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Effects of microstructure and crystallography on crack path and intrinsic resistance to shear-mode fatigue crack growth

Jaroslav Pokluda、T. Vojtek、A. Hohenwarter 等 4 位作者2015-09-01DOAJ (DOAJ: Directory of Open Access Journals)

The paper focuses on the effective resistance and the near-threshold growth mechanisms in the ferritic-pearlitic and the pure pearlitic steel. The influence of microstructure on the shear-mode fatigue crack growth is divided here into two factors: the crystal lattice type and the presence of different phases. Experime…

High-Velocity Impact and Material BehaviorFatigue and fracture mechanicsSurface Treatment and Residual Stress

THE EFFECTS OF METAL NANOPARTICLES ON EMBRYOS OF DIFFERENT ANIMAL SPECIES. A REVIEW

Anca TEUȘAN、Nicolae BARANOV、R. Dmour 等 6 位作者2015-09-01DOAJ (DOAJ: Directory of Open Access Journals)

Today nanotechnology represents a domain that is rapidly developing because nanoparticles are being used in a very large range of products with biomedical applications. Every year, new products, containing nanoparticles (NP) appear on the market. Most of the products containing such nanomaterials come to be used by co…

Nanoparticles: synthesis and applications

Carbon nanotube cavity for compact Radar components

Dunlin, Tan、Hee David、Yu Jong Jen 等 6 位作者2015-09-01HAL (Le Centre pour la Communication Scientifique Directe)

International audience

Electromagnetic wave absorption materialsAdvanced Antenna and Metasurface TechnologiesMetamaterials and Metasurfaces Applications

Inorganic base assisted synthesis of sodium [tris-(acetylacetonato)nickelate(II)] complex and kinetics of its acid-dissociation

Chayanika Debnath、Diptanu Debnath、Tarun Kumar Misra2015-09-01Zenodo (CERN European Organization for Nuclear Research)

Department of Chemistry, National Institute of Technology, Agartala-799 046, Tripura, India E-mail : t_k_misra@yahoo.com Manuscript received online 26 October 2014, revised 11 December 2014, accepted 15 January 2015 Nickel(II) complexes of acetylacetone are potential materials in all disciplines notably catalysis and…

Thermal and Kinetic AnalysisInorganic and Organometallic Chemistry

The Role of SiO2 Gas in the Operation of Anti-Corrosion Coating Produced by PVD

Meysam Zarchi、Shahrokh Ahangarani2015-09-01DOAJ (DOAJ: Directory of Open Access Journals)

This study examined theSiO2 gas present in the coatings used in corrosion industry.These layers have been created by physical vapor deposition (PVD), with an appropriate performance. Sublimation of SiO2is used to protect PVD aluminum flakes from water corrosionand to generate highly porous SiO2 flakes with holes in th…

Material Properties and Applications

Study the Effect of Shot Penning Time by Steel Ball on Dry Sliding Wear Resistance of (Al-3.5%Cu) Alloy

Adel M. Bash2015-09-01Tikrit Journal of Engineering Sciences

This research is devoted to investigate the effect of shot penning time by steel ball with diameter 1.5 mm on the wear resistance of (Al-3.5%Cu) alloy. A pin –on- disc technique has been used to evaluate wear rate of the specimens as prepared and the specimens which treated by shot peening at various time (10,15, 25,…

Metal Forming Simulation TechniquesMetal Alloys Wear and PropertiesAluminum Alloys Composites Properties

Effect of Nb and alloying elements on interface reaction between high Nb-containing TiAl alloys and ZrO2-based ceramic moulds

Liang Yang、Wenbin Kan、Youwei Zhang2015-09-01DOAJ (DOAJ: Directory of Open Access Journals)

In the present study, Ti-45Al-(6, 7, 8)Nb (at%) and Ti-45Al-8Nb-0.5(Mn, Si, Y, B) alloys were prepared by arc melting and casting into ZrO2 (Y2O3 stabilized) ceramic moulds to study the effect of alloying elements Nb and Mn, Si, Y, B on the interfacial reaction between casting TiAl alloys and ceramic moulds by SEM, an…

Catalysis and Hydrodesulfurization StudiesCatalytic Processes in Materials ScienceIntermetallics and Advanced Alloy Properties

Pine wood drying at high temperatures

Mario Matiauda、Juan B. de León Benítez、Nora Freaza 等 4 位作者2015-09-01LA Referencia (Red Federada de Repositorios Institucionales de Publicaciones Científicas)

DOAJ is a unique and extensive index of diverse open access journals from around the world, driven by a growing community, committed to ensuring quality content is freely available online for everyone.

Wood Treatment and PropertiesTextile materials and evaluationsPlant Surface Properties and Treatments

MORPHOFUNCTIONAL CHARACTERISTICS OF FIBROBLASTS (MCCOY CELL LINE) CULTURED WITH MAGNESIUM PREPARATIONS

L. V. Didenko、T. G. Borovaya、E. A. Kost 等 6 位作者2015-09-01DOAJ (DOAJ: Directory of Open Access Journals)

Aim. To study the effect of magnesium orotate, magnesium/pyridoxine combination and magnesium sulfate on fibroblast morphofunctional characteristics in cell culture of fibroblasts (McCoy line). Material and methods. The study of fibroblasts (McCoy line) with the addition of magnesium-containing preparations (magnesium…

Magnetic and Electromagnetic EffectsAdvanced Cellulose Research Studies

Novel lactoferrin-conjugated amphiphilic poly(aminoethyl ethylene phosphate)/poly(L-lactide) copolymer nanobubbles for tumor-targeting ultrasonic imaging

Luo BH、Liang HG、Zhang SW 等 9 位作者2015-09-01DOAJ (DOAJ: Directory of Open Access Journals)

Binhua Luo,1,2,* Huageng Liang,3,* Shengwei Zhang,3 Xiaojuan Qin,4 Xuhan Liu,1 Wei Liu,1,5 Fuqing Zeng,3 Yun Wu,6 Xiangliang Yang1,51College of Life Science and Technology, Huazhong University of Science and Technology, Wuhan, 2College of Pharmacy, Hubei University of Science and Technology, Xianning, 3Department of U…

Nanoparticle-Based Drug DeliveryNanoplatforms for cancer theranosticsUltrasound and Hyperthermia Applications

Effects of Y content on microstructures and mechanical properties of as-cast Mg-Zn-Nd

Tijun Chen、Zhang Da-hua、Wei Wang2015-09-01DOAJ (DOAJ: Directory of Open Access Journals)

The effects of Y addition amount on the microstructures and mechanical properties of as-cast Mg-Zn-Nd alloy have been investigated by using an optical microscope, a scanning electron microscope, back-scattered electronic imaging technique, an X-ray diffractometer, a differential thermal analyzer and a universal testin…

Magnesium Alloys: Properties and ApplicationsAluminum Alloys Composites PropertiesMetallurgical and Alloy Processes

Cavitation erosion in UHMWPE: a three-dimensional FEM study

Brunda Kattekola、Marc Fivel、Franc, Jean-Pierre2015-09-01HAL (Le Centre pour la Communication Scientifique Directe)

International audience

Nuclear Materials and PropertiesHigh-Velocity Impact and Material BehaviorErosion and Abrasive Machining

Experimental Study of the Micro-Arc Oxide Coating Effect on Thermal Properties of an Aluminium Alloy Piston Head

N. Yu. Dudareva、O.P. Dombrovskiy、R. V. Kalschikov 等 4 位作者2015-09-01DOAJ (DOAJ: Directory of Open Access Journals)

The purpose of the present study is to investigate the influence of differently sized microarc oxidation coatings, applied to the bottom of pistons made with an Al-12Si-Mg-Cu-Ni alloy, on its thermal properties by simulating the operation of a real engine. This study is based on the premise that the alumina coating th…

Tribology and Lubrication EngineeringEngineering Applied ResearchMaterial Properties and Applications

Magnetic resonance in a singlet-triplet Josephson junction

Lars Elster、Manuel Houzet、Julia S. Meyer2015-09-01HAL (Le Centre pour la Communication Scientifique Directe)

We study a singlet-triplet Josephson junction between a conventional s-wave superconductor and an unconventional p$_{\rm x}$-wave superconductor. The Andreev spectrum of the junction yields a spontaneous magnetization in equilibrium. This allows manipulating the occupation of the Andreev levels using an ac Zeeman fiel…

Iron-based superconductors researchPhysics of Superconductivity and MagnetismTopological Materials and Phenomena