工业相控阵超声检测(phased array ultrasonic testing,简称PAUT)系统能有效遏制潜在的安全风险,在航空航天、特种设备制造及石油化工等关键行业发挥重要的作用.首先,阐述了 PAUT系统的信号采集与成像原理,介绍了通用的相控阵检测工艺优化和数据分析方法;其次,分析了近年来PAUT系统的前沿研究进展,涵盖其在非线性超声成像、超声导波、空耦超声、电磁超声和激光超声中的应用;然后,结合PAUT技术与结构健康监测(structural health monitoring,简称SHM),探讨了其在增材制造实时监测、低成本监测及云监测等方面的应用,并将植入式相控阵探头应用在智能材料监测中;最后,讨论了T业相控阵超声检测与监测系统面临的挑战及其向高性能化、智能化、多功能化和柔性化发展的趋势.
Advances and Challenges of Industrial Ultrasonic Phased Array Inspection and Monitoring Systems
Industrial phased array ultrasonic testing(PAUT)systems have played an important role in critical industries such as aerospace,special equipment manufacturing and petrochemical,effectively mitigating poten-tial safety risks.This paper first elucidates the principles of signal acquisition and imaging of PAUT systems and introduces general phased array testing process optimization and data analysis methods.Secondly,it analyzes the recent advancements in PAUT systems,covering their applications in nonlinear ultrasonic imaging,ultra-sonic guided wave,air-coupled ultrasound,electromagnetic acoustic transducer,and laser ultrasound,combin-ing PAUT technology with structural health monitoring(SHM),its applications in real-time monitoring of addi-tive manufacturing,low-cost monitoring and cloud monitoring are explored,with implantable phased array probes applied to smart material monitoring.Finally,it discusses the challenges faced by industrial phased array ultrasonic testing and monitoring systems and summarizes the trends towards high performance,intelligence,multi-functionality,and flexibility.
ultrasonic non-destructive testingphased array imagingbeamformingfull matrix capturestruc-tural health monitoring
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