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Ultrasonic Detection for Fiber Broken in Aero-Engine Integral Bladed Ring
Wu Yupeng1,2; Zhang Bo1; Li Jingming1; Zhang Shuangnan1; Wu Ying1; Wang Yumin1; Cai Guixi1
Corresponding AuthorZhang Bo(zb@imr.ac.cn)
2020-08-11
Source PublicationACTA METALLURGICA SINICA
ISSN0412-1961
Volume56Issue:8Pages:1175-1184
AbstractThe fiber fracture is a very dangerous defect in the aeroengine integral bladed rings which is manufactured by continuous SiC fibers-reinforced titanium alloy matrix composite (Ti-MMC). Currently the lack of an effective method for inspecting the fiber fracture seriously influences the quality control of the aeroengine integral bladed rings, therefore solving the problem of non-destructive testing for deep buried radial micro-cracks is an insurmountable barrier for the application of Ti-MMC integral bladed rings in aviation. In this work, based on the theory of ultrasonic head-waves, the refraction longitudinal waves with the proper angle generated by the creeping wave probe are propagated on the interface, which means the creeping wave with high energy is generated. The finite element simulation model of the creeping wave is established for inspecting the defect of SiC fibers breakage in Ti-MMC aero-engine bling structure. Based on the results of the finite element simulation, significant defect signal waves are generated in the water layer above the defect. After that, not only the ultrasonic propagation characteristics at the interface of multilayer media but also the diffraction phenomenon of the creeping wave when they encounter the broken wire defect are analyzed. And the detection signal amplitude is not only affected by the incident angle of the creeping probe but also is related to the thickness of titanium alloy. In order to receive the diffracted waves with high sensitivity, the assembled probe, which is composed by a creeping wave exciter (5 MHz, 20 degrees) and an immersion focusing sensor (5 MHz, diameter 6 mm), is specially designed and manufactured according to the results of the finite element simulation. In addition, the artificial sample with the broken fiber is prepared and then tested by the ultrasonic C-scan testing system with the assembled probe. The results show that the three-layer broken wire defects (the crack height is about 0.42 mm) with different depths in the artificial sample can be detected successfully. The C-scan results can match the defect positions of the artificial sample which means this detection method is valid. This method is simple, economical and fast, and is expected to solve the problem of nondestructive testing for broken wire in the deep embedded fiber ring in the Ti-MMC aero-engine bling structure.
Keywordintegral bladed ring continuous SiC fiber composite ultrasonic testing creeping wave
Funding OrganizationNational Natural Science Foundation of China ; Technology Innovation Project of Function Development of Instrument and Equipment, Chinese Academy of Sciences ; Natural Science Foundation of Liaoning Province
DOI10.11900/0412.1961.2019.00441
Indexed BySCI
Language英语
Funding ProjectNational Natural Science Foundation of China[51605468] ; Technology Innovation Project of Function Development of Instrument and Equipment, Chinese Academy of Sciences[Y8M1734171] ; Natural Science Foundation of Liaoning Province
WOS Research AreaMetallurgy & Metallurgical Engineering
WOS SubjectMetallurgy & Metallurgical Engineering
WOS IDWOS:000550617100013
PublisherSCIENCE PRESS
Citation statistics
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/139864
Collection中国科学院金属研究所
Corresponding AuthorZhang Bo
Affiliation1.Chinese Acad Sci, Inst Met Res, Shenyang 110016, Peoples R China
2.Univ Sci & Technol China, Sch Mat Sci & Engn, Shenyang 110016, Peoples R China
Recommended Citation
GB/T 7714
Wu Yupeng,Zhang Bo,Li Jingming,et al. Ultrasonic Detection for Fiber Broken in Aero-Engine Integral Bladed Ring[J]. ACTA METALLURGICA SINICA,2020,56(8):1175-1184.
APA Wu Yupeng.,Zhang Bo.,Li Jingming.,Zhang Shuangnan.,Wu Ying.,...&Cai Guixi.(2020).Ultrasonic Detection for Fiber Broken in Aero-Engine Integral Bladed Ring.ACTA METALLURGICA SINICA,56(8),1175-1184.
MLA Wu Yupeng,et al."Ultrasonic Detection for Fiber Broken in Aero-Engine Integral Bladed Ring".ACTA METALLURGICA SINICA 56.8(2020):1175-1184.
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