Patent
3d ultrasonographic device
Kazuo I.P.Div. Toshiba Corp. Hiyama,Takahiro Ikeda,Motohisa Abe,Hirokazu Karasawa,Masahiro Katayama +4 more
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TLDR
In this article, a three-dimensional ultrasonic inspection apparatus is described, which includes an ultrasonic sensor as a transducer, in which a plurality of piezoelectric vibrators are disposed in a matrix or an array.Abstract:
A three-dimensional ultrasonic inspection apparatus includes: a sensing device for ultrasonic inspection including an ultrasonic sensor as a transducer, in which a plurality of piezoelectric vibrators are disposed in a matrix or an array; a drive element selecting unit for selecting and driving a piezoelectric vibrator for producing an ultrasonic wave among the ultrasonic transducer; a signal detecting circuit for detecting the electric signal of the reflected echo by receiving the reflected echo from the joined area; a signal processing unit for subjecting the electric signal to signal processing and generating three-dimensional imaging data by causing the electric signals to correspond to mesh elements in a three-dimensional imaging region of the object to be inspected; and a display processing device for displaying the detection results and three-dimensional image data from the signal processing unit, while detecting the size and the position of the molten-solidified portion, and the size and the position of the weld defect of the joined area, from the intensity distribution of the three-dimensional imaging data generated by the signal processing unit.read more
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Patent
Method and system for assessing quality of spot welds
TL;DR: In this article, a system and method for assessing the quality of spot weld joints between pieces of metal includes an ultrasound transducer probing a spot weld joint, receiving corresponding echoes, and transforms the echoes into electrical signals.
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