کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
10626682 | 989696 | 2005 | 4 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
AlN-TiB2 composites fabricated by spark plasma sintering
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
مهندسی مواد
سرامیک و کامپوزیت
پیش نمایش صفحه اول مقاله
چکیده انگلیسی
Dense AlN-TiB2 composites doped with Y2O3 were prepared by spark plasma sintering. X-ray diffraction and transmission electron microscopy analyses show that no TiN was formed in the sintering process while BN was formed. The maximum values of hardness and toughness were up to 15.0 GPa and 5.6 MPa m1/2, respectively. The improved toughness is considered to be mainly associated with the crack deflection due to a weak interface between AlN and TiB2 as well as a high resistance to crack propagation in the AlN matrix region due to a large residual compressive stress from thermal expansion mismatch between AlN and TiB2.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Ceramics International - Volume 31, Issue 2, 2005, Pages 267-270
Journal: Ceramics International - Volume 31, Issue 2, 2005, Pages 267-270
نویسندگان
Xiang-Yu Zhang, Shou-Hong Tan, Dong-Liang Jiang,