CN205538852U - Austenite stainless steel welding seam ultrasonic detection comprehensive properties calibrates reference block - Google Patents
Austenite stainless steel welding seam ultrasonic detection comprehensive properties calibrates reference block Download PDFInfo
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- CN205538852U CN205538852U CN201620273999.1U CN201620273999U CN205538852U CN 205538852 U CN205538852 U CN 205538852U CN 201620273999 U CN201620273999 U CN 201620273999U CN 205538852 U CN205538852 U CN 205538852U
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- 238000001514 detection method Methods 0.000 title abstract description 12
- 229910001566 austenite Inorganic materials 0.000 title abstract description 7
- 238000003466 welding Methods 0.000 title abstract description 7
- 229910001220 stainless steel Inorganic materials 0.000 title abstract 4
- 239000010935 stainless steel Substances 0.000 title abstract 4
- 238000012360 testing method Methods 0.000 claims abstract description 55
- 238000002604 ultrasonography Methods 0.000 claims description 25
- 229910000963 austenitic stainless steel Inorganic materials 0.000 claims description 22
- 230000035945 sensitivity Effects 0.000 abstract description 8
- 238000009659 non-destructive testing Methods 0.000 abstract description 5
- 238000000034 method Methods 0.000 abstract description 4
- 239000000523 sample Substances 0.000 description 6
- 230000007547 defect Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000005855 radiation Effects 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 an austenite stainless steel welding seam ultrasonic detection comprehensive properties calibrates reference block belongs to industry nondestructive testing technique field. Can not test out the technical problem whether will you please ultrasonic testing system have sufficient SNR and reach appointed sensitivity well in order to solve prior art, the utility model provides an austenite stainless steel welding seam ultrasonic detection comprehensive properties calibrates reference block which comprises the radius be L's circular arc board I, welding seam I, thickness for T's contrast test panel I, welding seam II, thickness for T's contrast test panel II, radius for L's circular arc board II, the radius circular arc board III for L2 and first through -hole. The utility model discloses mainly used tests ultrasonic testing system's SNR and sensitivity when austenite stainless steel welding seam ultrasonic detection.
Description
Technical field
This utility model relates to a kind of austenitic stainless steel weld joint ultrasound examination combination property calibration reference block, belongs to industry nothing
Damage detection technique field.
Background technology
Non-Destructive Testing to austenitic stainless steel weld joint is commonly applied on the pressure vessel that austenite manufactures, and its alternative typically has
Ray and ultrasound wave two kinds.Wherein, ray detection is applied in the manufacture process of equipment, and it has, and cost is high, efficiency is low and companion
With there being the defect of radiation damage risk, and equipment enters the military service stage, mostly because reasons in structure, it is impossible to use ray detection again
Mode.And ultrasound detection is due to austenitic weld seam tissue coarse grains and anisotropic factor, it is difficult to effectively detect.
Exploitation austenitic weld seam detecting system, overcomes the difficulty of ultrasound detection, meets sensitivity requirement, is that field of non destructive testing is badly in need of solving
Problem certainly.
Non-Destructive Testing standard JB/T4730-2005 " bearing device Non-Destructive Testing " annex N defines austenitic stainless steel weld joint
Ultrasound examination, give also the reference block of regulation sensitivity.But, existing reference block is determining Front distance and K value
Time loaded down with trivial details, and the welding procedure used in its manufacturing process is big with on-the-spot difference, cause the distance that makes with reference to existing reference block-
Amplitude curve and defect location, quantitatively differ greatly with actual.Therefore, in austenite ultrasound detection, maximum problem is existing
Some reference blocks can not test out can whether ultrasonic testing system have enough signal to noise ratios and reach the spirit specified well
Sensitivity.
Utility model content
The purpose of this utility model is the drawbacks described above overcoming existing reference block to exist, it is proposed that a kind of austenitic stainless steel weldering
Seam ultrasound examination combination property calibration reference block, it can test austenitic weld seam ultrasonic testing system signal to noise ratio and sensitivity
Power of test, it is also possible to for detection before sensitivity adjusting.
This utility model is to use following technical scheme to realize:
A kind of austenitic stainless steel weld joint ultrasound examination combination property calibration reference block, including the arc plate I that radius is L,
Weld seam I, thickness are the contrast test plate (panel) I of T, weld seam II, thickness are T the arc plate II that contrast test plate (panel) II, radius are L,
Radius is arc plate III and first through hole of L/2, wherein, passes through to weld with between contrast test plate (panel) I on the right side of described arc plate I
Connect and form weld seam I in junction, passing through be welded to connect and be connected with between contrast test plate (panel) II on the right side of described contrast test plate (panel) I
Place forms weld seam II, and the right-hand member of described contrast test plate (panel) II is provided with arc plate II and the arc plate III of connection integrated with it, described
Arc plate II is positioned at the front of arc plate III, and the thickness sum of described arc plate II and arc plate III is T, at described weld seam II
Side has more than one first through hole from top to bottom, and the centerline parallel of described first through hole is upper in its place contrast test plate (panel)
Surface, the distance of the upper surface of the centrage of all first through holes to its place contrast test plate (panel) is an arithmetic progression.
As preferably, the radius L of described arc plate I is 100mm.
As preferably, the thickness T of described contrast test plate (panel) I is 30mm.
As preferably, the thickness of described arc plate II is 5mm.
As preferably, the central angle of described arc plate I, arc plate II and arc plate III place covering of the fan is 65 °.
As preferably, the opposite side at described weld seam II has more than one second through hole, described second through hole from bottom to top
Centerline parallel in its place contrast test plate (panel) upper surface, the centrage of all second through holes to its place contrast test plate (panel) following table
The distance in face is an arithmetic progression.
As preferably, the distance of the upper surface of the centrage of described all first through holes to its place contrast test plate (panel) is that first term is
20mm, tolerance is the arithmetic progression of 20mm.
As preferably, the distance of the lower surface of the centrage of described all second through holes to its place contrast test plate (panel) be first term be 10
Mm, tolerance is the arithmetic progression of 20mm.
As preferably, the diameter of described first through hole and the second through hole is 2mm.
As preferably, described first through hole and the second through hole are tangent with the edge of weld seam II.
The beneficial effects of the utility model are:
(1) this austenitic stainless steel weld joint ultrasound examination combination property calibration reference block, can test austenite ultrasonic simultaneously
Whether detecting system has enough signal to noise ratios and the sensitivity of regulation detecting system.
(2) this austenitic stainless steel weld joint ultrasound examination combination property calibration reference block, small and exquisite and be easy to carry；
(3) this austenitic stainless steel weld joint ultrasound examination combination property calibration reference block, by doing the distribution of lead to the hole site
Optimum optimization so that adjacent holes non-interference in same reference block, thickness of slab selects at more than 30mm, can avoid side
Wall disturbs.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the top view of Fig. 1.
Fig. 3 is the schematic diagram that probe is placed in reference block by this utility model.
In figure: 1 arc plate I；2 weld seam I；3 contrast test plate (panel) I；4 weld seams II；5 contrast test plate (panel)s II；6 arc plates II；7
Arc plate III；8 first through holes；9 second through holes；10 probes.
Detailed description of the invention
The utility model is described in further detail below in conjunction with the accompanying drawings.
As shown in Figure 1 and Figure 2, to relate to the calibration of a kind of austenitic stainless steel weld joint ultrasound examination combination property right for this utility model
Ratio test block, including the arc plate I1 that radius is L, weld seam I2, thickness be the contrast test plate (panel) I3 of T, weld seam II 4, thickness be
Contrast test plate (panel) II 5, the radius of T be the arc plate II 6 of L, radius be arc plate III 7 and first through hole 8 of L/2.Wherein,
Pass through to be welded to connect and formed in junction weld seam I2 on the right side of described arc plate I1 and between contrast test plate (panel) I3, described to having a competition
Pass through on the right side of plate I3 and between contrast test plate (panel) II 5 to be welded to connect and form weld seam II 4 in junction, described contrast test plate (panel) II 5
Right-hand member is provided with arc plate II 6 and the arc plate III 7 of connection integrated with it.As in figure 2 it is shown, described arc plate II 6 is positioned at circle
The front of arc plate III 7, the thickness sum stating arc plate II 6 and arc plate III 7 is T.In the side of described weld seam II 4 (such as Fig. 1
It show the left side at weld seam II 4A edge) have more than one first through hole 8, the center of described first through hole 8 from top to bottom
Line is parallel to the upper surface of its place contrast test plate (panel), the upper surface of the centrage of all first through holes 8 to its place contrast test plate (panel)
Distance is an arithmetic progression.As it is shown in figure 1, described arc plate I1, arc plate II 6 and the circle of arc plate III 7 place covering of the fan
Heart angle is 65 °.Further, it is also possible at the opposite side (being illustrated in figure 1 the right side at weld seam II 4B edge) of described weld seam II 4
Having more than one second through hole 9 from bottom to top, the centerline parallel of described second through hole 9 is upper in its place contrast test plate (panel)
Surface, the distance of the lower surface of the centrage of all second through holes 9 to its place contrast test plate (panel) is an arithmetic progression.Described first
The position of through hole 8 and the second through hole 9 can select tangent with weld seam II 4A, B edge as shown in Figure 1 respectively.
The radius L of described arc plate I1 can be 100mm, and now the radius of corresponding arc plate II 6 and arc plate III 7 is respectively
100mm and 50mm.
The thickness T of described contrast test plate (panel) I3 is not less than 30mm.
The thickness of described arc plate II 6 can be set to 5mm.
It is 20mm that the distance of the upper surface that the centrage of described all first through holes 8 contrasts test plate (panel) to its place can be set to first term,
Tolerance is the arithmetic progression of 20mm.
It is 10mm that the distance of the lower surface that the centrage of described all second through holes 9 contrasts test plate (panel) to its place can be set to first term,
Tolerance is the arithmetic progression of 20mm.
The diameter of described first through hole 8 and the second through hole 9 all can be set to 2mm.
Use process of the present utility model is as described below:
As it is shown on figure 3, first probe 10 is placed in reference block.Then austenitic stainless steel weld joint ultrasound examination is used
The combination property calibration reference block test zero point velocity of sound: (1) carries out incidence point and the sound of test probe by R50 arc and R100 arc
Speed；(2) surveying refraction angle, the first through hole being suitable for according to selected probe selection and/or the second through hole carry out the reality at refraction angle
Survey；(3) make DAC curve, probe 10 is striden across each weld seam, fathom respectively into 10mm, 20mm, 30mm, 40mm,
The hole depth of 50mm also makes DAC curve successively.Finally, austenitic stainless steel weld joint ultrasound wave is carried out after DAC curve plotting completes
Detection.
Certainly, foregoing is only preferred embodiment of the present utility model, it is impossible to be considered for limiting reality of the present utility model
Execute example scope.This utility model is also not limited to the example above, and those skilled in the art are of the present utility model
Impartial change and the improvement etc. made in essential scope, all should belong in patent covering scope of the present utility model.
Claims (10)
1. an austenitic stainless steel weld joint ultrasound examination combination property calibration reference block, it is characterised in that: include that radius is
The arc plate I (1) of L, weld seam I (2), thickness be contrast test plate (panel) I (3) of T, weld seam II (4), thickness be the right of T
Than test plate (panel) II (5), radius be the arc plate II (6) of L, radius be arc plate III (7) and first through hole (8) of L/2,
Wherein, by being welded to connect and forming weld seam I in junction between described arc plate I (1) right side and contrast test plate (panel) I (3)
(2), by being welded to connect and forming weld seam in junction between described contrast test plate (panel) I (3) right side and contrast test plate (panel) II (5)
II (4), the right-hand member of described contrast test plate (panel) II (5) is provided with arc plate II (6) and the arc plate III (7) of connection integrated with it,
Described arc plate II (6) is positioned at the front of arc plate III (7), described arc plate II (6) and the thickness of arc plate III (7)
Sum is T, has more than one first through hole (8), described first through hole from top to bottom in the side of described weld seam II (4)
(8) centerline parallel contrasts in the upper surface of its place contrast test plate (panel), the centrage of all first through holes (8) to its place
The distance of the upper surface of test plate (panel) is an arithmetic progression.
Austenitic stainless steel weld joint ultrasound examination combination property the most according to claim 1 calibration reference block, its feature
It is: the radius L of described arc plate I (1) is 100mm.
3. according to the arbitrary described austenitic stainless steel weld joint ultrasound examination combination property calibration reference block of claim 1-2,
It is characterized in that: the thickness T of described contrast test plate (panel) I (3) is 30mm.
Austenitic stainless steel weld joint ultrasound examination combination property the most according to claim 3 calibration reference block, its feature
It is: the thickness of described arc plate II (6) is 5mm.
5. the austenitic stainless steel weld joint ultrasound examination combination property school described in or claim 4 arbitrary according to claim 1-2
Quasi-reference block, it is characterised in that: described arc plate I (1), arc plate II (6) and arc plate III (7) place covering of the fan
Central angle be 65 °.
Austenitic stainless steel weld joint ultrasound examination combination property the most according to claim 5 calibration reference block, its feature
It is: the opposite side at described weld seam II (4) has more than one second through hole (9), described second through hole (9) from bottom to top
Centerline parallel contrast test plate (panel) in the upper surface of its place contrast test plate (panel), the centrage of all second through holes (9) to its place
The distance of lower surface is an arithmetic progression.
Austenitic stainless steel weld joint ultrasound examination combination property the most according to claim 6 calibration reference block, its feature
Be: the distance of upper surface of the centrage of described all first through holes (8) to its place contrast test plate (panel) be first term be 20mm,
Tolerance is the arithmetic progression of 20mm.
8. calibrate reference block according to the austenitic stainless steel weld joint ultrasound examination combination property described in claim 6 or 7, its
Be characterised by: the distance of lower surface of the centrage of described all second through holes (9) to its place contrast test plate (panel) be first term be 10mm,
Tolerance is the arithmetic progression of 20mm.
9. calibrate reference block according to the austenitic stainless steel weld joint ultrasound examination combination property described in claim 6 or 7, its
It is characterised by: the diameter of described first through hole (8) and the second through hole (9) is 2mm.
10. calibrate reference block according to the austenitic stainless steel weld joint ultrasound examination combination property described in claim 6 or 7,
It is characterized in that: described first through hole (8) and the second through hole (9) are tangent with the edge of weld seam II (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620273999.1U CN205538852U (en) | 2016-04-05 | 2016-04-05 | Austenite stainless steel welding seam ultrasonic detection comprehensive properties calibrates reference block |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620273999.1U CN205538852U (en) | 2016-04-05 | 2016-04-05 | Austenite stainless steel welding seam ultrasonic detection comprehensive properties calibrates reference block |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205538852U true CN205538852U (en) | 2016-08-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620273999.1U Active CN205538852U (en) | 2016-04-05 | 2016-04-05 | Austenite stainless steel welding seam ultrasonic detection comprehensive properties calibrates reference block |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111307946A (en) * | 2019-11-20 | 2020-06-19 | 中国化学工程第三建设有限公司 | Ultrasonic detection method for austenitic stainless steel butt-joint welding joint |
-
2016
- 2016-04-05 CN CN201620273999.1U patent/CN205538852U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111307946A (en) * | 2019-11-20 | 2020-06-19 | 中国化学工程第三建设有限公司 | Ultrasonic detection method for austenitic stainless steel butt-joint welding joint |
| CN111307946B (en) * | 2019-11-20 | 2022-06-03 | 中国化学工程第三建设有限公司 | Ultrasonic detection method for austenitic stainless steel butt-joint welding joint |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Miao road Laoshan District 266100 of Shandong Province, Qingdao City, No. 36 Patentee after: China Petroleum & natural gas seventh Construction Co., Ltd. Address before: Miao road Laoshan District 266100 of Shandong Province, Qingdao City, No. 36 Patentee before: No.7 Building Corp., Chinese Petroleum Gas |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210315 Address after: 100032 liupukang, Xicheng District, Beijing Patentee after: CHINA NATIONAL PETROLEUM Corp. Patentee after: CHINA PETROLEUM ENGINEERING & CONSTRUCTION Corp. Patentee after: THE SEVENTH CONSTRUCTION COMPANY OF CNPC Ltd. Address before: No. 36, Miao Ling Road, Laoshan District, Qingdao, Shandong Patentee before: THE SEVENTH CONSTRUCTION COMPANY OF CNPC Ltd. |