کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
10425406 | 906830 | 2005 | 13 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Controlling thermal expansion to obtain negative expansivity using laminated composites
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
سایر رشته های مهندسی
مهندسی (عمومی)
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چکیده انگلیسی
It is confirmed, by considering a wide range of laminated composites containing a variety of fibres and matrices, that negative thermal expansion coefficients may be obtained. These are usually accompanied by a correspondingly large value of the in-plane axial Poisson's ratio (PR). By making use of this large PR extremely negative values of expansivity may be obtained - much further negative than for any monolithic materials. The use of laminated composites also overcomes some of the previously reported limitations of a device to control thermal expansion when made with monolithic materials. The use of the device, as a platform to control the expansivity of an optical fibre containing a Bragg grating, is discussed in detail and it is shown that the required negative expansivity of â10â5 Kâ1 may easily be obtained with a number of composite systems.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Composites Science and Technology - Volume 65, Issue 1, January 2005, Pages 47-59
Journal: Composites Science and Technology - Volume 65, Issue 1, January 2005, Pages 47-59
نویسندگان
A. Kelly, L.N. McCartney, W.J. Clegg, R.J. Stearn,