CN210005495U - Phased array ultrasonic detection simulation test block for X70 and X80 steel gas transmission pipelines - Google Patents
Phased array ultrasonic detection simulation test block for X70 and X80 steel gas transmission pipelines Download PDFInfo
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- CN210005495U CN210005495U CN201920519017.6U CN201920519017U CN210005495U CN 210005495 U CN210005495 U CN 210005495U CN 201920519017 U CN201920519017 U CN 201920519017U CN 210005495 U CN210005495 U CN 210005495U
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Abstract
The application discloses a X70 and X80 steel gas transmission pipeline phased array ultrasonic detection simulation test block, and relates to the technical field of ultrasonic phased array detection, wherein the accuracy of butt weld detection is improved in the degree of fixed distance, and the detection rate of internal defects of a weld is further improved.
Description
Technical Field
The application relates to the technical field of acoustic phased array detection, in particular to an -type X70 and X80 steel gas transmission pipeline phased array ultrasonic detection simulation test block.
Background
Along with the development of science and technology, the phased array ultrasonic detection technology is continuously improved, the detection for finding the internal defects of the welding seam is also continuously improved, the existing test block only aims at the calibration and the sensitivity debugging of the welding seam of the corrosion-resistant alloy composite plate, and the test block is not suitable for other materials of pipes and plates. The calibration of the detection equipment and the simulation of real defects can not meet the development requirements of the phased array ultrasonic detection technology, and the production and processing are more complicated.
Therefore, how to provide testing blocks capable of detecting defects that cannot be detected by conventional ray detection technology and further steps to ensure the engineering quality becomes a technical problem to be solved by those skilled in the art.
SUMMERY OF THE UTILITY MODEL
The application aims to provide kinds of X70, X80 steel gas transmission pipeline phased array ultrasonic testing simulation test blocks, improve the precision that detects the welding seam and then improve the inside defect relevance ratio of welding seam on the degree of travel.
The application provides an phased array ultrasonic detection simulation test block for an X70 steel gas transmission pipeline and an X80 steel gas transmission pipeline, which comprises two sections of base materials welded at , wherein a welding line is formed between the two sections of base materials;
a small flat bottom hole and a large flat bottom hole are also formed in the welding seam;
the axis of the small flat bottom hole is a straight line, the end of the small flat bottom hole extends to the bevel face of the welding seam, and the other end of the small flat bottom hole extends to the central line of the welding seam, and the axis of the small flat bottom hole forms an included angle of 45 degrees with the central line of the welding seam and is used for simulating the air hole defect of the welding seam;
the axis of the large flat bottom hole is a straight line, the end of the large flat bottom hole extends to the bevel face of welding seams and the other end extends to the bevel face of welding seams, and the large flat bottom hole is used for simulating the non-fusion defect of the bevel face of the welding seams.
In the technical scheme, steps are carried out, two small flat-bottom holes are arranged, and the diameters of the two small flat-bottom holes are both set to be 2 mm;
the ratio of the distance from of the small flat bottom holes extending to the center line of the weld to the upper surface of the weld to the height of the weld is 3:10, and the ratio of the distance from another of the small flat bottom holes extending to the center line of the weld to the upper surface of the weld to the height of the weld is 3: 5.
In the technical scheme, steps are carried out, two large flat bottom holes are arranged, and the diameters of the two large flat bottom holes are both set to be 3 mm;
wherein the ratio of the distance of the second ends of large flat bottom holes from the upper surface of the weld to the height of the weld is 3:10, and the ratio of the distance of the second ends of large flat bottom holes from the upper surface of the weld to the height of the weld is 3: 5.
In the above technical solution, steps are further performed, and the transverse analog detection slot has a length of 3mm, a width of 2mm, and a height of 1.5 mm.
In the above technical solution, steps are further performed, wherein a th upper surface rectangular groove is formed in the upper surface of the segment of the base material, and a th lower surface rectangular groove is formed in the lower surface of the base material, and both the th upper surface rectangular groove and the th lower surface rectangular groove are close to the weld joint and extend along the direction of the bevel face of the weld joint;
and in addition, sections, a second upper surface rectangular groove is formed in the upper surface of the base material, a second lower surface rectangular groove is formed in the lower surface of the base material, and the second upper surface rectangular groove and the second lower surface rectangular groove are both close to the welding line and extend along the direction of the bevel face of the welding line.
In the technical scheme, steps are further carried out, the length of the rectangular groove on the upper surface and the length of the rectangular groove on the upper surface are 10mm, the width of the rectangular groove is 1mm, and the height of the rectangular groove is 1 mm;
the th lower surface rectangular channel with the length of second lower surface rectangular channel is 10mm, and wide 1mm is high 2 mm.
In the technical scheme, the method further comprises the step of forming a cylindrical hole, wherein the cylindrical hole is perpendicular to the center line of the welding seam, the end of the cylindrical hole penetrates through the side face in the length direction of the welding seam and extends along the length direction of the welding seam, and the cylindrical hole is used for testing the signal-to-noise ratio and the sensitivity of the welding seam.
In the above technical solution, steps are taken, and the diameter of the cylindrical hole is 2mm and the length is 40 mm.
In the above technical solution, step , a third lower surface rectangular groove is provided on the lower surface of the weld joint, the third lower surface rectangular groove extends along the length direction of the lower surface of the weld joint, and the center line of the lower surface of the weld joint is coincident with the center line of the third lower surface rectangular groove.
In the above technical solution, steps are taken, where the length of the rectangular groove on the third lower surface is 10mm, the width is 2mm, and the height is 1.5 mm.
Compared with the prior art, the kinds of X70, X80 steel gas transmission pipeline phased array ultrasonic testing simulation test blocks have the following advantages:
the application provides phased array ultrasonic detection simulation test blocks for X70 and X80 steel gas transmission pipelines, which comprise two sections of base materials welded at , wherein a welding seam is formed between the two welded base materials;
a small flat bottom hole and a large flat bottom hole are also formed in the welding seam;
the starting end of the small flat bottom hole is positioned on parent metals, passes through bevel faces of the welding seam and extends to the central line of the welding seam, the small flat bottom hole is 45 degrees to the central line of the welding seam, and the small flat bottom hole is used for simulating the blow hole defect of the welding seam;
the starting end of the large flat bottom hole, which was used to simulate the fusion failure of the bevel face of the weld, was on of the parent metals, passed through bevel faces of the weld and extended onto the other bevel faces of the weld.
The application provides an kind X70, X80 steel gas transmission pipeline phased array ultrasonic testing simulation test block improves the inside defect relevance ratio of welding seam at degree of journey.
The method comprises the steps of cutting sections of parts (not limited to X70 and X80 steel) with welding seams on X70 and X80 steel gas pipelines, drilling holes, grooving and the like on the surface and inside of the parts, quantifying the holes and the grooves, such as the diameter, the length, the width and the depth of the holes, and knowing the position of the simulated defects, wherein the simulated defects are determined by debugging equipment on a simulated test block in the actual detection process, and the detection sensitivity can be determined by scanning on the simulated test block, so that the simulated defects can be clearly found in a phased array map, and the defect determination and identification of detection personnel are facilitated.
The utility model provides an kinds of X70, X80 steel gas transmission pipeline phased array ultrasonic testing simulation test block, for the calibration and the sensitivity debugging of current test block to the welding seam, the simulation of horizontal defect, gas pocket defect and interlayer defect has still been added to this application, because each simulation defect position is known, simulation defect degree of depth, length, equivalent are known, consequently accessible debugging equipment on the simulation test block in the actual testing process, confirm detectivity, through scanning on the simulation test block, can clearly discover the simulation defect in the phased array map, help the determination and the discernment of detection personnel to the defect.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a top view of a phased array ultrasonic testing simulation test block for X70 and X80 steel gas transmission pipelines provided by an embodiment of the present application;
FIG. 2 is a side view of a phased array ultrasonic testing simulation test block for an X70 and X80 steel gas transmission pipeline provided in an embodiment of the present application;
FIG. 3 is a second side view of a phased array ultrasonic testing simulation test block for an X70 and X80 steel gas transmission pipeline provided in an embodiment of the present application;
fig. 4 is a third side view of the phased array ultrasonic testing simulation test block for the X70 and X80 steel gas transmission pipelines provided by the embodiment of the application.
Reference numerals 100-parent metal, 200-weld joint, 201-transverse simulation test slot, 202-small flat bottom hole, 203- th small flat bottom hole, 204-second small flat bottom hole, 205-large flat bottom hole, 206- th large flat bottom hole, 207-second large flat bottom hole, 208- th upper surface rectangular groove, 209- th lower surface rectangular groove, 210-second upper surface rectangular groove, 211-second lower surface rectangular groove, 212-cylindrical hole, 213-third lower surface rectangular groove and 214-center line of weld joint.
Detailed Description
The technical solutions of the present application will be described more clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all, embodiments of .
In the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present application and simplifying the description, but 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 thus, should not be construed as limiting the present application.
In the description of the present application, it should be noted that unless otherwise expressly stated or limited, the terms "mounted," "connected," and "connected" shall be construed , for example, as being either fixedly connected or detachably connected, or physically connected, mechanically connected, electrically connected, directly connected or indirectly connected through an intermediary, and communicating between two elements.
Referring to fig. 1 to 4, fig. 1 is a top view of an X70 and X80 steel gas transmission pipeline phased array ultrasonic detection simulation test block provided in the embodiment of the present application, fig. 2 is a th side view of the X70 and X80 steel gas transmission pipeline phased array ultrasonic detection simulation test block provided in the embodiment of the present application, fig. 3 is a second side view of the X70 and X80 steel gas transmission pipeline phased array ultrasonic detection simulation test block provided in the embodiment of the present application, and fig. 4 is a third side view of the X70 and X80 steel gas transmission pipeline phased array ultrasonic detection simulation test block provided in the embodiment of the present application.
The application provides phased array ultrasonic detection simulation test blocks for X70 and X80 steel gas transmission pipelines, which comprise two sections of base materials 100 welded at , wherein a welding seam 200 is formed between the two welded sections of base materials 100;
a transverse simulation detection groove 201 is formed in the lower surface of the welding seam 200, and the transverse simulation detection groove 201 extends along the width direction of the lower surface of the welding seam 200; the transverse simulation detection groove 201 is used for simulating the bottom defects of the welding seam 200;
a small flat bottom hole 202 and a large flat bottom hole 205 are also formed in the welding seam 200;
the axis of the small flat bottom hole 202 is a straight line, the end of the small flat bottom hole 202 extends to the bevel face of the welding seam 200, and the other end extends to the central line 214 of the welding seam;
the axis of the large flat bottom hole 205 is straight, the end of the large flat bottom hole 205 extends to the bevel face of of the welds 200, the other end extends to the bevel face of the other of the welds 200, and the large flat bottom hole 205 is used to simulate the lack of fusion of the bevel faces of the welds 200.
Specifically, during actual use, solder builds up to form weld 200, and because solder has a gravity of , all of them have a redundancy of segments of arc structure at the lower surface of weld 200, and also have a redundancy of segments of arc structure at the upper surface of weld 200 because of tension, and because the redundancy of arc structure is particularly small, the present application is ignored.
Compared with the prior art, improve the precision that detects the welding seam and then improve welding seam internal defect relevance ratio on this application fixed range.
The application provides an X70, X80 steel gas transmission pipeline phased array ultrasonic testing simulation test block, for current test block to the calibration and the sensitivity debugging of welding seam 200, this application has still added the simulation of horizontal defect, gas pocket defect and interlayer defect. Because the positions of the simulated defects are known, and the depths, lengths and equivalent of the simulated defects are known, the detection sensitivity can be determined by debugging equipment on the simulated test block in the actual detection process, and the simulated defects can be clearly found in the phased array map by scanning on the simulated test block, thereby being beneficial to the judgment and identification of the defects by detection personnel. The simulation test block is convenient to obtain, has the same material and curvature as the welding line 200 to be detected, and is low in manufacturing cost.
In order to ensure the welding quality of the butt welding seam of the X70 and X80 steel gas transmission pipelines and find welding defects in time, the engineering hidden danger can be eliminated in the sprouting stage, sections of parts (not limited to X70 and X80 steel) with the welding seam are intercepted on the X70 and X80 steel gas transmission pipelines, then holes and grooves are drilled and engraved on the surface and inside of the parts, the holes and the grooves are quantified, such as the diameter, the length, the width and the depth of the holes, and because the positions are known, the depth, the length and the equivalent of the simulated defects are known, so that the detection sensitivity can be determined by debugging equipment on the simulated test block in the actual detection process, and the simulated defects can be clearly found in a phased array map by scanning on the simulated test block, thereby being beneficial to the judgment and identification of detection personnel on the defects.
In the embodiments of the present invention, as shown in fig. 1 and 4, there are two small flat bottom holes 202, the diameter of each of the two small flat bottom holes 202 is 2mm, the ratio of the distance from of the small flat bottom holes 202 extending to the center line 214 of the weld to the upper surface of the weld 200 to the height of the weld 200 is 3:10, and the ratio of the distance from another of the small flat bottom holes 202 extending to the center line 214 of the weld to the upper surface of the weld 200 to the height of the weld 200 is 3: 5.
Specifically, the number of the small flat bottom holes 202 in the present application is preferably two, that is, th small flat bottom hole 203 and the second small flat bottom hole 204, and the th small flat bottom hole 203 extending to the center line 214 of the weld has a height h from the upper surface of the weld 2001Let T be the thickness of the weld 200 in the present application, i.e., the distance from the upper surface to the lower surface of the trapezoidal structure weld 200, then h1Preferably set at 30% T. The second small flat bottom hole 204 extending to the centerline 214 of the weld has a height h from the upper surface of the weld 2002Let T be the thickness of the weld 200 in the present application, i.e., the distance from the upper surface to the lower surface of the trapezoidal structure weld 200, then h2Preference is given toSet to 60% T.
More specifically, the number of small flat-bottom holes 202 in the present application is not limited to two, and two small flat-bottom holes 202 are only preferred embodiments.
In the embodiments of the present invention, as shown in fig. 1 and 3, the number of the large flat bottom holes 205 is two, and the diameters of the two large flat bottom holes 205 are both set to 3mm, wherein the ratio of the distance from the second ends of large flat bottom holes 205 to the upper surface of the weld 200 to the height of the weld is 3:10, and the ratio of the distance from the second ends of large flat bottom holes 205 to the upper surface of the weld 200 to the height of the weld is 3: 5.
Specifically, the number of large flat bottom holes 205 is two, th large flat bottom hole 206 and the second large flat bottom hole 207, wherein the height of the second end of the th large flat bottom hole 206 from the upper surface of the weld 200 is h3Let T be the thickness of the weld 200 in the present application, i.e. the distance from the upper surface to the lower surface of the weld 200, then h3Preferably set at 30% T. The second end of the second large flat bottom hole 207 has a height h from the upper surface of the weld 2004Let T be the thickness of the weld 200 in the present application, i.e. the distance from the upper surface to the lower surface of the weld 200, then h4Preferably set to 60% T.
More specifically, the number of small flat-bottom holes 202 in the present application is not limited to two, and two large flat-bottom holes 205 are only preferred embodiments.
In the embodiments of the present invention, as shown in fig. 1 and 3, the length of the horizontal simulation detecting groove 201 is 3mm, the width thereof is 2mm, and the height thereof is 1.5 mm.
In embodiments of the present invention, as shown in fig. 1 and 2, th rectangular upper surface groove 208 and th rectangular lower surface groove 209 are formed on the upper surface of the -segment base material 100, the th rectangular upper surface groove 208 and the th rectangular lower surface groove 209 are both close to the welding seam 200 and extend along the direction of the bevel surface of the welding seam 200, the other -segment base material 100 is formed on the upper surface thereof with a second rectangular upper surface groove 210 and a second rectangular lower surface groove 211, and the second rectangular upper surface groove 210 and the second rectangular lower surface groove 211 are both close to the welding seam 200 and extend along the direction of the bevel surface of the welding seam 200.
Specifically, the th rectangular top surface groove 208 and the second rectangular top surface groove 210 are disposed on the top surfaces of the two base materials 100 and close to the weld 200, i.e. the th rectangular top surface groove 208 and the second rectangular top surface groove 210 are used to simulate the defect that the two mother plates are not fused.
More specifically, the cross section of the weld joint 200 in the present application is a trapezoid structure with a large upper surface and a small lower surface, that is, the weld joint 200 can be divided into an upper surface, a lower surface, a -th weld bead bevel surface and a second weld bead bevel surface, wherein the upper surface and the lower surface are arranged in parallel, the -th weld bead bevel surface is a surface formed between the weld joint 200 and the -segment base material 100, the second weld bead bevel surface is a surface formed between the weld joint 200 and another -segment base material 100, the weld joint 200 in the present application has a weld joint 200 bevel surface angle, the bevel surface angle (as shown in fig. 2) of the weld joint 200 is an angle between the center line 214 of the weld joint and the -th weld bead bevel surface or an angle between the center line 214 of the weld joint and the second weld bead bevel surface, the bevel surface angle α of the weld joint 200 in the present application is preferably set to be 22 °, -degree, wherein the bevel angle of the upper surface of the weld joint 200 is set to be 22 degree, the upper surface of the -4-segment base material 100 is set with a -degree of inclination, the upper surface of the lower surface of the weld joint 208, the lower surface, the rectangular groove is set to be equal to the lower surface of the rectangular groove 208-2-24-2-.
In addition, a second upper surface rectangular groove 210 is formed in the upper surface of the -segment base material 100, a second lower surface rectangular groove 211 is formed in the lower surface of the base material 100, the second upper surface rectangular groove 210 and the second lower surface rectangular groove 211 are both arranged along the extending direction of the second welding line bevel face of the welding line 200, that is, the second upper surface rectangular groove 210 and the second lower surface rectangular groove 211 are inclined grooves, and the inclination of the inclined grooves is the same as the bevel face angle of the welding line 200 and is 22 °.
In embodiments of the present invention, as shown in fig. 1 and 2, the length of the th rectangular upper surface groove 208 and the th rectangular upper surface groove 208 is 10mm, the width is 1mm, and the height is 1 mm;
the th lower surface rectangular groove 209 and the second lower surface rectangular groove 211 have a length of 10mm, a width of 1mm and a height of 2 mm.
Specifically, the heights of the rectangular groove 208 on the upper surface of and the rectangular groove 208 on the upper surface of are both set to be 1mm, so that the requirement of sensitivity is met.
In the embodiments of the present invention, as shown in fig. 1 and 2, the testing device further includes a cylindrical hole 212, the cylindrical hole 212 is perpendicular to the central line 214 of the welding seam, the end of the cylindrical hole 212 passes through the side surface of the welding seam 200 in the length direction and extends along the length direction of the welding seam 200, and the cylindrical hole 212 is used for testing the signal-to-noise ratio and the sensitivity of the welding seam 200.
In the embodiments of the present invention, as shown in fig. 1 and 2, the cylindrical hole 212 has a diameter of 2mm and a length of 40 mm.
Specifically, in use, assuming that the thickness of the weld 200 in the present application is T, i.e., the distance from the upper surface to the lower surface of the trapezoidal-structure weld 200 is T, the height h of the cylindrical hole 212 from the upper surface of the weld 200 is5Preferably set at 25% t. step , cylindrical hole 212 is 2mm in diameter and 40mm in length.
More specifically, in the present application, the cross section of the welding seam 200 is a trapezoidal structure with a large top and a small bottom, during actual use, the welding seam 200 is in a quadrangular frustum pyramid shape, the welding seam 200 is divided into an upper surface, a lower surface, an -th welding seam bevel surface, a second welding seam bevel surface, a -th side surface and a second side surface, wherein the upper surface and the lower surface are arranged in parallel, the -th welding seam bevel surface is a surface formed between the welding seam 200 and the -th parent metal 100, the second welding seam bevel surface is a surface formed between the welding seam 200 and the -th parent metal 100, the -th side surface and the second side surface are arranged oppositely, that is, the cylindrical hole 212 penetrates through the -th side surface or the second side surface and is perpendicular to the center line 214 of the welding seam, and when the wall thickness of the weldingThe distance from the upper surface to the lower surface of the configured weld 200 is T, and the height h of the cylindrical bore 212 from the upper surface of the weld 2005Preferably set at 25% T.
In the embodiments of the present invention, as shown in fig. 1 and 2, the lower surface of the welding seam 200 is provided with a third lower surface rectangular groove 213, the third lower surface rectangular groove 213 extends along the length direction of the lower surface of the welding seam 200, and the central line of the lower surface of the welding seam 200 coincides with the central line of the third lower surface rectangular groove 213.
In the embodiments of the present invention, as shown in fig. 1 and 2, the length of the rectangular groove 213 on the third lower surface is 10mm, the width thereof is 2mm, and the height thereof is 1.5 mm.
Specifically, assuming that the wall thickness of the weld 200 in the present application is T, i.e., the distance from the upper surface to the lower surface of the trapezoidal structure weld 200 is T, the height of the third lower surface rectangular groove 213 is preferably set to 10% T and cannot be more than 1.5mm later.
Finally, it should be noted that: the above embodiments are only used for illustrating the technical solutions of the present application, and not for limiting the same; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present application.
Claims (10)
- The phased array ultrasonic detection simulation test block for the gas transmission pipeline made of X70 and X80 steels is characterized by comprising two sections of base materials welded at , wherein a welding seam is formed between the two welded sections of base materials;a transverse simulation detection groove is formed in the lower surface of the welding line and extends along the width direction of the lower surface of the welding line; the transverse simulation detection groove is used for simulating the transverse defects of the lower surface of the welding seam;a small flat bottom hole and a large flat bottom hole are also formed in the welding seam;the axis of the small flat bottom hole is a straight line, the end of the small flat bottom hole extends to the bevel face of the welding seam, and the other end of the small flat bottom hole extends to the central line of the welding seam, and the axis of the small flat bottom hole forms an included angle of 45 degrees with the central line of the welding seam and is used for simulating the air hole defect of the welding seam;the axis of the large flat bottom hole is a straight line, the th end of the large flat bottom hole extends to the bevel face of welding seams and the second end extends to the bevel face of another welding seams, and the large flat bottom hole is used for simulating the non-fusion defect of the bevel face of the welding seam.
- 2. The phased array ultrasonic testing simulation test block for the X70 and X80 steel gas transmission pipelines according to claim 1, wherein the number of the small flat-bottom holes is two, and the diameters of the two small flat-bottom holes are set to be 2 mm;the ratio of the distance from the small flat bottom holes extending to the center line of the weld to the upper surface of the weld to the height of the weld is 3:10, and the ratio of the distance from the other small flat bottom holes extending to the center line of the weld to the upper surface of the weld to the height of the weld is 3: 5.
- 3. The phased array ultrasonic testing simulation test block for the X70 and X80 steel gas transmission pipelines according to claim 1, wherein the number of the large flat-bottom holes is two, and the diameters of the two large flat-bottom holes are both set to be 3 mm;wherein the ratio of the distance of the second ends of large flat bottom holes from the upper surface of the weld to the height of the weld is 3:10, and the ratio of the distance of the second ends of large flat bottom holes from the upper surface of the weld to the height of the weld is 3: 5.
- 4. The phased array ultrasonic testing simulation test block for the X70 and X80 steel gas transmission pipelines as claimed in claim 1, wherein the transverse simulation test groove is 3mm long, 2mm wide and 1.5mm high.
- 5. The phased array ultrasonic testing simulation test block for the X70 and X80 steel gas transmission pipelines as claimed in claim 1, wherein the section of the parent metal is provided with a th rectangular upper surface groove and a th rectangular lower surface groove on the upper surface, the th rectangular upper surface groove and the th rectangular lower surface groove are both arranged close to the weld joint and extend in a direction parallel to the bevel face of the weld joint;and in addition, sections, a second upper surface rectangular groove is formed in the upper surface of the base material, a second lower surface rectangular groove is formed in the lower surface of the base material, the second upper surface rectangular groove and the second lower surface rectangular groove are both close to the welding line and extend in the direction parallel to the bevel face of the welding line.
- 6. The phased array ultrasonic testing simulation test block for the X70 and X80 steel gas transmission pipelines according to claim 5, wherein the rectangular grooves on the th upper surface and the th upper surface are 10mm in length, 1mm in width and 1mm in height;the th lower surface rectangular channel with the length of second lower surface rectangular channel is 10mm, and wide 1mm is high 2 mm.
- 7. The phased array ultrasonic testing simulation test block for the X70 and X80 steel gas transmission pipelines as claimed in claim 1, further comprising a cylindrical hole, wherein the cylindrical hole is perpendicular to the central line of the welding seam, the end of the cylindrical hole penetrates through the side face in the length direction of the welding seam and extends along the length direction of the welding seam, and the cylindrical hole is used for testing the signal-to-noise ratio and the sensitivity of the welding seam.
- 8. The phased array ultrasonic testing simulation test block for the X70 and X80 steel gas transmission pipelines of claim 7, wherein the cylindrical holes are 2mm in diameter and 40mm in length.
- 9. The phased array ultrasonic testing simulation test block for the X70 and X80 steel gas transmission pipelines as claimed in claim 1, wherein a third lower surface rectangular groove is formed in the lower surface of the welding seam, the third lower surface rectangular groove extends along the length direction of the lower surface of the welding seam, and the center line of the lower surface of the welding seam is overlapped with the center line of the third lower surface rectangular groove.
- 10. The phased array ultrasonic testing simulation test block for the X70 and X80 steel gas transmission pipelines of claim 9, wherein the rectangular grooves on the third lower surface have a length of 10mm, a width of 2mm and a height of 1.5 mm.
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| CN201920519017.6U CN210005495U (en) | 2019-04-17 | 2019-04-17 | Phased array ultrasonic detection simulation test block for X70 and X80 steel gas transmission pipelines |
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| CN201920519017.6U CN210005495U (en) | 2019-04-17 | 2019-04-17 | Phased array ultrasonic detection simulation test block for X70 and X80 steel gas transmission pipelines |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113740440A (en) * | 2021-09-08 | 2021-12-03 | 中国航发沈阳黎明航空发动机有限责任公司 | Manual injury comparison test block for ultrasonic detection of air conduit electron beam weld joint |
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2019
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113740440A (en) * | 2021-09-08 | 2021-12-03 | 中国航发沈阳黎明航空发动机有限责任公司 | Manual injury comparison test block for ultrasonic detection of air conduit electron beam weld joint |
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