DEVELOPMENT OF 3D PHASED ARRAY SYSTEM "3D FOCUS-UT"

被引：5
|
作者：
Baba, A. [1 ]
Kono, N. [1 ]
Kitazawa, S. [1 ]
Adachi, Y. [2 ]
Odakura, M. [3 ]
Kikuchi, O. [4 ]
机构：
[1] Hitachi Ltd, Energy & Environm Syst Lab, Tarrytown, NY 10591 USA
[2] Hitachi Ltd, Thermal & Hydroelect Syst QA Dept, Tarrytown, NY 10591 USA
[3] Hitachi GE Nucl Energy Ltd, Nucl Plant Serv QA Dept, Tarrytown, NY 10591 USA
[4] Hitachi Engn & Serv Ltd, Inspect Engn Div, Tarrytown, NY 10591 USA
来源：
REVIEW OF PROGRESS IN QUANTITATIVE NONDESTRUCTIVE EVALUATION, VOLS 29A AND 29B | 2010年 / 1211卷
关键词：
Ultrasonic Inspection; Three Dimensional Phased Array; Phased Array System;
D O I：
10.1063/1.3362531
中图分类号：
V [航空、航天];
学科分类号：
08 ; 0825 ;
摘要：
Ultrasonic phased array inspection systems have been used the in various industrial fields recently. For instance, power plants have used these systems to maintain their reliability. The phased array is advantageous because it improves efficiency by imaging the inside of the test subject. This inspection image is obtained by electronic scanning of a focused ultrasonic beam using a phased array sensor. We have developed a 3-dimensional volume inspection technology to make further efficiency and accuracy improvements in ultrasonic inspections. This study presents the innovative 3D phased array inspection system "3D Focus-UT" for 3D volume inspection. This system employs (I) a 3D ray-trace simulator to set up the delay time for the elements in the array sensor and the delay pattern for 3D volume scanning; (2) high sensitivity phased array equipment that has a 256ch pulsar/receiver to drive/receive a 2D matrix array transducer simultaneously; and (3) high-speed 3D data processing software. The software converts 3D volumetric inspection data into 3D voxel data in order to display 3D inspection images. The images can be used to evaluate the crack location and crack size. Some results of 3D volume inspection obtained by the 3D Focus-UT are presented here.
引用
收藏
页码：941 / +
页数：2
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