Materials Literature
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There is presented the substantiation of prospect of studying of cobalt alloys and short comparison of existing industrial cobalt alloys. A phase structures of industrial alloys HTN-61 and V3K and skilled structures of an alloy on a cobalt basis is calculated by method CALPHAD. Results of the spent calculations are an…
The technique of numerical simulation of the flow of multistage axial compressor air-gas channel with different forms of wear of rotor blades and stator blades.
Методами дифференциальной сканирующей калориметрии и динамической механической (релаксационной) спектроскопии установлено, что поли-L-лактид как в гранулах, так и пластинах, полученных литьем под давлением, находится в аморфно-кристаллическом фазовом состоянии, причем кристаллическая фаза существует в двух формах, отл…
Probed influence of fusible metals in the cast magnesium alloy of Ml-5 on his structural constituents, mechanical properties and inoxidizability in water solution of chlorous sodium. Set that an alloy had been alloyed fusible metals on mechanical properties (tensile strength and relative lengthening) of udovletvoryaet…
Sursa: Conferința –Materials Science and Condensed Matter Physics, Chișinau, Moldova, 16-19 septembrie 2014.→ https://ibn.idsi.md/collection_view/169
The article in presence is devoted to analysis of the coupled electromagnetic and mechanical fields in composite structures. High-intensity electromagnetic fields are conditions for a variety of tech-nical and technological objects. The interaction of electromagnetic fields with conductive bodies can cause their movem…
合成了以Fe3O4为核,以SiO2为壳的磁性纳米微粒（Fe3O4@SiO2）,并采用沉淀沉积法将ZrO2包覆到材料表面.通过XRD、TEM、VSM、ζ电位、XPS和N2吸附/脱附等手段对材料进行表征,结果表明材料Fe3O4@SiO2@ZrO2上沉积了氧化锆纳米颗粒,具有超顺磁性,可在外加磁场作用下实现从水中快速分离.同时系统研究了材料对水中磷酸盐的吸附行为,结果表明沉积ZrO2使得材料对磷酸盐表现出良好的吸附性能,并且随着沉积量的增大吸附量增加.吸附等温线符合Freundlich方程.吸附动力学可用拟二级动力学模型描述,吸附速率随磷酸盐初始浓度增加而减小.磷酸盐吸附量随溶液pH值的增大而减小,但几乎不受离子强度影响.
Results of research of stability of emulsion explosives are presented. Thermograms of ammoniacal saltpeter in the form of crystals, water solution, an aqueous slurry and emulsion explosive are received. Kinetic results of loss of water at heating of emulsion explosive ukrainit various marks are brought. The general ap…
La fabricacion de papel es un proceso con uso intensivo de energia, en forma de electricidad y de calor. Tiene un proceso fundamentalmente mecanico, por lo que parte del consumo energetico se hace en forma de electricidad (produccion y depuracion de la pasta, accionamiento de maquinaria, sistemas de vacio). Otra parte…
近年來超大型積體電路要擴展到更小的尺寸，根據ITRS國際半導體技術藍圖指出在2020年銅製程銅金屬線寬間要低於36 nm，而阻障層厚度必須降至約1.1 nm，必須要讓材料的形成只有幾個奈米厚，使孔洞之深寬比加劇，因此，原子層沉積與電化學的結合發展成電化學原子層沉積(EC-ALD)得以解決新世代半導體製程之挑戰。 本研究分為兩大部分: 第一部分 : 探討在矽基板上以濺鍍方式沉積Ru (10 nm)薄膜作為晶種層，在不同pH值溶液和沉積電位下，以電化學原子層沉積製備銅薄膜。製程利用表面侷限氧化還原反應(SLRR)，將鉛以欠電位沉積(UPD)鍍在釕薄膜上作為犧牲層，然後由銅溶液中的Cu2+開路電壓取代鉛形成原子層銅薄膜，經熱處理後探討其…
InGaAs-embedded photonic crystal photodetectors were demonstrated towards realizing photoreceivers with small junction capacitance. A 1-A/W responsivity and a 40-Gb/s eye opening were successfully confirmed for the 1.7-μm-long device.
The article presents the basic principles of reliability and risk assessment of organizational processes of investment and construction projects developed by the relevant rating system and a mechanism to ensure the reliability and reduce risks.
Silver halide is a material that was traditionally used in photographic films. In recent years, there has been a revived interest in using small clusters of silver halides for photocatalytic and photovoltaic applications. We present the results of a theoretical study of neutral and anionic AgnXn (X = F, Cl, and Br, an…
The possibilities of using organic materials which based on the plant material as adsorbents for the elimination of oil pollution are presented in the pape
In this paper was carried out a brief overview of the current state of the problem and analysis of publications on it. The aim of this article is to adapt the method to calculate the energy balance oscillators with variable mass under the action of dry friction force. First we considered the problem of the oscillator…
The applicability of the classical fracture criteria for the evaluation of the limit state and the fatigue life-time of solid prismatic specimens under combined loading by axial tension-compression with torsion and bending with torsion. The criterion of maximum normal stresses, the criterion of maximum shear stresses…
Methodic and experimental investigation results of pine wood (Pinus sylvestris L.) hygroscopicity limit and diffusion coefficient are described
UKR: У статті представлено результати експериментального дослідження часових залежностей напруженості магнітного поля та магнітної індукції в циліндричному зразку магнітного матеріалу під час його імпульсного намагнічування. Імпульсний метод намагнічування зразків магнітотвердих матеріалів є одним з перевірених ефекти…
Calculations of wave guide were carried out for strengthening surface of fan airfoil wide chord in ultrasonic field. Based on calculation results the above wave guide was manufactured, tested and features stable operation at design parameters.
Peer reviewed: Yes