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Monitoring manufacturing of composites using embedded distributed optical fibre sensors

Martínez Sánchez, D.; Gresil, M.; Soutis, C

In: 10th International Workshop on Structural Health Monitoring: 10th International Workshop on Structural Health Monitoring; 01 Sep 2015-04 Sep 2015; Stanford, CA, USA. Stanford; 2015.

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Abstract

After manufacturing a composite element, it is expected to have residual stresses which affect the quality and the mechanical properties of the composite. In the present work, a distributed optical fibre sensor (DOFS) was embedded in a carbon fibre panel, measuring the development of residual stresses by monitoring in real-time the manufacturing process, from the resin infusion to the curing cycle, and the changes experienced within. An optical sensor interrogator detects and measures changes in strain and temperature along the DOFS with high precision and accuracy, making it possible to obtain a full strain/temperature profile. Data acquired from the embedded sensor led to track and characterize the strain profile at every stage of the manufacture process.

Bibliographic metadata

Type of resource:
Content type:
Type of conference contribution:
Publication date:
Conference title:
10th International Workshop on Structural Health Monitoring
Conference venue:
Stanford, CA, USA
Conference start date:
2015-09-01
Conference end date:
2015-09-04
Place of publication:
Stanford
Abstract:
After manufacturing a composite element, it is expected to have residual stresses which affect the quality and the mechanical properties of the composite. In the present work, a distributed optical fibre sensor (DOFS) was embedded in a carbon fibre panel, measuring the development of residual stresses by monitoring in real-time the manufacturing process, from the resin infusion to the curing cycle, and the changes experienced within. An optical sensor interrogator detects and measures changes in strain and temperature along the DOFS with high precision and accuracy, making it possible to obtain a full strain/temperature profile. Data acquired from the embedded sensor led to track and characterize the strain profile at every stage of the manufacture process.

Institutional metadata

University researcher(s):

Record metadata

Manchester eScholar ID:
uk-ac-man-scw:272424
Created by:
Gresil, Matthieu
Created:
8th September, 2015, 12:37:46
Last modified by:
Gresil, Matthieu
Last modified:
8th September, 2015, 12:52:14

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