Ultrasonic tomography systems

一种层析成像、超声波的技术，应用在使用声波/超声波/次声波分析固体、使用声波/超声波/次声波进行材料分析、分析材料等方向，能够解决尺寸小、尺寸低分辨率、难以检测存在等问题

Inactive Publication Date: 2013-04-17
GENERAL ELECTRIC CO
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] Unfortunately, in some applications, the size of the defects is relatively small relative to the size of the object under inspection, which makes it difficult to detect their presence in the reconstructed image of the object under inspection
Also, in many cases, multiple small defects may be very closely spaced, and while the combined area of ​​defects is detectable by ultrasonic inspection, the size of the individual defects may be below the resolution of the system

Method used

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  • Ultrasonic tomography systems
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Embodiment Construction

[0027] One or more specific embodiments of the present invention will be described below. In an effort to provide a concise description of these embodiments, not all features of an actual implementation may be described in the specification. It should be appreciated that in the development of any such actual implementation, as in any engineering or design project, many implementation-specific decisions must be made to achieve the developer's specific goals, such as compliance with system-related constraints and business Related constraints, the specific purpose may vary from implementation to implementation. Moreover, it should be appreciated that such a development effort might be complex and time consuming, but would nevertheless be a routine undertaking of design, production, and manufacture to those of ordinary skill having the benefit of this disclosure.

[0028] When introducing elements of various embodiments of the invention, the articles "a," "the," and "said" are in...

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Abstract

A system including a segmented transducer probe is provided. The segmented transducer probe includes a plurality of transducer segments adapted to transmit ultrasonic excitation signals into a test specimen and to receive echo signals resulting from the interaction of the ultrasonic excitation signals and the test specimen. The system also includes a processing system adapted to receive data from the segmented transducer probe that corresponds to the received echo signals and to utilize tomographic reconstruction methods to reconstruct an image corresponding to at least one volumetric slice of the test specimen.

Description

technical field [0001] The subject matter disclosed herein relates generally to non-destructive inspection systems, and more specifically, to ultrasound tomography systems for performing non-destructive inspection. Background technique [0002] Many industrial inspection applications rely on imaging techniques to determine the quality of industrial components such as pipes, pipe arrays, etc. For example, such inspection techniques may be used to determine the presence and / or location of one or more defects in an object, such as the presence of cracks, holes, or other blemishes. One imaging modality that can be used to examine the presence of defects in objects is ultrasound tomography. Ultrasound tomography is an imaging modality that employs ultrasound to probe the acoustic properties of an object of interest and produce a corresponding image of the object, including any detectable defects. The generation of the acoustic pulses and the detection of the return echoes are t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N29/06G01N29/24G01N29/44
CPCG01N29/069G01N2291/0289G01N2291/106G01N29/0672G01N29/265G01N29/0645
Inventor W-D.克莱纳
Owner GENERAL ELECTRIC CO
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