CN217820198U

CN217820198U - Phased array ultrasonic testing simulation test block

Info

Publication number: CN217820198U
Application number: CN202221277084.XU
Authority: CN
Inventors: 吴豪; 茹建刚; 干其亮; 郎涵
Original assignee: Tianjin Da'an Te Engineering Testing Co ltd
Current assignee: Tianjin Da'an Te Engineering Testing Co ltd
Priority date: 2022-05-25
Filing date: 2022-05-25
Publication date: 2022-11-15
Anticipated expiration: 2032-05-25

Abstract

The utility model provides a phased array ultrasonic testing simulation test block, including the test block body the welding seam department of test block body is equipped with a plurality of rectangular channel along the groove edge be equipped with an outer transverse groove on the test block body it is equipped with four grooves and does not fuse to lie in welding seam department on the test block body be equipped with long cross bore or strip sediment be equipped with a rectangle inside groove on the welding seam central line of test block body the welding seam root center department of test block body still is equipped with the internal crack and presss from both sides the sediment on the test block body. The simulation test block makes more artificial simulation defects on the basis of meeting the standard requirements of the simulation test block, and the phased array ultrasonic detection of various defects can be completed by using the test block no matter research of a detection method, qualification assessment and evaluation of nondestructive personnel, or evaluation and verification of the detection capability and detection process of an instrument probe system is required.

Description

Phased array ultrasonic testing simulation test block

Technical Field

The utility model relates to an ultrasonic wave nondestructive test field especially relates to a phased array ultrasonic testing simulation test block.

Background

Phased array ultrasonic detection is an ultrasonic detection method which excites each independent piezoelectric wafer (array element) of a phased array probe according to a set delay rule, synthesizes sound beams, realizes the functions of movement, deflection, focusing and the like of the sound beams, processes received ultrasonic signals according to a certain delay rule and displays the internal state of a detected object in an image mode. In recent years, phased array ultrasonic detection is attracting more and more attention, and the advantages of strong flexibility, high detection speed, visual defect display and the like fully show the advantages in the future development.

In the process of using phased array ultrasonic detection, various test blocks have to be used, and an analog test block is one of the test blocks. The simulation test block is a test block containing simulation defects, and may be a sample produced by simulating actual defects in a workpiece, or a sample found to contain natural defects in a conventional inspection. The simulation test block is mainly used for research of a detection method, qualification assessment and evaluation of nondestructive personnel, evaluation and verification of detection capability and detection process of an instrument probe system and the like. The existing simulation test block is single, the problem that various defects cannot be simulated exists, the defect appearance of the test block species cannot be known by new workers, and the comparison is not facilitated when the scientific research personnel researches a certain defect. Therefore, it is an urgent problem to be solved to develop a phased array ultrasonic detection simulation test block.

Disclosure of Invention

In view of this, the utility model aims at providing a phased array ultrasonic testing simulation test block, this kind of simulation test block not only is the simulation test block that accords with the standard regulation, and with the inspection detectivity that this test block can be better moreover, also can have certain help to phased array ultrasonic testing new personnel's examination and evaluation simultaneously, lets new staff's understanding defect that can be better, observes the appearance of defect.

In order to solve the technical problem, the utility model adopts the technical scheme that:

a phased array ultrasonic testing simulation test block comprises a test block body, wherein the test block body is composed of two steel plates, grooves with certain angles are formed in one opposite sides of the two steel plates, the two steel plates are welded along the grooves to form the test block body, a plurality of rectangular grooves are formed in the welding line of the test block body along the edges of the grooves, an outer transverse groove is formed in the test block body, the four grooves are formed in the position, located on the welding line, of the test block body and are not fused, long transverse holes or strip slag are formed in the center line of the welding line of the test block body, a rectangular inner groove is formed in the center of the root of the welding line of the test block body, and inner cracks and slag are further formed in the test block body.

Furthermore, the number of the rectangular grooves is six, the length, the width and the height of the rectangular grooves are 10 multiplied by 1mm, and the rectangular grooves are uniformly distributed on the surface of the welding seam.

Further, the rectangular groove is divided into three outer grooves and three inner grooves.

Further, the distance between the rectangular groove and the edge of the groove is not less than 5mm.

Further, two of the grooves are positioned at the upstream of the welding seam and two of the grooves are positioned at the downstream of the welding seam, the sizes of the grooves are 10mm in length and 2.5mm in height, and the depths of the grooves are 4.67mm and 9.33mm respectively.

Further, the dimension of the long transverse hole or the strip slag is phi 2 x 40mm, the depth is 1/2T, and T is the thickness of the test block.

Further, the length, width and height of the rectangular inner groove are 30 multiplied by 2 multiplied by 1.5mm.

Further, the size of the slag inclusion is 2.5mm in height and 7mm in depth.

Further, the size of the internal crack is 10mm long by 2.5mm high.

Further, the angle of the groove is 30 degrees.

Compared with the prior art, phased array ultrasonic testing simulation test block have following advantage:

(1) The phased array ultrasonic detection simulation test block makes more artificial simulation defects on the basis of meeting the standard requirements of the simulation test block, and the phased array ultrasonic detection of various defects can be completed by using the test block no matter research of a detection method, qualification assessment and evaluation of nondestructive personnel, or evaluation and verification of the detection capability and detection process of an instrument probe system is needed.

(2) This phased array ultrasonic testing simulation test block simulation defect is comprehensive, and a test block has simulated various defects, has practiced thrift the cost, enables new worker to know the defect appearance of test block kind, makes the scientific research personnel also can regard as the contrast with other defects when studying a certain defect, has both saved the trouble of constantly trading the test block, has also solved the problem when needing multiple defect research.

Drawings

The accompanying drawings, which form a part of the present disclosure, are included to provide a further understanding of the present disclosure, and are incorporated in and constitute a part of this specification, illustrate embodiments of the present disclosure and together with the description serve to explain the present disclosure. In the drawings:

fig. 1 is a top view of the present invention;

fig. 2 is a cross-sectional view of various defects in the present invention.

Description of the reference numerals:

1. a test block body; 2. an outer tank; 3. an inner tank; 4. an outer transverse groove; 5. the groove is not fused; 6. strip slag;

7. a rectangular inner groove; 8. an internal crack; 9. slag inclusion.

Detailed Description

It should be noted that, in the case of no conflict, the embodiments and features of the embodiments of the present invention may be combined with each other.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

As shown in figures 1 and 2, a phased array ultrasonic testing simulation test block, includes test block body 1, the test block body chooses the rectangle steel sheet of specification 400 x 610mm for use, test block body 1 comprises two steel sheets, two one side that the steel sheet is relative all is equipped with the groove at a 30 degree angle, welds two steel sheets along the groove and forms the test block body. The welding seam department of test block body is equipped with 6 rectangular channels that length and width height is 10X 1mm along the groove edge, and the rectangular channel is apart from the groove edge and is not less than 5mm, and the rectangular channel divide into three outer tank 2 and three inside groove 3. The test block body 1 is provided with an outer transverse groove 4 with the length, width and height of 10 multiplied by 2 multiplied by 1.5mm, two grooves 5 with the length, width and height of 10 multiplied by 2.5mm are respectively arranged on the upper stream and the lower stream of the weld joint of the test block body 1 and are not fused, and the depth is respectively 4.67mm and 9.33mm. And a long transverse hole or strip slag 6 with the diameter of 2 multiplied by 40mm is arranged on the central line of the welding line of the test block body 1, the depth is 1/2T, and T is the thickness of the test block. A rectangular inner groove 7 with the length, width and height of 30 multiplied by 2 multiplied by 1.5mm is arranged at the center of the root part of the welding seam of the test block body 1, and an inner crack 8 with the length, width and height of 10 multiplied by 2.5mm and an inclusion slag 9 with the height of 2.5mm and depth of 7mm are also arranged on the test block body 1. The phased array ultrasonic detection simulation test block can better simulate defects with more properties, so that inspectors can better verify the defect detection capability of an instrument probe system.

The phased array ultrasonic detection simulation test block meets the stipulation of SY/T4109-2020 & lt steel pipeline nondestructive testing & gt, and meanwhile, artificial defects such as internal cracks and slag inclusion are designed. The image display of various defects can be seen from the method whether the method is used for researching the detection method or performing qualification assessment and evaluation on nondestructive personnel, even if the detection capability, the detection process and the like of an instrument probe system are evaluated and verified, and the simulation of various defects can be checked and seen by using a phased array ultrasonic detection technology. Therefore, the test block is greatly helpful for both new people and people who can be skilled in the phased array ultrasonic detection technology. The test block simulates defects comprehensively, and one test block simulates various defects. Saves a lot of cost and enables new workers to know the defect appearance of the test block species. The method has the advantages that other defects can be used as comparison when scientific research personnel research a certain defect, so that the trouble of continuously changing test blocks is saved, and the problem when multiple defects are needed to be researched is solved.

The defects on the phased array ultrasonic detection simulation test block are not limited to the arrangement positions shown in the figure or the defect combinations shown in the figure, different defects can be combined to manufacture different simulation test blocks according to the required material, thickness, groove form, curvature and the like, and the diversity of physical properties is ensured and the diversity of artificial defects of the simulation test block is also kept.

The simulation test block has certain diversity, and different simulation test blocks can be processed for different research objects and different measurement materials for use. Meanwhile, the simulation test block has certain uniformity, namely the defects of internal cracks, slag inclusion and the like are designed while the internal structure meets the basic requirements, and the defects in any material can be judged by using the phased array ultrasonic detection technology for the test block. In short, the simulation test block can simulate any defect form in any material for the phased array ultrasonic detection technology.

The above description is only for the preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a phased array ultrasonic testing simulation test block which characterized in that: the test block comprises a test block body, wherein the test block body is composed of two steel plates, one side, opposite to each other, of each steel plate is provided with a groove with a certain angle, the two steel plates are welded along the grooves to form the test block body, a plurality of rectangular grooves are arranged at the welding seam of the test block body along the edges of the grooves, an outer transverse groove is arranged on the test block body, four grooves are arranged at the welding seam on the test block body and are not fused, a long transverse hole or strip slag is arranged on the central line of the welding seam of the test block body, a rectangular inner groove is arranged at the center of the root of the welding seam of the test block body, and inner cracks and slag are also arranged on the test block body.

2. The phased array ultrasonic testing analog test block of claim 1, characterized in that: six rectangular grooves are formed, the length, the width and the height of the rectangular grooves are 10 multiplied by 1mm, and the rectangular grooves are uniformly distributed on the surface of a welding seam.

3. The phased array ultrasonic testing simulation test block of claim 2, wherein: the rectangular groove is divided into three outer grooves and three inner grooves.

4. The phased array ultrasonic testing simulation test block of claim 1, wherein: the distance between the rectangular groove and the edge of the groove is not less than 5mm.

5. The phased array ultrasonic testing analog test block of claim 1, characterized in that: two of the grooves are positioned at the upstream of the welding line and two of the grooves are positioned at the downstream of the welding line, the sizes of the grooves are 10mm in length, 2.5mm in height and the depths of the grooves are 4.67mm and 9.33mm respectively.

6. The phased array ultrasonic testing analog test block of claim 1, characterized in that: the size of the long transverse hole or the strip slag is phi 2 multiplied by 40mm, the depth is 1/2T, and T is the thickness of the test block.

7. The phased array ultrasonic testing analog test block of claim 1, characterized in that: the length, width and height of the rectangular inner groove are 30 multiplied by 2 multiplied by 1.5mm.

8. The phased array ultrasonic testing analog test block of claim 1, characterized in that: the size of the slag inclusion is 2.5mm in height and 7mm in depth.

9. The phased array ultrasonic testing analog test block of claim 1, characterized in that: the size of the internal crack is 10mm long by 2.5mm high.

10. The phased array ultrasonic testing simulation test block of claim 1, wherein: the angle of the groove is 30 degrees.