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Device and method for the non-destructive control of metal profiles

A technology of transducers and active surfaces, which is applied in measuring devices, analyzing solids using sound waves/ultrasonic waves/infrasonic waves, and using sound waves/ultrasonic waves/infrasonic waves for material analysis. , to achieve a good detection rate

Active Publication Date: 2015-11-18
法国瓦卢瑞克钢管公司
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The result is that the inspection duration is too long to be feasible for industrial applications

Method used

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  • Device and method for the non-destructive control of metal profiles
  • Device and method for the non-destructive control of metal profiles
  • Device and method for the non-destructive control of metal profiles

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no. 1 example

[0080] According to a first embodiment of the invention, when the main plane of the working surface of the sensor is a plane, the emission direction is inclined with respect to its normal direction, or when said plane is a curved surface, the emission direction is inclined with respect to its central region . The ultrasound beam can be considered as a deflected beam. The beam diverges about said line of sight.

[0081] According to a second embodiment of the invention, the emission direction corresponds substantially to its normal when the main plane of the working surface of the sensor is a plane, or to its central region when said plane is curved. The ultrasound beams are divergent. In particular, the beam is defocused.

[0082] now refer to Figure 6A .

[0083] The figure shows a multi-element sensor C, which is generally planar and square in shape, with a geometric center referenced S.

[0084] The direction of propagation D of the ultrasound beam, also referred to ...

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Abstract

The invention relates to a device and a method for the non-destructive control of metal profiles. A device for controlling metallurgical products of this type comprises an ultrasonic sensor comprising a plurality of elementary transducers (29) operable independently of each other and distributed according to a two-dimensional pattern. A first electronic component (27) can excite each of the elementary transducers according to at least one temporal law corresponding to a shot of ultrasonic waves in a targeted direction. A second electronic element (31) can process at least some of the signals captured by each of the elementary transponders. Each temporal law is arranged in such a way that the corresponding shot produces a beam of ultrasonic waves generally diverging around the targeted direction, moving away from the ultrasonic sensor. The invention also relates to the corresponding control method.

Description

technical field [0001] The invention relates to the field of non-destructive testing of metallurgical products, in particular metallurgical products with elongated profiles, generally ranging from a few meters to tens of meters. Background technique [0002] For a better understanding of the invention, it will be described as an example of a metallurgical product in the case of a generally tubular product, in particular a pipe. However, the invention is intended to have wider application. [0003] Large length tubes are widely used. Examples of areas of application that may be mentioned are electricity production where boiler tubes are used, oil and gas recovery where tubes are used for drilling, extraction and transportation (pipelines), or possibly in civil engineering without any doubt or without Questionably mechanical construction in the automotive and aerospace industries. [0004] Like most metallurgical products, tubes are susceptible to manufacturing-related proc...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N29/26
CPCG01N29/262G01N2291/0289G01N2291/106G01N29/04G01N29/2437G01N2291/0234G01N2291/2634
Inventor R.米歇尔A.诺埃尔M.瓦赫
Owner 法国瓦卢瑞克钢管公司
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