Materials Literature
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Tuning Optical Properties of Two-Dimensional Ordered Arrays of Silica/Gold and Silver Core/Shell Structured Nanoparticles in Near-Infrared Region, Sugawa, Kosuke, Sakai, Tatsuya, Tanaka, Daido, Akiyama, Tsuyoshi
In this investigation, the characteristics of dynamic recrystallization (DRX) in five Zr-alloys, namely, commercial pure zirconium (CP-Zr), Zircaloy-2 (Zr–Sn), Zr-2.5Nb (Zr–Nb), Zr-2.5Nb-0.5Cu (Zr–Nb-Cu), and Zr-1Nb-1Sn-0.1Fe (Zr–Nb–Sn–Fe), have been examined. For this purpose, processing maps were constructed using s…
Comparison of Chemical Vapor Sensing Properties between Graphene and Carbon Nanotubes, Park, Hyung Goo, Hwang, Sukju, Lim, Juhwan, Kim, Duck-Hwan, Song, In Sang, Kim, Jae Hun, Woo, Deok Ha, Lee, Seok, Jun, Seong Chan
Abstract The development of surrogate headforms with similar dimensions and weight to that of a human head has allowed researchers to collect dynamic impact response data for impact reconstructions and injury assessment. These headforms are relied upon to deliver accurate and repeatable dynamic impact response data fo…
We report the growth of single-walled carbon nanotubes (SWNTs) over metal nanoparticles which are formed by scratching sapphire surface with metal wires. The chemical vapor deposition over sapphire substrate scratched with Fe and Co metal wires gives horizontally aligned SWNTs, while no nanotube growth is observed for…
In an effort to better understand the role of second phase particles (SPPs) in the hydrogen uptake of zirconium alloys, four alloys and four heat treatments for each alloy were chosen to prepare specimens with different SPPs size distributions and area fractions. The hydrogen uptake performance of these specimens was…
Recent literature has shown several papers dealing with cryogenic treatments of tool steels. Most of them see an improvement in wear resistance supposedly due to microstructural modifications that occur at cryogenic temperatures. Cryogenic treatments are supposed to modify the way secondary carbides precipitate, obtai…
Stainless steels are widely used in chemical and other industries due to their corrosion resistance. However, because of their low hardness and wear properties, their applications are limited. Many attempts have been made to increase the surface hardness of these materials by using plasma techniques. Plasma nitriding…
We demonstrate uniformly and unidirectionally distributed pretilt characteristics of a liquid crystal cell fabricated via a substrate with a scan-directional slant nanosized surface groove pattern driven through an atomic force microscopic (AFM) tip that is continuously modulating the contact force in the scanning lin…
This paper briefly reviews the history of porous materials ab initio, i.e., starting from the discovery of hydrothermal zeolites in 1756 by Axel F. Cronstedt and, some two hundred years later, of the huge deposits of sedimentary zeolites. The major stages of the subsequent route are considered in some detail, particul…
We have fabricated InGaZnO 4 (IGZO) thin-film transistors (TFTs) with olefin-type polymer gate insulators formed at 130 °C and compared the transfer characteristics of top- and bottom-gate structures. We have investigated the mechanism behind the differences in the characteristics, focusing on the influence of IGZO sp…
We firstly propose a novel resistive random access memory (RRAM) cell structure, which makes it possible to minimize the switching area and to maximize the electrical field where resistive switching occurs, resulting in the improvement of resistive switching characteristics. With excellent structural advantages, resis…
The article presents the brittleness study of boron nitride coatings deposited on cutting edges made of fine-grained cemented carbides by the pulse-plasma method (PPD). Influences of the structure (density, pores, microcracks) of coating material on the brittleness and on selected technological parameters of boron nit…
Cold pilgering of zirconium alloys containing high content of alloying elements may be a critical issue regarding surface defects or serious cracks. A better knowledge of damaging mechanisms during pilgering is a way for optimizing the cold forming routes of cladding tubes. Behavior of Zircaloy-4, M5™ (M5™ is a tradem…
A normal-incidence universal broadband visible antireflection (AR) coating design, suited for commonly used glass substrates with refractive indices ranging from 1.472 to 1.750, was simulated using a spiral search approach, and then seven different substrates were coated simultaneously in one single deposition run to…
Corrosion played a significant role in the catastrophic collapse of many aged steel bridge infrastructures around the world. Those damages and many reviewed patents intensified the importance of careful evaluation of existing structures for the feasibility of current usage and strengthening them by retrofitting some s…
Cover Photo: The cover represents magnifications of the stress‐strain curve at 9_10_5 s_1 at different strain levels. Further details can be found in the article by Pascal J. Jacques et.al. on page 385
Smithers Rapra Technology Ltd is recruiting speakers for its conference Thermoplastic Elastomers 2012 (TPE 2012), which is scheduled to be held in Berlin, Germany, on 13–14 November 2012.
Oxygen distribution in the rod cladding tubes during a Loss of Coolant Accident (LOCA) situation is known to play a key role regarding the post-quench mechanical properties of fuel rods. Analytical solutions of the diffusion equations in the complex multilayer and multiphase systems describing the cladding material tu…
Hydrothermal reactions of Ag2O, 5-(isonicotinamido) isophthalic acid as well as Eu2O3 with a drop of CH3COOH results in formation of a new 4d-4f heterometallic coordination polymer [AgEu(INAIP)2(H2O)]·(H2O) (1) (INAIP = 5-(isonicotinamido)isophthalate). X-ray single-crystal structural analysis reveals that 1 is a thre…