کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
1449739 | 988713 | 2007 | 10 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Synergistic toughening mechanism in 3Y–TZP/Nb composites
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
مهندسی مواد
سرامیک و کامپوزیت
پیش نمایش صفحه اول مقاله
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چکیده انگلیسی
This paper focuses on the study of the flaw tolerance and resistance curve behaviour (R-curve) in 3Y–TZP/Nb composites containing indentation-induced small surface cracks. It has been found that toughening and resistance curve behaviour occurs as a result of the combined effects of crack bridging and transformation toughening. The ZrO2–Nb composites are described as synergistically toughened composites due to anticipated interactions between crack bridging and stress-induced phase transformation. It has been found that these interactions produce a notable increase in toughness (Kss ≈ 13 MPa m1/2) greater than the sum of the combination that would be provided separately by the two types of reinforcement.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Acta Materialia - Volume 55, Issue 17, October 2007, Pages 5924–5933
Journal: Acta Materialia - Volume 55, Issue 17, October 2007, Pages 5924–5933
نویسندگان
J.F. Bartolomé, C.F. Gutiérrez-González, C. Pecharromán, J.S. Moya,