Overall evaluation light-weight composite pressure vessel with alloy liner by acoustic emission and Bragg grating

Jun-qing Zhao; Xiao-dong He; Rong-guo Wang; Wen-bo Liu

doi:10.1117/12.2009952

11 April 2013 Overall evaluation light-weight composite pressure vessel with alloy liner by acoustic emission and Bragg grating

Jun-qing Zhao, Xiao-dong He, Rong-guo Wang, Wen-bo Liu

Author Affiliations +

Proceedings Volume 8694, Nondestructive Characterization for Composite Materials, Aerospace Engineering, Civil Infrastructure, and Homeland Security 2013; 86941U (2013) https://doi.org/10.1117/12.2009952
Event: SPIE Smart Structures and Materials + Nondestructive Evaluation and Health Monitoring, 2013, San Diego, California, United States

Abstract

Light-weight carbon fiber composite pressure vessel with inner thin-wall aluminum alloy liner has main problem of local buckling during manufacture and working process. The approach of acoustic emission and Bragg grating are adapted to monitoring the light-weight composite vessel under water pressure. Two channels of acoustic emission (AE) were bonded to front dome and cylinder to monitoring the performance of the vessel withstanding maximum 4.5MPa water pressure during loading, maintaining and unloading. Meantime six fiber Bragg sensors (FBG)were attached to front dome and cylinder of the outer surface by hoop and meridian direction respectively in order to monitor the vessel behavior. Analysis indicated Bragg sensors can evaluate outer surface behavior of the vessel with pressure. AE character parameters analysis illustrated the local buckling of inner thin-wall liner.

Citation Download Citation

Jun-qing Zhao, Xiao-dong He, Rong-guo Wang, and Wen-bo Liu "Overall evaluation light-weight composite pressure vessel with alloy liner by acoustic emission and Bragg grating", Proc. SPIE 8694, Nondestructive Characterization for Composite Materials, Aerospace Engineering, Civil Infrastructure, and Homeland Security 2013, 86941U (11 April 2013); https://doi.org/10.1117/12.2009952

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