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Acoustic wave detection of laser shock peening
Wu JJ(吴嘉俊)1,2,3; Zhao JB(赵吉宾)1,2; Qiao HC(乔红超)1,2; Liu, Xuejun1,4; Zhang YN(张旖诺)1,2,3; Hu TY(胡太友)1,2,3
Department装备制造技术研究室
Source PublicationOpto-Electronic Advances
ISSN2096-4579
2018
Volume1Issue:9Pages:1-5
Indexed BySCI
WOS IDWOS:000526114300002
Contribution Rank1
Funding OrganizationNational Natural Science Foundation of China (51501219) ; National Key Development Program of China (2016YFB1192704) ; NSFC-Liaoning Province United Foundation (U1608259) ; National Key Technology Research and Development Program of the Ministry of Science and Technology of China (2015BAF08B01-01)
Keywordlaser shock peening acoustic wave laser pulse energy surface residual stress acoustic wave signal energy online detection
Abstract

In order to overcome the existing disadvantages of offline laser shock peening detection methods, an online detection method based on acoustic wave signals energy is provided. During the laser shock peening, an acoustic emission sensor at a defined position is used to collect the acoustic wave signals that propagate in the air. The acoustic wave signal is sampled, stored, digitally filtered and analyzed by the online laser shock peening detection system. Then the system gets the acoustic wave signal energy to measure the quality of the laser shock peening by establishing the correspondence between the acoustic wave signal energy and the laser pulse energy. The surface residual stresses of the samples are measured by X-ray stress analysis instrument to verify the reliability. The results show that both the surface residual stress and acoustic wave signal energy are increased with the laser pulse energy, and their growth trends are consistent. Finally, the empirical formula between the surface residual stress and the acoustic wave signal energy is established by the cubic equation fitting, which will provide a theoretical basis for the real-time online detection of laser shock peening.

Language英语
Citation statistics
Document Type期刊论文
Identifierhttp://ir.sia.cn/handle/173321/23809
Collection智能产线与系统研究室
Corresponding AuthorZhao JB(赵吉宾)
Affiliation1.Manufacturing Technology Department, Shenyang Institute of Automation, Chinese Academy of Sciences, Shenyang 110016, China
2.Institutes for Robotics and Intelligent Manufacturing, Chinese Academy of Sciences, Shenyang 110016, China
3.School of Engineering Sciences, University of Chinese Academy of Sciences, Beijing 100049, China
4.School of Computer, Hunan University of Technology, Zhuzhou 412007, China
Recommended Citation
GB/T 7714
Wu JJ,Zhao JB,Qiao HC,et al. Acoustic wave detection of laser shock peening[J]. Opto-Electronic Advances,2018,1(9):1-5.
APA Wu JJ,Zhao JB,Qiao HC,Liu, Xuejun,Zhang YN,&Hu TY.(2018).Acoustic wave detection of laser shock peening.Opto-Electronic Advances,1(9),1-5.
MLA Wu JJ,et al."Acoustic wave detection of laser shock peening".Opto-Electronic Advances 1.9(2018):1-5.
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