Materials Literature
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본 연구에서는 벌지 실험을 이용하여 티타늄 박막의 기계적 물성을 측정하였다. 벌지 실험은 외적 지지구조를 가지지 않는 박막 시편의 한 면에 일정한 압력을 가하여 박막의 변위를 측정, 압력과 변위의 관계를 이용하여 박막의 기계적 물성을 측정하는 실험이다. 스퍼터링을 이용해 증착된 티타늄 박막의 두께는 1.0, 1.5, 2.0 ㎛ 이고, 물성의 열처리 시간에 대한 영향을 알아보기 위해 증착된 시편은 600 ℃에서 각각 150, 300, 600 초 동안 열처리 되었다. 박막의 탄성 계수, 잔류 응력, 항복 응력이 벌지 실험을 통해 측정되었고, 실험 결과 항복 응력은 열처…
Abstract The objective of this paper was to present an alternative technique of manufacturing the unit cells of spiral-shaped resonators (SR) on the aluminium nitride (AlN) ceramics. In this technique the AlN plane surface is irradiated by the Yb:glass medium-power laser (1.06 µm). As a result of the irradiation by a…
Views Icon Views Article contents Figures & tables Video Audio Supplementary Data Peer Review Share Icon Share Twitter Facebook Reddit LinkedIn Tools Icon Tools Reprints and Permissions Cite Icon Cite Search Site Citation S. Senthilkumaran, A. Ahamed Fazil, S. Kannan, P. Thangadurai; Structural phase analysis of nanoc…
With graphite, 45 steel and copper as substrates respectively, Ti(C,N)-TiB2 composite ceramic preforms with micro/nanometric grains were prepared by self-reactive sprayed forming technology. The cooling rate of spray particles deposited on different substrates was calculated by finite element method. The influence of…
Uraemic toxins-creatol and N-methylguanidine-are generated in conversion of creatinine in water in the presence of various forms of carbon such as fullerene C60, carbon-encapsulated magnetic nanoparticles, and multiwalled carbon nanotubes and oxygen. The conversion degree for creatinine was different for fullerene C60…
Le chrome est souvent utilisé comme sous-couche pour permettre ou améliorer l’adhésion. Des analyses de contraintes résiduelles et de la microstructure des films minces de chrome élaborés par pulvérisation cathodique RF ont été réalisées afin de définir les conditions d’élaboration optimums pour incorporer celui-ci da…
In this paper, fabrication of through-silicon vias (TSV) with different diameters ranging from 60 to 150 μm is reported. It was observed that at the low current density of 20 mA/cm2, all the through-holes with different diameters are filled with copper without voids and pores. At higher current density of 40 mA/cm2, h…
The Pd–Y system was critically assessed using the CALPHAD technique. The solution phases (liquid, b.c.c., f.c.c. and h.c.p.) were modeled using the Redlich–Kister equation. The intermetallic compounds Pd3Y and PdY, which have homogeneity ranges, were treated as the formula (Pd,Y)0.75(Pd,Y)0.25 and (Pd,Y)0.5(Pd,Y)0.5 b…
A hot water layer system (HWLS) is a novel system for reducing radioactivity under research reactor containment. This system is particularly useful in pool-type research reactors or other light water reactors with an open pool surface. The main purpose of a HWLS is to provide more protection for operators and reactor…
In the spring of 2005 in the north-east shelf of the Black Sea near the town of Gelendjik, a small cell diatom Chaetoceros minimus (Levander) Marino, Giuffre, Montresor et Zingone was recorded for the first time with maximum abundance (1.6·105 cell/L). In parallel, this species was revealed in the cultures of natural…
ABSTRACTIn order to improve the mechanical properties of TiAl intermetallic compound by combustion synthesis, it is also effective to synthesize composite Ti – Ni – Al intermetallic compound by the addition of Ni. However, in combustion synthesis of Ti – Ni – Al system, difficulty of reaction control of elemental Ti/N…
Views Icon Views Article contents Figures & tables Video Audio Supplementary Data Peer Review Share Icon Share Twitter Facebook Reddit LinkedIn Tools Icon Tools Reprints and Permissions Cite Icon Cite Search Site Citation D. Vasanth Raj, N. Ponpandian, D. Mangalaraj, C. Viswanathan; Electrodeposition of Sno2 nanoneedl…
This chapter reviews the 2012 literature regarding the Group 16 elements, with an emphasis on new molecular and solid state structures, synthesis, reactivity, new materials and their properties.
Views Icon Views Article contents Figures & tables Video Audio Supplementary Data Peer Review Share Icon Share Twitter Facebook Reddit LinkedIn Tools Icon Tools Reprints and Permissions Cite Icon Cite Search Site Citation T. Sheela, R. F. Bhajantri, V. Ravindrachary, P. K. Pujari, Sunil G. Rathod; Preparation and char…
Zinc-blend III–V semiconductors being cleaved along nonpolar (110) planes yield atomically clean surfaces due to their charge neutrality, which can be employed as mirror planes for optical resonators. As a result of the Ga3 d core level photoemission measurements after the n -, p -GaAs (110) plane cleavage in situ of…
An analytical method to calculate the temperature distribution of heavy particles in the channel of the plasma torch on the known distribution of the electronic temperature has been proposed. The results can be useful for a number of model calculations in determining the most effective conditions of gas blowing throug…
A comparative analysis of the spalling of (a) cores made of 3 concrete mixes embedded into 3 slabs made of the 3 same concrete mixes; and (b) 3 reference slabs made again of the same 3 concrete mixes has been made. Samples have been exposed to the French Increased HydroCarbon temperature curve. Results confirm that co…
Co/Pt multilayer structures with varying Pt layer thicknesses from 1.5 to 12 Å were deposited on Ta buffer \nlayer by DC magnetron sputtering technique and both of their magnetic and structural properties were investigated. All the multilayers showed perpendicular magnetic anisotropy (PMA) and the enhancement in PMA i…
When a scale of metal cutting process reduces to micrometer range, mechanics of material removal are affected by various factors such as workpiece material, cutting tool geometry and cutting conditions. A suitable model of constitutive behaviour of the material is needed to represent properties of the work material at…
The growth of the microalgal culture Euglena gracilis was studied under the influence of fungicides. To suppress the development of spores or mycelium of pathogenic fungi in the E. gracilis culture we used four preparations of fungicides widely employed in agriculture for the protection of plants against fungal infect…