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PROCESSO DE OBTENÇÃO DE ESPUMA SINTÁTICA COM MATRIZ DE ALUMÍNIO Al 5052 PELO MÉTODO DE TIXOINFILTRAÇÃO

Rafael Claudiano de Moraes、João Roberto Sartori Moreno、João Paulo de Oliveira Paschoal 等 4 位作者2020-08-13OpenAlex

Neste trabalho, o processo de tixoinfiltracao foi utilizado para obter uma espuma metalica sintatica com matriz de aluminio, utilizando micro baloes cerâmicos ocos ( Fly Ash ) para obtencao dos poros da espuma, os parâmetros do processo foram definidos a partir da caracterizacao da liga de aluminio Al 5052 quanto a su…

Advanced Machining and Optimization TechniquesAluminum Alloys Composites PropertiesMaterial Selection and Properties

Resistência à corrosão de eletrodepósitos CuZn de soluções alcalinas com partículas duras de Al2O3.

Maria Isabel da Silva、Paulo Cezar Tulio、Fallconny Rodrigues Sensato Oliveira2020-08-13OpenAlex

Resistencia a corrosao (RCorr) de revestimentos CuZn obtidos por eletrodeposicao de solucao alcalina com EDTA e particulas duras de Al 2 O 3 foi avaliada por Tafel. Particulas de Al 2 O 3 podem incorporar-se a matriz CuZn formando revestimentos compositos combinando altas dureza e RCorr, interessantes na protecao cont…

Corrosion Behavior and InhibitionAdvanced Machining and Optimization TechniquesElectrodeposition and Electroless Coatings

Method for calculating the «mamsar+a» coupling with rope-core elements

М.А. Минасян、Ц. Цзэн、А.М. Минасян2020-08-13МОРСКИЕ ИНТЕЛЛЕКТУАЛЬНЫЕ ТЕХНОЛОГИИ

Цель представленной статьи – ознакомление читателей с оригинальной методикой расчета канатностержневой муфты «MAMSAR+A». Методика расчета канатностержневой муфты рассматривается применительно к экспериментальному дизель-генераторному агрегату мощностью 9,56 кВт при частоте вращения 1500 мин-1с дизелем 2Ч8,5/11 и генер…

Material Properties and ApplicationsIndustrial Engineering and TechnologiesEngineering Diagnostics and Reliability

Experimental research of shipbuilding steels at cathodic polarization

Anna V. Rodkina、Olga А. Ivanova、Vadim Kramar 等 4 位作者2020-08-13МОРСКИЕ ИНТЕЛЛЕКТУАЛЬНЫЕ ТЕХНОЛОГИИ

С целью определения корректных значений защитного потенциала, указываемых в системах катодной защиты морских судов и сооружений наложенным током для предотвращения локальных коррозионно-механических разрушений разработана методика определения потенциала корпусных сталей в отсутствии поверхностной пленки при катодной п…

Engineering Diagnostics and ReliabilityMaterial Properties and Failure Mechanisms

Stress state of ship welded elements with round holes and concentric inserts

Н Л Великанов、С.И. Корягин、О.В. Шарков2020-08-13МОРСКИЕ ИНТЕЛЛЕКТУАЛЬНЫЕ ТЕХНОЛОГИИ

Морские суда являются специфическими конструкциями, в которых содержится относительно большое количество трубопроводов, электрических кабелей и т.п. Они имеют большую протяженность и, соответственно, многочисленные пересечения с листовыми элементами корпуса судна. Усиленные отверстия вносят изменения в напряженно-дефо…

Material Properties and ApplicationsEngineering Diagnostics and ReliabilityMaterial Properties and Failure Mechanisms

Radial stresses at the metal-coating interface of ship composite elements

С.И. Корягин、Н Л Великанов、О.В. Шарков2020-08-13МОРСКИЕ ИНТЕЛЛЕКТУАЛЬНЫЕ ТЕХНОЛОГИИ

В работе выполнена сравнительная оценка радиальных напряжений на границе раздела слоев металла и полимерного покрытия судовых композиционных элементов. Поле напряжений создается при изготовлении судовых композиционных элементов с большой кривизной рабочих поверхностей. Учтено влияние на адгезионную прочность действия…

Material Properties and Failure MechanismsMaterial Properties and ApplicationsEngineering Diagnostics and Reliability

First-Principles Study of Properties, Morphology, Synthesis, and Applications of Low-Dimensional Materials

Luqing Wang2020-08-13Rice Digital Scholarship Archive (Rice University)

The non-trivial properties of low-dimensional (LD) materials due to quantum confinement effect miraculously advance our understanding of the fundamental physics principles of nature. This thesis explores the electronic and mechanical properties, morphologies, synthesis mechanism, and electro-catalytic applications of…

Copper-based nanomaterials and applicationsAnodic Oxide Films and Nanostructures2D Materials and Applications

Induced aggregation and synergistic coordination strategy in metal oxo clusters and their organic frameworks

Wei‐Hui Fang、Guo‐Yu Yang2020-08-13Scientia Sinica Chimica

The new class of materials of metal cluster organic framework (MCOFs) derive from metal organic framework (MOFs) and metal oxo clusters (MOCs). In recent years, MCOFs has attracted considerable attention for their combination of metal oxo clusters and porous characteristics. We herein summarize the progress of lanthan…

Polyoxometalates: Synthesis and ApplicationsMetal-Organic Frameworks: Synthesis and ApplicationsNanocluster Synthesis and Applications

Tribological Behaviour of AA2014 Reinforced with Al2O3 Particulates

Peter Madindwa Mashinini、Neeraj Sharma、Hargovind Soni2020-08-13OpenAlex

Composite of AA2014 reinforced with 15 wt. % of Al2O3 reinforcement was manufactured by liquid casting mode. Wear was estimated on specimens prepared according to ASTM G99- 95a standard at room temperature. Pin-on-disc apparatus was used to evaluate the wear of specimens. Wear rate enlarged with a raise in the load an…

Aluminum Alloys Composites PropertiesAdditive Manufacturing and 3D Printing TechnologiesAdvanced ceramic materials synthesis

The Influence of Charge Transport Layer Interfaces on the Performance of Electroluminescent Colloidal Quantum Dot Light-Emitting Devices

Tyler Davidson‐Hall2020-08-13UWSpace (University of Waterloo)

Electroluminescent quantum dot light-emitting devices (QDLEDs) are a relatively new technology for displays that have all of the benefits of emissive displays commonly associated with organic light-emitting devices (OLEDs) such as low power draw, deeper black levels, and fast refresh rates. However, QD emitters confer…

Nanocluster Synthesis and ApplicationsQuantum Dots Synthesis And PropertiesChalcogenide Semiconductor Thin Films

Oxidase-likeMOF-818 Nanozyme with High Specificityfor Catalysis of Catechol Oxidation

Minghua Li、Jinxing Chen、Weiwei Wu 等 5 位作者2020-08-13Figshare

Despite the extensive studies of the nanozymes showing their superior properties compared to natural enzymes and traditional artificial enzymes, the development of highly specific nanozymes is still a challenge. The catechol oxidase specifically catalyzing the oxidations of o-diphenol to the corresponding o-quinone is…

Nanocluster Synthesis and ApplicationsCarbon and Quantum Dots ApplicationsAdvanced Nanomaterials in Catalysis

Una nuova prospettiva sulla guida della densità di corrente

Lucas Ruas de Lucena2020-08-13Revista Científica Multidisciplinar Núcleo do Conhecimento

Questo articolo discute proposte alternative e complementari alle leggi di J.C.Maxwell sull’elettromagnetismo classico, basate su alcune ipotesi, esempi ipotetici e calcoli, con risultati che possono dedurre nuove interpretazioni sulla densità di corrente di conduzione del fenomeno fisico. Queste nuove interpretazioni…

Geophysics and Sensor TechnologyAdvanced Scientific and Engineering StudiesChemical and Physical Properties of Materials

Applicability of the ARCON96 Code to the Radiological Consequence Analysis of Releases from the Radioassay and Non-Destructive Testing (RANT) Facility

David Bruggeman、Carl A. Mazzola、Μ. E. Pansoy-Hjelvik 等 4 位作者2020-08-13OpenAlex

Establish technical justification to demonstrate that the horizontal diffusion parameter (σy) and vertical diffusion parameter (σz) that are embedded in the Nuclear Regulatory Commission (NRC) Atmospheric Relative CONcentrations (ARCON96) code are representative of the meteorological conditions at LANL. Compare the AR…

Nuclear and radioactivity studiesGraphite, nuclear technology, radiation studiesRadioactive contamination and transfer

Inside Back Cover: Heterogeneous Electrofreezing of Super‐Cooled Water on Surfaces of Pyroelectric Crystals is Triggered by Trigonal Planar Ions (Angew. Chem. Int. Ed. 36/2020)

Sofia Curland、Christoph Allolio、Leah Javitt 等 9 位作者2020-08-13Angewandte Chemie International Edition

Electrofreezing experiments of super-cooled water with different ions were performed on the charged hemihedral faces of pyroelectric LiTaO3 and AgI crystals. In their Communication on page 15575,D. Harries, M. Lahav, I. Lubomirsky et al. demonstrate that HCO3− ions elevate the icing temperature near the positively cha…

Smart Materials for ConstructionGas Sensing Nanomaterials and SensorsSolid-state spectroscopy and crystallography

Optimization of DARHT Axis 1 Injector Voltage

D.C. Moir、Office of Defense Nuclear Nonproliferation USDOE National Nuclear Security Administration (NNSA)、Trevor Burris-Mog 等 6 位作者2020-08-13OpenAlex

The Dual-Axis Radiographic Hydrodynamic Test (DARHT) facility provides flash radiography capabilities using two electron Linear Induction Accelerators (LIA’s). Axis-1 of DARHT produces a 20- MeV, 2-kA, 80-ns-FWHM electron beam. The strict requirements for flash radiography require a detailed understanding of the LIA’s…

Pulsed Power Technology ApplicationsPlasma Diagnostics and ApplicationsHigh voltage insulation and dielectric phenomena

PENGARUH ABU AMPAS TEBU SEBAGAI BAHAN PENGGANTI SEBAGIAN SEMEN TERHADAP KUAT TEKAN BETON DENGAN FAS 0,40

Rizki Dwipa Aryudha2020-08-13ETD Unsyiah

Proyek Akhir Diploma-III Pengaruh Abu Ampas Tebu Sebagai Bahan Pengganti Sebagian Semen Terhadap Kuat Tekan Beton dengan FAS 0,40 Rizki Dwipa Aryudha 1604001010041 Program Studi Diploma-III Teknik Sipil Jurusan Teknik Sipil-Fakultas Teknik Universitas Syiah Kuala Abstrak Beton merupakan unsur yang paling penting dalam…

Material Selection and PropertiesGeotechnical and construction materials studies

Eine neue Perspektive auf die Stromdichte

Lucas Ruas de Lucena2020-08-13Revista Científica Multidisciplinar Núcleo do Conhecimento

Dieser Artikel behandelt alternative und ergänzende Vorschläge zu J.C.Maxwell Gesetzen des klassischen Elektromagnetismus, basierend auf bestimmten Hypothesen, hypothetischen Beispielen und Berechnungen, mit Ergebnissen, die neue Interpretationen über die physikalische Phänomenleitungsstromdichte ableiten können. Dies…

Chemical and Physical Properties of MaterialsGeophysics and Sensor TechnologyAdvanced Scientific and Engineering Studies

Thermo-Sensitive Nanogels for Targeted Tracer Release in Push and Pull Operations

Arun Kumar Panneer Selvam、Mahmoud Ould Metidji、Mário Silva 等 5 位作者2020-08-13SPE Improved Oil Recovery Conference

Abstract The single-well chemical tracer test (SWCTT) is widely used in the determination of residual oil saturation (SOR) in the near-well region. SWCTTs typically require large amounts of chemicals and some days of well shut-down. In the present paper, we propose using thermo-sensitive nanogel carriers for targeted…

Nanoparticle-Based Drug DeliveryHydrogels: synthesis, properties, applicationsCharacterization and Applications of Magnetic Nanoparticles

An uncuttable foam

Brent Grocholski2020-08-13Science

Materials Science Designing structures across many different length scales provides flexibility in optimizing for certain properties. Szyniszewski et al. created a new material, called Proteus, that is highly deformable yet resistant to cutting. Proteus consists of ceramic spheres embedded in aluminum foam to accompli…

Mechanical and Thermal Properties AnalysisMaterial Properties and ApplicationsInnovations in Concrete and Construction Materials