Strain measurement of braided composites using cobraided AEFPI fiber optic sensors

Shengfang Yuan; Yunjang Rao; Rui Huang; Dakai Liang; Xiangkai Zhen; Yiping Wang

doi:10.1117/12.444598

11 October 2001 Strain measurement of braided composites using cobraided AEFPI fiber optic sensors

Shengfang Yuan, Yunjang Rao, Rui Huang, Dakai Liang, Xiangkai Zhen, Yiping Wang

Proceedings Volume 4604, Fiber Optic Components, Subsystems, and Systems for Telecommunications; (2001) https://doi.org/10.1117/12.444598
Event: International Symposium on Optoelectonics and Microelectronics, 2001, Nanjing, China

Abstract

In this article, a new method is put forward to research mechanical features of braided material using co-braided optic fiber sensor. Optic fiber sensors can be multi-braided into composites to measure various internal parameters, which overcomes the drawback of ordinary mechanical experimental methods and makes measurement more accurate and reliable. Followings are introduced in detail: the devising of carbon fiber braided composite specimens with co-braided optic, the AEFPI optic sensor adopted and the experiments to measure the tensile strain and thermal strain of specimens. It is the first time to use co-braided AEFPI sensor to research the mechanical features of brading composites and experiment results are satisfying.

Citation Download Citation

Shengfang Yuan, Yunjang Rao, Rui Huang, Dakai Liang, Xiangkai Zhen, and Yiping Wang "Strain measurement of braided composites using cobraided AEFPI fiber optic sensors", Proc. SPIE 4604, Fiber Optic Components, Subsystems, and Systems for Telecommunications, (11 October 2001); https://doi.org/10.1117/12.444598

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