems, allanites, Ca(REE)Fe²+Al₂Si₃O₁₂(OH), where REE = La, La-Ce, Ce, Nd, Sm, Eu, Gd, Er, Dy, Yb and Y have been synthesized hydrothermally from unbuffered and buffered oxide …
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Geochemistry and petrogenesis of the Proterozoic Pater metavolcanic suite, Spragge, Ontario /
… suite (PVS) was extruded as part O'f the basal Pater Formation of the Huronian Supergroup ca. 2.4 Ga. They Ars classified as wi thin-plate tholeiites associated with an immature ri-fting episode, and are inter layered with associated vol cani clastic and metasedimentary units. Post-solidif …
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In-liquid bulk acoustic wave resonators for biosensing applications
… operating between 1-5 GHz have tremendous potential as biosensors because they are inexpensive, label-free, fast and highly sensitive. The two main challenges in this objective are: the conventional longitudinal mode resonance in $\textit{c}$-axis oriented piezoelectric films suffers from more …
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The potential for superlattice precipitate reinforcement in titanium-iron alloys
In the pursuit of novel structural metallic alloys, the concept of alloys featuring ordered B2 precipitates within a BCC matrix offers a promising possibility due to the potential synergistic benefits of a matrix with superlattice precipitates. The titanium-iron system is selected for this purpose, …
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Influence of pH, phosphorus addition and soil water content on phosphorus pools in acid sulfate soils
… in ASS which is constrained due to high Fe content and changing redox potential. This thesis aimed to investigate the effect of P addition, pH and soil water content on P pools in ASS. A sandy sulfuric ASS (pH 3.2) was used in the experiments. In the first experiment, the ASS was amended …
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Assessment of gentle remediation options for trace element-contaminated agricultural land under semi-controlled and field conditions
The global soil resources are significantly threatened by pollution. In addition to the existing burden of contaminants in agricultural soils, the increasing anthropogenic input of metal(loid)s, further referred to as trace elements (TE), presents a major public health concern, since it endangers …
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Kukorica (Zea mays L.) hibridek biogén szilícium tartalma és a termésbiztonság növelésében betöltött szerepének alapjai
… kutatások rámutatnak, hogy a növények egészséges fejlődéséhez, és ellenállóságuk biztosításához a szilícium igen fontos elem. A szilícium növényélettani szerepe különböző az egyes növénycsaládokban, akkumulációjának mértéke genetikailag meghatározott. Számos munka foglalkozik azzal a ténnyel, hogy …
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