Materials Literature
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Rigorous theory describing the physics of the eddy current generation exists only for ferromagnetic materials with rectangular hysteresis loop. In such materials, the eddy current is evenly distributed at the surface layer of the iron tape. The thickness of this layer during the remagnetizing process constantly increa…
Abstract : Compression tests have been performed on TiAl3 at strain rates from 0.00003-500/s. All tests were done at room temperature and were designed to investigate the stress-strain response of the material. In addition to these tests elastic constants were calculated from ultrasound measurements. The results were…
The compensated-current-differential relay uses the same restraining current as a conventional relay, but the differential current is modified to compensate for the effects of the exciting current. Delta winding current is necessary to obtain the modified differential current for a $Y-\Delta$ transformer. This paper d…
Chemical composition, metallurgical photos, macro- and micro-hardness values, macrostructures, inclusions, denseness, mechanical properties are experimentally investigated on the grade B cast steel for the bogie frames of Chinese railway rolling wagons. Results reveal that the material consists of ferrites and pearlit…
The ITER international project design teams are working to produce an engineering design in preparation for construction of the International Thermonuclear Experimental Reactor (ITER) tokamak. During the course of this work, questions have arisen in regard to safety barriers and equipment reliability as important face…
University of Minnesota Ph.D. dissertation. June 2010. Major: Mechanical Engineering Advisor: Francis A. Kulacki. 1 computer file (PDF); xix, 192 pages, appendices A-C.
Significance and UseThe laboratory fatigue life determined by this standard for beam specimens have been used to estimate the fatigue life of asphalt concrete pavement layers under repeated traffic loading. Although the field performance of asphalt concre
The lack of homogeneity in a glass is characterised by the occurrence of layers of different chemical compositions and densities. When starting materials relevant for the synthesis of soda-lime-silica glasses are melted in a crucible, silica- and calcium-enrichments are observed at the top and at the bottom of the mel…
The effects of acid and heating treatment on the structure of sepiolite and its adsorption capacities for Pb2+ and Cd2+ were investigated using X-ray powder diffraction, infrared spectroscopy, surface area analyses and batch sorption experiments in this paper. The results showed that the BET surface area of the sepiol…
Idaho National Laboratory (INL) is tasked with the development of reactor physics analysis capability of the Next Generation Nuclear Power (NGNP) project. In order to examine INL’s current prismatic reactor deterministic analysis tools, the project is conducting a benchmark exercise based on modeling the High Temperat…
1 online resource (PDF, 45 pages, includes illustrations)
"17th International Conference on Composite Materials." Plastics, Rubber and Composites, 39(3-5), pp. 109–110
PART I: FROM SEQUENCE TO CRYSTALS 1. Introduction: Preparing Your Study 2. Protein Structure 3. Protein Crystallization 4. Proteins for Crystallography PART II: FUNDAMENTALS OF PROTEIN CRYSTALLOGRAPHY 5. Crystal Geometry 6. Diffraction Basics 7. Statistics and Probability in Crystallography PART III: FROM CRYSTALS TO…
The Sustainability Additives group of Arkema Inc is now offering Biostrength® 700, a melt strength enhancer for use with polylactic acid (PLA), in the USA. The additive was initially launched in Europe [ ADPO , January 2008].
Researchers at Rensselaer Polytechnic Institute in the USA have recently published three new studies that suggest that graphene should be the nanomaterial of choice to strengthen composite materials used in applications such as wind turbines and aircraft wings.
For many applications such as advanced energy storage systems, chemical sensors or electrochromic devices fast ionic conduction plays an important role. In many cases, see e.g., Refs. [1-3], nanocrystalline ceramics with crystallite diameters smaller than 50 nm show an enhanced ion conductivity compared to their coars…
Ferroalloys are added during secondary steelmaking to impart special properties to the steel. Depending upon the ferroalloy quality this may lead to the formation of inclusions. The present knowledge lacks in the exact content of the individual elements and the nature of inclusions dispersed in the ferroalloys. In ord…
Due to the costs associated with processing, materials, and the inherent difficulties in applying durable flame retardant and/or antimicrobial finishes, alternatives to conventional finishing methodologies are one of the focal points in today’s textile research and industry. We, therefore, propose a new nano-finishing…
Y 0.75− x Gd x Al 0.10 BO 3 :Eu 3+ 0.10 , 0.05 R 3+ ( R = Sc, Bi) (0.00 ≤ x ≤ 0.45) powder samples are prepared by solid-state reaction and their luminescence properties are investigated. With the replacement of Y 3+ ions by Sc 3+ (or Bi 3+ ) and Gd 3+ ions in (Y,Al)BO 3 :Eu, the intensities of emission at 254 and 147…
Superfill (bottom-up) phenomena relevant for Damascene processing typically rely on the time-dependent interplay of various organic and inorganic additives with both the metallic copper surface and with cuprous ions as intermediates of the copper electro-reduction in the near-surface regime. In-situ STM, in-situ SXRD…