CN202330369U - Ultrasonic inspection reference test block of friction stir welding joint - Google Patents
Ultrasonic inspection reference test block of friction stir welding joint Download PDFInfo
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- CN202330369U CN202330369U CN2011204576318U CN201120457631U CN202330369U CN 202330369 U CN202330369 U CN 202330369U CN 2011204576318 U CN2011204576318 U CN 2011204576318U CN 201120457631 U CN201120457631 U CN 201120457631U CN 202330369 U CN202330369 U CN 202330369U
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Abstract
The utility model relates to an ultrasonic inspection reference test block of a friction stir welding joint. Butt joint or T-shaped joint welding beads are arranged between two test blocks, and preset artificial defects are arranged on the test blocks and/or welding beads. The artificial defects are longitudinal flat bottom holes, transverse blind holes, V-shaped grooves and transverse through holes. The ultrasonic inspection reference test block of the friction stir welding joint provided by the utility model adopts the structure, so real objects with known defects can be simulated for debugging the ultrasonic inspection sensitivity of the friction stir welding joint, and simulated products with similar sizes and similar shapes can be inspected. When the ultrasonic reference test block used in the ultrasonic inspection process of the friction stir welding joint is used for debugging and correcting inspection equipment, the inspection sensitivity can be ensured, and meanwhile, the inspection quality of products can be ensured. The ultrasonic inspection reference test block has the advantages that the ultrasonic propagation characteristics of the products in different welding joint modes are covered, and the technical problem of reference standard lack of the ultrasonic inspection of the friction stir welding joint is solved.
Description
Technical field
The utility model relates to the friction stir welding field, the reference block of particularly a kind of friction stir welding joint ultrasound detection.
Background technology
The friction stir welding joint internal soundness is the Part Quality Control important indicator, and it adopts supersonic detection method to detect the goods internal soundness.Bigger sensitivity debugging scope after making up with probe, ultrasonic detection equipment is arranged; Choosing of its sensitivity all will be according to acoustic propagation characteristic, welding joint inherent vice orientation, acoustic propagation characteristic, welding joint thickness and the detection requirement of welding joint; Select to make in its corresponding test block the representative artificial reflecting body of suitable type and size; With its at the reflection wave of different depth, different orientation as benchmark relatively, confirm the friction stir welding joint internal soundness, detecting defects size, position and kind; Guarantee in testing process the consistance of detection system simultaneously.
The agitating friction welding technology is Britain's institute of welding (The Welding Institute; Cambridge; UK) in the invention in 1991 and the novel Solid-phase welding technology of having carried out patent protection in the world wide, also be on world's solder technology development history from inventing the shortest and Solid-phase welding technology with fastest developing speed of commercial Application time span.Owing to have many superiority at aspects such as manufacturing cost and welding qualities, this technology receives manufacturing close attention of aerospace and support always, and in 1996 friction stir welding connection technology successful Application is arrived the aerospace field.Compare with traditional arc welding method (like GTAW, GMAW etc.); The welding aspect that friction stir welding is connected on light alloy material has many superiority; As do not have when flue dust, pore-free, nothing splash, need not to add welding wire, welding need not use blanket gas, postwelding joint crystal grain is tiny, unrelieved stress is little and be out of shape advantages such as little; Internal soundness is with respect to traditional molten solder technology; Though there are not defectives such as incomplete fusion, pore in friction stir welding joint, exist weakly combine, the interface not seam etc. have be close to, trickle, defective that orientation is complicated, increased the difficulty of ultrasound detection.At present, the Dynamic Non-Destruction Measurement of friction stir welding joint still is in defective sign and detection method exploration, technological accumulation stage both at home and abroad, does not have the standard of relevant reference.
Summary of the invention
The utility model technical matters to be solved provides the reference block of a kind of friction stir welding joint ultrasound detection; Can seek welding joint ultrasonic energy propagation law and with inherent vice ultrasonic propagation characteristic standard is provided for providing, completion friction stir welding joint ultrasound detection be also evaluated defective.
For solving the problems of the technologies described above; The technical scheme that the utility model adopted is: the reference block of a kind of friction stir welding joint ultrasound detection; Have the weld seam of open joint or " T " shape joint between two test blocks, have preset artificial defect on described test block and/or the weld seam.
Described artificial defect is vertical flat-bottom hole, horizontal blind hole, " V " shape groove and horizontal through hole.
Described vertical flat-bottom hole is a plurality of vertical with weld seam, and hole bottom is plane and parallel with the weld seam face, and the blind hole that is uniformly distributed with along weld seam, and each blind hole has the different degree of depth.
Described horizontal blind hole is a plurality of parallel with weld seam, buries highly difference underground, the blind hole that the degree of depth is also different.
Be provided with a plurality of " V " shape groove at the back side of test block with open joint weld seam.
Described " V " shape channel opening angle is 45 ° or 60 °, and the degree of depth is 1-2mm, and length is 10-20mm.
In test block, be provided with a plurality of horizontal through holes with " T " shape joint welding.
Described horizontal through hole is two, has the identical height of burying underground, and the level interval of two horizontal through holes is 4/5 of mixing needle diameter D, buries underground highly to be 6/5 of test block mainboard thickness H.
Described horizontal through hole is two, is positioned on the center line of weld seam, and has the different height of burying underground, buries underground and highly is respectively 4/5 and 6/5 of test block mainboard thickness H.
The diameter of described vertical flat-bottom hole, horizontal blind hole and horizontal through hole is 0.8mm or 1.2mm.
A kind of friction stir welding joint ultrasound detection reference block that the utility model provides; Owing to adopted said structure; Can be used for simulating material object and debug the sensitivity of friction stir welding welding joint ultrasound detection, detect simulation goods with similar sizes, similar shape thereby can make with known defect.This ultrasound contrast test block of in friction stir welding welding joint ultrasound detection, using is debugged and is proofreaded checkout equipment, not only can guarantee the sensitivity that detects, can guarantee that goods detect quality simultaneously.Designing and producing of the utility model meets the requirement of ultrasound detection principle more, contained the transonic characteristic of the different welding joint forms of goods, solved the technical barrier of friction stir welding joint ultrasound detection shortage contrast standard.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the utility model is described further:
Fig. 1 is the front view of embodiment 1 in the utility model.
Fig. 2 is the A-A cut-open view of Fig. 1.
Fig. 3 is the upward view of embodiment 2 in the utility model.
Fig. 4 is the front view of embodiment 2 in the utility model.
Fig. 5 is the front view of embodiment 3 in the utility model.
Fig. 6 is the B-B cut-open view of Fig. 5.
Fig. 7 is the upward view of embodiment 4 in the utility model.
Fig. 8 is the upward view of embodiment 5 in the utility model.
Embodiment
Have the weld seam 2 of open joint or " T " shape joint between the reference block of a kind of friction stir welding joint ultrasound detection, two test blocks 1, have preset artificial defect on described test block 1 and/or the weld seam 2.
Described artificial defect is vertical flat-bottom hole 3, horizontal blind hole 4, " V " shape groove 5 and horizontal through hole 6.
Welding joint is consistent with seized connector status in manufacturing process; The employing material is 2A70; Utilize vertical incidence ultrasonic longitudinal wave method butt junction internal soundness to detect after the welding; The echo that joint inside is not higher than the noise signal amplitude shows, and any position is no more than 3dB by the basal surface reflection amplitudes variable quantity that material causes.
Through research and the formation Analysis on Mechanism that possibly produce defective to the friction stir welding joint manufacturing process; And the butt junction internal soundness is carried out statistical study; Find that weak combination, not seam, pore and type of being mingled with defective occurrence rate are high; Account for more than 90% of product defects, wherein weakly combine, not seam defective butt junction performance impact is bigger, simulates these two kinds of defectives as friction stir welding joint typical defect type for this reason.
The masterbatch of making test block is the 2A70 forging, in conjunction with the acceptance criteria of forging, guarantees the consistance of goods internal soundness; Artificial defect equivalent size is confirmed as two kinds of φ 0.8mm, φ 1.2mm, and adopts spark technology processing " V " shape groove 5,45 ° of the angles of notch; 60 °; The degree of depth is 2mm, and length is 10mm, is used for finding when transverse wave double-bevel detector detects the assessment of not seam class defective and bottom surface resolving power.
After reference block completed, for guaranteeing the long-time stability of artificial defect, artificial defect machined the back and with polytetrafluoroethylmaterial material its hole is sealed, and preventing influences testing result in the wet goods dirt entering hole.Simultaneously non-detection faces has been carried out cure process.
Concrete structure is following:
Embodiment 1:
In Fig. 1, Fig. 2, test block 1 is an open joint, and width is 80mm; Length is 50-200mm, and upper and lower surfaces need be processed and guarantee that surfaceness is not more than 6.3 μ m, gets rid of each system sensitivity error in the ultrasound detection process; Artificial defect in this example is made up of 3 identical vertical flat-bottom holes 3 of aperture; Described vertical flat-bottom hole 3 is a plurality of vertical with weld seam 2, and the blind hole that is uniformly distributed with along weld seam 2, and each blind hole has the different degree of depth.The working depth in hole is respectively 1/5,2/5,3/5 of test block 1 height H, and totally 2, its aperture C is respectively φ 0.8mm, φ 1.2mm.The item that should be noted that of processing be vertical flat-bottom hole 3 bottoms flatness and with the depth of parallelism of detection faces, vertical flat-bottom hole 3 leading indicators are the flatness and the depth of parallelism of flat-bottom hole bottom.
Embodiment 2:
In Fig. 3, Fig. 4, be that with embodiment 1 difference the artificial defect here is horizontal blind hole 4, described horizontal blind hole 4 is a plurality of parallel with weld seam 2; Bury highly difference underground, the blind hole that the degree of depth is also different is made up of 3 horizontal blind holes 4 in this example; Horizontal blind hole 4 is buried underground and highly is respectively 2/5,3/5,4/5 of test block 1 height H; Totally 2, its aperture C is respectively φ 0.8mm, φ 1.2mm.Processing should be noted that the axis of horizontal blind hole and the depth of parallelism of detection faces.
Embodiment 3:
In Fig. 5, Fig. 6, be that with embodiment 1 difference the artificial defect here is " V " shape groove 5, be used for finding when transverse wave double-bevel detector detects the assessment of not seam class defective and bottom surface resolving power.Specifically be that the back side in the test block with open joint weld seam 21 is with electrosparking a plurality of " V " shape groove 5." V " shape groove 5 opening angles are 45 ° or 60 °, and the degree of depth is 1-2mm, and length is 10-20mm.
Embodiment 4:
In Fig. 7, the joint form of test block 1 is a T connector in this example, welding technology and goods welding technology state consistency, and upper surface is identical with the product surface state; Upper surface need be processed and guarantee that surfaceness is not more than 6.3 μ m, gets rid of each system sensitivity error in the ultrasound detection process, and the artificial defect in this example is horizontal through hole 6; Described horizontal through hole 6 is two, has the identical height of burying underground, and the planimetric position is symmetrical in the weld seam center; The level interval of two horizontal through holes 6 is 4/5 of mixing needle diameter D, horizontal through hole 6, and burying underground highly is 6/5 of test block 1 mainboard height H; Totally 2, its aperture is respectively φ 0.8mm, φ 1.2mm.
Embodiment 5:
In Fig. 8, be that with embodiment 4 differences the horizontal through hole 6 in this example is two; Be positioned on the center line of weld seam 2, and have the different height of burying underground, bury underground and highly be respectively 4/5 and 6/5 of test block 1 mainboard height H; Totally 2, its aperture is respectively φ 0.8mm, φ 1.2mm.
The foregoing description only is used for further specifying the test block of the utility model friction stir welding joint ultrasound contrast and designs and produces; But the utility model is not limited to the above embodiments, and every ultrasound contrast test block according to this practical multi-form friction stir welding joint is made and all fallen in the protection domain of the utility model technical scheme.
Claims (10)
1. friction stir welding joint ultrasound detection reference block is characterized in that: have the weld seam (2) of open joint or " T " shape joint between two test blocks (1), have preset artificial defect on described test block (1) and/or the weld seam (2).
2. a kind of friction stir welding joint ultrasound detection according to claim 1 reference block is characterized in that: described artificial defect is vertical flat-bottom hole (3), horizontal blind hole (4), " V " shape groove (5) and horizontal through hole (6).
3. a kind of friction stir welding joint ultrasound detection according to claim 2 reference block; It is characterized in that: described vertical flat-bottom hole (3) is for a plurality of vertical with weld seam (2); The bottom, hole is plane and parallel with weld seam (2) face; And the blind hole that is uniformly distributed with along weld seam (2), each blind hole has the different degree of depth.
4. a kind of friction stir welding joint ultrasound detection according to claim 2 reference block is characterized in that: described horizontal blind hole (4) is buried highly difference underground, the blind hole that the degree of depth is also different for a plurality of parallel with weld seam (2).
5. a kind of friction stir welding joint ultrasound detection according to claim 2 reference block is characterized in that: be provided with a plurality of " V " shape groove (5) at the back side of the test block with open joint weld seam (2) (1).
6. a kind of friction stir welding joint ultrasound detection according to claim 5 reference block is characterized in that: described " V " shape groove (5) opening angle is 45 ° or 60 °, and the degree of depth is 1-2mm, and length is 10-20mm.
7. a kind of friction stir welding joint ultrasound detection according to claim 2 reference block is characterized in that: in the test block (1) with " T " shape joint welding (2), be provided with a plurality of horizontal through holes (6).
8. a kind of friction stir welding joint ultrasound detection according to claim 7 reference block; It is characterized in that: described horizontal through hole (6) is two; Has the identical height of burying underground; The level interval of two horizontal through holes (6) is 4/5 of mixing needle diameter D, buries underground highly to be 6/5 of test block (1) mainboard thickness H.
9. a kind of friction stir welding joint ultrasound detection according to claim 7 reference block; It is characterized in that: described horizontal through hole (6) is two; Be positioned on the center line of weld seam (2); And have the different height of burying underground, bury underground and highly be respectively 4/5 and 6/5 of test block (1) mainboard thickness H.
10. according to claim 2,3,4,7,8 or 9 described a kind of friction stir welding joint ultrasound detection reference blocks, it is characterized in that: the diameter of described vertical flat-bottom hole (3), horizontal blind hole (4) and horizontal through hole (6) is 0.8mm or 1.2mm.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204576318U CN202330369U (en) | 2011-11-18 | 2011-11-18 | Ultrasonic inspection reference test block of friction stir welding joint |
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| CN2011204576318U CN202330369U (en) | 2011-11-18 | 2011-11-18 | Ultrasonic inspection reference test block of friction stir welding joint |
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| CN202330369U true CN202330369U (en) | 2012-07-11 |
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| CN103235045A (en) * | 2013-04-22 | 2013-08-07 | 北京隆盛泰科石油管科技有限公司 | Calibration block used for automatically ultrasonically detecting submerged arc weld of steel pipe |
| CN103543206A (en) * | 2013-11-01 | 2014-01-29 | 中国航空工业集团公司北京航空材料研究院 | Method for carrying out ultrasonic inspection on residual stress of aluminium alloy pre-stretching board by water immersion |
| CN104820018A (en) * | 2015-05-13 | 2015-08-05 | 中国飞机强度研究所 | Method for detecting weld defects |
| CN106383175A (en) * | 2016-08-29 | 2017-02-08 | 中航动力股份有限公司 | Ultrasonic flaw detection test block for blade detection |
| CN106501378A (en) * | 2016-12-12 | 2017-03-15 | 北京理工大学 | A kind of integrated correction test block of ultrasonic microscope Non-Destructive Testing performance |
| CN108941965A (en) * | 2018-09-14 | 2018-12-07 | 中核核电运行管理有限公司 | Heavy water reactor spentnuclear fuel basket welds newel butt joint and welds 1#-2 comparison test block |
| CN109030132A (en) * | 2018-06-14 | 2018-12-18 | 国网安徽省电力有限公司电力科学研究院 | A kind of creep impairment reference block preparation method, damage detecting method and system |
| CN109100428A (en) * | 2018-09-18 | 2018-12-28 | 广东核电合营有限公司 | A kind of preparation method of 3 grades of HDPE pipeline A hole defects of nuclear safety |
| PL423001A1 (en) * | 2017-09-29 | 2019-04-08 | Politechnika Wrocławska | Method for quality control of connections of elements with circular cross-section, magnetically impelled arc butt welded |
| CN110208389A (en) * | 2019-05-17 | 2019-09-06 | 陕西飞机工业（集团）有限公司 | A kind of production method and device detecting the test block of tunnel type Defect Comparison |
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| CN113484423A (en) * | 2021-06-22 | 2021-10-08 | 中铁山桥集团有限公司 | T-shaped welded joint TOFD detection reference block and detection method |
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2011
- 2011-11-18 CN CN2011204576318U patent/CN202330369U/en not_active Expired - Fee Related
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| CN103235045B (en) * | 2013-04-22 | 2015-11-04 | 北京隆盛泰科石油管科技有限公司 | For the calibration block of steel pipe submerged-arc welding seam automatic ultrasonic testing |
| CN103235045A (en) * | 2013-04-22 | 2013-08-07 | 北京隆盛泰科石油管科技有限公司 | Calibration block used for automatically ultrasonically detecting submerged arc weld of steel pipe |
| CN103543206A (en) * | 2013-11-01 | 2014-01-29 | 中国航空工业集团公司北京航空材料研究院 | Method for carrying out ultrasonic inspection on residual stress of aluminium alloy pre-stretching board by water immersion |
| CN103543206B (en) * | 2013-11-01 | 2016-01-06 | 中国航空工业集团公司北京航空材料研究院 | A kind of aluminum alloy pretensioning plate unrelieved stress immersed ultrasonic test method |
| CN104820018A (en) * | 2015-05-13 | 2015-08-05 | 中国飞机强度研究所 | Method for detecting weld defects |
| CN106383175A (en) * | 2016-08-29 | 2017-02-08 | 中航动力股份有限公司 | Ultrasonic flaw detection test block for blade detection |
| CN106383175B (en) * | 2016-08-29 | 2020-02-11 | 中国航发动力股份有限公司 | Ultrasonic flaw detection test block for blade detection |
| CN106501378B (en) * | 2016-12-12 | 2019-04-05 | 北京理工大学 | A kind of integrated correction test block of ultrasonic microscope non-destructive testing performance |
| CN106501378A (en) * | 2016-12-12 | 2017-03-15 | 北京理工大学 | A kind of integrated correction test block of ultrasonic microscope Non-Destructive Testing performance |
| PL423001A1 (en) * | 2017-09-29 | 2019-04-08 | Politechnika Wrocławska | Method for quality control of connections of elements with circular cross-section, magnetically impelled arc butt welded |
| CN109030132A (en) * | 2018-06-14 | 2018-12-18 | 国网安徽省电力有限公司电力科学研究院 | A kind of creep impairment reference block preparation method, damage detecting method and system |
| CN108941965A (en) * | 2018-09-14 | 2018-12-07 | 中核核电运行管理有限公司 | Heavy water reactor spentnuclear fuel basket welds newel butt joint and welds 1#-2 comparison test block |
| CN109100428A (en) * | 2018-09-18 | 2018-12-28 | 广东核电合营有限公司 | A kind of preparation method of 3 grades of HDPE pipeline A hole defects of nuclear safety |
| CN110208389A (en) * | 2019-05-17 | 2019-09-06 | 陕西飞机工业（集团）有限公司 | A kind of production method and device detecting the test block of tunnel type Defect Comparison |
| CN112525996A (en) * | 2020-12-08 | 2021-03-19 | 中国科学院金属研究所 | Ultrasonic imaging detection method for isotropic pyrolytic graphite |
| CN113484423A (en) * | 2021-06-22 | 2021-10-08 | 中铁山桥集团有限公司 | T-shaped welded joint TOFD detection reference block and detection method |
| CN113484423B (en) * | 2021-06-22 | 2023-02-21 | 中铁山桥集团有限公司 | T-shaped welded joint TOFD detection reference block and detection method |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120711 Termination date: 20141118 |
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| EXPY | Termination of patent right or utility model |