2505 Michelson干渉光ファイバセンサによるFRP接着継手のヘルスモニタリング(J10-1 計測・モニタリング・解析(1),J10 知的材料・構造システム)

概要

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In the present study, a health monitoring system for adhesively bonded FRP joints was investigated which used a Michelson optical fiber interferometer. In this system, the sensors with different gage lengths are embedded into the FRP adherend at the end of bonded part and measure the strains in that part. Single lap joint specimens were used whose adherends were an aluminum alloy plate a GFRP laminate including the Michelson sensors. Under tensile loading, the ability of strain measurement at the bonded part was examined for the monitoring system devised in this study. Strain analysis by FEM was also performed to compare the calculated strain distributions and the strain outputs from the Michelson sensors. The results in this study showed that the present monitoring system had the ability to measure the strain distribution at the end of the bonded part in the FRP bonded joints and for their health monitoring.
一般社団法人日本機械学会の論文
2007-09-07