کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
1449591 988709 2007 7 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Overestimation of the interface thickness around convex-shaped grain by sectional analysis
موضوعات مرتبط
مهندسی و علوم پایه مهندسی مواد سرامیک و کامپوزیت
پیش نمایش صفحه اول مقاله
Overestimation of the interface thickness around convex-shaped grain by sectional analysis
چکیده انگلیسی

Sectional analysis is commonly used to characterize qualitatively and quantitatively the interfacial transition zone (ITZ) of concrete, especially its thickness. However, the normal of the sectioning plane is in general not perpendicular to the normal of the aggregate surface due to the irregularity of the shape of the aggregates. Therefore, the sectional approach overestimates ITZ thickness. Calculating the degree of overestimation is key to obtain a precise measure of ITZ thickness and therefore the influence of the ITZ on the macro-properties of composites. However, the irregularity of the aggregates makes this a difficult task. In this contribution, some related theorems and results from geometrical probability were used to study the relationship between the statistical value of the apparent ITZ thickness and actual ITZ thickness. General solutions are derived for an arbitrary convex-shaped aggregate grain for both two- and three-dimensional cases.

ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Acta Materialia - Volume 55, Issue 11, June 2007, Pages 3943–3949
نویسندگان
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