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26 risultati trovati.

Tipi di risorsa: Libro cartaceo Libro elettronico Articolo Rivista Tesi Capitolo
Ricerca accademica
Analysis of the Microstructure and Mechanical Properties during Inertia Friction Welding of the Near-α TA19 Titanium Alloy
Articolo
Articolo
Yanquan Wu et al · KeAi Communications Co., Ltd · 2020 · ISSN 1000-9345
Abstract The current research of titanium alloy on friction welding process in the field of aero-engines mainly focuses on the linear friction welding. Compared to the linear friction welding, inertial friction welding o...
LCC LCC:Ocean engineering; TENDOk1lY2hhbmljYWwgZW5naW5lZXJpbmcgYW5kIG1hY2hpbmVyeQ~~Idioma Inglés
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Open Access
Integrated Modelling of Microstructure Evolution and Mechanical Properties Prediction for Q&P Hot Stamping Process of Ultra-High Strength Steel
Articolo
Articolo
Yang Chen et al · KeAi Communications Co., Ltd · 2020 · ISSN 1000-9345
Abstract High strength steel products with good ductility can be produced via Q&P hot stamping process, while the phase transformation of the process is more complicated than common hot stamping since two-step quenching ...
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Open Access
Effect of Trace Addition of Ceramic on Microstructure Development and Mechanical Properties of Selective Laser Melted AlSi10Mg Alloy
Articolo
Articolo
Yuxin Li et al · KeAi Communications Co., Ltd · 2020 · ISSN 1000-9345
Abstract Selective laser melting (SLM) is an emerging additive manufacturing technology for fabricating aluminum alloys and aluminum matrix composites. Nevertheless, it remains unclear how to improve the properties of la...
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Open Access
Influence of polyfunctional nanomodificators on the microstructure of concrete composites of high strength and density
Articolo
Articolo
O. V. Sumariuk et al · Vasyl Stefanyk Carpathian National University · 2020 · ISSN 1729-4428
The patterns of formation of highly functional concretes structure, which consist in formation of an ordered, low-porous, fine-crystalline microstructure of cementitious matrix, in particular due to pozzolanic reactions ...
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Open Access
Three-dimensional spatiotemporal tracking of nano-objects diffusing in water-filled optofluidic microstructured fiber
Articolo
Articolo
Jiang Shiqi et al · Wiley · 2020 · ISSN 2192-8606
Three-dimensional (3D) tracking of nano-objects represents a novel pathway for understanding dynamic nanoscale processes within bioanalytics and life science. Here we demonstrate 3D tracking of diffusing 100 nm gold nan...
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Open Access
Hot Extrusion Processing of Al–Li Alloy Profiles and Related Issues: A Review
Articolo
Articolo
Yongxiao Wang et al · KeAi Communications Co., Ltd · 2020 · ISSN 1000-9345
Abstract Al–Li alloy is a new structural material with the advantages of lightweight and high strength. The extrusion profiles of Al–Li alloy are widely used in aerospace and other fields, which can significantly red...
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Open Access
Blade Segment with a 3D Lattice of Diamond Grits Fabricated via an Additive Manufacturing Process
Articolo
Articolo
Bin Chen et al · KeAi Communications Co., Ltd · 2020 · ISSN 1000-9345
Abstract Diamond tools with orderly arrangements of diamond grits have drawn considerable attention in the machining field owing to their outstanding advantages of high sharpness and long service life. This diamond super...
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Open Access
Development and characterisation of bilayered periosteum-inspired composite membranes based on sodium alginate-hydroxyapatite nanoparticles
Articolo
Articolo
D’Elía, Noelia L. et al · Academic Press Inc Elsevier Science · 2020 · ISSN 0021-9797
Background and aim Membranes for guided bone regeneration should have a mechanical structure and a chemical composition suitable for mimicking biological structures. In this work, we pursue the development of periosteum-...
Idioma Inglés
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Open Access
Dynamic thermal camouflage via a liquid-crystal-based radiative metasurface
Articolo
Articolo
Liu Yida et al · Wiley · 2020 · ISSN 2192-8614
Thermal camouflage, which is used to conceal objects in the infrared vision for confrontation with infrared detection in civilian or military applications, has garnered increasing attraction and interest recently. Compar...
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Open Access
Effect of the microsegregation on martensitic and bainitic reactions in a high carbon-high silicon cast steel
Articolo
Articolo
Basso, Alejandro Daniel et al · Molecular Diversity Preservation International · 2020 · ISSN 2075-4701
Casting processes show some weaknesses. A particular problem is presented when the workpiece needs to be subjected to heat treatments to achieve a desired microstructure. This problem arises from the microsegregation phe...
Idioma Inglés
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Open Access
Effects of different relative humidities on flax fibers prior to manufacturing their composites based on the shear response
Articolo
Articolo
Moudood, Abdul et al · Hindawi Publishing Corporation · 2020 · ISSN 1687-8442
The moisture absorption behavior of flax fiber-reinforced epoxy composites is deliberated to be a serious issue. This property restricts their usage as outdoor engineering structures. Therefore, this study provides an in...
Idioma Inglés
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Open Access
Elastic distortion determining conduction in BiFeO3phase boundaries
Articolo
Articolo
Holsgrove, Kristina M. et al · Royal Society of Chemistry · 2020 · ISSN 2046-2069
It is now well-established that boundaries separating tetragonal-like (T) and rhombohedral-like (R) phases in BiFeO3 thin films can show enhanced electrical conductivity. However, the origin of this conductivity remains ...
Idioma Inglés
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Open Access
End-to-end nanophotonic inverse design for imaging and polarimetry
Articolo
Articolo
Lin Zin et al · Wiley · 2020 · ISSN 2192-8606
By codesigning a metaoptical front end in conjunction with an image-processing back end, we demonstrate noise sensitivity and compactness substantially superior to either an optics-only or a computation-only approach, il...
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Open Access
Fiber Traction Printing: A 3D Printing Method of Continuous Fiber Reinforced Metal Matrix Composite
Articolo
Articolo
Xin Wang et al · KeAi Communications Co., Ltd · 2020 · ISSN 1000-9345
Abstract A novel metal matrix composite freeform fabrication approach, fiber traction printing (FTP), is demonstrated through controlling the wetting behavior between fibers and the matrix. This process utilizes the fibe...
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Open Access
Hydrogen Sorption Properties, Thermal Stability and Kinetics of Hydrogen Desorption From the Hydride Phase of The MgH2 of a Mechanical Alloys of Magnesium with Ti, Ni and Y
Articolo
Articolo
O. G. Ershova et al · Vasyl Stefanyk Carpathian National University · 2020 · ISSN 1729-4428
The mechanical alloys-composite MАs (Mg +10 % wt.Ti + 5 % wt.Y and Mg +10 % wt.Ni + 5 % wt.Y) were synthesized. The phase content, microstructure, the thermal stability, kinetics of hydrogen desorption from the MgH2 hyd...
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Open Access
Hydrogen generation from ball milled Mg alloy waste by hydrolysis reaction
Articolo
Articolo
Al Bacha, S. et al · Elsevier Science · 2020 · ISSN 0378-7753
Hydrolysis is an effective method for generating hydrogen from Mg alloy waste provided from the sacrificial anode industry. Mg alloy was ball milled under H2 to enhance its hydrolysis reactivity. The effect of ball milli...
Idioma Inglés
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Open Access
Influence of the pH and Salt Concentrations on Physicochemical Properties of Pork Myofibrillar Protein Gels Added with Cornstarch
Articolo
Articolo
Chang Hoon Lee et al · Springer Nature · 2020 · ISSN 2636-0772
Abstract The aim of this study was to evaluate quality characteristics of pork myofibrillar protein (MP) added with cornstarch as affected by different pH values and salt cocnentrations. MP mixtures were prepared with th...
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Open Access
Multiphysical sensing of light, sound and microwave in a microcavity Brillouin laser
Articolo
Articolo
Yang Jianfan et al · Wiley · 2020 · ISSN 2192-8606
Light, sound, and microwave are important tools for many interdisciplinary applications in a multi-physical environment, and they usually are inefficient to be detected simultaneously in the same physical platform. Howev...
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Open Access
Numerical Investigation on Fracture Initiation Properties of Interface Crack in Dissimilar Steel Welded Joints
Articolo
Articolo
Longfei Zhao et al · KeAi Communications Co., Ltd · 2020 · ISSN 1000-9345
Abstract Fracture toughness property is of significant importance when evaluating structural safety. The current research of fracture toughness mainly focused on crack in homogeneous material and experimental results. Wh...
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Open Access
Simultaneous field enhancement and loss inhibition based on surface plasmon polariton mode hybridization
Articolo
Articolo
Liu Xiaoyi et al · Wiley · 2020 · ISSN 2192-8606
In common plasmonic configurations, energy loss and field enhancement are mutually restricted. In a vast majority of cases, high confinement goes together with high loss, which is a serious limitation for some applicatio...
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Open Access
Solubility of carbon, manganese and silicon in γ-iron of Fe-Mn-Si-C alloys
Articolo
Articolo
N. Y. Filonenko et al · Vasyl Stefanyk Carpathian National University · 2020 · ISSN 1729-4428
The study was performed on alloys with a carbon content of 0,37-0,57 % (wt.), silicon 0,23-0,29 % (wt.), manganese 0,7-0,86 % (wt.), the rest– iron. To determine the phase composition of alloys used microstructural, mi...
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Open Access
Structural state and thermodynamic stability of Fe-B-C alloys
Articolo
Articolo
N. Yu. Filonenko et al · Vasyl Stefanyk Carpathian National University · 2020 · ISSN 1729-4428
The studies were performed for the specimens of Fe-B-C alloys with boron content of 0.005–7.0 wt.% and carbon content of 0.4–5.5 wt.%, the rest was iron. From the data of microstructure analysis, X-ray structural a...
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Open Access
Study on modification mechanism of workability and mechanical properties for graphene oxide-reinforced cement composite
Articolo
Articolo
Yuxia Suo et al · SAGE Publishing · 2020 · ISSN 1847-9804
Graphene oxide/cement composite was prepared using a graphene oxide aqueous solution. The workability and mechanical properties of graphene oxide/cement composite with different concentrations for graphene oxide and the ...
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Open Access
Thin sections techniques in fossil remains of mammals impregnated with asphalt
Libro
Libro
Garrone, Mariana Carolina et al · Palaeontological Virtual Congress · 2020
Paleohistological studies of vertebrates are based on the analysis and interpretation of bone microstructure of petrographic thin sections. These sections are mainly performed following standard techniques; however, the ...
Idioma Inglés
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Open Access
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