Search results for "material"

showing 10 items of 32550 documents

Comparison of Post-Weld Treatment of High-Strength Steel Welded Joints in Medium Cycle Fatigue

2010

This paper presents a comparison of three post-weld treatments for fatigue life improvement of welded joints. The objective is to determine the most suitable post-weld treatment for implementation in mass production of certain crane components manufactured from very high-strength steel. The processes investigated are: burr grinding, TIG dressing and ultrasonic impact treatment. The focus of this investigation is on the so-called medium cycle area, i.e. 10 000-500 000 cycles and very high stress ranges. In this area of fatigue design, the use of very high strength steel becomes necessary, since the stress range can exceed the yield-strength of ordinary structural steel, especially when consi…

practical implementationMaterials scienceEfterbehandlingPraktisk implementeringUltrasonic impact treatmentWeldingEksperimentel undersøgelselaw.inventionStress (mechanics)experimental investigationStress rangemedium cycle fatiguelawhigh strength steelpost-weld treatmentfatigue testingHøjstyrkestålUdmattelsestestmass productionMasseproduktionbusiness.industryMechanical EngineeringGas tungsten arc weldingMetallurgyMetals and AlloysHigh strength steelStructural engineeringGrindingMechanics of MaterialsMedium cycle udmattelseSolid mechanicsbusinessWelding in the World
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Materiały dziennikarskie jako dobra prawnie chronione w świetle prawa autorskiego, regulacji niemieckich oraz judykatury europejskiej

2016

Tematem artykułu są materiały dziennikarskie w tym publikacje o charakterze informacyjnym i publicystycznym, traktowane w poniższym przedłożeniu, jako wytwory intelektualne tworzące najważniejsze zasoby mediów współczesnych. Autor wychodzi z założenia, że pomimo, iż nie każdy proces intelektualny prowadzi do powstania rezultatu o cechach twórczych, a zawarte w materiałach dziennikarskich treści informacyjne są wolnymi i nie chronionymi dobrami publicznymi, to w wyniku złożonych procesów pracy dziennikarskiej i redakcyjnej następuje ich przetworzenie, do postaci utworów w rozumieniu art. 1 Prawa autorskiego (dalej Pr. aut.). Uzasadnieniem dla przyjętej tezy jest linia orzecznictwa zaprezento…

prawo autorskiejournalistgatunki dziennikarskiecopyrightjournalistic materialjournalism genresmateriał dziennikarskidziennikarzinformacjainformationNaukowy Przegląd Dziennikarski
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Surface Treatment and nanofiller effect on the polymeric nanocomposites

2008

preparationSettore ING-IND/22 - Scienza E Tecnologia Dei Materialinanocompositenanofillerfunctionalization
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I Symposium of Elite Performance in Combat Sports

2017

This report presents a summary of the I Symposium of Elite Performance in Combat Sports held in Madrid, May 27, 2017. The symposium, organized by the Faculty of Sport Sciences-INEF of the Polytechnic University of Madrid, aimed to bring science closer to practice. A panel of highly successful athletes involved in karate, fencing, and taekwondo shared their experiences. The speakers presented crucial topics for an optimal preparation and high level performance such as strength training, sport psychology, brain maturation, sports nutrition, competition planning, sport injuries, and perceptual-decision making training.

preparationlcsh:Sportslcsh:GV557-1198.995martial artsOlympic sportsliikuntatiedecombat sportsMaterials Science (miscellaneous)elite athletesoptimal performanceBusiness and International ManagementIndustrial and Manufacturing EngineeringkonferenssitRevista de Artes Marciales Asiáticas
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Rhéologie et déformation du verre dans des conditions extrêmes

2018

Hardness measurements performed at room temperature have proven that glass can flow under elevated pressure. During industrial glass production processes, the actual distribution of stress components in the glass during scribing remains, to date, poorly quantified, and thus continues to be challenging to model numerically. To better quantify the viscous contribution to the rheology of glass, the effect of pressure on the viscosity and structural relaxation of glass, needs to be quantified experimentally by in situ deformation measurements.In this thesis, I performed experiments and models to study: (i) the volumetric relaxation of glass after high-pressure treatment above the glass transiti…

pressureverrepression[PHYS.MECA.MEMA] Physics [physics]/Mechanics [physics]/Mechanics of materials [physics.class-ph][PHYS.PHYS.PHYS-GEO-PH] Physics [physics]/Physics [physics]/Geophysics [physics.geo-ph]températurerheologyrhéologiedéformationglass
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Trans -Cyclooctene-Functionalized PeptoBrushes with Improved Reaction Kinetics of the Tetrazine Ligation for Pretargeted Nuclear Imaging

2020

Tumor targeting using agents with slow pharmacokinetics represents a major challenge in nuclear imaging and targeted radionuclide therapy as they most often result in low imaging contrast and high radiation dose to healthy tissue. To address this challenge, we developed a polymer-based targeting agent that can be used for pretargeted imaging and thus separates tumor accumulation from the imaging step in time. The developed targeting agent is based on polypeptide-graft-polypeptoid polymers (PeptoBrushes) functionalized with trans-cyclooctene (TCO). The complementary In-111-labeled imaging agent is a 1,2,4,5-tetrazine derivative, which can react with aforementioned TCO-modified PeptoBrushes i…

pretargeted imagingGeneral Physics and Astronomy02 engineering and technology010402 general chemistry01 natural sciencesArticlechemistry.chemical_compoundTetrazinetetrazine ligationCycloocteneGeneral Materials Sciencepolypeptide-graft-polypeptoidsPretargetingchemistry.chemical_classificationGeneral EngineeringPolymerEPR effectPeptoBrush021001 nanoscience & nanotechnologynanomedicineSmall moleculeCombinatorial chemistryImaging agent0104 chemical scienceschemistrySPECTNanomedicineBioorthogonal chemistry0210 nano-technologyACS Nano
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Effect of Hot Dip Galvanized Steel Surface Chemistry and Morphology on Titanium Hexafluoride Pretreatment

2017

Titanium hexafluoride pretreatments are known to improve paint adhesion and function as a barrier between the coating and the hot dip galvanized (HDG) steel surface. Interactions at the zinc/pretreatment interface are of utmost importance for the formation of pretreatment layers and the corrosion resistance of color coated hot dip galvanized steels. Removal rate of inert aluminum oxide from HDG steel samples by chemical dissolution was studied. XPS measurements showed that the surface Al2O3 layer thickness decreased rapidly already at mild alkaline cleaning, while complete removal of Al required severe etching. Low reactivity of an Al2O3-rich surface was confirmed by impaired formation of a…

pretreatment surface morphologyMaterials sciencechemistry.chemical_elementalumiinioksidi02 engineering and technologyElectron microprobe01 natural sciencesCorrosionaluminum oxidechemistry.chemical_compoundsymbols.namesakeHexafluorideX-ray photoelectron spectroscopy0103 physical sciencessurface morphology010302 applied physicsta114Precipitation (chemistry)Metallurgytechnology industry and agricultureGeneral Engineeringpretreatment021001 nanoscience & nanotechnologyGalvanizationhot dip galvanized steelchemistryhelium ion microscopysymbolsGrain boundary0210 nano-technologyTitaniumAdvances in Materials Physics and Chemistry
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Teoría formal y material de los derechos fundamentales. Reflexiones entorno a la teoría de los derechos fundamentales de Luigi Ferrajoli

2013

Este trabajo analiza críticamente las tesis de Ferrajoli en torno a la Teoría del Derecho y la Teoría de los derechos fundamentales. Ferrajoli ofrece una Teoría formal del Derecho y los derechos. Sin embargo, la dimensión formal y material de la Teoría son inseparables. Ferrajoli opta por un concepto meramente teórico y formal de los derechos que olvida su inevitable dimensión axiológica. Además, proporciona un fundamento de los derechos criticable en varios aspectos, por ejemplo, al considerar como uno de sus fundamentos la democracia cuando en realidad los derechos promueven no un cambio de democracia (de formal a material) sino un cambio de Estado como Estado constitucional. Asimismo, Fe…

principios y reglasTeoría formal del Derechogarantías de los derechosderechos fundamentalesconcepto y fundamento de los derechosPrincipia iuristeoría material del DerechoTeoría formal del Derecho; teoría material del Derecho; derechos fundamentales; concepto y fundamento de los derechos; principios y reglas; garantías de los derechos; Principia iuris
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Col·lecció problemes Ciència de Materials II del Grau d' Enginyeria Química. Tema 10.

2018

Col·lecció problemes Ciència de Materials II del Grau d' Enginyeria Química. Tema 10. Aquests materials han rebut l'ajut del Servei de Política Lingüística de la Universitat de València Col·lecció problemes Ciència de Materials II del Grau d' Enginyeria Química. Tema 10. Aquests materials han rebut l'ajut del Servei de Política Lingüística de la Universitat de València

problemesmaterials
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Procédé multiéchelle pour la reconstruction des courbes d'émission acoustique révélatrices des ruptures de fibres au sein d'un composite unidirection…

2006

International audience; Dans cette étude, la première partie du travail consiste en une analyse fine, par éléments finis, des mécanismes de report de charge entre lesfibres rompues et intactes d'un composite unidirectionnel. On considère différentes configurations d'endommagement du composite et deux types de comportement matriciel (élastique et viscoélastique) avec ou sans décohésion à l'interface fibre rompue/matrice. En raison de ces différents aspects, les limites habituelles des approches faites jusqu'à présent sont repoussées et notamment celles des modèles analytiques. La seconde partie du travail consiste en la mise en place d'un procédé multiéchelles qui synthétise les phénomènes m…

procédés multiéchelles[PHYS.COND.CM-MS]Physics [physics]/Condensed Matter [cond-mat]/Materials Science [cond-mat.mtrl-sci]Endommagement[ PHYS.COND.CM-MS ] Physics [physics]/Condensed Matter [cond-mat]/Materials Science [cond-mat.mtrl-sci]composites[PHYS.COND.CM-MS] Physics [physics]/Condensed Matter [cond-mat]/Materials Science [cond-mat.mtrl-sci]
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