Measurement Of Deformation Of High Modulus Fibres And Composites Using Raman Microscopy

R J Day; M Zakikhani; R J Young; I M Robinson

doi:10.1117/12.945607

3 October 1988 Measurement Of Deformation Of High Modulus Fibres And Composites Using Raman Microscopy

R J Day, M Zakikhani, R J Young, I M Robinson

Proceedings Volume 0918, Applications of Infrared Technology; (1988) https://doi.org/10.1117/12.945607
Event: Sira/SPIE Infrared Meeting, 1988, London, United Kingdom

Abstract

This paper reports the use of Raman microscopy to investigate the deformation properties of fibres and of composites. In the past the authors and others have found that the Raman active bands of high modulus fibres can be sensitive to the level of strain in the fibre. Such fibres include polydiacetylene single crystalsl-3 , carbon fibres6, Kevlar5, poly(p-phenylene benzobisthiazole) (PBT) fibres6, poly(p-phenylene benzobisoxazole) (PBO) fibres' and silicon carbide fibres8. Two types of applications are discussed here. The first is to follow the deformation of individual bonds in a single fibre. The second is the use of this information to investigate the micromechanics of composites reinforced with such fibres. That the technique is applicable to composites is well established9 and so here we concentrate on some latter results.

Citation Download Citation

R J Day, M Zakikhani, R J Young, and I M Robinson "Measurement Of Deformation Of High Modulus Fibres And Composites Using Raman Microscopy", Proc. SPIE 0918, Applications of Infrared Technology, (3 October 1988); https://doi.org/10.1117/12.945607

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