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Home  >  Journal list  >  MATERIALS TRANSACTIONS  >  Vol.53  No.4 (2012)  >  pp.604-609

MATERIALS TRANSACTIONS
<<Previous article Vol.53  No.4 (2012)   pp.604 - 609 Next article>>

Non-Destructive Evaluation of Weld Structure Using Ultrasonic Imaging Technique

Takahiro Ebuchi1), Junichi Kitasaka1) and Tatsuyuki Nagai1)
1) Non-destructive Inspection Co., Ltd.

The welding penetration depth and width measured by destructive inspection are very important items to evaluate welding quality. However, the destructive method has some limitations and disadvantages. In this study, ultrasonic measurement technique which can make the image of cross sectional macro structure non-destructively was investigated. As a result, it is concluded that signal processing of ultrasonic back scattering is effective to measure the penetration depth of welds.


Keyword:
ultrasonic, back scattering wave, signal processing, imaging, weld

Received: November 09, 2009
Accepted: October 29, 2011 , Published online: March 25, 2012
Copyright (c) 2012 The Japanese Society for Non-Destructive Inspection

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