کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
821082 1469553 2010 5 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Composites with needle-like inclusions exhibiting negative thermal expansion: A preliminary investigation
موضوعات مرتبط
مهندسی و علوم پایه سایر رشته های مهندسی مهندسی (عمومی)
پیش نمایش صفحه اول مقاله
Composites with needle-like inclusions exhibiting negative thermal expansion: A preliminary investigation
چکیده انگلیسی

In this work a simple cylindrical structure with a stiff needle-like inclusion embedded within a much softer matrix is presented and analysed with the aim of obtaining a system with tunable thermal expansion properties. It is shown that by the correct combination of the thermal and mechanical properties of the matrix and inclusion, it is possible to design a system which can be tailor-made to exhibit particular values of the coefficient of thermal expansion (CTE) in the radial direction and also negative thermal expansion (NTE). In particular an analytical model to quantify the radial strain with changes in temperature is derived and verified through finite element analysis. The model is used to find correct property combinations which lead to particular values of thermal expansion which could also be negative or zero.

ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Composites Science and Technology - Volume 70, Issue 16, 31 December 2010, Pages 2248–2252
نویسندگان
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