CN106353410A - Ultrasonic phased array imaging detection device for aluminum alloy friction stir weldment - Google Patents
Ultrasonic phased array imaging detection device for aluminum alloy friction stir weldment Download PDFInfo
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- CN106353410A CN106353410A CN201610704653.7A CN201610704653A CN106353410A CN 106353410 A CN106353410 A CN 106353410A CN 201610704653 A CN201610704653 A CN 201610704653A CN 106353410 A CN106353410 A CN 106353410A
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- phased array
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- phase array
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/22—Details, e.g. general constructional or apparatus details
- G01N29/26—Arrangements for orientation or scanning by relative movement of the head and the sensor
- G01N29/262—Arrangements for orientation or scanning by relative movement of the head and the sensor by electronic orientation or focusing, e.g. with phased arrays
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/22—Details, e.g. general constructional or apparatus details
- G01N29/26—Arrangements for orientation or scanning by relative movement of the head and the sensor
- G01N29/265—Arrangements for orientation or scanning by relative movement of the head and the sensor by moving the sensor relative to a stationary material
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2291/00—Indexing codes associated with group G01N29/00
- G01N2291/02—Indexing codes associated with the analysed material
- G01N2291/023—Solids
- G01N2291/0234—Metals, e.g. steel
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2291/00—Indexing codes associated with group G01N29/00
- G01N2291/04—Wave modes and trajectories
- G01N2291/057—Angular incidence, parallel to surface propagation
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2291/00—Indexing codes associated with group G01N29/00
- G01N2291/10—Number of transducers
- G01N2291/106—Number of transducers one or more transducer arrays
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2291/00—Indexing codes associated with group G01N29/00
- G01N2291/26—Scanned objects
- G01N2291/263—Surfaces
- G01N2291/2632—Surfaces flat
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2291/00—Indexing codes associated with group G01N29/00
- G01N2291/26—Scanned objects
- G01N2291/267—Welds
- G01N2291/2675—Seam, butt welding
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- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Pressure Welding/Diffusion-Bonding (AREA)
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
Abstract
The invention relates to an ultrasonic phased array imaging detection device for an aluminum alloy friction stir weldment. The device comprises an ultrasonic phased array probe fixed on an inclined wedge block, an ultrasonic phased array circuit system, a conveyor belt, a clamping device, a control cabinet and a computer. The computer not only can control the conveyor belt and the clamping device by means of the control cabinet, but also can be connected with the ultrasonic phased array circuit system by means of a data line so as to acquire a scanned image of an ultrasonic phased array. After the image is acquired, software in the computer can perform optimized analysis and storage of the scanned image. The ultrasonic phased array imaging detection device adopts a mechanical platform and is combined with an ultrasonic phased array device, thus having the advantages of being high in degree of automation, good in continuous detection performance, rapid in detection speed, low in labor intensity, and the like; furthermore, an industrial computer is introduced into the ultrasonic phased array imaging detection device, so that the ultrasonic phased array imaging detection device can perform accurate positioning and quantitative determination on defects, and meet the requirements of industrial nondestructive testing.
Description
Technical field
The invention belongs to the cannot-harm-detection device, in particular relate to a kind of super towards aluminum alloy stirring friction welding thin plate weldment
Sound phased array imaging detection means.
Background technology
In conventional lossless detection method, ultrasound detection has that penetration power is strong, detection sensitivity is high, strong adaptability, make
With flexible and harmless the advantages of, become one of means that industrial nondestructive testing is finally wanted.Ultrasonic phase array is because of it
The performance such as flexible acoustic beam control and fast imaging, receives more and more attention, becomes field of ultrasonic nondestructive detection recently
The study hotspot growing up.
Although the arc welding of aluminium alloy is after the development of over half a century, the defect such as gas pore in weld metal, fire check,
Strength of joint loss of energy, fails thoroughly to solve the problems such as the deformation of thin-wall construction all the time.And the appearance of agitating friction weldering, base
The shortcoming eliminating arc welding in basis, its remarkable technical advantage, potential economic and social benefit have shown in aviation boat
In the popularization and application of its vehicle.
Agitating friction weldering is a kind of new Solid-phase welding technology, it avoid pore, be mingled with, the defect such as solidification cracking
Produce, be applied to the welding of aluminium alloy at first, be particularly suited for welding light metal thin plate.However, when welding condition selects
When unreasonable, occur in weld seam be close to, trickle and position to complicated defect, during using conventional ultrasonic detection equipment, detection
Efficiency comparison is low and Detection results are usually undesirable.
Content of the invention
For the problem in aluminium alloy sheet agitating friction weldment defects detection, the invention provides one kind can take into account inspection
Survey efficiency and the ultrasonic phased array imaging detection means of Detection results, its compact conformation, high degree of automation, can be in certain journey
The demand of batch detection is met on degree.
The technical scheme is that a kind of detection dress of the ultrasonic phase array towards aluminum alloy stirring friction welding thin plate weldment
Put, it is by the ultrasonic phase array probe being fixed on tapered wedges, ultrasonic phase array Circuits System, conveyer belt, clamping device, control
Cabinet processed and computer composition.On the one hand, computer provides instruction by the detection imaging software carrying, using ultrasonic phase array
Circuits System controls ultrasonic phase array probe transmitting and receipt signal, and carries out Real-time Collection to data；On the other hand, computer
Pass through cable connection with the input of switch board, the movement that can control conveyer belt and clamping device is to meet actually detected need
Will.
The present invention also following technical characteristic:
Described ultrasonic phase array probe is screwed on tapered wedges, can avoid welding using the mode of oblique incidence
The impact of seam area ripple, carries out sector scan imaging, and has good ability of discovery near surface flaw to welded seam area.Super
In sound phased array transducer, number of wafers is 32, mid frequency 10mhz, wafer pitch 0.31mm, effective aperture 9.9mm, and tapered wedges incline
Oblique angle is advisable at 45 °～60 °, and the tapered wedges that can prepare multiple angles are to meet the demand under different situations.
Described ultrasonic phase array Circuits System is made up of mainboard, master control borad, ultrasonic trigger board/receiver board, and mainboard is connected to
Ultrasonic phase array is popped one's head in, and master control borad is connected to computer, can carry out digital-to-analogue conversion, signal is changed into image.Computer pair
Each array element carries out phase control emission parameter calculating, obtains the various parameters such as phase place, frequency, amplitude, and these parameters are passed through numeral
Signal is first issued to each ultrasound emission/receiver board, and then in ultrasonic phase array probe, each passage produces excitation waveform, encourages each battle array
Unit's transmitting ultrasound wave.After ultrasonic emitting, each array element receives ultrasound echo signal, through respective receiving channel programming amplifying, band logical
After filtering, after the conversion of ultrasound emission/receiver board, data is sent into computer, wait multi-channel waveform to show, post processing etc.
Operation.
Described clamping device and conveyer belt are all controlled by switch board by computer.Clamping device can be in three-dimensional side
Move up, have coarse adjustment and accurate adjustment both of which when mobile, ensure that the ultrasonic phase array probe of clamping device front end
It is placed on ideal position.Clamping device can move along the direction parallel to weld seam with probe, when being both avoided that hand-held mobile
Image is not sufficiently stable, and can mitigate the labor intensity of testing staff again.Clamping device front end and tapered wedges bearing can carry out little
The angle of scope moves, and so can detect that different depth defect using less fan sweeping angle it is ensured that detection
Accuracy.Conveyer belt is responsible for for aluminum alloy stirring friction welding sheet member being sent to specified location reception ultrasonic phased array imaging, inspection
Survey and at once next block plate can be sent to the position specified after terminating again, continuous detecting work can be met to a certain extent
Need, effectively improve detection efficiency.
Detection imaging software is provided with described computer, ultrasonic beam can be controlled by ultrasonic phase array Circuits System
Transmitting with receive, the deflection of sound wave with focus on, positioning and the quantitative information of collection defect, optimize defect image and preservation number
According to.
The operation principle of the present invention is as follows: first aluminum alloy stirring friction welding sheet member is placed on conveyer belt, conveyer belt
Stop after being transferred to specified location.Tapered wedges are placed on a side surface of welding point by computer controls clamping device,
From Weld pipe mill about 5mm and keep tapered wedges lower surface parallel with thin sheet surface.Now, using software to ultrasonic phase array
Circuits System parameter preset, then Circuits System generation pulse signal, excitation ultrasonic phase array probe transmitting ultrasound wave, surpass simultaneously
Sound phased array probe receives echo-signal, shows weld seam sector image after analog digital conversion over the display.According to image again
The position of adjustment ultrasonic phase array probe, to ensure that sector scanning image can cover the thickness of whole thin board welding seam, it is to avoid inspection
Survey blind area.With computer by parameter preset adjustment finish after, control ultrasonic phase array probe along parallel to bead direction at the uniform velocity and
Lentamente, mobile, examine the real-time pictures on computer display, after finding defect, clamping device quits work, meter
Imaging software on calculation machine is recorded the image of defect and is preserved with position and in real time.When whole piece weld seam all detect terminate after, ultrasonic
Phased array probe returns to original position, next block aluminum alloy friction stir sheet member is placed on a moving belt, repeats this mistake
Journey, improves detection efficiency.
Beneficial effects of the present invention: propose a kind of ultrasonic phase array towards aluminum alloy stirring friction welding thin plate weldment and become
As detection means, the weld image of aluminum alloy stirring friction welding sheet member can be seen in detection process in real time, wrap in image
The position at defect place, the information such as length are included.Using tapered wedges and sector scanning, on the one hand can improve picture quality with
And detection efficiency, when on the other hand detecting, overlap covers the omission that effectively prevent defect.Package unit is simple to operate, and structure is tight
Gather, high degree of automation, can efficiently and effectively improve detection efficiency and the accuracy rate of aluminum alloy stirring friction welding sheet member.
Brief description
Fig. 1 is the schematic diagram of the ultrasonic phased array imaging detection means towards aluminum alloy stirring friction welding part of the present invention.
Specific embodiment
With reference to the accompanying drawings and examples content of the invention is described further:
As shown in figure 1, towards the ultrasonic phased array imaging detection means of aluminum alloy stirring friction welding part, it is by being fixed on
Ultrasonic phase array probe 2 on tapered wedges 1, ultrasonic phase array Circuits System 3, conveyer belt (4), clamping device 5, switch board 6 and
Computer 7 forms.
Ultrasonic phase array probe is connected with tapered wedges by screw, and the scan mode of employing is sector scanning, carries tapered wedges 1
Sector scanning can eliminate the interference of secondary lobe, increase detection range, waveform conversion can also be realized, both can carry out compressional wave inspection
Survey and can carry out shear wave detection again.In ultrasonic phase array probe, number of wafers is 32, mid frequency 10mhz, wafer pitch
0.31mm, effective aperture 9.9mm, the angle that tapered wedges tilt is advisable at 45 °～60 °, can prepare the tapered wedges of multiple angles
To adapt to the demand of different situations.Ultrasonic phase array probe is connected with ultrasonic phase array Circuits System by external cable, ultrasonic
Phased-array circuit system is made up of mainboard, master control borad, ultrasonic trigger board/receiver board, and mainboard is connected to ultrasonic phase array probe, main
Control plate is connected to computer, can carry out digital-to-analogue conversion, ultrasonic signal is changed into digital picture.Inspection software is arranged
After parameter, instruction is provided by computer, then the transmitting of ultrasonic phase array Circuits System and reception acoustic signals, carry out real time data
Collection and analysis.Ultrasonic phase array probe, ultrasonic phase array Circuits System and computer collectively constitute ultrasound phase-control array 1 system, with
When conveyer belt, clamping device and switch board constitute mechanical driving device again.Conveyer belt is responsible for aluminum alloy stirring friction welding is thin
Plate is sent to carry out ultrasound detection to it below clamping device, designs for convenience of batch detection.Clamping device is in transmission
The side of band, main effect is fixing ultrasonic phase array probe and ensures that it can be stablized and evenly move.Clamping device can
Freely neatly to move on three-dimensional, angle can be changed to ensure with small range in front end with tapered wedges bearing
Optimal detection angles and image is obtained during detection.Meanwhile, the regulation and control of clamping device movement have coarse adjustment and accurate adjustment both of which, both
Ensure that the efficiency of detection, ultrasonic beam can be allowed simultaneously to focus on exactly at the 1/2 of thickness of slab.Switch board receives computer and refers to
Order is controlled with clamping device to conveyer belt, facilitates the work of staff.
Specific detection process is as follows: first places on a moving belt by aluminum alloy stirring friction welding sheet member, conveyer belt will
It stops after being transferred to ultrasonic phase array probe lower section.Then control clamping device that tapered wedges move to the side of welding point
Surface, from Weld pipe mill about 5mm and keep tapered wedges lower surface parallel with thin sheet surface.Now, using software to ultrasonic
Phased-array circuit system enters presetting of line parameter.Start whole system, Circuits System can be by setting after the completion of parameter setting
Delay rule produce pulse signal, by cable encourage ultrasonic phase array probe transmitting ultrasound wave, it is ultrasonic that each chip sends
The ultrasonic beam that ripple can synthesize with focusing effect enters aluminum alloy stirring friction welding sheet member, and the signal of telecommunication after reflection is visited
Head receives, and signal of telecommunication synthetic digital signal is passed to computer by the delay rule setting it is possible to show by Circuits System
Real time imaging is observed on device.Now need to adjust clamping device again according to real time imaging, allow sector scanning image cover as far as possible
The thickness of whole thin board welding seam, it is to avoid the blind area of detection.Control ultrasonic phase array probe edge uniform parallel to bead direction afterwards
And lentamente move, examine the real-time pictures on computer display, after finding defect, clamping device quits work,
Imaging software on computer can be recorded the image of defect and preserve with position and in real time, be easy to follow-up research.When whole piece weldering
Seam all detects after finishing, and controls ultrasonic phase array probe to return to original position, to detect next block test specimen.
The above, be only presently preferred embodiments of the present invention, not the present invention is made with any pro forma restriction, though
So the present invention is disclosed above with preferred embodiment, but is not limited to the present invention, any is familiar with this professional technology people
Member, in the range of without departing from technical solution of the present invention, when the technology contents of available the disclosure above make a little change or modification
For the Equivalent embodiments of equivalent variations, as long as being without departing from technical solution of the present invention content, according to the technical spirit of the present invention,
Within the spirit and principles in the present invention, any simple modification, equivalent and improvement that above example is made etc., all still
Belong within the protection domain of technical solution of the present invention.
Claims (4)
1. a kind of ultrasonic phased array imaging detection means towards aluminum alloy stirring friction welding thin plate weldment, it includes being fixed on tiltedly
Ultrasonic phase array probe (2) on voussoir (1), ultrasonic phase array Circuits System (3), conveyer belt (4), clamping device (5), control
Cabinet (6) and computer (7) are it is characterised in that described conveyer belt (4), clamping device (5) and switch board (6) together constitute machine
Tool actuating device, computer (7) passes through switch board (6) and can realize the automatic inspection of weldment to be detected by control machinery actuating device
Survey.Tapered wedges (1) are fixed in described clamping device (5) front end by screw, and it can move on three-dimensional simultaneously,
The position of ultrasonic phase array probe (2) is adjusted it is ensured that itself relative position and weld seam between with this, to meet real-time monitoring
Demand, described ultrasonic phase array probe (2), ultrasonic phase array Circuits System (3) and computer (7) constitute ultrasound phase-control array 1 system
Main body, computer (7) can real-time adjustment relevant parameter to change the yawing moment of ultrasonic beam and focal position to obtain
Good image.Inspection software is arranged on computer (7), to optimizing detection image and can save the image for further point
Analysis.
2. a kind of ultrasonic phased array imaging inspection towards aluminum alloy stirring friction welding thin plate weldment according to claims 1
Survey device it is characterised in that: described ultrasonic phase array probe (2) is screwed on tapered wedges (1), and ultrasonic phase array is visited
Head (2) is made up of 32 chip ultrasonic components, and the inclination angle of tapered wedges (1) can be replaced according to practical situation.
3. a kind of ultrasonic phased array imaging detection towards aluminum alloy stirring friction welding thin plate weldment according to claim 1
Device it is characterised in that: described ultrasonic phase array Circuits System (3) includes mainboard, master control borad, ultrasonic trigger board/receiver board.
4. a kind of ultrasonic phased array imaging detection towards aluminum alloy stirring friction welding thin plate weldment according to claim 1
Device it is characterised in that: on described computer (7), detection imaging software is installed, can be by the circuit system of ultrasonic phase array
System control ultrasonic beam transmitting with receive, the deflection of sound wave with focus on, collection defect positional information, optimize defect image with
And the function of preserving.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610704653.7A CN106353410A (en) | 2016-08-22 | 2016-08-22 | Ultrasonic phased array imaging detection device for aluminum alloy friction stir weldment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610704653.7A CN106353410A (en) | 2016-08-22 | 2016-08-22 | Ultrasonic phased array imaging detection device for aluminum alloy friction stir weldment |
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| Publication Number | Publication Date |
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| CN106353410A true CN106353410A (en) | 2017-01-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610704653.7A Withdrawn CN106353410A (en) | 2016-08-22 | 2016-08-22 | Ultrasonic phased array imaging detection device for aluminum alloy friction stir weldment |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106814135A (en) * | 2017-01-26 | 2017-06-09 | 吉林大学 | The phased array supersonic automatic checkout system and method for electric arc plug welds |
| CN109541041A (en) * | 2019-01-28 | 2019-03-29 | 国电锅炉压力容器检验有限公司 | A kind of ultrasonic phase array plate detection system and its mobile limiting device of popping one's head in |
| CN110108803A (en) * | 2019-05-08 | 2019-08-09 | 上海航天设备制造总厂有限公司 | A kind of device and method of the mixing needle broken pin test based on voice sending sensor |
| CN110687198A (en) * | 2019-10-11 | 2020-01-14 | 江西省锅炉压力容器检验检测研究院 | Method for detecting welding seam defect types of friction stir welding by ultrasonic phased array |
| CN111983030A (en) * | 2020-08-20 | 2020-11-24 | 南京中车浦镇城轨车辆有限责任公司 | Friction welding seam defect quantitative detection method and system based on ultrasonic phased array |
| CN112051330A (en) * | 2020-08-31 | 2020-12-08 | 四川云卓创新科技有限公司 | Ultrasonic plate wave automatic detection system |
| CN112255317A (en) * | 2020-10-09 | 2021-01-22 | 中国航发北京航空材料研究院 | High-sensitivity ultrasonic detection device and method for airplane sheet friction stir welding |
| CN113092588A (en) * | 2020-01-08 | 2021-07-09 | 四川大学 | Ultrasonic phased array detection device and detection method |
| CN113155970A (en) * | 2021-05-10 | 2021-07-23 | 南京晨光集团有限责任公司 | Automatic system for online detection of internal defects of friction stir welding |
-
2016
- 2016-08-22 CN CN201610704653.7A patent/CN106353410A/en not_active Withdrawn
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106814135A (en) * | 2017-01-26 | 2017-06-09 | 吉林大学 | The phased array supersonic automatic checkout system and method for electric arc plug welds |
| CN106814135B (en) * | 2017-01-26 | 2019-03-15 | 吉林大学 | The phased array supersonic automatic testing method of electric arc plug welds |
| CN109541041A (en) * | 2019-01-28 | 2019-03-29 | 国电锅炉压力容器检验有限公司 | A kind of ultrasonic phase array plate detection system and its mobile limiting device of popping one's head in |
| CN110108803A (en) * | 2019-05-08 | 2019-08-09 | 上海航天设备制造总厂有限公司 | A kind of device and method of the mixing needle broken pin test based on voice sending sensor |
| CN110108803B (en) * | 2019-05-08 | 2021-10-01 | 上海航天设备制造总厂有限公司 | Device and method for detecting broken pin of stirring pin based on acoustic emission sensing |
| CN110687198A (en) * | 2019-10-11 | 2020-01-14 | 江西省锅炉压力容器检验检测研究院 | Method for detecting welding seam defect types of friction stir welding by ultrasonic phased array |
| CN113092588A (en) * | 2020-01-08 | 2021-07-09 | 四川大学 | Ultrasonic phased array detection device and detection method |
| CN111983030A (en) * | 2020-08-20 | 2020-11-24 | 南京中车浦镇城轨车辆有限责任公司 | Friction welding seam defect quantitative detection method and system based on ultrasonic phased array |
| CN112051330A (en) * | 2020-08-31 | 2020-12-08 | 四川云卓创新科技有限公司 | Ultrasonic plate wave automatic detection system |
| CN112255317A (en) * | 2020-10-09 | 2021-01-22 | 中国航发北京航空材料研究院 | High-sensitivity ultrasonic detection device and method for airplane sheet friction stir welding |
| CN113155970A (en) * | 2021-05-10 | 2021-07-23 | 南京晨光集团有限责任公司 | Automatic system for online detection of internal defects of friction stir welding |
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