CN2341147Y - Sample for ultrasonic flaw detection for welded small diameter pipes - Google Patents
Sample for ultrasonic flaw detection for welded small diameter pipes Download PDFInfo
- Publication number
- CN2341147Y CN2341147Y CN 97249429 CN97249429U CN2341147Y CN 2341147 Y CN2341147 Y CN 2341147Y CN 97249429 CN97249429 CN 97249429 CN 97249429 U CN97249429 U CN 97249429U CN 2341147 Y CN2341147 Y CN 2341147Y
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- test block
- face
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- flaw detection
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- 238000001514 detection method Methods 0.000 title abstract 4
- 239000000523 sample Substances 0.000 claims abstract description 21
- 230000007547 defect Effects 0.000 claims description 8
- 230000002950 deficient Effects 0.000 claims description 6
- 238000007689 inspection Methods 0.000 claims description 6
- 238000005259 measurement Methods 0.000 claims description 4
- 238000012113 quantitative test Methods 0.000 claims description 4
- 238000005516 engineering process Methods 0.000 claims description 3
- 230000035945 sensitivity Effects 0.000 abstract description 9
- 229910000831 Steel Inorganic materials 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 abstract 1
- 239000010959 steel Substances 0.000 abstract 1
- 238000003466 welding Methods 0.000 description 3
- 241000446313 Lamella Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000011229 interlayer Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910000679 solder Inorganic materials 0.000 description 1
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- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
Abstract
The utility model relates to a test block device for ultrasonic flaw detection in welded small diameter pipes, which is composed of three flat long steel blocks. The A test block is provided with two circular arc-shaped end surfaces, the middle part is provided with at least 5 phi (1-1.5) mm transverse through holes; the middle part of the B test block is provided with at least 9 phi (1-1.5) mm transverse through holes; the C test block is a section of semi-cut pipe whose external diameter and wall thickness are the same or similar to tested pipes, the inclined end surface of the C test block is provided with an inclined post flat bottom hole, and the inner and the outer walls are provided with a post hole and a notch. The test blocks can test probe performance and the distance-amplitude curve of secondary echo and can also manufacture flaw detection sensitivity curve, so the utility model has the advantages of automatic compensation to sound loss and high flaw detection accuracy.
Description
The utility model relates to the test block of metal solder ultrasonic inspection, is the support device of reflectoscope, is the instrument corollary apparatus, belongs to mechanical.
At present, existing, as to be used for small diameter tube welding ultrasonic inspection test block device, its shortcoming is that it can only measure distance one amplitude curve of I subwave in special-purpose test block, can not be used for II time echo defective is carried out quantitative test.Also need do an acoustic loss correction test block in addition.Like this, the sensitivity required with judging actual defects differs bigger, can cause judging inaccurate.
The purpose of this utility model, provide the test block device that matches with twin lamella, leaning angle probe, promptly to judge that the flaw sensitivity curve all has an accuracy high and acoustic loss is had a test block device of self compensation ability to the mensuration of the mensuration of probe performance, II time echo distance one amplitude curve and to making.
The technical solution of the utility model is: be made up of A, B, three test blocks of C at least, the A test block is probe performance measurement test block, and the B test block is the test block of probe characteristic curve determination, and the C test block is the defects detecting technology test block, promptly to the qualitative positioning and quantitative test block of defective.Wherein, the A test block is a prolate bloom, the length of long L1 * wide D1 * high H1 * two wide faces are radius-of-curvature curved surfaces (101) close with tested curvature caliber, do the circular arc (102) of R1=15~25mm at an end of length L 1 direction, are used to test the beam center incidence point; The other end is done the circular arc end face (103) of R2=15~25mm and R3=35~45mm, is used to adjust scanning ratio; The middle part is equipped with the horizontal through hole along at least 5 φ (1~1.5) mm of Width, and wherein the pitch-row in two holes (104) is 3mm, and the degree of depth has 7.5mm, is used for measuring the probe longitudinal frame.The pitch-row in 3 holes (105) is 30mm, and the degree of depth is respectively 5,7,9mm, is used for measuring the probe refraction angle.The B test block also is a prolate bloom, the curved surface (101) of the length of long L2 * wide D2 * high H2 * wide two faces or close curvature identical with the measured tube external diameter; The middle part is equipped with the horizontal through hole (201) along at least 9 φ (1~1.5) mm of width D 2 directions, and the degree of depth is respectively 4mm, 6mm, 8mm, 10mm, 12mm, 14mm, 16mm, 18mm, 20mm, is used to measure the distance-wave amplitude central characteristics curve of probe.The C test block is one and half to cut open pipe, and this test block is identical or close with external radius R, the wall thickness of measured tube, an one end face and vertical plane have (90 °-β)=angled end-face (301) at γ pitch angle, wherein β is the refraction angle of probe.Be equipped with the batter post flat-bottom hole (302) of at least 5 φ (1~1.5) mm of different depth on the end face equably, be used to make distance-amplitude curve that simulated defect is set; On the inwall of middle part, be equipped with the dark flat post hole (303) of 1 φ (1~2) * 2mm at least, be used to measure 1 infrasonic wave axle intersection point angle of deviation and scanning positioning correcting; Also be equipped with the dark post hole (305) of 2 φ (1~1.5) * 2mm at least, be used for measuring the probe lateral resolution.On the outer wall of middle part, be equipped with the post hole (304) of 1 φ (1~2) * 2mm at least, be used to measure II time echo acoustic axis intersection point angle of deviation.On the inwall at middle part, at least also be equipped with deeply and be the notch of 1mm (306), be used for the root defect equivalent proportion.
When small diameter pipe welded joint is carried out ultrasonic inspection, measure the distance-amplitude curve of probe performance measurement II time echo and make when judging the flaw sensitivity curve with above-mentioned test block, just can reach acoustic loss is carried out self compensation and declared and hinder the high purpose of accuracy.
Advantage of the present utility model and beneficial effect: 1. the sensitivity conversion with the batter post flat-bottom hole is the equivalent sensitivity in ball hole, and given declaring hindered sensitivity curve more near the required sensitivity of actual stoma defective, has the high advantage of the defective accuracy of judgement.2.C test block is adopted and the external diameter that is detected pipe, tubing that wall thickness is identical or close, and set the batter post flat-bottom hole of different depth at the wall thickness interlayer, distance-the amplitude curve of the II of Zhi Zuoing time echo thus, got rid of influence to contact acoustic loss and the loss of intrinsic curvature diffuse sound, carried out self compensation, need not be as prior art, behind distance-amplitude curve of measuring the I subwave, also needing has the test block of curvature to carry out the acoustic loss correction with another piece.
Description of drawings: Fig. 1, A test block structural front view Fig. 2, A test block structure left view
Fig. 3, B test block structural front view Fig. 4, B test block structure left view
Fig. 5, C test block section of structure Fig. 6 is among the C test block angled end-face view figure: R ... the measured tube external radius
T ... measured tube thickness
101 ... curved surface
102 ... R1 circular arc end face
103 ... R2, R3 circular arc end face
104 ... 2 horizontal through holes
105 ... 3 horizontal through holes
202 ... 9 horizontal through holes
301 ... angled end-face
302 ... the batter post flat-bottom hole
303 ... 1 post hole of inwall
304 ... 1 post hole of outer wall
305 ... 2 post holes of inwall
306 ... the inwall notch
γ ... the pitch angle of angled end-face
The utility model is described in further detail with embodiment below.
Embodiment: small diameter tube welding ultrasonic inspection test block device, form by three A, B, a C test block.The A test block is probe performance measurement test block, and the B test block is the test block of probe characteristic curve determination, and the C test block is the defects detecting technology test block, promptly to the qualitative positioning and quantitative test block of defective.Among Fig. 1, the long L1 of A test block * wide D1 * high H1=160 * 15 * 38mm, its length * two wide faces are radius-of-curvature curved surfaces (101) identical with measured tube external radius R=20, do the circular arc (102) of R1=20mm at an end of length direction, are used to test the beam center incidence point; The other end is done the circular arc end face (103) of R2=20mm and R3=40mm, is used to adjust scanning ratio; The middle part is equipped with the through hole along 5 φ 1.5 of Width, and wherein the pitch-row in two holes (104) is 3mm, and the degree of depth has 7.5mm, is used for measuring the probe longitudinal frame.The pitch-row in three holes (105) is 30mm, and the degree of depth is respectively 5,7,9mm, is used for measuring the probe refraction angle.The B test block also is a prolate bloom, long L2 * wide D2 * high H2=330 * 15 * 38mm, and its length * two wide faces are curvature curved surfaces (101) identical with measured tube external radius R=20mm; The middle part is equipped with the through hole (202) along 9 φ 1.5 of Width, and the degree of depth is respectively 4mm, 6mm, 8mm, 10mm, 12mm, 14mm, 16mm, 18mm, 20mm, is used to measure the distance-wave amplitude family curve of probe.The C test block is one and half to cut open pipe, this test block has identical external radius R=20mm with measured tube, identical wall thickness T=3.5mm is arranged, segment length L3=300mm, an one end face and vertical plane have the angled end-face (301) of (90 °-68 °)=22 °, wherein 68 ° is the refraction angle of probe, be equipped with the degree of depth on the angled end-face equably and be respectively the batter post flat-bottom hole (302) of 5 φ 1.2 of 1.5mm, 2.0mm, 2.5mm, 3.0mm, 3.5mm, be used to make the setpoint distance-amplitude curve of simulated defect, also can claim to declare and hinder sensitivity curve; On the inwall of middle part, be equipped with 1 post hole (303) that φ 2 * 2mm is dark, be used to measure I infrasonic wave axle intersection point angle of deviation and scanning positioning correcting; Also be equipped with 2 post holes (304) that φ 1.5 * 2mm is dark, be used for measuring the probe lateral resolution.On the outer wall of middle part, be equipped with the post hole (305) of 1 φ 2 * 2mm, be used to measure II time echo acoustic axis intersection point angle of deviation.On the inwall at middle part, also do deeply and be the notch of 1mm (306), be used for the root defect equivalent proportion.
Claims (1)
1. small diameter tube welds ultrasonic inspection test block device, it is characterized in that: it is made up of A, B, three test blocks of C at least, and the A test block is probe performance measurement test block, and the B test block is the test block of probe characteristic curve determination, the C test block is the defects detecting technology test block, promptly to the qualitative positioning and quantitative test block of defective.Wherein, the A test block is a prolate bloom, the length of long L1 * wide D1 * high H1 * two wide faces are radius-of-curvature and the identical or close curved surface of tested curvature caliber, do the circular arc end face of R1=15~25mm at an end of length L 1 direction, the other end is done the circular arc end face of R2=15~25mm and R3=35~45mm, and the middle part is equipped with the horizontal through hole along at least 5 φ (1~1.5) mm of width D 1 direction; The B test block also is a prolate bloom, and the length of long L2 * wide D2 * high H2 * wide two faces are radius-of-curvature curved surfaces identical or close with measured tube, and the middle part is equipped with the horizontal through hole along at least 9 φ (1~1.5) mm of width D 2 directions; The C test block is one and half to cut open pipe, this test block is identical or close with radius R, the wall thickness of measured tube, an one end face be have with vertical plane (90 °-β)=angled end-face at γ pitch angle, wherein β is the refraction angle of probe, is equipped with the batter post flat-bottom hole of at least 5 φ (1~1.5) mm of different depth on the angled end-face equably; On the inwall of middle part, be equipped with the post hole of 1 φ (1~2) mm at least, also be equipped with the post hole of 2 φ (1~1.5) mm at least; On the outer wall of middle part, be equipped with the flat post hole of 1 φ (1~2) mm at least; On the inwall at middle part, also done 1 notch at least.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 97249429 CN2341147Y (en) | 1997-11-17 | 1997-11-17 | Sample for ultrasonic flaw detection for welded small diameter pipes |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 97249429 CN2341147Y (en) | 1997-11-17 | 1997-11-17 | Sample for ultrasonic flaw detection for welded small diameter pipes |
Publications (1)
Publication Number | Publication Date |
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CN2341147Y true CN2341147Y (en) | 1999-09-29 |
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CN 97249429 Expired - Fee Related CN2341147Y (en) | 1997-11-17 | 1997-11-17 | Sample for ultrasonic flaw detection for welded small diameter pipes |
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Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101308117B (en) * | 2007-05-18 | 2010-12-15 | 宝山钢铁股份有限公司 | Steel tube weld joint automatic flaw detection contrasting guide sample structure |
CN103926324A (en) * | 2014-04-08 | 2014-07-16 | 国家电网公司 | Method for detecting creep damage of main steam pipeline through ultrasonic surface waves |
US20160139081A2 (en) * | 2014-03-03 | 2016-05-19 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | System and method for a nondestructive testing of metal fusion welds at thin-walled pipes |
CN107271556A (en) * | 2017-08-09 | 2017-10-20 | 上海船舶工程质量检测有限公司 | The single probe assay method of ultrasound in a kind of heterogeneity material |
CN107505400A (en) * | 2017-08-09 | 2017-12-22 | 上海船舶工程质量检测有限公司 | Ultrasonic dual probe assay method in a kind of heterogeneity material |
CN107941924A (en) * | 2017-12-29 | 2018-04-20 | 山东电力建设第工程公司 | A kind of small diameter tube phased array ultrasonic detection multipurpose reference block |
CN109142546A (en) * | 2017-08-10 | 2019-01-04 | 大连天亿软件有限公司 | The anti-defectoscopy of developing of transverse wave double-bevel detector |
WO2019127457A1 (en) * | 2017-12-29 | 2019-07-04 | 山东电力建设第一工程公司 | Multipurpose reference testing block for phased array ultrasonic testing of small diameter tube |
CN112763583A (en) * | 2021-04-07 | 2021-05-07 | 成都飞机工业(集团)有限责任公司 | Calibration block for ultrasonic phased array sector scanning and manufacturing and using methods |
-
1997
- 1997-11-17 CN CN 97249429 patent/CN2341147Y/en not_active Expired - Fee Related
Cited By (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101308117B (en) * | 2007-05-18 | 2010-12-15 | 宝山钢铁股份有限公司 | Steel tube weld joint automatic flaw detection contrasting guide sample structure |
US20160139081A2 (en) * | 2014-03-03 | 2016-05-19 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | System and method for a nondestructive testing of metal fusion welds at thin-walled pipes |
CN103926324A (en) * | 2014-04-08 | 2014-07-16 | 国家电网公司 | Method for detecting creep damage of main steam pipeline through ultrasonic surface waves |
CN107505400B (en) * | 2017-08-09 | 2021-06-25 | 上海船舶工程质量检测有限公司 | Ultrasonic double-probe measuring method in non-uniform material |
CN107271556A (en) * | 2017-08-09 | 2017-10-20 | 上海船舶工程质量检测有限公司 | The single probe assay method of ultrasound in a kind of heterogeneity material |
CN107505400A (en) * | 2017-08-09 | 2017-12-22 | 上海船舶工程质量检测有限公司 | Ultrasonic dual probe assay method in a kind of heterogeneity material |
CN107271556B (en) * | 2017-08-09 | 2021-06-25 | 上海船舶工程质量检测有限公司 | Ultrasonic single-probe measuring method in non-uniform material |
CN109142546A (en) * | 2017-08-10 | 2019-01-04 | 大连天亿软件有限公司 | The anti-defectoscopy of developing of transverse wave double-bevel detector |
CN109142546B (en) * | 2017-08-10 | 2020-03-10 | 大连天亿软件有限公司 | Transverse wave oblique probe inverse diffraction flaw detection method |
WO2019127457A1 (en) * | 2017-12-29 | 2019-07-04 | 山东电力建设第一工程公司 | Multipurpose reference testing block for phased array ultrasonic testing of small diameter tube |
CN107941924A (en) * | 2017-12-29 | 2018-04-20 | 山东电力建设第工程公司 | A kind of small diameter tube phased array ultrasonic detection multipurpose reference block |
CN107941924B (en) * | 2017-12-29 | 2024-02-13 | 山东电力建设第一工程公司 | Multipurpose reference block for phased array ultrasonic detection of small-diameter pipe |
CN112763583A (en) * | 2021-04-07 | 2021-05-07 | 成都飞机工业(集团)有限责任公司 | Calibration block for ultrasonic phased array sector scanning and manufacturing and using methods |
CN112763583B (en) * | 2021-04-07 | 2021-08-03 | 成都飞机工业(集团)有限责任公司 | Calibration block for ultrasonic phased array sector scanning and manufacturing and using methods |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C19 | Lapse of patent right due to non-payment of the annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |