Intermetallic Hydrides Based on (Zr-Ti)(Fe-Cr)2 Type of Compounds

Abstract:

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In this work, the (Zr-Ti)(Fe-Cr)2 based compounds have been synthesized while charging-discharging hydrogen ability has been examined. Relatively low hydrogen pressure has been used for the hydrogenation of the samples. After following the discharging procedure, a high desorbed amount of hydrogen ~180 (ml of H2)/(gr of the alloy) has been measured on the first 15 min by using a volumetric device. The crystal structure has been analyzed by means of x-ray diffraction (XRD) while a Rietveld analysis has been performed on the x-ray diffraction patterns and the characteristic MgZn2 type of structure has found to be the dominant phase in both compounds. The scanning electron microscopy (SEM) and energy dispersive x-ray analysis (EDX) have been used for microstructural studies and quantitative analysis, respectively. Magnetic measurements have been performed on the samples and a paramagnetic behaviour has found to be at room temperature.

Info:

Periodical:

Materials Science Forum (Volumes 514-516)

Edited by:

Paula Maria Vilarinho

Pages:

666-671

DOI:

10.4028/www.scientific.net/MSF.514-516.666

Citation:

S. S. Makridis, C. Christodoulou, M. Konstantakou, T.A. Steriotis, M. Daniil, A. Ioannidou, E.S. Kikkinidis, A. K. Stubos, "Intermetallic Hydrides Based on (Zr-Ti)(Fe-Cr)2 Type of Compounds", Materials Science Forum, Vols. 514-516, pp. 666-671, 2006

Online since:

May 2006

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$35.00

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