Materials Literature
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Ceramic tiles provide lightweight, reusable insulation for spacecraft thermal protection systems but are vulnerable to orbital debris impact damage. Because a wide range of impact conditions that may be experienced in orbit cannot be duplicated in the laboratory, design for orbital debris impact effects must include a…
The main aim of knitting and finishing sections of textile industries is to provide fault-free finished fabrics to the garment section. But the knitters and the finishers have to face a lot of problems for the fulfillment of this purpose. They have to face some problems, particularly, whose causes are mostly unknown t…
A complexidade da posicao sobre cabeca e a importância que a porosidade representa na qualidade da solda, levam a necessidade de compreender a quantidade e distribuicao dos poros no metal de solda e sua dependencia dos ângulos de trabalho e de chapa nos quais as soldas sao feitas. As variacoes de ângulos tambem influe…
By using first-principles density functional theory calculations for\n(LaNiO3)m/(SrTiO3)n superlattices, we report a systematic way of electronic\nresponse to the interface geometry. It is found that Fermi level density of\nstates of metallic nickelate layers is significantly reduced without charge\ntransfer in the vi…
The European Lead-Cooled Training Reactor (ELECTRA) has been proposed as a training reactor for fast systems within the Swedish nuclear program. It is a low-power fast reactor cooled by pure liquid lead. In this work, we propagate the uncertainties in Pu-239 transport data to uncertainties in the fuel inventory of ELE…
We study the superlattice minibands produced by the interplay between moire pattern induced by hexagonal BN substrate on graphene layer and the interlayer coupling in bilayer graphene with Bernal stacking (BLG). We compare moire miniband features in BLG, where they are affected by the interlayer asymmetry of BLG-hBN h…
By using first-principles density functional theory calculations for (LaNiO3)m/(SrTiO3)n superlattices, we report a systematic way of electronic response to the interface geometry. It is found that Fermi level density of states of metallic nickelate layers is significantly reduced without charge transfer in the vicini…
Uma melhora nas propriedades mecânicas de acos inoxidaveis martensiticos pode ser obtida atraves dos tratamentos de tempera e revenido. Os acos inoxidaveis martensiticos temperados sao, em geral, mais resistentes a corrosao que para outros tratamentos termicos. O tratamento de revenimento apesar de causar uma diminuic…
The influence of localized surface plasmons (LSPs) and surface plasmon polaritons (SPPs) on the photoluminescence (PL) spectra of core/shell type CdSe/ZnS quantum dots (QDs) has been studied. Thin film samples of these QDs were deposited on glass slides, irradiated by 514 nm polarized beam from an Argon-ion laser, and…
The pseudo-cubic lattice parameters of rare-earth (RE) scandate, REScO3, single crystals grown by the Czochralski technique with RE=Dy to Pr lie between about 3.95 and 4.02 Angstrom. These crystals are the only available perovskite substrates in this lattice constant range that can withstand virtually any thin film gr…
The use of hydrofluoric (HF) acid is considered one of the most effective methods for achieving durable resin bond to glass-ceramics.Nonetheless, HF acid etching effect on glass-based ceramics strength remains uncertain and only a few contradictory studies have reported the influence of an unfilled resin (UR) applicat…
When testing for material properties, the cost and time of the tests are an important factor. It is not practical to test every possible combination of expected environmental and loading scenarios. Therefore, a set of limited data is collected based on certain predetermined load levels and environmental conditions. Wh…
Tung Ho, Robert Vittoe, Namratha Kakumanu, Sudhir Shrestha, Mangilal Agarwal, and Kody Varahramyan Department of Chemistry, Indiana University−Purdue University Indianapolis, Indianapolis, IN 46202 Department of Electrical and Computer Engineering, Indiana University−Purdue University Indianapolis, Indianapolis, IN 46…
Ge compounds have interesting electrical and optical properties, which make them interesting for a wide variety of applications: high performance CMOS circuits, photovoltaics, photo detectors, MEMS, etc. Germanium is relatively scarce in respect with silicon, and therefore thin film deposition is preferred for large s…
Understanding limb regeneration on a molecular level could lead to new methods of healing for humans, therefore revolutionizing current medical treatments. The axolotl salamander possesses capabilities of limb regeneration that are lost in the Xenopus laevis froglet. The hypothesized reason is that elevated levels of…
Two new manganese(III) Schiff base complexes, [Mn(salen)(m-NO2-C6H4CO2)(H2O)] (1) and [Mn(msalen) (p-OH-C6H4CO2)(H2O)] (2), where H2salen = N,N'-bis(salicylidene)-1,2-diaminoethane, H2msalen = N,N'-bis (3-methoxysalicylidene)-1,2-diaminoethane were synthesized from the manganese (II) carboxylates. Single crystal X-ray…
For many years, an increasing interest existed in application of transfer functions (TF) method as a measure for detection of winding mechanical faults in transformers. However, this paper aims to change the application of TF method in order to evaluation of drying quality of power transformers during manufacturing pr…
L’Garde advanced the tensioned phased array technology by (a) carrying out a novel design of a phased array hinge fittings that connect panels together, and (b) by using thin rigid flat composite panels. Due to these improvements a 1.76 m x 4.42 m ten-panel array system was built, tested and folded in two directions.…
By a dihedral folding tiling (f-tiling, for short) of the sphere S whose prototiles are spherical right triangles, T1 and T2, we mean a polygonal subdivision τ of S such that each cell (tile) of τ is congruent to T1 or T2 and the vertices of τ satisfy the angle-folding relation, i.e., each vertex of τ is of even valen…
A numerical study is performed to investigate the effect of the loading sequence and the material hardening behavior under variable amplitude loading in this paper. Crack Tip Opening Displacement (CTOD), the forward plastic zone, and the reverse plastic zone are selected as the three fatigue parameters and are compute…