Materials Literature
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Understanding the interactions between solvent molecules and cellulose at a molecular level is still not fully achieved in cellulose/N,N-dimethylacetamide (DMAc)/LiCl system. In this paper, cellobiose was used as the model compound of cellulose to investigate the interactions in cellulose/DMAc/LiCl solution by using F…
Despite 20 years of progress in synthesizing thiolated gold nanoclusters (Au NCs), the knowledge of their growth mechanism still lags behind. Herein the detailed process from reduction of Au(I)-thiolate complex precursors to the eventual evolution of and focusing to the atomically precise Au25 NCs was revealed for the…
Data collected from both artificially and field (naturally) weathered biochar suggest that a potentially significant pathway of biochar disappearance is through physical breakdown of the biochar structure. Via scanning electron microscopy, we characterized this physical weathering that increased the number of structur…
In the last 30 years we have assisted to a massive advance of nanomaterials in material science. Nanomaterials and structures, in addition to their small size, have properties that differ from those of larger bulk materials, making them ideal for a host of novel applications. The spread of nanotechnology in the last y…
A series of excellent poly(vinyl alcohol) (PVA)/polymers blend hydrogel were reviewed using different crosslinking types to obtain proper polymeric dressing materials, which have satisfied biocompatibility and sufficient mechanical properties. The importance of biodegradable–biocompatible synthetic polymers such as PV…
Protein adsorption is considered to be the most important factor of the interaction between polymeric biomaterials and body fluids or tissues. Water-mediated hydrophobic and hydration forces as well as electrostatic interactions are believed to be the major factors of protein adsorption. A systematic analysis of vario…
TCC (graduação) - Universidade Federal de Santa Catarina. Campus Joinville. Engenharia Aeroespacial.
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The aim of this work is to investigate the extensibility of wood at the ultrastructural scale in the presence of parametric uncertainty, by means of a multi-scale finite element analysis. In particular, our objective is to determine a set of micromechanical parameters which have the largest influence on the ultimate s…
The change in structure of SUS316FR stainless steel caused by heat-treatment after cold working was investigated on the basis of Vickers hardness test, X-ray diffraction, and SEM observation. At the heat-treatment temperature below 300℃, Vickers hardness, HV, increased slightly, and half-value width of X-ray diffracti…
Magnetic resonance imaging (MRI) is one of the most powerful non-invasive techniques for clinical diagnostic, mainly due to its high anatomical resolution and its speed. MRI relies upon the perturbation by a radio frequency of the relaxation times of water protons, along the longitudinal (T1) and transverse (T2) compo…
As exigências e a competitividade atual levam, cada vez mais, à busca por soluções mais baratas e eficazes, para qualquer segmento de mercado. Com isso, o ramo aeronáutico tem procurado por ferramentas que possibilitem o mais alto rendimento possível aliado à redução de custos. Este trabalho de furação em placas de ti…
A new methodology for mathematical modeling of transient thermal processes in structural components is proposed. It is based on the joint application of the structural method, the Bubnov-Galerkin method and S-functions to solving heat conduction problems with unsteady boundary conditions of the third kind. The analyti…
As exigências e a competitividade atual levam, cada vez mais, à busca por soluções mais baratas e eficazes, para qualquer segmento de mercado. Com isso, o ramo aeronáutico tem procurado por ferramentas que possibilitem o mais alto rendimento possível aliado à redução de custos. Este trabalho de furação em placas de ti…
International audience
To understand the factors which affect impact damage on composite structures, particularly the effects of impact position and ribs. In this paper, a finite element model (FEM) of low-velocity impact damage on the composite structure was established via the nonlinear finite element method, combined with the user-define…
International audience
To understand the factors which affect impact damage on composite structures, particularly the effects of impact position and ribs. In this paper, a finite element model (FEM) of low-velocity impact damage on the composite structure was established via the nonlinear finite element method, combined with the user-define…
To understand the factors which affect impact damage on composite structures, particularly the effects of impact position and ribs. In this paper, a finite element model (FEM) of low-velocity impact damage on the composite structure was established via the nonlinear finite element method, combined with the user-define…
Established in 1964, the IUCN Red List of Threatened Species has evolved to become the world’s most comprehensive information source on the global conservation status of animal, fungi and plant species.