Open AccessUltrasonic testing of thin-walled titanium weld joint with adhesion detector
Author(s) -
R. R. Iskhuzhin,
В. Н. Борисов,
V. G. Atavin,
A. A. Uzkikh,
K. K. Khafizova
Publication year - 2020
Publication title -
journal of physics. conference series
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.21
H-Index - 85
eISSN - 1742-6596
pISSN - 1742-6588
DOI - 10.1088/1742-6596/1636/1/012004
Subject(s) - ultrasonic sensor , joint (building) , materials science , welding , ultrasonic testing , acoustics , detector , nondestructive testing , signal (programming language) , structural engineering , composite material , computer science , engineering , physics , telecommunications , quantum mechanics , programming language
The paper has summarized ultrasonic testing methodology for 0.6-mm thin-walled titanium weld joints. Aspects of adhesion detection (weld joint areas with incomplete fusion, which are good at conducting ultrasonic waves but bad at providing mechanical resistance) are considered. It is proposed that an angular cavity can be used as an indicator of incomplete fusion in the weld joint. Various modes of Lamb waves and their propagation in the material were analyzed and the optimum testing parameters were selected. Wavelet-analysis and precision digital filters with a small increment allowed great informative value of the wave signal to be achieved. The results of ultrasonic scanning were compared to the data obtained in metallographic study.