Materials Literature
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This experimental investigation is on the ultrasonic vibration enhancement and study on chip removal mechanism regarding the utilization appropriate tool for turning NiTi based shape memory alloy (SMA). For this purpose, a special wave concentrator was designed and fabricated. FEM analysis was performed on the ultraso…
Hydroxyapatite/bacterial cellulose (HAp/BC) nanocomposites, which mimic the composition of natural bone, were prepared via a biomimetic route. In this study, thermal analysis of these HAp/BC nanocomposites was conducted to investigate the compositions, thermal stability, and thermo-mechanical behaviors of HAp/BC nanoc…
Welded joint in cast AlSi9/SiC/20(p) metal matrix composite by manual TIG arc welding using AlMg5 filler metal has been described in his paper. Cooling curves have been stated, and the influence in distribution of reinforced particles on crystallization and weld microstructure. Welded joint mechanical properties have…
Volume Free Electron Laser with a photonic crystal (crystal-like artificial periodic structure) formed by metal- lic threads periodically strained inside a cylindrical waveg- uide is studied. Theoretical analysis of operation of Vol- ume Free Electron Laser using a grid photonic crystal with variable period is accompa…
Interdiffusion in multicomponent-multiphase alloys is commonly encountered in many materials systems. The developments of multicomponent-multiphase alloys require control of microstructure through appropriate heat treatment, involving solid-state transformations, precipitation processes, and surface modification, wher…
S.1775-1783
Light management is a key issue for Si-based thin film solar cells to increase efficiency while keeping film thicknesses as low as possible. Typically, light scattering schemes are induced by textured TCO. One approach is the insertion of an additional textured layer located between the substrate and the TCO. Hence, t…
Mung bean protein isolate was prepared from mung bean (Vigna radiata) flour by extraction with 1N NaOH and precipitated at pH 4 with 1N HCl. Glycerol 3% (w/v) was added to the mung bean protein isolate 5% (w/v) solution to form a transparent edible film. The films were then adjusted to pH 8, 10 and 12 with 2N NaOH and…
The first ab-initio calculations were carried out for the electronic and structural properties of BInN boron ternary alloys. The full potential linearized augmented plane wave (FP-LAPW) method was employed within density functional theory (DFT). We have investigated the lattice parameters and band gap energies. The la…
Application of a traveling magnetic field (TMF) to Bridgman-type solidification of multi-crystalline silicon for photovoltaic applications provides an additional tool for the control of the heat and species transport processes in the melt. The current paper presents a numerical 2D and 3D parameter study of the influen…
Extensions of the TRANSURANUS burn-up model are reported for simulating Gd-doped UO2 fuel used in WWER reactors. To this end, neutron-transport calculations have been performed with the MONTEBURNS code for both UO2 and UO2-Gd2O3 fuel irradiated in a\nWWER 440 fuel assembly. After an earlier adaptation of the radial fo…
The z-axis coefficient of thermal expansion (CTE) of a high-temperature laminate is dependent on sample construction. Reproducibility of the temperature-dependent CTE is significantly greater for thicker sample constructions. The CTE below Tg is independent of sample construction whereas the CTE above Tg depends on sa…
peer reviewed
We use directly driven method to compress the iron along isentropic path. By adjusting the pulse intensity of laser to increase with time, we directly ablated the iron target with laser to achieve isentropic compression. Rear surface velocities of the iron targets were recorded by VISAR (Velocity Interferometer System…
This study investigates the effects of alumina, titania, boron nitride and silicon carbide additions on low energy (typical cure < 90oC) alkali reactive aluminosilicate matrix material properties as potential small environmental footprint refractory materials. The structure - property relationships of the aluminosilic…
Advanced biomass processing technology integrating fast pyrolysis and inorganic catalysis requires an improved understanding of the thermal decomposition of biopolymers in contact with porous catalytic surfaces. High speed photography (1000 frames per second) reveals that direct impingement of microcrystalline cellulo…
采用亚规则溶液模型对液态三元(NixCu100-x)50Pb50偏晶合金相分离的演化过程进行了相场计算. 结果表明, 如果不考虑表面偏析势作用, 随液体流动性增强, 相分离后组织形态由弥散向双连续组织转变. 引入表面偏析势后发现(Pb)相优先占据表层, (Ni,Cu)相依附其形核并生长. 随相分离时间延长, (Pb)相在表层粗化和生长, 偏析层厚度逐渐增加. 同时, (Ni,Cu)相向中心迁移和聚集, 合金熔体形成两层壳核组织. 对液体浓度场计算发现, 表面浓度起伏比体相大, 并以波的形式向内部传播, 最终表面(Pb)相和内部(Ni,Cu)相的成分保持稳定. 此外, 对液体的流场计算发现, 在相分离初期界面附近流场较强, 后期显著…
To study the micro-scale mechanical properties and failure behavior, and achieve the goal of “performance-oriented” design of microstructure and material performance prediction, in this study, computer simulation, micromechanics calculation and virtual failure analysis on microstructures of polycrystalline materials w…
The restriction of the use of certain hazardous substances (RoHS) came into force on July 1, 2006. Equipment producers will need to obtain materials declarations or certificates of compliance from their suppliers. Certain exemptions from this regulation, for example, RF ports and certain medical applications, still al…
Обращение с активированными материалами термоядерных энергетических установок 3 УДК 621.039.7,621.039.77ОБРАЩЕНИЕ С АКТИВИРОВАННЫМИ МАТЕРИАЛАМИ ТЕРМОЯДЕРНЫХ ЭНЕРГЕТИЧЕСКИХ УСТАНОВОК М. Цуккетти 1 , Л. Ди Паче 2 , Л. Эль-Гуэбали 3 ,