碳纖維復(fù)合材料激光超聲可視化檢測系統(tǒng)設(shè)計研究
發(fā)布時間:2018-11-09 16:10
【摘要】:針對碳纖維復(fù)合材料的快速可視化檢測,分析了激光超聲可視化檢測系統(tǒng)的原理.采用掃描激光方式,根據(jù)超聲傳播的可逆性原理,設(shè)計了結(jié)構(gòu)簡單、操作簡便的碳纖維復(fù)合材料快速激光超聲可視化檢測系統(tǒng),并進行了實驗研究.實驗結(jié)果表明,激光超聲可視化檢測系統(tǒng)能有效用于碳纖維復(fù)合材料結(jié)構(gòu)的缺陷檢測,且準(zhǔn)確性高,檢測速度快,單次檢測僅需幾十微秒.檢測結(jié)果直觀,可實時動態(tài)展示構(gòu)件內(nèi)部缺陷,也可對超聲傳播信息按時間幀回放、選取,利于分析缺陷的位置和尺寸.該系統(tǒng)易于實現(xiàn)完全非接觸式檢測,適合碳纖維復(fù)合材料結(jié)構(gòu)的實時在線監(jiān)測.
[Abstract]:The principle of laser ultrasonic visual testing system is analyzed for the rapid visual detection of carbon fiber composites. Based on the principle of reversibility of ultrasonic propagation, a rapid laser ultrasonic visual detection system for carbon fiber composites was designed by using scanning laser, and the experimental study was carried out. The experimental results show that the laser ultrasonic visual detection system can be effectively used in the defect detection of carbon fiber composite structures, and the accuracy is high, the detection speed is fast, and the single detection takes only a few tens of microseconds. The detection result is intuitionistic and can dynamically display the internal defect of the component in real time. It can also play back and select the ultrasonic propagation information according to the time frame, which is helpful to analyze the position and size of the defect. The system is easy to realize complete non-contact detection and is suitable for real-time on-line monitoring of carbon fiber composite structures.
【作者單位】: 西安工程大學(xué)機電工程學(xué)院;武警工程大學(xué)裝備工程學(xué)院;
【基金】:國家自然科學(xué)基金(No.51305458) 陜西省教育廳科學(xué)研究項目基金(No.16JK1339)資助
【分類號】:TN249
本文編號:2320905
[Abstract]:The principle of laser ultrasonic visual testing system is analyzed for the rapid visual detection of carbon fiber composites. Based on the principle of reversibility of ultrasonic propagation, a rapid laser ultrasonic visual detection system for carbon fiber composites was designed by using scanning laser, and the experimental study was carried out. The experimental results show that the laser ultrasonic visual detection system can be effectively used in the defect detection of carbon fiber composite structures, and the accuracy is high, the detection speed is fast, and the single detection takes only a few tens of microseconds. The detection result is intuitionistic and can dynamically display the internal defect of the component in real time. It can also play back and select the ultrasonic propagation information according to the time frame, which is helpful to analyze the position and size of the defect. The system is easy to realize complete non-contact detection and is suitable for real-time on-line monitoring of carbon fiber composite structures.
【作者單位】: 西安工程大學(xué)機電工程學(xué)院;武警工程大學(xué)裝備工程學(xué)院;
【基金】:國家自然科學(xué)基金(No.51305458) 陜西省教育廳科學(xué)研究項目基金(No.16JK1339)資助
【分類號】:TN249
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