کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
1477237 | 991176 | 2006 | 7 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
A method to estimate the influence of the notch-root radius on the fracture toughness measurement of ceramics
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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: A method to estimate the influence of the notch-root radius on the fracture toughness measurement of ceramics A method to estimate the influence of the notch-root radius on the fracture toughness measurement of ceramics](/preview/png/1477237.png)
چکیده انگلیسی
The fracture toughness measurement of ceramics is based on notched specimens. If the notch-root radius is too large, it leads to overestimate the actual fracture toughness of the material. It is then necessary to control the notch shape and to machine it carefully in order to have a root-radius small enough (<10 μm) to be below the sensitivity threshold of the material. Then, the notch confounds with a sharp crack. Alternatively, it is proposed in this work to bring a correction to the measured fracture toughness depending on the notch-root radius. No restriction is brought to this radius except that it must be small compared to the notch length.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Journal of the European Ceramic Society - Volume 26, Issue 8, 2006, Pages 1421–1427
Journal: Journal of the European Ceramic Society - Volume 26, Issue 8, 2006, Pages 1421–1427
نویسندگان
D. Picard, D. Leguillon, C. Putot,