کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
1624558 1516418 2008 5 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Effect of carbon doping on the formation and stability of MgB2 phase
موضوعات مرتبط
مهندسی و علوم پایه مهندسی مواد فلزات و آلیاژها
پیش نمایش صفحه اول مقاله
Effect of carbon doping on the formation and stability of MgB2 phase
چکیده انگلیسی
We have investigated the phase evolution and microstructure of carbon doped MgB2 by using differential scanning calorimetry (DSC), X-ray diffraction (XRD) and scanning electron microscope (SEM). The analysis of DSC and XRD indicate that both the reaction temperature between Mg and B and the MgB2 phase stability increase for the carbon doped samples. The reaction rate between Mg and B decreases with the carbon content increase in the Mg-B system. SEM observation has shown that the carbon doping degenerates the grain connectivity of MgB2. In order to improve denseness of MgB2 sample, the two-step reaction method is proposed.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Journal of Alloys and Compounds - Volume 459, Issues 1–2, 14 July 2008, Pages 452-456
نویسندگان
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