Nonlinearity detection and dynamic characterisation of aramid and silicon carbide fibres
by Luca Zanotti Fragonara; Elena Pinotti; Rosario Ceravolo; Cecilia Surace; Andrea De Marchi
International Journal of Lifecycle Performance Engineering (IJLCPE), Vol. 2, No. 1/2, 2016

Abstract: The deployment of fibres made of high performance materials such as aramid polymers is spreading in many different engineering applications. Thanks to their excellent mechanical properties, they are being applied also in the structural field. The question that prompted this study is whether nonlinearity can be used for assessing structural damage in aramid fibres. The idea was to detect weak nonlinearities in the dynamic response measured on fibres and ropes, and to look for correlations with damaged samples of the material. Positive results would usher the possibility of using such quantity as an indicator for evaluating the residual life span of aramid elements, cables and ropes. In order to investigate the sensitivity of this approach, nonlinear characterisation tests were carried out on aramid fibres by applying sweep-sine excitations at different loading levels. In order to have a comparison term and to test the setup machine, a similar characterisation procedure was also applied to fibres made with a different high performance material: silicon carbide.

Online publication date: Wed, 08-Mar-2017

The full text of this article is only available to individual subscribers or to users at subscribing institutions.

 
Existing subscribers:
Go to Inderscience Online Journals to access the Full Text of this article.

Pay per view:
If you are not a subscriber and you just want to read the full contents of this article, buy online access here.

Complimentary Subscribers, Editors or Members of the Editorial Board of the International Journal of Lifecycle Performance Engineering (IJLCPE):
Login with your Inderscience username and password:

Username:        Password:          Forgotten your password?

Want to subscribe?
A subscription gives you complete access to all articles in the current issue, as well as to all articles in the previous three years (where applicable). See our Orders page to subscribe.

If you still need assistance, please email subs@inderscience.com