Introduction

At present, he is mainly engaged in the research of new ultrasonic non-destructive testing and monitoring, ultrasonic biological effects, and biomedical imaging. The research content includes ultrasonic transducers, instruments, imaging and signal processing algorithms and other related technologies. He has published nearly 50 SCI papers and applied for/authorized more than 60 patents; he has presided over the compilation of the national machinery industry standard JB/T11731 "Non-destructive Testing-General Technical Conditions for Ultrasonic Phased Array Probes", which has been approved by many national and military standards. Referenced by and the industry standard; as the main drafter of the national standard GB/T 32563-2016 "Non-destructive Testing-Ultrasonic Phased Array Testing Method" and the National Boiler and Pressure Vessel Standards Committee NB-T-47013.15 "Ultrasonic Phased Array Testing Method" 》 standard, which has promoted the development of domestic ultrasonic phased array detection technology. A number of ultrasonic transducers and phased array imaging patent technologies have been effectively transformed, and the series of piezoelectric composite probes and fully focused ultrasonic phased array instruments have been developed to achieve large-scale industrial applications, including aerospace, high-speed rail, nuclear power, etc. industry, among which the application of high-speed rail wheelset and hollow shaft detection probe covers the whole country.

As the project leader, he has undertaken major national/provincial projects such as the National Major Scientific Instrument and Equipment Development Project, the National Science and Technology Support Program, and the Guangdong Pearl River Talent Plan Innovation Team Project. He is the chairman of the Ultrasonic Transducer and Materials Special Committee of the Ultrasound Branch of the China Medical Equipment Association, and the vice chairman of the Ultrasound Special Committee of the Chinese Society for Nondestructive Testing. Won the first prize of Science and Technology of China Special Equipment Inspection Association in 2018 (ranked fourth), and won the Science and Technology Achievement Award of China Instrument and Control Society in 2013 (ranked first).

Research direction

• Design and fabrication of high-frequency ultrasonic transducers and MEMS ultrasonic devices;

• Laser Ultrasonic Air Coupling Detection;

• High Frequency Array Ultrasound Microscopy and Ultrasonic Mechanical Effects;

• High Power Ultrasound Transducer Array and Ultrasound Biological Effects;

• Ultrasound Imaging and Functional Imaging

Social duties

• Chairman of the Ultrasonic Transducer and Materials Professional Committee of the Ultrasound Branch of the China Medical Equipment Association;

• Deputy Director of Ultrasonic Committee of China Society for Nondestructive Testing;

• Member of the Instrument Development Committee of the Chinese Society of Ultrasound Medical Engineering;

• Member of TC183/SC19 Standardization Committee of Steel Products Nondestructive Testing Branch;

• Member of the International Organization for Standardization ISO TC135/SC3

Longitudinal scientific research projects/projects hosted or participated in in the past five years

• Sub-topic of key research project, prototype of a certain equipment principle, 2020-12 to 2022-12, 660,000 yuan, under research, in charge.

• Guangdong Province "Pearl River Talent Program" Innovation and Entrepreneurship Team, 2016ZT06G375, Research and industrialization of high-end equipment manufacturing process and in-service ultrasonic nondestructive testing and monitoring technology, 2017-07 to 2022-06, 10 million yuan, under research, in charge.

• General Project of National Natural Science Foundation of China, 51975131, Research on Fresnel Array Ultrasonic Microscope Transducer for Stress-Free Machining of Single Crystal Composites, 2020-01-01 to 2023-12-31, 600,000 yuan, under research, in charge.

• Ministry of Science and Technology, National Major Scientific Instrument and Equipment Development Project, 2013YQ230575, Development and Industrialization of New Ultrasonic Phased Array Instruments, 2013-01 to 2021-07, 21.57 million yuan, Concluded, Principal.

• Ministry of Science and Technology, National Science and Technology Support Program of the 12th Five-Year Plan, 2012BAI13B01, Research and Development of New Piezoelectric Single Crystal Composite Materials and Ultrasonic Probes Based on New Materials, 2013-01 to 2016-01, 8.61 million yuan, finalized, presided over.

Representative papers

1. Xiaopeng Zhuang; Jiaru He; Junwei Wu; Xuanrong Ji*; Yan Chen; Maodan Yuan;Lvming Zeng; A Spatial Multi-Target Ultrasound Neuromodulation System Using High-Powered 2-D Array Transducer, IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control, 2022
2. Jiaru He; Junwei Wu; Yiyue Zhu; Yan Chen; Maodan Yuan;Lvming Zeng; Xuanrong Ji*; Multi-target Transcranial Ultrasound Therapy in Small Animals Based on Phase-only Acoustic Holographic Lens, IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control, 2021, 69(02):662-671
3. Lvming Zeng; Baoding Wang; Xu Liu; Junwei Wu; Lijun Deng; Maodan Yuan; Yan Chen; Yu Deng; Yongkang Zhang; Xuanrong Ji*;High-resolution air-coupled laser ultrasound imaging of microstructure and defects in braided CFRP, COMPOSITES COMMUNICATIONS, 2021, 28: 0-100915
4. Lijun Deng; Xingdao He; Jian Zhang; Guodong Liu; Song Han; Yimin Lou; Lvming Zeng;Xuanrong Ji*; Ultra-compact micro-photoacoustic tomography for brain imaging in vivo, Applied Physics Letters, 2021, 119(21): 0-213701
5. Xuanrong Ji*, S Yang, D Xing.(2015).Intravascular confocal photoacoustic endoscope with dual-element ultrasonic transducer, Optics express 23 (7), 9130-9136
6. Xuanrong Ji*, S Yang.(2010).Multi-element synthetic aperture focusing photoacoustic imaging system with real-time digital beamformer technique, The European Physical Journal Applied Physics 52 (03), 30901
7. Yongkang Zhang, Xuanrong Ji*, Q Zhou, D Xing.(2014).Characterization of lipid-rich aortic plaques by intravascular photoacoustic tomography: ex vivo and in vivo validation in a rabbit atherosclerosis model with histologic correlation, Journal of the American College of Cardiology 64 (4), 385-390
8. Yan Chen ; Xiulan Bao; Chi Man Wong; Jian Cheng; Haidong Wu; Haizhu Song; Xuanrong Ji*; Shanghua Wu; PZT ceramics fabricated based on stereolithography for an ultrasound transducer array application, Ceramics International, 2018, 44(18): 22725-22730
9. Zhihong Lei; Yan Chen; Guisheng Xu; Jinfeng Liu; Maodan Yuan; Lvming Zeng;Xuanrong Ji*; Dawei Wu; Micromachining of High Quality PMN-31%PT Single Crystals for High-Frequency (> 20 MHz) Ultrasonic Array Transducer Applications, Micromachines, 2020, 11(5): 0-512
10. Yan Chen; Donglai Zhang; Zhong Peng; Maodan Yuan; Xuanrong Ji*; Review of Research on the Rare-Earth Doped Piezoelectric Materials, Frontiers in Materials, 2021, 8: 0-679167
11. L Li, Z Xu, S Xia, Z Li, Xuanrong Ji*, S Long.(2013).PIN-PMN-PT Single-crystal-based 1–3 piezoelectric composites for ultrasonic transducer applications, Journal of electronic materials 42 (8), 2564-2569
12. Research Progress of Passive Acoustic Materials for Thickness Mode Piezoelectric Ultrasonic Transducers[J]. Yan Chen, Xingugo lin,Ming Li, Maodan Yuan,Xuanrong Ji*. Applied Acoustics: 1-14
13. Maodan Yuan; Anbang Dai; Lin Liao;Yan Chen; Xuanrong Ji*; Numerical study on surfaceroughness measurement based on nonlinear ultrasonics in through-transmission and pulse-echo modes, Materials, 2021, 14(17): 0-4855
14. Research on single-mode excitation technology of medium and high frequency ultrasonic guided waves in rails [J]. Lin Liao, Maodan Yuan,Xuanrong Ji*, Anbang Dai. Chinese Journal of Mechanical Engineering, 2021, 57(18): 23-31.
15. Nondestructive Characterization of Elastic Constants of Selective Laser Melting 316L Parts Based on Dual Mode Ultrasonic Transducers, Anbang Dai, Maodan Yuan, Junwei Wu, Jian Hu, Xuanrong Ji*. Chinese Journal of Instrumentation, 2021,42, 8.

contact details：xr.ji@gdut.edu.cn