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Damage detection system for structural composite material and method of detecting damage to structural composite material

机译：用于结构复合材料的损伤检测系统和检测对结构复合材料的损伤的方法

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摘要

Damage caused to a structural composite material is detected while reduction in the strength thereof is prevented. A damage detection system 10 for a structural composite material includes a vibration application apparatus 20 including: a sheet body 22; a plurality of piezo elements 21 sprinkled throughout and held by the sheet body 22; and wires 23 for the piezo elements 21 provided to the sheet body 22. The damage detection system 10 also includes: a fiber optic sensor 30 which includes a grating portion 33 in a core portion 32 thereof, the grating portion 33 reflecting light of a predetermined wavelength; a light source to perform light irradiation onto the core portion 32; and a characteristic detection unit 42 to detect a characteristic of the light reflected from the grating portion 33.

机译：在防止结构强度降低的同时，检测对结构复合材料造成的损坏。用于结构复合材料的损伤检测系统 10 包括振动施加装置 20 ，该振动施加装置包括：片状体 22 ;多个压电元件 21 散布在整个板状体 22 中并由其支撑。设置在薄片主体 22 上的压电元件 21 的导线 23 。损坏检测系统 10 还包括：光纤传感器 30 ，该光纤传感器在芯部分 32 中包括光栅部分 33 。光栅部分 33 反射预定波长的光。在芯部 32 上进行光照射的光源。特征检测单元 42 检测从光栅部分 33反射的光的特征。 展开▼

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公开/公告号US7176448B2

专利类型

公开/公告日2007-02-13

原文格式PDF

申请/专利权人 TOSHIMICHI OGISU;MASAKAZU SHIMANUKI;NOBUO TAKEDA;
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申请/专利号US20040947312

发明设计人 TOSHIMICHI OGISU;NOBUO TAKEDA;MASAKAZU SHIMANUKI;
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申请日2004-09-23

分类号G01J1/04;

国家 US

入库时间 2022-08-21 21:01:02

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