Materials Literature
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ABSTRAK ANALISIS STRUKTUR DAN KOMPOSISI FASE PADUAN U-7%Mo-x%Zr (x = 1, 2, 3% berat) HASIL PROSES PELEBURAN. Telah dilakukan karakterisasi ingot paduan U-7%Mo-x%Zr hasil proses peleburan menggunakan tungku busur listrik dalam rangka pengembangan bahan bakar nuklir berbasis paduan uranium molibdenum. Proses peleburan d…
The aim of this study was to investigate the rate of water vapor permeability (WVP) and moisture sorption of starch-montmorillonite (MMT) nanocomposite films. The nanocomposite films were prepared using the casting method andglycerol was used as a plasticizer. The effect of glycerol concentration on WVP of the films w…
First Human Capital Development Workshop for Nanotechnologies and Nanosciences Risk Assessment, Pretoria, CSIR, Knowledge Commons, 13 August 2013
Magnetic fusion energy (MFE) research requires ultrahigh-vacuum conditions, primarily to reduce plasma contamination by impurities. For radiofrequency (RF)-heated plasmas, a great benefit may accrue from a nonconducting vacuum vessel, allowing external RF antennas to avoid the complications and cost of internal antenn…
It is difficult to determine the stability of linear systems with interval delays (LID systems) because the roots of the characteristic polynomials of the systems are continuous and vary in a complex plane with the delay. To solve the problem, this paper develops a stability test of LID systems by resorting to 2-D hyb…
Very high temperature reactors (VHTRs) and high temperature gas-cooled reactors (HTGRs) can develop extreme temperatures in excess of 900°C that make them theoretically very efficient, potentially in the range of 45% to 50%. The high temperatures, however, can also lead to a corresponding increase in fission product t…
Operational requirements and research considerations make a high-temperature, toroidally continuous outer divertor an important upgrade to the Alcator C-Mod tokamak. Leading edge melting of tiles, non-uniform heat loads, large electromagnetic forces, and localized impurity sources limit the performance of bulk plasmas…
Graphene, a two-dimensional sheet of carbon atoms, was experimentally discovered in 2004.Since then, graphene research has progressed exponentially from basic science to applications.NTT aims to make a large impact on the information society through the materials science of graphene and is therefore promoting a wide r…
This work describes an attempt has been made to study the effect of temperature on fatigue behavior of polyester reinforced with woven of fiber glass manufactured as a laminate [CSM]. Fatigue tests were carried out at constant stress amplitude at different temperature environment. All fatigue tests were employed at st…
C12A7 single crystals were grown by CZ method in 2% oxygen containing N2 atmosphere. C12A7: e- single crystals were gotten by metal reduction method. Nyquist diagrams for C12A7: e- single crystals under different temperatures in 3.5 wt% NaCl solution were tested. Results show that electrical conductivity of C12A7: e-…
A large decrease in the side effects of a drug can be obtained if it is efficiently delivered in a timely manner and in the needed location only. By combining therapeutic and diagnostic (theranostic) functionalities with targeting capabilities and large surface areas, nanoparticles provide an ideal vehicle for persona…
German speciality chemicals company Lanxess Ag has developed a nitrile rubber (NBR) with a high acrylonitrile (ACN) content which, it says, is ideal for use in the oil and gas industry because of its outstanding resistance to non-polar media.
The efficiency concept becomes present at all levels of electric motors design, manufacturing and repairing activity. New legislations including Energy Independence Security Act and similar will effectively impose a new design constraint: efficiency of induction machines (IM). Various motor management programs promote…
Extended abstract of a paper presented at Microscopy and Microanalysis 2013 in Indianapolis, Indiana, USA, August 4 – August 8, 2013.
Abstract Coatings and other surface modifications are used for a variety of functional, economic, and aesthetic purposes. Two major applications of thermal spray coatings are for wear resistance and corrosion resistance. This article discusses thermal (surface hardening) and thermochemical (carburizing, nitriding, and…
Abstract Invited for this month′s cover is the group of Prof. Michael Mehring. The cover picture shows the degradation of the model dye rhodamine B (RhB) in water using β‐Bi2O3 nanoparticles as photocatalyst, which was prepared from pre‐organized bismuth oxido clusters. For more details, see the Full Paper on p. 146 f…
Abstract : For the past decade, the U.S. Army has invested a considerable amount of effort into assessing the suitability of plain-weave S2-glass fabric/SC-15 epoxy composites to replace conventional, monolithic materials (e.g., metals) in Army structural and ballistic applications. One performance-limiting material r…
Abstract : This investigation compared four conventional vehicle armour materials for performance under blast loading. The parameters measured were resistance to deformation, mechanical toughness and metallurgical microstructure. It was found that two of these, the M steel and A steel, showed the least deformation and…
Abstract This article focuses on noble and neutral coatings and the requirements necessary to achieve successful industrial applications. These include corrosion and wear control and repair applications in processing and chemical industries, and valve and downhole drilling applications in the petrochemical industry. T…
Abstract Flame hardening is a heat treating process in which a thin surface shell of a steel part is heated rapidly to a temperature above the critical temperatures of the steel. The versatility of flame-hardening equipment and the wide range of heating conditions obtainable with gas burners, often permit flame harden…