Bragg光栅传感器在复合材料加工与检测中的应用

本文介绍了Bragg光栅传感器的结构和工作原理。将Bragg光栅传感器埋入增强体内，通过VARTM成型制作了复合材料。利用SM130光纤光栅解调器，通过收集光的波长的变化来对复合材料的加工工艺进行了在线监测；对埋入光纤光栅传感器的复合材料进行了拉伸试验，通过波长的变化来计算材料在拉伸过程中的受力变化，并与常规的拉伸试验进行了对比，两者所测得的力是基本一样的，所以证明了通过光纤光栅传感器可以进行复合材料的健康监测，并且可疑对大型复合材料的加工、使用实施在线监控。

Application of Fiber Bragg Grating Sensor in Composite Manufacturing and Health Monitoring

The structure and working principle of the FBG sensor is introduced.The sensor was embedded into the composite material via Vacuum-assisted Resin Transfer Molding(VARTM) process.The manufacturing process was monitored by the SM130 FBG demodulator.By collecting the change of the wavelength of light,do the on-line monitoring of composite materials' processing technology.Calculate the material's intensity changing in the tensile test by the changes in wavelength. The tensile tests was conducted on the composit...