On Young’s modulus profile across anisotropic nonhomogeneous polymeric fibre using automatic transverse interferometric method

This paper provides the Young’s modulus profile across anisotropic nonhomogeneous polymeric fibre using an accurate transverse interferometric method. A mathematical model based on optical and tensile concepts is presented to calculate the mechanical parameter profiles of fibres. The proposed model...

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Bibliographic Details
Published in:Optics and lasers in engineering 2012-09, Vol.50 (9), p.1223-1229
Main Authors: Sokkar, T.Z.N., Shams El-Din, M.A., El-Tawargy, A.S.
Format: Article
Language:English
Subjects:
Fibers
Fibre
Fibres
Interferometry
Mach–Zehnder interferometer
Mathematical analysis
Mathematical models
Modulus of elasticity
Polypropylene fibres
Polypropylenes
Recycled
Refractive index profile
Young’s modulus profile
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Summary:This paper provides the Young’s modulus profile across anisotropic nonhomogeneous polymeric fibre using an accurate transverse interferometric method. A mathematical model based on optical and tensile concepts is presented to calculate the mechanical parameter profiles of fibres. The proposed model with the aid of Mach–Zehnder interferometer combined with an automated drawing device are used to determine the Young’s modulus profiles for three drawn polypropylene (PP) fibres (virgin, recycled and virgin recycled 50/50). The obtained microinterferograms are analyzed automatically using fringe processor programme to determine the phase distribution. ► A new method is proposed to get Young’s modulus profile. ► The Mach–Zehnder interferometer and an automated drawing device are used. ► The method is based on optical and tensile concepts. ► The method is applied on three different polypropylene fibres. ► The obtained profiles have suitable accuracy compared with other previous works.
ISSN:0143-8166
1873-0302
DOI:10.1016/j.optlaseng.2012.03.017