کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
1601504 | 1005201 | 2008 | 9 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Structural, magnetic, electrochemical and hydrogen absorption properties of GdyMg2âyNi4âxAlx compounds with 0.4 < y < 2 and 0 < x < 1.2
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
مهندسی مواد
فلزات و آلیاژها
پیش نمایش صفحه اول مقاله
چکیده انگلیسی
A solid solution with the C15b structure (MgCu4Sn-type) exists as a series from GdNi2 to Gd0.4Mg1.6Ni4 (Gd0.2Mg0.8Ni2). These compounds were successfully elaborated by (i) Mechanical Alloying (MA) and (ii) melting followed by a subsequent annealing. It was also possible to synthesise the solid solution GdMgNi4âxAlx with x up to 1.2. The product is highly dependent on the elaboration route which induces a drastic change in both chemical and physical properties (i.e. magnetism, electrochemistry, and structural disorder). A direct relationship between all these property modifications was established. Finally, it is shown that different compounds have different behaviours towards hydrogen sorption regarding both the hydrogen uptake and the thermodynamic results.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Intermetallics - Volume 16, Issue 2, February 2008, Pages 179-187
Journal: Intermetallics - Volume 16, Issue 2, February 2008, Pages 179-187
نویسندگان
Jean-Gabriel Roquefere, Bernard Chevalier, Rainer Pöttgen, Naoyoshi Terashita, Kohta Asano, Etsuo Akiba, Jean-Louis Bobet,