Showing papers in "Progress in Materials Science in 2012"

TL;DR: The most important members of the hexaferrite family are shown below, where Me = a small 2+ ion such as cobalt, nickel, or zinc, and Ba can be substituted by Sr: • M-type ferrites, such as BaFe12O19 (BaM or barium ferrite), SrFe 12O19(SrM or strontium ferite), and cobalt-titanium substituted M ferrite, Sr- or BaFe 12−2xCoxTixO19, or CoTiM as discussed by the authors.

TL;DR: A detailed review on the advances of chemical functionalization of graphene is presented in this article, where the surface modification of graphene oxide followed by reduction has been carried out to obtain functionalized graphene.

TL;DR: In this paper, the authors focus on the important role and challenges of high-k polymer-matrix composites (PMC) in new technologies and discuss potential applications of highk PMC.

TL;DR: In this article, a comprehensive review of the current state of the art of the study of elastic properties, the establishments of correlations between elastic moduli and properties/features, and the elastic models and elastic perspectives of metallic glasses is presented.

TL;DR: In this paper, a review of deformation twinning in nanocrystalline materials is presented, including deformation twins observed by molecular dynamics simulations and experiments, twinning mechanisms, factors affecting the twinning, analytical models on the nucleation and growth of deformations, interactions between twins and dislocations, and the effects of twins on mechanical and other properties.

TL;DR: In this paper, the authors focus on recent progress in advanced nanostructured materials (NSMs) as building blocks for EEDs (such as fuel cells, supercapacitors, and Li-ion batteries) based on investigations at the 0D, 1D, 2D and 3D NSMs.

TL;DR: In this article, the challenges and opportunities in making NiTi parts for biomedical applications such as implants are discussed and new opportunities in additive manufacturing processes such as laser and electron beam techniques towards making 3D components from NiTi are described.

TL;DR: In this paper, the structure and properties of bearing steels prior to the point of service are first assessed and described in the context of steelmaking, manufacturing and engineering requirements, followed by a thorough critique of the damage mechanisms that operate during service and in accelerated tests.

TL;DR: In this article, the authors present a review of the factors that need to be considered when selecting and processing polymers and the research that has been carried out to date, focussing on laser sintering, which is one of the most widely used additive manufacturing approaches.

TL;DR: In this paper, the authors conduct an analysis connecting the structure (nano, micro, meso, and macro) to the mechanical properties important for a specific function, and address how biological systems respond and adapt to external mechanical stimuli.

TL;DR: The electrocaloric effect (EC) is an adiabatic and reversible temperature change that occurs in a polar material upon application of an electric field as mentioned in this paper, and the current intensive research in EC materials has been driven by the quest for new energy efficient and environmentally friendly cooling technologies.

TL;DR: In this paper, a comprehensive review on the advanced synthesis of materials for intermediate-temperature SOFCs and their impact on fuel cell performance is provided, and the effect of different processes on the electrochemical performance of the materials is evaluated and optimization of the synthesis processes is discussed and some emerging synthetic techniques are also briefly presented.

TL;DR: In this paper, the thermal and viscosity properties of tellurite and germanate glass for fiber fabrication and compare the linear loss for near and mid-IR device engineering.

TL;DR: In this paper, an integrated modeling framework for friction stir welding of 6xxx series Al alloys has been established and applied to the 6005A and 6056 alloys.

TL;DR: An extensive overview of the research on PEK-based nanocomposites with a special emphasis on both carbonbased nanofillers, such as nanotubes or nanofibers, and inorganic nanoparticles is provided in this article.

TL;DR: In this paper, the properties of clean and defected quasi-one-dimensional ZnO nanostructures, including hexagonal and triangular nanowires, nanotubes and facetted nanotsubes are reviewed.

TL;DR: In this paper, the authors highlight the most important scientific articles, expert opinions by regulatory authorities, and patent literature from Europe and the USA for the time period between 2000 and 2010 concerning the use of nanotechnology in dermatological, dental, and haircare products intended for improving the appearance of the user.

TL;DR: In this article, a review of the recent advances in theoretical understanding and predictions of the mechanical properties (including elastic (reversible) deformations, which are related to compressibility, as well as the effects of plastic (irreversible)-deformation, which is related to hardness of materials) as obtained by means of ab initio calculations for a broad family of metal diborides MB 2 (AlB 2 -like dibors and the recently discovered dibborides of heavy 4 d and 5 d metals with “puckered” boron

TL;DR: In this article, the authors reviewed the high pressure behavior of some molybdate and tungstate materials, which comprises a large class of inorganic compounds that exhibit interesting physical properties and have technological applications in different fields.

TL;DR: In this article, a brief introduction to the theory and the dynamics of dewetting of thin polymer films is given, and a review of strategies for the dewetting of thin polymers is presented.

TL;DR: In this article, a review summarizes recent developments that significantly advance our ability to represent a critical part of the grain boundary space: the misorientation information, which has recently enjoyed the development of an intuitive and rigorous framework for grain boundary representation.

TL;DR: In this article, an overview of methods to reduce efficiently the Rayleigh scattering loss via the fictive temperature in silica-based optical fibers is given. But this paper does not consider the effect of the fabrication process.

TL;DR: In this paper, a new characterization method, called the macroscopic composition gradient (MCG) method, is proposed to investigate the phase transformations near the phase boundaries, such as the coherent and incoherent precipitation boundaries, the order/disorder phase transition and the morphological change at the spinodal line.