کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
733088 893317 2007 9 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Detection of necking deformation along polypropylene fibres axis at low draw ratios using multiple-beam microinterferometry
کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه سایر رشته های مهندسی مهندسی برق و الکترونیک
پیش نمایش صفحه اول مقاله
Detection of necking deformation along polypropylene fibres axis at low draw ratios using multiple-beam microinterferometry
چکیده انگلیسی

A modified drawing device attached with an automated system for producing multiple-beam Fizeau fringes in transmission is used to study the mechanical deformation along polypropylene (PP) fibres at low draw ratios. Two drawing processes are used for drawing PP fibres. In the first process (fast drawing), the necking deformations are formed at draw ratios from 1.2 to 1.9 along the fibre axis. While in the other process (slow/step drawing), these deformations disappeared. The refractive indices calculated at different positions along the fibre axis during the fast- and slow-drawing processes. To overcome the formation of necking deformation along the PP fibres during fast-drawing process, the slow-drawing technique is recommended. Microinterferograms are given for illustration.

ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Optics & Laser Technology - Volume 39, Issue 4, June 2007, Pages 681–689
نویسندگان
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