کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
10624483 989594 2016 26 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Anisotropic properties of highly textured porous alumina formed from platelets
ترجمه فارسی عنوان
خواص آنیزوتروپیک آلومینا متخلخل با بافت بسیار متشکل از پلاکتها
موضوعات مرتبط
مهندسی و علوم پایه مهندسی مواد سرامیک و کامپوزیت
چکیده انگلیسی
Alumina platelets and a pulsed electric current sintering (PECS) technique were used to form porous alumina with highly oriented grains in one direction. A slurry consisting of alumina platelets, distilled water, and organic binders was spread over a gypsum board to form a green sheet. Pellets 14 mm in diameter were punched from the sheet and preheated at 800 °C to burn off the binders. The preheated pellets were placed in a carbon die, which was then positioned within the PECS device. After heating at 1400 °C and 30 MPa for 5 min, porous alumina with 80.8% density was obtained. Parallel to the pressing direction, the thermal conductivity and bending strength of the porous body were 22.4 W m−1 K−1 and 404 MPa, respectively. Perpendicular to the pressing direction, on the other hand, the thermal conductivity and bending strength of the porous body were 10.8 W m−1 K−1 and 217 MPa, respectively.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Ceramics International - Volume 42, Issue 1, Part B, January 2016, Pages 1453-1458
نویسندگان
, , , ,