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Long term steels corrosion : physico-chemical properties of ferrous hydroxysalts

Ilanith Azoulay2013-12-10theses.fr (ABES)

Cette étude a porté sur différents hydroxysels ferreux, formés en milieu carbonaté ou sulfaté. Ces composés sont connus pour le rôle important qu’ils jouent lors des processus de corrosion à long terme des aciers en milieux naturels (sols, milieu marin). La chukanovite, hydroxycarbonate ferreux de composition Fe2(OH)2…

Engineering Diagnostics and ReliabilityMaterial Properties and Failure MechanismsMaterial Properties and Applications

Study of supercapacitors floating ageing and impact of high frequency current ripple

Ronan German2013-12-10theses.fr (ABES)

Les travaux de recherche sont consacrés au vieillissement des supercondensateurs (SC) à double couche électrique dans un réseau électrique embarqué soumis à des ondulations de courant de haute fréquence (par exemple celui d'un véhicule hybride). Les SC étudiés sont des composants commerciaux représentatifs de la techn…

Supercapacitor Materials and FabricationElectric and Hybrid Vehicle Technologies

Biopolymers aging : structural and functional study

Charlotte Jacquot2013-12-10theses.fr (ABES)

Les inquiétudes concernant la gestion des déchets sont croissantes dans un contexte environnemental préoccupant. De ce fait, il est apparu urgent de trouver des substituts aux plastiques conventionnels et les biopolymères semblent être une réponse prometteuse. Leurs propriétés leur permettent des usages très divers, d…

biodegradable polymer synthesis and properties

A new phase field model for material fatigue in oscillating\n elastoplastic beam

Michela Eleuteri、Jana Kopfová、Pavel Krejčı́2013-12-10arXiv (Cornell University)

We pursue the study of fatigue accumulation in an oscillating elastoplastic\nbeam under the additional hypothesis that the material can partially recover by\nthe effect of melting. The full system consists of the momentum and energy\nbalance equations, an evolution equation for the fatigue rate, and a\ndifferential in…

Advanced Mathematical Modeling in EngineeringSolidification and crystal growth phenomenaDifferential Equations and Numerical Methods

Active magnetic bearing: A new step for model-free control

Jérôme de Miras、Cédric Join、Michel Fliess 等 5 位作者2013-12-10HAL (Le Centre pour la Communication Scientifique Directe)

International audience

Metallurgical and Alloy ProcessesMagnetic Bearings and Levitation DynamicsTribology and Lubrication Engineering

Polymers

Kevin L. Ong、Scott Lovald、Jonathan Black2013-12-10OpenAlex

The selection and use of implant materials involve important prospective decisions. Each material has specic combinations and ranges of chemical, mechanical, electrical, thermal, and biologic performance characteristics. Design requirements dictate materials choices; however, once materials choices are made, they stro…

Ocular Disorders and TreatmentsMaterial Selection and Propertiesbiodegradable polymer synthesis and properties

Analiza możliwości oceny stopnia deformacji plastycznej stali austenitycznych metodą magnetycznej pamięci metalu

Maciej Roskosz、S. Griner、Piotr Sosnowski2013-12-10Welding Technology Review

Celem badań była analiza możliwości identyfikacji obszarów odkształconych plastycznie oraz ilościowej oceny stopnia deformacji plastycznej stali austenitycznych na podstawie pomiarów własnego magnetycznego pola rozproszenia WMPR standardowymi przyrządami stosowanymi w metodzie MPM. Przedstawiono wyniki pomiarów WMPR p…

Microstructure and Mechanical Properties of SteelsAdvancements in Materials EngineeringMagnetic Properties and Applications

Analiza możliwości oceny stopnia deformacji plastycznej stali austenitycznych metodą magnetycznej pamięci metalu

Maciej Roskosz、S. Griner、Piotr Sosnowski2013-12-10Welding Technology Review

Celem badań była analiza możliwości identyfikacji obszarów odkształconych plastycznie oraz ilościowej oceny stopnia deformacji plastycznej stali austenitycznych na podstawie pomiarów własnego magnetycznego pola rozproszenia WMPR standardowymi przyrządami stosowanymi w metodzie MPM. Przedstawiono wyniki pomiarów WMPR p…

Advancements in Materials EngineeringMagnetic Properties and ApplicationsMicrostructure and Mechanical Properties of Steels

Ocena jakości i stopnia zużycia rur kotłowych na podstawie obserwacji mikrostruktury metodą replik

Anna Wróbel-Knysak、Kamila Sołtys2013-12-10Welding Technology Review

W opracowaniu przedstawiono wyniki badań mikrostruktury nieniszczącą metodą replik stali 16Mo3 rur kotłowych po długotrwałej eksploatacji. Celem badań była analiza ewentualnych zmian w mikrostrukturze – ocena jakości i stopnia zużycia stali rur kotłowych. Repliki na powierzchni wytrawionej stali zostały odwzorowane w…

Metal Alloys Wear and PropertiesAdvancements in Materials EngineeringMetal and Thin Film Mechanics

Ceramics and composites

Kevin L. Ong、Scott Lovald、Jonathan Black2013-12-10OpenAlex

Ceramics, as a class, tend to be dened by exclusion. The classes of materials called metals on the one hand and polymers on the other hand are easy to determine, both by the predominant interatomic bonding mechanism and by class properties (mechanical, electrical, etc.). Ceramics are primarily those essentially homoge…

Recycling and utilization of industrial and municipal waste in materials productionAdvanced ceramic materials synthesisInnovations in Concrete and Construction Materials

Badania eksperymentalne wpływu geometrii na sygnał diagnostyczny w metodzie magnetycznej pamięci metalu

Maciej Roskosz、Mateusz Dedyk、Anna Sołtysik2013-12-10Welding Technology Review

Dla próbek ze stali 16Mo3 badano wpływ geometrii na wartości składowych wektora natężenia własnego magnetycznego pola rozproszonego WMPR oraz na wartości ich gradientów. Stwierdzono dobrą relację składowej stycznej WMPR mierzonej w kierunku działania naprężeń głównych z wartościami zadawanych obciążeń. Widoczny jest w…

Non-Destructive Testing TechniquesMagnetic Properties and ApplicationsMicrostructure and Mechanical Properties of Steels

Mechanical properties

Kevin L. Ong、Scott Lovald、Jonathan Black2013-12-10OpenAlex

The previous chapter deals with the relationship between external loading and internal elastic-plastic deformation in materials. Relationships are provided to reduce these extrinsic factors to stress and strain, which are associated with the behavior of materials rather than with structural behavior. Stress-strain cur…

Titanium Alloys Microstructure and PropertiesAluminum Alloys Composites PropertiesMagnesium Alloys: Properties and Applications

Large Area Graphene Synthesis and its Applications

Young Ho Lee、Moon J. Kim、Minhee Yun2013-12-10OpenAlex

Abstract : Graphene, a two-dimensional(2D) hexagonal carbon lattice is an attractive material because of because of its exceptional electrical properties, especially a high mobility combined with its mechanical and thermal stability. However, graphene applications are still limited to cases in which high defect densit…

Graphene research and applications

Corrosion des aciers à long terme : propriétés physico-chimiques des hydroxysels ferreux

Ilanith Azoulay2013-12-10HAL (Le Centre pour la Communication Scientifique Directe)

This study deals with various ferrous hydroxysalts formed in carbonated or sulphated environments. These compounds are known to play an important role during the long term corrosion processes of carbon steel in natural media (soils, seawater). Chukanovite, the Fe(II) hydroxycarbonate with composition Fe2(OH)2CO3, was…

Hydrogen embrittlement and corrosion behaviors in metalsCorrosion Behavior and InhibitionMicrostructure and Mechanical Properties of Steels

Bypassing Material Limits in Graphene Transistors through Gate Engineering

Frank Tseng2013-12-10OpenAlex

Graphene is the first of now several two-dimensional materials that has garnered significant interest for its potential application as a transistor for digital and radio-frequency applications. Its natural chemical 'flat-land' has several advantages unique to its hexagonal network of carbon atoms. First, graphene has…

Advancements in Semiconductor Devices and Circuit DesignGraphene research and applicationsRadiation Effects in Electronics

Two types of Dirac-cone surface states on (111) surface of topological crystalline insulator SnTe

Yusuke Tanaka、T. Shoman、K. Nakayama 等 9 位作者2013-12-10arXiv (Cornell University)

We have performed angle-resolved photoemission spectroscopy (ARPES) on the (111) surface of the topological crystalline insulator SnTe. Distinct from a pair of Dirac-cone surface states across the X_bar point of the surface Brillouin zone on the (001) surface, we revealed two types of Dirac-cone surface states each ce…

Topological Materials and PhenomenaGraphene research and applicationsPhotorefractive and Nonlinear Optics

Sonde atomique tomographique SAT

D. Blavette、F. Vurpillot、B. Déconihout2013-12-10Cairn.info

Les progres constants realises dans le domaine des nanosciences et de leurs applications, les nanotechnologies, n'ont pu se faire que grâce au developpement de techniques d'analyse et d'imagerie de plus en plus performantes. Pendant longtemps, les nanostructures telles que les transistors, les vannes de spin, les LED…

Electron and X-Ray Spectroscopy TechniquesAdvanced X-ray and CT ImagingGeochemistry and Geologic Mapping

Two-peak structure in the Resonant Inelastic X-ray Scattering spectra of a spatially frustrated Heisenberg antiferromagnet

Cheng Luo、Trinanjan Datta、Dao‐Xin Yao2013-12-10arXiv (Cornell University)

We perform a comprehensive analysis of the bimagnon resonant inelastic x-ray scattering (RIXS) intensity spectra of the spatially frustrated Jx-Jy-J2 Heisenberg model on a square lattice in both the antiferromagnetic and the collinear antiferromagnetic phase. We study the model for strong frustration and significant s…

Advanced Condensed Matter PhysicsPhysics of Superconductivity and MagnetismIron-based superconductors research

Präzision – ein erreichbares Kriterium in der Hochleistungsflüssigkeitschromatographie von Proteinen und der Totalreflexionsröntgenfluoreszenzanalyse von Metallen

Sandra Grotefend2013-12-10Digitale Bibliothek Braunschweig (Verbundzentrale Göttingen (VZG))

Der Anteil von auf Proteinen basierenden Arzneimitteln am Arzneimittelmarkt nimmt stetig zu. Hierbei handelt es sich häufig um monoklonale Antikörper, welche zur Behandlung von Autoimmun- und Krebserkrankungen eingesetzt werden. Da es sich um hoch potente Arzneimittel handelt ist es wichtig, sie während aller Herstell…

RNA and protein synthesis mechanismsEnzyme Structure and FunctionProtein purification and stability

DESIGN AND DEVELOPMENT OF “TINAGAK” KNOTTING

Vivencio A. Pelesco、Jose P. Monteroso2013-12-10Journal of Science Engineering and Technology (JSET)

The study sought to bring a solution to the slow and tedious process of knotting abaca (Musa textiles Nee) which is still processed by hand by a large number of abaca weavers and farmers. “Tinagak” is the local term for knotted Manila hemp, and is the basic component in the production of “sinamay” or dyed and stiffene…

Material Selection and PropertiesBanana Cultivation and ResearchBamboo properties and applications