CN109596707A - It is a kind of based on position-ultrasonic signal honeycomb sandwich construction detection method - Google Patents
It is a kind of based on position-ultrasonic signal honeycomb sandwich construction detection method Download PDFInfo
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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
- G01N29/04—Analysing solids
- G01N29/048—Marking the faulty objects
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Abstract
The invention belongs to the technical fields such as aviation aerospace, traffic, building and non-destructive testing, are related to a kind of based on position-ultrasonic signal honeycomb sandwich construction detection method.Honeycomb sandwich construction detection method proposed by the present invention, testing staff can observe ultrasonic signal and its variation corresponding to each detection location point in every one scan line or column simultaneously on the instrument screen, and then P (the x shown according to instrument screen, y) variation of-A (t) signal, the differentiation of defect and the super ultrasound detection of honeycomb can more intuitively be carried out, testing staff can observe ultrasonic signal and its variation corresponding to each detection location point in every one scan line or column simultaneously on the instrument screen, and then P (the x shown according to instrument screen, y) variation of-A (t) signal, the differentiation of defect and the super ultrasound detection of honeycomb can more intuitively be carried out, simplify the differentiation difficulty of defect, to improve the accuracy of defect estimation, be conducive to improve the recall rate of defect, reduce defect erroneous judgement Rate.
Description
Technical field
The invention belongs to the technical fields such as aviation aerospace, traffic, building and non-destructive testing, are related to a kind of super based on position-
The honeycomb sandwich construction detection method of acoustical signal.
Background technique
Ultrasound is the method that predominantly detects of current honeycomb sandwich construction, is mainly received according to energy converter from detected bee
The time-domain ultrasonic signal of nest structure carries out defect estimation, mainly uses amplitude A- time t display mode, i.e. A (t) mode, such as Fig. 1
It is shown, it is put at various locations using energy converter and receives ultrasonic reflection signal or penetrate signal A (t), according to shown by instrument
Ultrasonic amplitude A (t) differentiate that the corresponding honeycomb internal sizes border face of current detection location point whether there is defect.It is main
Deficiency is: the ultrasonic signal A (t) of current detection location point is once only able to display and sees on the instrument screen, when energy converter moves
When to new detection position, the ultrasonic signal of last time detection location point disappears therewith, and since in honeycomb, energy converter is in bee
Nest wall and honeycomb case set corresponding ultrasonic signal and can change, and the presence of defect also can cause ultrasonic signal that can become
Change, to cause always to be in continuous bounce and variation in the ultrasonic signal that instrument screen is shown, the interpretation of ultrasonic signal
It is not intuitive, it is unfavorable for testing staff and carries out the differentiation of detection defect also easily causing illiteracy to increase the difficulty of defect estimation
The erroneous judgement of skin-honeycomb core adhesive defect.
Summary of the invention
The purpose of the present invention is be directed to the Ultrasonic NDT of honeycomb sandwich construction, propose a kind of more intuitive and be easy to scarce
The honeycomb supersonic detection method judged is fallen into, the accuracy of testing result is improved, reduces the erroneous judgement and omission factor of defect, is improved
The accuracy of testing result reduces the erroneous judgement and omission factor of defect.
The technical solution of the invention is as follows,
Detection system used is made of energy converter, ultrasound unit, signal processing unit, scanning element, display unit,
In: energy converter ultrasonic signal for transmitting and receiving according to selected ultrasonic reflection method or penetrates mode, selects energy converter
Frequency, pulsewidth, surface blind region, resolution ratio, acoustic beam type, acoustic beam size pulse characteristic；
Ultrasound unit ultrasonic signal for transmitting and receiving, and the amplification of detection signal, filtering processing are carried out, it selects and changes
The ultrasound unit that energy device matches, when selecting the detection of ultrasonic reflection method, ultrasound unit is matched with energy converter, selects Surface testing
Blind area is not more than 0.2mm, and frequency is wide to be selected between 20MHz-100MHz；
Signal processing unit is used to obtain the amplitude signal of the ultrasonic signal A (t) of each detection location point, and resolution ratio is not
Less than 12bit, signal takes frequency to select between 50MPS-100MPS；
Scanning element is selected for obtaining energy converter each row or column scan position coordinate signal P (x, y) during scanning
The scan position coordinate signal P corresponding to the manually or automatically scanning element acquisition energy converter with position writing function (x,
y)；The amplitude signal of ultrasonic signal A (t) and scan position coordinate signal P (x, y) are associated using display unit and again
Structure, wherein with P (x, y) for axis of abscissas, with A (t) for axis of ordinates, and believe in display unit according to scan position coordinate
Number P (x, y)-ultrasonic signal A (t) amplitude signal shown, the scan position seat that testing staff shows according to display unit
The amplitude signal and its changing rule for marking signal P (x, y)-ultrasonic signal A (t) are carried out according to set defect estimation threshold value
The differentiation of defect, and then realize the detection of honeycomb sandwich construction.
Its detecting step is as follows:
1) detection prepares: detected composite structure is placed on the workbench for being easy to implement detection；
2) each unit in connecting detection system:
A) energy converter and ultrasound unit are carried out by matching connection by high frequency coaxial connecting line；
B) ultrasound unit and signal processing unit are subjected to matching connection；
C) energy converter is mounted in scanning element and fixes position accordingly；
D) by signal processing unit detection signal output end and position units position signal output end respectively with display
The corresponding interface of unit carries out matching connection；
3) detection parameters are set:
A) each unit booting that will test in system powers on, into corresponding working interface；
B) gain of ultrasound unit is set, make to be clearly observed in display unit and carry out covering-in honeycomb
The ultrasonic signal of honeycomb core linkage interface, and be not less than its amplitude in display unit and show the 50% of screen；
C) gate parameter is set: making to come covering-honeycomb core ultrasonic signal in honeycomb and be located at set signal
In gate；
D) sweep parameter is set: according to the acceptance requirement of detected honeycomb, scanning stepping, the scanning of energy converter are set
Speed, scanning range；
4) scanning detects:
A) in the mobile energy converter in detected honeycomb surface or top, detection is scanned to detected honeycomb,
In scanning process, guarantee that acoustics couples well between energy converter and detected honeycomb surface；
B) defect is carried out according to position-ultrasonic signal P (x, y)-A (t) figure of display signal real-time display or image
Differentiation；
C) it repeats the above steps a) and b) until detection finishes；
5) detection post-processing:
A) physical identification and record are carried out to detection defect；
B) it shuts down, and clears up and carry out being detected honeycomb.
The scanning element according to be detected honeycomb shape and design feature, selection have different reference axis and
The sweep mechanism of different scanning range carries out automatically scanning detection to honeycomb.
By the coupled modes between selection energy converter and detected honeycomb surface, contact method or water spray inspection are realized
It surveys.
The testing result display mode that the display unit is taken is believed using intuitive P (x, y)-A (t) position-ultrasound
Number graphic display mode, or the image mode based on P (x, y)-A (t) show testing result.
The energy converter selection method is that energy converter can be by with transmitting/receive capabilities single transducer and one
The dual transducers that hair-one is received are constituted, and select simple venation when selecting the detection of ultrasonic reflection method for the detection of different honeycombs
The energy converter of characteristic is rushed, and matches ultrasound unit with energy converter, surface ultrasound detection blind area is not more than 0.2mm.
The present invention has the advantage that and beneficial effect, and the present invention considers energy converter and sets correspondence in honeycomb wall and honeycomb case
The presence that can change with defect of ultrasonic signal caused by the variation of ultrasonic signal cause the ultrasound shown in instrument screen
Signal is constantly beated and is changed, caused by ultrasonic signal interpretation it is not intuitive, be unfavorable for testing staff and carry out detection defect
Differentiation, increase the difficulty of defect estimation and the problems such as easily cause the erroneous judgement of covering-honeycomb core adhesive defect, propose one kind
Based on scan position signal-ultrasound amplitude signal honeycomb sandwich construction detection method, testing staff on the instrument screen can be same
When observe ultrasonic signal and its variation corresponding to each detection location point in every one scan line or column, and then according to instrument screen
The variation of P (x, y)-A (t) signal of curtain display, can more intuitively carry out the differentiation of defect and the super ultrasound of honeycomb
Detection, greatly increases the interpretation of ultrasonic testing results, is more conducive to carrying out identification and the defect estimation of honeycomb lattice, show
The differentiation difficulty for simplifying defect is write, to significantly improve the accuracy of defect estimation, is conducive to the recall rate for improving defect,
Reduce defect False Rate.
Detailed description of the invention
Fig. 1 is traditional ultrasound detection schematic diagram.
Fig. 2 is that detection system principle of the invention constitutes schematic diagram.
Fig. 3 is detection basic procedure of the invention.
Specific embodiment
Based on position-ultrasonic signal honeycomb sandwich construction detection method, detection system used is by energy converter 1, ultrasound
Unit 2, signal processing unit 3, scanning element 4, display unit 5 etc. are constituted, shown in Figure 2.Wherein:
The ultrasonic signal for transmitting and receiving of energy converter 1 according to selected ultrasonic reflection or penetrates mode and selects to change
Frequency, pulsewidth, surface blind region, resolution ratio, acoustic beam type, the acoustic beam size isopulse characteristic of energy device.
The ultrasonic signal, and the processing such as amplification, filtering for carrying out detection signal for transmitting and receiving of ultrasound unit 2, selection
The ultrasound unit 2 to match with energy converter 1.When selecting the detection of ultrasonic reflection method, ultrasound unit 2 is matched with energy converter 1, selection
Surface testing blind area is not more than 0.2mm, and frequency is wide to be selected between 20MHz-100MHz.
Signal processing unit 3 is used to obtain the amplitude signal of the ultrasonic signal A (t) of each detection location point, resolution ratio
Not less than 12bit, signal takes frequency to select between 50MPS-100MPS.
Scanning element 4 is used to obtain each row or column scan position coordinate signal P (x, y) during scanning of energy converter 1,
The manually or automatically scanning element 4 with position writing function is selected to obtain scan position coordinate signal P corresponding to energy converter 1
(x,y)。
The amplitude signal of ultrasonic signal A (t) and scan position coordinate signal P (x, y) are associated using display unit 5
And reconstruct, wherein with P (x, y) for axis of abscissas, with A (t) for axis of ordinates, and according to scan position seat in display unit 5
The amplitude signal of mark signal P (x, y)-ultrasonic signal A (t) is shown that testing staff is according to the scanning shown in display unit 5
Location coordinate signal P (x, y)-ultrasonic signal A (t) amplitude signal and its changing rule carry out defect estimation and honeycomb interlayer
Structure detection, shown in shown in Figure 2 and Fig. 3.
Detecting step is as follows:
1) detection prepares: detected composite structure is placed on the workbench for being easy to implement detection.
2) instrument and equipment connects:
A) energy converter 1 and ultrasound unit 2 are carried out by matching connection by high frequency coaxial connecting line；
B) ultrasound unit 2 and signal processing unit 3 are subjected to matching connection；
C) energy converter 1 is mounted in scanning element 5 and fixes position accordingly；
D) by the detection signal output end of signal processing unit 4 and the position signal output end of position units 5 respectively with it is aobvious
Show that the corresponding interface of unit (5) carries out matching connection.
3) detection parameters are set:
A) each unit booting that will test in system powers on, into corresponding working interface；
B) gain of ultrasound unit 2 is set, make to be clearly observed in display unit 5 and come in honeycomb 6 to cover
Skin-honeycomb core ultrasonic signal, and be not less than its amplitude in display unit 5 and show the 50% of screen；
C) gate parameter is set: making to come covering-honeycomb core ultrasonic signal in honeycomb 6 and be located at set signal
In gate
D) sweep parameter is set: according to the acceptance requirement of detected honeycomb 6, the scanning stepping of energy converter 1 being set, is swept
Retouch speed, scanning range.
4) scanning detects:
A) in the mobile energy converter 1 in detected 6 surface of honeycomb, detection is scanned to detected honeycomb 6, is scanned
In the process, guarantee that acoustics couples well between energy converter and detected 6 surface of honeycomb.
B) defect is carried out according to position-ultrasonic signal P (x, y)-A (t) figure of display 5 real-time display of signal or image
Differentiation.
C) it repeats the above steps a) and b) until detection finishes, basic testing process is shown in Figure 3.
5) detection post-processing:
A) physical identification and record are carried out to detection defect；
B) it shuts down, and clears up and carry out being detected honeycomb 6.
It, can be according to detected bee based on the scanning element 4 in position-ultrasonic signal honeycomb sandwich construction detection method
The shape and design feature of nest structure 6 select the sweep mechanism with different reference axis and different scanning range, to honeycomb
6 carry out automatically scanning detection；
Based on the ultrasonic coupling method in position-ultrasonic signal honeycomb sandwich construction detection method, by selecting transducing
Coupled modes between device 1 and detected honeycomb surface realize contact method or water spray detection；
The testing result taken based on the display unit 5 in position-ultrasonic signal honeycomb sandwich construction detection method is aobvious
Show mode, intuitive P (x, y)-A (t) position-ultrasonic signal graphic display mode can be used, or be based on P (x, y)-A (t)
Image mode show testing result.
It is energy converter 1 based on 1 selection method of energy converter in position-ultrasonic signal honeycomb sandwich construction detection method
It can be made of the dual transducers received with transmitting/receive capabilities single transducer and a hair-one, be used for different honeycombs
6 detection selects the energy converter 1 of pulse characteristic when selecting the detection of ultrasonic reflection method, and makes ultrasound unit 2 and energy converter 1
Matching, surface ultrasound detection blind area are not more than 0.2mm.
Embodiment
Using technical solution of the present invention, select the FJ series energy converter of Air China's composite material Co., Ltd as energy converter 1,
Be detected honeycomb sandwich construction skin thickness be respectively 0.5mm and 1.0mm, honeycomb core be Nomex core and aluminium honeycomb core, height
10mm, 20mm select CUS-21J the and MUI-21 detection system of Air China's composite material Co., Ltd to constitute ultrasound unit 2, signal
Processing 3, scanning element 4 and display unit 5, by the way that different gate parameters, gain, scanning stepping, scanning speed, scanning is arranged
Range selects row scanning and column scan mode, using P (x, y)-A (t) graphic display mode and image mode, respectively to coming from
The honeycomb sandwich construction of different size and specification has carried out the detection application of series, detection application the result shows that, using being invented
Position-ultrasonic signal detection method, greatly increase the interpretation of ultrasonic signal, significantly improve the accurate of defect estimation
Property, reduce defect False Rate.
Claims (6)
1. it is a kind of based on position-ultrasonic signal honeycomb sandwich construction detection method, detection system used by energy converter (1),
Ultrasound unit (2), signal processing unit (3), scanning element (4), display unit (5) are constituted, in which: energy converter (1) is for sending out
It penetrates and received ultrasonic signal, according to selected ultrasonic reflection method or penetrates mode, select the frequency, pulsewidth, table of energy converter
Face blind area, resolution ratio, acoustic beam type, acoustic beam size pulse characteristic；
Ultrasound unit (2) ultrasonic signal for transmitting and receiving, and the amplification of detection signal, filtering processing are carried out, it selects and changes
The ultrasound unit (2) that energy device (1) matches, when selecting the detection of ultrasonic reflection method, ultrasound unit (2) is matched with energy converter (1),
Surface testing blind area is selected to be not more than 0.2mm, frequency is wide to be selected between 20MHz-100MHz；
Signal processing unit (3) is used to obtain the amplitude signal A (t) of the ultrasonic signal of each detection location point, and resolution ratio is not
Less than 12bit, signal takes frequency to select between 50MPS-100MPS；
Scanning element (4) is used to obtain energy converter (1) each row or column scan position coordinate signal P (x, y) during scanning,
The manually or automatically scanning element (4) with position writing function is selected to obtain scan position coordinate corresponding to energy converter (1)
Signal P (x, y)；It is characterized in that the amplitude signal of ultrasonic signal A (t) and the coordinate of scan position are believed using display unit (5)
Number P (x, y) is associated and reconstructs, in which: with P (x, y) for axis of abscissas, with A (t) for axis of ordinates, in display unit (5)
In be reconstructed, store and show according to scan position coordinate signal P (x, y)-ultrasonic signal amplitude signal A (t), detect people
Scan position coordinate signal P (x, y)-ultrasonic signal amplitude signal A (t) curve law that member shows according to display unit (5)
Carry out honeycomb sandwich construction detection and defect estimation.
2. according to claim 1 a kind of based on position-ultrasonic signal honeycomb sandwich construction detection method, detection step
It is rapid as follows:
1) detection prepares: detected composite structure is placed on the workbench for being easy to implement detection；
2) connecting detection system each unit:
A) energy converter (1) and ultrasound unit (2) is carried out by matching connection by high frequency coaxial connecting line；
B) ultrasound unit (2) and signal processing unit (3) are subjected to matching connection；
C) energy converter (1) is mounted on scanning element (5) and fixes position accordingly；
D) by the detection signal output end of signal processing unit (4) and the position signal output end of position units (5) respectively with it is aobvious
Show that the corresponding interface of unit (5) carries out matching connection；
3) detection parameters are set:
A) each unit booting that will test in system powers on, into corresponding working interface；
The gain of ultrasound unit (2) b) is set, makes to be clearly observed to come in honeycomb (6) in display unit (5)
Covering-honeycomb core linkage interface ultrasonic signal, and make 50% of its amplitude not less than display screen in display unit (5)；
C) gate parameter is set: make to come in honeycomb (6) covering-honeycomb core linkage interface ultrasonic signal be located at it is set
Signal gate in；
D) sweep parameter is set: according to the acceptance requirement of detected honeycomb (6), the scanning stepping of energy converter (1) being set, is swept
Retouch speed, scanning range；
4) scanning detects:
A) mobile energy converter (1) on detected honeycomb (6) surface or surface, detected honeycomb (6) are carried out
Scanning Detction in scanning process, guarantees that acoustics couples well between energy converter and detected honeycomb (6) surface；
B) differentiation of defect is carried out according to the figure of P (x, the y)-A (t) of display signal (5) real-time display or image；
C) it repeats the above steps a) and b) until detection finishes；
5) detection post-processing:
A) physical identification and record are carried out to detection defect；
B) it shuts down, and clears up and carry out being detected honeycomb (6).
3. according to claim 1 a kind of based on position-ultrasonic signal honeycomb sandwich construction detection method, feature
It is that the scanning element (4) has different reference axis according to the shape and design feature for being detected honeycomb (6), selection
With the sweep mechanism of different scanning range, automatically scanning detection is carried out to honeycomb (6).
4. according to claim 1 a kind of based on position-ultrasonic signal honeycomb sandwich construction detection method, feature
It is, by the coupled modes between selection energy converter (1) and detected honeycomb surface, to realize contact method or water spray detection.
5. according to claim 1 a kind of based on position-ultrasonic signal honeycomb sandwich construction detection method, feature
It is the testing result display mode that the display unit (5) is taken, using intuitive P (x, y)-A (t) graphic display mode,
Or the image mode based on P (x, y)-A (t) shows testing result.
6. according to claim 1 a kind of based on position-ultrasonic signal honeycomb sandwich construction detection method, feature
It is that the energy converter (1) selection method is that energy converter (1) can be by with transmitting/receive capabilities single transducer and one
The dual transducers that hair-one is received are constituted, and are used for the detection of different honeycombs (6), and when selecting the detection of ultrasonic reflection method, selection is single
The energy converter (1) of pulse characteristic, and match ultrasound unit (2) with energy converter (1), surface ultrasound detection blind area is not more than
0.2mm。
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112147217A (en) * | 2019-06-28 | 2020-12-29 | 中国商用飞机有限责任公司 | Water spray penetration type ultrasonic detection method for vertical honeycomb splicing interface |
| CN114324599A (en) * | 2022-01-05 | 2022-04-12 | 天津大学 | Honeycomb sandwich plate debonding area ultrasonic C-scan quantitative method based on period reconstruction |
| CN117649031A (en) * | 2024-01-30 | 2024-03-05 | 陕西雷诺贝尔铝业有限公司 | Method and system for optimizing aluminum honeycomb panel preparation process |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61138160A (en) * | 1984-12-11 | 1986-06-25 | Toshiba Corp | Ultrasonic flaw detector |
| CN104990982A (en) * | 2015-07-31 | 2015-10-21 | 中航复合材料有限责任公司 | Automatic scanning-based cellular core sandwich structure ultrasonic imaging detection method |
| CN105548356A (en) * | 2015-12-10 | 2016-05-04 | 罗更生 | Method for detecting defects of small-bending-radius bend pipe with girth joint based on T-mode guided waves |
| CN106645414A (en) * | 2017-03-01 | 2017-05-10 | 侬泰轲（上海）检测科技有限责任公司 | Ultrasonic detecting system and method |
| CN106770669A (en) * | 2017-01-20 | 2017-05-31 | 大连理工大学 | Defect two-dimensional appearance imaging detection method based on multi-mode acoustic beam synthetic aperture focusing |
| CN108318579A (en) * | 2017-12-26 | 2018-07-24 | 中国航空工业集团公司基础技术研究院 | A kind of honeycomb co-curing structure defect ultrasonic A sweep recognition methods and device |
| CN108844978A (en) * | 2018-05-29 | 2018-11-20 | 沈阳飞机工业（集团）有限公司 | It is a kind of for detecting the new method of honeycomb interior defect |
-
2018
- 2018-12-07 CN CN201811500088.8A patent/CN109596707A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61138160A (en) * | 1984-12-11 | 1986-06-25 | Toshiba Corp | Ultrasonic flaw detector |
| CN104990982A (en) * | 2015-07-31 | 2015-10-21 | 中航复合材料有限责任公司 | Automatic scanning-based cellular core sandwich structure ultrasonic imaging detection method |
| CN105548356A (en) * | 2015-12-10 | 2016-05-04 | 罗更生 | Method for detecting defects of small-bending-radius bend pipe with girth joint based on T-mode guided waves |
| CN106770669A (en) * | 2017-01-20 | 2017-05-31 | 大连理工大学 | Defect two-dimensional appearance imaging detection method based on multi-mode acoustic beam synthetic aperture focusing |
| CN106645414A (en) * | 2017-03-01 | 2017-05-10 | 侬泰轲（上海）检测科技有限责任公司 | Ultrasonic detecting system and method |
| CN108318579A (en) * | 2017-12-26 | 2018-07-24 | 中国航空工业集团公司基础技术研究院 | A kind of honeycomb co-curing structure defect ultrasonic A sweep recognition methods and device |
| CN108844978A (en) * | 2018-05-29 | 2018-11-20 | 沈阳飞机工业（集团）有限公司 | It is a kind of for detecting the new method of honeycomb interior defect |
Non-Patent Citations (2)
| Title |
|---|
| 刘菲菲等: "蜂窝共固化结构高分辨率超声C扫描方法及应用", 《无损检测》 * |
| 肖湘等: "反应堆压力容器封头螺栓自动超声检验成像软件设计开发", 《无损检测》 * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112147217A (en) * | 2019-06-28 | 2020-12-29 | 中国商用飞机有限责任公司 | Water spray penetration type ultrasonic detection method for vertical honeycomb splicing interface |
| CN112147217B (en) * | 2019-06-28 | 2021-12-07 | 中国商用飞机有限责任公司 | Water spray penetration type ultrasonic detection method for vertical honeycomb splicing interface |
| CN114324599A (en) * | 2022-01-05 | 2022-04-12 | 天津大学 | Honeycomb sandwich plate debonding area ultrasonic C-scan quantitative method based on period reconstruction |
| CN117649031A (en) * | 2024-01-30 | 2024-03-05 | 陕西雷诺贝尔铝业有限公司 | Method and system for optimizing aluminum honeycomb panel preparation process |
| CN117649031B (en) * | 2024-01-30 | 2024-05-10 | 陕西雷诺贝尔铝业有限公司 | Method and system for optimizing aluminum honeycomb panel preparation process |
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Application publication date: 20190409 |