کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
10629854 | 991194 | 2005 | 8 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Uniaxial viscosity of low-temperature cofired ceramic (LTCC) powder compacts determined by loading dilatometry
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
مهندسی مواد
سرامیک و کامپوزیت
پیش نمایش صفحه اول مقاله
![عکس صفحه اول مقاله: Uniaxial viscosity of low-temperature cofired ceramic (LTCC) powder compacts determined by loading dilatometry Uniaxial viscosity of low-temperature cofired ceramic (LTCC) powder compacts determined by loading dilatometry](/preview/png/10629854.png)
چکیده انگلیسی
This paper reports on the experimental determination of the uniaxial viscosity of two commercially available low-temperature cofired ceramic (LTCC) powder compacts, Ceramtape GC (glass-ceramic) and Ferro A6M (glass), by loading dilatometry. Isothermal sintering of cylindrical green compacts was carried out at temperatures ranging from 720 to 840 °C and under varying uniaxial compressive loads of 0-50 N (corresponding to 0-0.5 MPa). Both instantaneous radial and axial strains were measured during sintering. These data were analyzed by using constitutive laws for a porous sintering body and the uniaxial viscosity was calculated as a function of relative density. The activation energy for viscosity was independent of relative density and showed an average value of 668±76 kJ/mol for the Ceramtape material but was not accessible for the Ferro material. The viscosity data were compared with several theoretical models.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Journal of the European Ceramic Society - Volume 25, Issue 4, April 2005, Pages 417-424
Journal: Journal of the European Ceramic Society - Volume 25, Issue 4, April 2005, Pages 417-424
نویسندگان
Rong-Jun Xie, Ruzhong Zuo, Emil Aulbach, Uwe Mackens, Naoto Hirosaki, Jürgen Rödel,