کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
1464280 | 989659 | 2010 | 7 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Effect of alumina addition on initial sintering of cubic ZrO2 (8YSZ)
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موضوعات مرتبط
مهندسی و علوم پایه
مهندسی مواد
سرامیک و کامپوزیت
پیش نمایش صفحه اول مقاله
![عکس صفحه اول مقاله: Effect of alumina addition on initial sintering of cubic ZrO2 (8YSZ) Effect of alumina addition on initial sintering of cubic ZrO2 (8YSZ)](/preview/png/1464280.png)
چکیده انگلیسی
The effect of 0-10Â wt% alumina addition on the initial sintering of 8Â mol% Y2O3 cubic ZrO2 (8YSZ) was studied. Activation energy and initial stage of sintering mechanism were analyzed in order to understand the effect of the alumina in the sintering process. The analysis was carried out using the analytical method for constant rate heating (CRH). The activation energy decreased from 716 to 599Â kJ/mol for undoped 8YSZ to 2.16Â wt% of alumina-8YSZ, respectively. The mechanism for the initial stage of sintering for <2.16% Alumina-8YSZ changed from grain boundary diffusion (GBD) to volumetric diffusion (VD). With 10Â wt% of alumina, the activation energy increased to 854Â kJ/mol which was thought due to the change in the initial stage of sintering mechanism from VD to GBD.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Ceramics International - Volume 36, Issue 3, April 2010, Pages 879-885
Journal: Ceramics International - Volume 36, Issue 3, April 2010, Pages 879-885
نویسندگان
Gustavo Suárez, Yoshio Sakka,