Littérature scientifique sur le sujet « Amorhous alloys »
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Articles de revues sur le sujet "Amorhous alloys"
Kohmoto, O., H. Fujishima, S. Sumiya, H. Itoga et T. Ojima. « Development of amorhous alloys for magnetic head. » Bulletin of the Japan Institute of Metals 27, no 4 (1988) : 293–95. http://dx.doi.org/10.2320/materia1962.27.293.
Texte intégralHuang, Z. G. « Mössbauer study of hydrided amorhous Fe−M−Zr (M=Co, Cr) alloys ». Hyperfine Interactions 69, no 1-4 (avril 1992) : 557–60. http://dx.doi.org/10.1007/bf02401888.
Texte intégralGwiazda, J., W. Zych et E. Mariańska. « The influence of transition metal substitution and B3−2 values for some amorhous alloys ». Physica Status Solidi (a) 108, no 1 (16 juillet 1988) : K67—K72. http://dx.doi.org/10.1002/pssa.2211080165.
Texte intégralThèses sur le sujet "Amorhous alloys"
Poltronieri, Cristiano. « A comprehensive study on structure, mechanical properties and biodegradability of Zn-based thin films for biodegradable implants : from binary to ternary alloys ». Electronic Thesis or Diss., Paris 13, 2024. http://www.theses.fr/2024PA131006.
Texte intégralTraditional biomaterials are designed to provide permanent support for damaged bodily apparatus, becoming indispensable devices in modern society, serving various critical applications. However, while permanent devices have undoubtedly revolutionized the field of medical device technology, they are susceptible to wear, corrosion, and mechanical failures, which may lead to invasive revision surgeries. For these reasons, the development of biodegradable materials that possess the balance between structural integrity, subjected to a homogenous degradation and the predictable degradation kinetics presents a multifaceted challenge and requires rigorous scientific investigations. In this context, this PhD thesis aims to shed light on the potential of Zn-based thin films as materials for biodegradable implants. The films were synthetized by RF-magnetron co-sputtering and then, a delicate campaign of experiments and calculations was carried out to investigate the properties of the films. Among the involved characterization techniques, X-ray diffraction (XRD) and scanning electron microscopy (SEM) were used to investigate the structure of the deposited films. The mechanical properties of the materials were investigated through Brillouin light scattering, nanoindentation and tensile tests on Kapton®. In addition molecular dynamic calculations were used to simulate the structure of the materials and to investigate the elastic properties of the materials. The film biocompatibility was assessed by cytotoxicity test and its behavior in physiological environment was investigated by electrochemical and static immersion tests in simulated body fluid solution
Fang, Kyar-Shou, et 房家壽. « Polymer Light-Emitting Diodes with Composition-Graded Amorhpus Silicon-Alloy Electron Injection and Hole Buffer Layers ». Thesis, 2004. http://ndltd.ncl.edu.tw/handle/98162554271956219445.
Texte intégral國立中央大學
電機工程研究所
92
Abstract In order to improve the electroluminescence (EL) properties of polymer light-emitting diodes (PLEDs) with the increased of electron injection efficiency and balanced hole injection, the thin doped composition-graded (CG) n-a-SiC:H and p-a-SiC:H films were employed as the electron injection layer (EIL) and hole buffer layer in the poly(2-methoxy-5-(2’ethyl-hexoxy)-1,4-phenylene-vinylene (MEH-PPV) polymer PLEDs. Also, surface modification of indium-tin-oxide (ITO) electrode by oxygen-plasma treatment was used in this work. By using the above techniques, the electroluminescence (EL) threshold voltage of a PLED could be reduced and its brightness enhanced. The achieved brightness of the best device was 9350 cd/m2, and its EL threshold voltage was 4.2 V.