Condition monitoring of teztiles using optical techniques

In the paper it is proposed to use fibre Bragg grating (FBG) sensors to monitor the deformation and strain in a woven textile.Non-contact digital image correlation (DIC) is used to validate the results.The principal objective of the work in this paper is to identify a suitable adhesive for attaching the FBG sensors to tapestries and textiles.To do this,the interfacial interactions of the optical fibre,the textile material and the necessary adhesive must be considered.The performance of two types of adhesive are studied: a PVA conservation adhesive and a two-part epoxy adhesive Araldite 2015.The effect of the application of the adhesives on the mechanical response of the textile is investigated.Full-field stain maps are obtained from the DIC and are used as the basis to characterise the behaviour of the FBG sensors/adhesive system.The strain transfer coefficients and a reinforcement factor are determined under quasi-static conditions.It is shown that the local reinforcement introduced is more significant in the specimen with the FBG bonded using the Araldite adhesive than those with conservation adhesives.Nevertheless,the Araldite adhesive has a better strain transfer coefficient than the conservation adhesive,although not as high as that expect with conventional engineering materials.
fibre Bragg grating sensors digital image correlation condition monitoring tapestry teztile
C.C.Ye J.M.Dulieu-Barton A.R.Chambers F.J.Leonard D.D.Eastop
Textile Conservation Centre,University of Southampton,UK School of Engineering Sciences,University of Southampton,UK
国际会议
The 8th International Conference on Damage Assessment of Structures(DAMAS 2009)(第八届结构损伤评价国际学术会议)
北京
英文
447-454
2009-08-03(万方平台首次上网日期,不代表论文的发表时间)