Application of ultrasonic guided waves for non-destructive testing of large and complex geometry engineering structures

摘要：

　　The wide group of large engineering constructions made from welded metal components and modem composite materials during daily exploitation under non-stationary loads,continuous influence of vibrations and complicated environmental conditions have demand of periodical tests in order to avoid appearance and evolution of the defects.All of them have one common feature-large areas to be tested and the complex geometry.The objective is to improve air-coupled and contact type testing techniques for excitation and reception of appropriate modes of ultrasonic guided waves in large and complex structures.Also, to develop inspection techniques which enable to detect required types of internal defects.The air-coupled and contact ultrasonic techniques for investigation of large and complex geometry objects, such as composites for aerospace applications and petroleum tanks, have been developed.The investigation of propagation effects of ultrasonic guided (Lamb) waves in the plates of the tank floor has indicated relation between reconstructed properties of guided waves and expected presence of corrosion deposits.

关键词： non-destructive testing inspection ultrasonic guided waves air coupled engineering structures composite materials petroleum tank

作者: Renaldas Rai(s)utis Rymantas Ka(z)ys Liudas Ma(z)eika Egidijus (Z)ukauskas Reimondas (S)literis Alfonsas Vladi(s)auskas

作者单位: Ultrasound Institute, Kaunas University of Technology, Kaunas, Lithuania

会议类型: 国际会议

会议名称: The 28th International Conference on Vibroengineering (第28届国际振动工程会议)

会议地点: 北京

会议语种:英文

页码: 87-90

在线出版日期: 2017-10-19（万方平台首次上网日期，不代表论文的发表时间）