کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
10416862 | 902013 | 2005 | 8 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Understanding AlN sintering through computational thermodynamics combined with experimental investigation
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
سایر رشته های مهندسی
مهندسی صنعتی و تولید
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چکیده انگلیسی
Liquid-phase sintering of AlN with Y2O3 as an additive has been studied and compared with the thermodynamic results. Sintering was performed in the temperature range of 1750-1950 °C for upto 4 h under a N2 atmosphere to optimise the sintering conditions for each composition. The relative density exceeded 95% for all the compositions sintered at 1850 °C and full densification was achieved for all four compositions sintered at 1900 °C. The microstructure and assemblage of the secondary phase have a significant effect on the final thermal conductivity of the sintered AlN. Thermodynamic modelling of AlN-Al2O3-Y2O3 system provided an important basis for understanding the sintering behaviour and interpreting the experimental results.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Journal of Materials Processing Technology - Volume 161, Issue 3, 30 April 2005, Pages 415-422
Journal: Journal of Materials Processing Technology - Volume 161, Issue 3, 30 April 2005, Pages 415-422
نویسندگان
M. Medraj, Y. Baik, W.T. Thompson, R.A.L. Drew,