Materials Literature
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PEMAKAIAN ABU AMPAS TEBU DENGAN VARIASI SUHUSEBAGAI SUBSTITUSI PARSIAL SEMEN DALAM CAMPURAN BETONThe Use Of Bagasse Ash With Temperature VariationsAs A Partial Substitution Of Cement In The Concrete MixRofikotul Karimah1& Yusuf Wahyudi21&2Jurusan Teknik Sipil – Fakultas Teknik Univ. Muhammadiyah MalangJl. Raya Tlogoma…
The influence of the laser beam profile on simultaneous wide-area crystallization and texturing of amorphous silicon (a-Si) thin films in water ambience is investigated by using a pulsed laser-beam-overlap technique. A Q-switched Nd3+:YAG laser with the second harmonic wavelength of 532 nm and different beam profiles,…
Abstract Urea (CN2H4O) is a fundamental biomolecule whose derivatives are abundant throughout chemistry. Among the latter, rubidium ureate (RbCN2H3O) and its cesium analog (CsCN2H3O) have been described only very recently and form the first structurally characterized salts of deprotonated urea. Here, we report on a ne…
The definition of the ampere will change in the next few years. This electrical base unit of the S.I. will be redefined by fixing the value of the charge quantum, i.e., the electron charge e. As a result electron pumps will become the natural device for the mise en pratique of this new ampere. In the last years semico…
We present an exact rewriting of the Mie coefficients describing the scattering of light by a spherical core-shell particle which enables their interpretation in terms of a hybridization of the two surface modes arising, respectively, at the core-shell and the shell-medium interface. For this particular case, we thus…
This article addresses the question what the influence is of size and shape of glass both particles and fibers, as well as carbon fibers on the abrasiveness of polytetrafluoroethylene (PTFE)/epoxy composites sliding against steel balls. A size‐dependence appears, i.e. large size glass particles (∼80 µm, L) are more ab…
Glass is a noncrystalline amorphous solid showing glass transition characteristic. It can transform from one metastable state to another metastable or stable state in an external field. In glasses, novel functions can be achieved if we control the status, morphology, and distribution of external field‐induced structur…
Abstract In this paper, the generalisation of the 4th-order Adams-Bashforth-Moulton predictor-corrector method is proposed to numerically solve the point kinetic equations of the nuclear reactivity calculations without using the nuclear power history. Due to the nature of the point kinetic equations, different predict…
Abstract NEUTRONICS ANALYSIS ON MINI TEST FUEL IN THE RSG-GAS CORE. Research of UMo fuel for research reactor has been developing right now. The fuel of research reactor used is uranium low enrichment with high density. For supporting the development of fuel, an assessment of mini fuel in the RSG-GAS core was performe…
Homogeneous and complete combustion in internal combustion engines is advantageous. The use of a porous foam in the exhaust gas in an engine cylinder for heat recovery is examined here with the aim of reducing engine emissions. The internal combustion engine with a porous core regenerator is modeled using SOPHT softwa…
We present a study on the apparent thermal resistance of metal foams as a thermal interface in electronics cooling applications. Metal foams are considered beneficial for several applications due to its significantly large surface area for a given volume. Porous heat sinks made of aluminum foam have been well studied…
Using different homogenization treatments, different initial microchemistry conditions in terms of solid solution levels of Mn, and number densities and sizes of constituents and dispersoids were achieved in an Al-Mn-Fe-Si model alloy. For each homogenized condition, the microchemistry and microstructure, which furthe…
Abstract In order to produce environmentally friendly and efficient metalworking fluids and also to reduce the impact of waste polyurethane polymer in the environment, polyurethane polymers were recycled in a novel process. Waste polyurethane foam was glycolyzed using polyethylene glycol 400 to give the glycolyzed pro…
This article presents the comparison of mechanical and dry sliding wear peculiarity of zinc oxide (ZnO)‐filled polyester composites, fabricated by two different techniques. These two techniques are simple mechanical stirring and vertical centrifugal casting. ZnO filled polyester based homogeneous composites are fabric…
The orientation of 3D equilibria in the Madison Symmetric Torus (MST) [R. N. Dexter et al., Fusion Technol. 19, 131 (1991)] reversed-field pinch can now be controlled with a resonant magnetic perturbation (RMP). Absent the RMP, the orientation of the stationary 3D equilibrium varies from shot to shot in a semi-random…
Ion exchange is one of the most useful separation methods. Certain ion exchange resins have been developed for use in reprocessing technology. The purpose of this study is to evaluate the U selectivity of a benzimidazole-type anion exchange resin and its potential for the separation of U from a solution of simulant fu…
Abstract Crack-free AlN films were grown on sapphire by hydride vapor phase epitaxy, with in situ etching applied during growth. Nanoscale voids were formed at a chosen growth stage by interrupting the growth and performing in situ etching in an H2 atmosphere at elevated temperature. Transmission electron microscopy s…
Abstract Highlights • Laser-induced transfer is used for the printing of multilayered microcapacitors • The dielectric film is made of PVP, and the electrodes are made of Ag • Thermal behaviour of the polymer is discussed with respect to the laser processing • The structure and electrical properties of the capacitors…
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We report an in situ observation of temperature-dependent phase transition in MnAs thin film by transmission electron microscopy (TEM) techniques. Following the identification of the crystallographic transition, from hexagonal $\ensuremath{\alpha}$-MnAs to quasihexagonal $\ensuremath{\beta}$-MnAs, the orbital-to-spin…