Materials Literature
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A second form of the modified nineteen-tubular powder (with one hole in the centre and the remaining 18 holes in 3 rings, each having 6 holes) has been studied. The form function for such powder (called the modified nineteen-tubular powder II) has been derived. Tables for various constants occurring in the treatment h…
Molecular Dynamics (MD) simulations of uniaxial as well as for biaxial tension at nano-scale was carried out for different strain rates and at different temperatures on Cu50Al50 alloy specimen having a void in order to investigate the nature of deformation as well as fracture near the void. It was seen that failure oc…
Bu çalışmada, farklı bileşimlere sahip ZA alaşımları spex tipi öğütücüde mekanik alaşımlama (MA) ile üretilmiştir. MA işlemlerinde, 10:1 bilya toz oranı (% ağırlık) ve 5-8 saat MA süreleri kullanılmıştır. Mekanik alaşımlanmış tozlar 320 °C sıcaklıkta sıcak şekillendirildikten sonra, aynı sıcaklıkta 2 saat sürede sinte…
An exact analytical solutions of the equations relating to the internals ballistics of guns and rockets in the non-isothermal model using tubular propellants which burns according to the pressure-index law has been obtained. An approximate solution to a pre-assigned level of accuracy has been presented.
In this paper the stability of clathrate compounds of benzene, thiophene, pyrole and pyridine has been studied under conditions of vacuum, heating and gringing by spectrum analysis.
\n A propriedade volume do fio texturizado é importante por questões estéticas e funcionais. O volume do fio pode garantir que um produto tenha bom desempenho mecânico tanto na produção dos artigos (como na tecelagem, malharia e acabamento) quanto para as aplicações finais dos produtos (produtos com alto fator de cobe…
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Los polimeros supramoleculares son aquellos en los que las unidades monomericas se encuentran unidas a traves de interacciones no covalentes reversibles. Un caso especial de polimero supramolecular es el de los geles supramoleculares, donde el gelador autoensambla de forma ordenada en una dimension, produciendo estruc…
The detrimental effects of plastic bags on the environment are well known. It is now appropriate to use alternative materials for manufacturing bags and in packaging industries. While biodegradable plastics research has gained steam in the first world countries, countries like India are still dependent upon cheaper al…
This chapter contains sections titled: Introduction Nucleation and Growth, and Control of Particle Size Distribution Preparation of Nanosuspensions by Bottom-Up Processes Preparation of Nanosuspensions Using the Bottom-Down Process References
This chapter contains sections titled: Introduction Preparation of Suspensions Condensation Methods: Nucleation and Growth Dispersion Methods Bulk Properties of Suspensions References
This report describes investigations into applying the incremental slitting (a.k.a. crack compliance) method for measuring residual stress in the environment of a hot cell for future measurements of low enriched uranium (LEU) fuel plates coming out of a reactor. Results are reported for exploratory tests done at Los A…
Background: Transcranial ultrasound irradiation can enhance the effect of a thrombolytic-agent tissue plasminogen activator (tPA), depending on the intensity. Because of the ultrasound’s interference, its intensity distribution near a transducer is not uniform, i.e., there are low-intensity cold spots and high-intensi…
Los hidrogeles son una clase de materiales capaces de retener una gran cantidad de agua como consecuencia de su arquitectura tridimensional, formada por estructuras polimericas entrecruzadas. Debido al alto contenido en agua de estos materiales, que los hace similares a los tejidos naturales, su permeabilidad, porosid…
This analytical work deals with prediction of the stresses developed in a Functionally Graded Timoshenko Beam that has been reinforced with Carbon Nanotubes (CNTs), which is subjected to thermal and mechanical loads. High temperatures have been applied to the upper and lower surfaces of the beam with a certain tempera…
The problems of a clamped spherical cap with a built-in-edge subjected to a rotationally symmetric pressure has been considered. The material of the shell is rigid -perfectly plastic and obeys the generalized square yield condition. The carrying capacity of the cap has been determined when (i)a uniform pressure is app…
As the aspect ratio of a nanomaterial approaches the molecular scale, redox proteins can establish a close and direct association with the material and effectively decrease the electron tunneling distance. Recent research has been directed toward building hierarchically structured materials that incorporate three leve…
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Scanning electrochemical microscopy (SECM) integrates a number of previously disconnected analytical techniques into one powerful characterization tool, the advancement of which can be attributed largely to the development of ultramicroelectrode (UME) technology. For an enzymatic biological fuel cell (BFC) application…
This chapter provides examples of various biocatalysts, nanomaterials, and fabrication processes that yield functional bioelectrodes for anodic or cathodic processes. Most of the descriptions of electrode materials in the chapter focus on the fabrication of electrode architectures suitable for direct electron transfer…