Monitoring of out-of-autoclave BMI composites using fiber optic sensors

Sudharshan Anandan; Sriram Nagarajan; Amardeep Kaur; K. Chandrashekhara; Hai Xiao

doi:10.1117/12.2009873

16 April 2013 Monitoring of out-of-autoclave BMI composites using fiber optic sensors

Sudharshan Anandan, Sriram Nagarajan, Amardeep Kaur, K. Chandrashekhara, Hai Xiao

Proceedings Volume 8694, Nondestructive Characterization for Composite Materials, Aerospace Engineering, Civil Infrastructure, and Homeland Security 2013; 86940M (2013) https://doi.org/10.1117/12.2009873
Event: SPIE Smart Structures and Materials + Nondestructive Evaluation and Health Monitoring, 2013, San Diego, California, United States

Abstract

Bismaleimide (BMI) composites are used in applications that require good mechanical properties at high temperatures. In this paper, a Non-destructive inspection technique for BMI composites which can be used at high temperatures is presented. Cavity based External Fabry-Perot Interferometer (EFPI) optical sensors have been developed and embedded in the laminates. These sensors are capable of operating in temperatures up to 800°C. The embedded sensors are used to perform real time cure monitoring of a BMI composite. The composite is cured using an out-of-autoclave (OOA) process. Once the composite is cured, the same sensors are used to measure mechanical performance of the laminate. The performance of the embedded sensor is investigated under tensile loading at room temperature as well as elevated temperatures.

Citation Download Citation

Sudharshan Anandan, Sriram Nagarajan, Amardeep Kaur, K. Chandrashekhara, and Hai Xiao "Monitoring of out-of-autoclave BMI composites using fiber optic sensors", Proc. SPIE 8694, Nondestructive Characterization for Composite Materials, Aerospace Engineering, Civil Infrastructure, and Homeland Security 2013, 86940M (16 April 2013); https://doi.org/10.1117/12.2009873

ACCESS THE FULL ARTICLE

INSTITUTIONAL
Select your institution to access the SPIE Digital Library.

SELECT YOUR INSTITUTION

PERSONAL
Sign in with your SPIE account to access your personal subscriptions or to use specific features such as save to my library, sign up for alerts, save searches, etc.

PERSONAL SIGN IN

No SPIE Account? Create one

PURCHASE THIS CONTENT

SUBSCRIBE TO DIGITAL LIBRARY

50 downloads per 1-year subscription

Members: $195

Non-members: $335 ADD TO CART

25 downloads per 1 - year subscription

Members: $145

Non-members: $250 ADD TO CART

PURCHASE SINGLE ARTICLE

Includes PDF, HTML & Video, when available