کد مقاله کد نشریه سال انتشار مقاله انگلیسی ترجمه فارسی نسخه تمام متن
1818594 1525749 2011 6 صفحه PDF سفارش دهید دانلود رایگان
عنوان انگلیسی مقاله ISI
Mechanical properties of polycrystalline RuSr2GdCu2O8 superconductor
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موضوعات مرتبط
مهندسی و علوم پایه فیزیک و نجوم فیزیک ماده چگال
پیش نمایش صفحه اول مقاله
Mechanical properties of polycrystalline RuSr2GdCu2O8 superconductor
چکیده انگلیسی

The main objective of this paper is to report the room temperature hardness and elastic modulus of the RuSr2GdCu2O8 superconductor phase by instrumented indentation. Polycrystalline samples were produced by a solid state reaction technique. The samples were also characterized by scanning electron microscopy, X-ray diffraction and electrical resistivity measurements. The influence of porosity on the mechanical properties was avoided by considering only those indentations inside the grains. The hardness and elastic modulus were 8.6 GPa and 145 GPa, respectively. These values are comparable with those of Y-123. The indentation fracture toughness evaluated after conventional Vickers indentation was 1.9 MPa m1/2.

Research highlights
► Hardness and elastic modulus of Ru-1212 phase measured by instrumented indentation are reported.
► Polycrystalline samples were produced by a solid state reaction technique.
► Samples were also characterized by SEM, XRD and electrical resistivity measurements.
► Hardness and elastic modulus were 8.6 GPa and 145 GPa, respectively.
► These values are comparable with those of Y-123.

ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Physica C: Superconductivity - Volume 471, Issues 5–6, March 2011, Pages 179–184
نویسندگان
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