کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
1615761 1516357 2012 6 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Hydrogen sorption properties of compounds based on BCC Ti1 − xV1 − yCr1 + x + y alloys
موضوعات مرتبط
مهندسی و علوم پایه مهندسی مواد فلزات و آلیاژها
پیش نمایش صفحه اول مقاله
Hydrogen sorption properties of compounds based on BCC Ti1 − xV1 − yCr1 + x + y alloys
چکیده انگلیسی

Among the hydrogen storage materials, BCC structure type materials such as V-based alloys reveal promising characteristics due to there reactivity with hydrogen at ambient temperature. A systematic XRD study was performed in order to obtain a cell parameter-composition map in the BCC domain and attempt a correlation with the sorption properties. However, activation of this type of materials may not be straightforward. The aim of this study was to co-melt a main BCC phase with a minor metallic one acting as activating phase. The synthesis of co-melted materials with a specific microstructure starting from Ti1 − xV1 − yCr1 + x + y (x ⩽ 0.4, y ⩽ 0.3) and Zr7Ni10 alloys was successfully realized. The hydrogen decrepitation of the compound was studied in correlation with its microstructure. Pressure-composition-isotherms were recorded, the absorption and desorption isotherms measured as a function of time (sorption kinetics measurements) show reversible hydrogen uptake up to 2 wt.%.


► Composites based on Ti–Cr–V BCC-type alloys with the addition of a minor fraction of Zr7Ni10 was successfully realized.
► The resulting material exhibits a specific microstructure and displays excellent sorption kinetics.
► The specific composition Ti0.5V1.9Cr0.6 was found to be suitable for practical applications.

ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Journal of Alloys and Compounds - Volume 536, 25 September 2012, Pages 1–6
نویسندگان
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