کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
1652010 1007634 2008 4 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Thermal stability of porous A-type carbonated hydroxyapatite spheres
موضوعات مرتبط
مهندسی و علوم پایه مهندسی مواد فناوری نانو (نانو تکنولوژی)
پیش نمایش صفحه اول مقاله
Thermal stability of porous A-type carbonated hydroxyapatite spheres
چکیده انگلیسی

Porous A-type carbonated hydroxyapatite (CHAp) spheres were synthesized in the high-pressure hydrothermal system by the template-directed method. The thermal stability of porous A-type CHAp spheres was first studied via calcining in the wide temperature range from 393 K up to 1173 K, analyzed by FT-IR, XRD and SEM. The results showed that the decomposition of porous A-type CHAp spheres went through two stages, owing to the release of the carbonate from the OH− channel and the collapse of apatite-type structure above 973 K, consecutively. The nanoparticles in situ replaced the flakelets of porous CHAp spheres and packed closely into new regular porous Ca3(PO4)2 spheres.

ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Materials Letters - Volume 62, Issue 3, 15 February 2008, Pages 539–542
نویسندگان
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