CN110261480B - System and method for rapidly testing acoustic emission response performance of piezoelectric material - Google Patents
System and method for rapidly testing acoustic emission response performance of piezoelectric material Download PDFInfo
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- CN110261480B CN110261480B CN201910642532.8A CN201910642532A CN110261480B CN 110261480 B CN110261480 B CN 110261480B CN 201910642532 A CN201910642532 A CN 201910642532A CN 110261480 B CN110261480 B CN 110261480B
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- 230000004044 response Effects 0.000 title claims abstract description 45
- 238000012360 testing method Methods 0.000 title claims abstract description 36
- 239000000463 material Substances 0.000 title claims abstract description 26
- 238000000034 method Methods 0.000 title claims description 10
- 239000002184 metal Substances 0.000 claims abstract description 58
- 230000005284 excitation Effects 0.000 claims abstract description 34
- 229920000642 polymer Polymers 0.000 claims description 33
- 239000000919 ceramic Substances 0.000 claims description 17
- KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical compound [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 claims description 3
- 239000003733 fiber-reinforced composite Substances 0.000 claims description 3
- 239000011810 insulating material Substances 0.000 claims description 3
- 239000005011 phenolic resin Substances 0.000 claims description 3
- 229920001568 phenolic resin Polymers 0.000 claims description 3
- 229920005372 Plexiglas® Polymers 0.000 claims description 2
- 239000004926 polymethyl methacrylate Substances 0.000 claims description 2
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- 239000002861 polymer material Substances 0.000 abstract description 4
- 238000000605 extraction Methods 0.000 abstract description 3
- 238000004806 packaging method and process Methods 0.000 abstract description 3
- 238000007747 plating Methods 0.000 abstract description 3
- 238000001514 detection method Methods 0.000 description 3
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Classifications
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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
-
- 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
- G01N29/223—Supports, positioning or alignment in fixed situation
Abstract
The invention discloses a system for rapidly testing acoustic emission response performance of a piezoelectric material, which comprises a testing device, an excitation signal generating device and a signal acquisition device, wherein the excitation signal generating device is connected with the testing device; the testing device comprises a supporting seat, a metal pressure head, a metal base and a spring, wherein the supporting seat comprises a bottom plate and a support, the support is arranged on the bottom plate, the metal base is arranged on the bottom plate, and the metal pressure head is in an inverted H shape and comprises a first pressure head, a connecting rod and a second pressure head. The system of the invention can realize rapid test of the response performance of the system to acoustic emission signals without plating electrodes, packaging and signal extraction on the piezoelectric polymer material.
Description
Technical Field
The invention relates to the technical field of acoustic emission sensing, in particular to a system and a method for rapidly testing acoustic emission response performance of piezoelectric materials.
Background
The acoustic emission detection technology is widely applied to nondestructive detection of materials, and the acoustic emission sensor is a key device for acoustic emission detection, wherein the piezoelectric sensor is the acoustic emission sensor which is most popular and widely applied at present. Piezoelectric polymers (such as PVDF and its copolymers) are a class of piezoelectric materials of great interest because of their light weight, ease of molding, flexibility, and the like. However, since the piezoelectric polymer belongs to a dielectric material, electrodes are plated on the surface of the piezoelectric polymer, the piezoelectric polymer is packaged and a signal wire is led out when the piezoelectric polymer is subjected to performance test in the prior art, and the process is complex, tedious, time-consuming and labor-consuming, and brings more inconvenience for material-level research.
Disclosure of Invention
The invention aims to overcome the defects in the background art, and provides a system and a method for rapidly testing acoustic emission response performance of a piezoelectric polymer material, which can rapidly test the response performance of the piezoelectric polymer material to acoustic emission signals without plating electrodes, packaging and signal extraction.
In order to achieve the technical effects, the invention adopts the following technical scheme:
a system for rapidly testing acoustic emission response performance of piezoelectric materials comprises a testing device, an excitation signal generating device and a signal acquisition system; the testing device comprises a supporting seat, a metal pressure head, a metal base and a spring, wherein the supporting seat comprises a bottom plate and a support, the support is arranged on the bottom plate, the metal base is arranged on the bottom plate, the metal pressure head is in an inverted H shape and comprises a first pressure head, a connecting rod and a second pressure head, the two ends of the connecting rod after passing through the support are respectively connected with the first pressure head and the second pressure head, the second pressure head is in pressure connection with the metal base, and the spring with the two ends respectively abutted against the second pressure head and the support is sleeved on the connecting rod; the second pressure head can be applied with a certain pretightening force through the spring, so that a sample to be measured is better clamped between the second pressure head and the metal base, the excitation signal generating device acts on the bottom plate to generate an excitation signal, the excitation signal is transmitted to the sample to be measured through the bottom plate, the signal acquisition system is respectively and electrically connected with the metal pressure head and the metal base, wherein the metal pressure head is used as positive electrode output to be connected with the signal acquisition system, the metal base is used as negative electrode output to be connected with the signal acquisition system, and the signal acquisition system is used for acquiring a voltage response signal generated by the sample to be measured and displaying and analyzing data.
Further, the support of the support seat is L-shaped, and/or the bottom plate and the support are integrally formed.
Further, the support base is made of an insulating material.
Further, the support base is made of plexiglas, phenolic resin or fiber reinforced composite material.
Further, the signal acquisition system comprises a signal acquisition device and a preamplifier, wherein the signal acquisition device is an acoustic emission signal acquisition instrument or an oscilloscope, and the signal acquisition device is directly realized by adopting the existing acoustic emission signal acquisition instrument or oscilloscope.
Further, the signal acquisition device is connected with the output end of the pre-amplifier through a coaxial cable, the input end of the pre-amplifier is respectively connected with the metal pressure head and the metal base through the coaxial cable, specifically, the output end of the pre-amplifier is connected with the acoustic emission signal acquisition instrument through the coaxial cable, and the input end of the pre-amplifier is respectively electrically connected with the metal pressure head and the metal base through the positive electrode and the negative electrode of the coaxial cable.
Further, the excitation signal generating device comprises a signal generator and a piezoelectric ceramic sensor, wherein the signal generator is electrically connected with the piezoelectric ceramic sensor, and the piezoelectric ceramic sensor is arranged on the bottom plate.
Further, the piezoelectric ceramic sensor is adhered to the bottom plate.
Meanwhile, the invention also discloses a method for rapidly testing the acoustic emission response performance of the piezoelectric material, which is realized by the system for rapidly testing the acoustic emission response performance of the piezoelectric material and specifically comprises the following steps:
A. the signal acquisition system is electrically connected with the metal pressure head and the metal base respectively;
B. clamping a piezoelectric polymer sample to be tested on the second pressure head and the metal base;
C. generating an excitation signal on a bottom plate of the supporting seat through an excitation signal generating device;
D. transmitting an excitation signal to a piezoelectric polymer sample to be tested by a bottom plate, and enabling the piezoelectric polymer sample to be tested to generate voltage response;
E. and the signal acquisition system acquires a voltage response signal generated by the piezoelectric polymer sample, so that the response performance of the piezoelectric polymer sample to be tested to the acoustic emission signal is analyzed.
Further, in the step C, the excitation signal may be generated by a lead breaking, ball falling or signal generator, and/or the signal acquisition system includes a signal acquisition device and a preamplifier, and the step E specifically includes: the voltage response generated by the piezoelectric polymer sample to be tested is amplified by the preamplifier and then transmitted to the signal acquisition device, so that the response performance of the piezoelectric polymer sample to be tested to the acoustic emission signal is analyzed.
Compared with the prior art, the invention has the following beneficial effects:
the system and the method for rapidly testing the acoustic emission response performance of the piezoelectric material can rapidly test the response performance of the piezoelectric polymer material to the acoustic emission signal without plating electrodes, packaging and signal extraction, and the testing device in the system has the advantages of simple structure and convenient use, and can greatly save cost and development time.
Drawings
FIG. 1 is a front view of a testing device in one embodiment of the invention.
FIG. 2 is a top view of a test device in one embodiment of the invention.
Fig. 3 is a schematic diagram of a system for rapidly testing the acoustic emission response performance of a piezoelectric material in accordance with the present invention.
Reference numerals: 11-supporting seat, 12-metal pressure head, 13-metal base, 14-spring, 111-bottom plate, 112-support, 121-first pressure head, 122-connecting rod, 123-second pressure head, 21-signal generator, 22-piezoceramics sensor, 31-acoustic emission signal acquisition instrument, 32-display, 33-preamplifier, 4-coaxial cable, 200-piezoceramics polymer sample to be tested.
Detailed Description
The invention is further illustrated and described below in connection with the following examples of the invention.
Examples:
embodiment one:
a system for rapidly testing acoustic emission response performance of piezoelectric materials comprises a testing device, an excitation signal generating device and a signal acquisition system.
As shown in fig. 1 and 2, the testing device includes a supporting seat 11, a metal pressure head 12, a metal base 13 and a spring 14, wherein the supporting seat 11 includes a bottom plate 111 and a bracket 112, the bracket 112 is disposed on the bottom plate 111, the metal base 13 is mounted on the bottom plate 111, in this embodiment, the metal pressure head 12 is in an inverted H-shape and specifically includes a first pressure head 121, a connecting rod 122 and a second pressure head 123, two ends of the connecting rod 122 after passing through the bracket 112 are respectively connected with the first pressure head 121 and the second pressure head 123, the second pressure head 123 is in pressure connection with the metal base 13, and the spring 14 with two ends respectively abutting against the second pressure head 123 and the bracket 112 is sleeved on the connecting rod 122; a certain pretightening force can be applied to the second pressure head 123 through the spring 14, so that the sample to be measured is better clamped between the second pressure head 123 and the metal base 13.
Preferably, in the present embodiment, the supporting seat 11 is made of an insulating material, such as organic glass, phenolic resin or fiber reinforced composite material, and the bracket 112 of the supporting seat 11 is L-shaped, and the bottom plate 111 and the bracket 112 are integrally formed.
The excitation signal generating device acts on the base plate 111 to generate an excitation signal, so that the excitation signal is transmitted to the sample to be tested through the base plate 111, the excitation signal can be generated by a lead breaking mode, a ball falling mode or a mode of emitting by the signal generator 21, in the embodiment, the excitation signal generating device comprises the signal generator 21 and the piezoelectric ceramic sensor 22, the signal generator 21 and the piezoelectric ceramic sensor 22 are all existing mature products, the signal generator 21 is electrically connected with the piezoelectric ceramic sensor 22, and the piezoelectric ceramic sensor 22 is adhesively mounted on the base plate 111.
The signal acquisition system is electrically connected with the metal pressure head 12 and the metal base 13 respectively and is used for acquiring voltage response signals generated by a sample to be tested and displaying and analyzing data. In this embodiment, the signal acquisition system is specifically composed of a preamplifier and a signal acquisition device, the signal acquisition device is an acoustic emission signal acquisition instrument 31 or an oscilloscope, and the signal acquisition device is directly an acoustic emission signal acquisition instrument 31 or an oscilloscope, and as an optimization, in this embodiment, the signal acquisition device is specifically realized through the acoustic emission signal acquisition instrument 31 and a matched display 32 thereof, the acoustic emission signal acquisition instrument 31 is specifically connected with an output end of the preamplifier 33 through a coaxial cable 4, an input end of the preamplifier 33 is specifically connected with the metal pressure head 12 and the metal base 13 through the coaxial cable 4, and specifically, when in use, a voltage signal generated by the piezoelectric polymer sample 200 to be measured is transmitted to the preamplifier 33 through the metal pressure head 12 and the metal base 13, and is transmitted to the acoustic emission signal acquisition instrument 31 after being amplified through the preamplifier 33, and the data are displayed through the acoustic emission signal acquisition instrument 31 and the display 32.
As shown in fig. 3, when in use, the input end of the preamplifier 33 of the present embodiment is connected with the metal pressure head 12 as the positive electrode and the metal base 13 as the negative electrode respectively through the coaxial cable 4, the output end of the preamplifier 33 is connected with the acoustic emission signal acquisition instrument 31 through the coaxial cable 4, then the piezoelectric polymer sample 200 to be tested is clamped on the second pressure head 123 and the metal base 13, the piezoelectric polymer sample 200 to be tested can be clamped between the second pressure head 123 and the metal base 13 relatively firmly through the thrust exerted by the spring 14 on the second pressure head 123, then the piezoelectric ceramic sensor 22 is adhered on the bottom plate 111, and the piezoelectric ceramic sensor 22 is connected with the signal generator 21 through the signal wire, thus the signal generator 21 can be started, the voltage signal is generated by the signal generator 21 and transmitted to the piezoelectric ceramic sensor 22, the piezoelectric ceramic sensor 22 converts the voltage signal into mechanical output, so that an excitation signal is generated on the bottom plate 111, the excitation signal is transmitted to the piezoelectric polymer sample 200 to be tested by the bottom plate 111, the piezoelectric polymer sample 200 to be tested generates a voltage response signal, the voltage response signal generated by the piezoelectric polymer sample 200 to be tested is transmitted to the preamplifier 33 by the metal pressure head 12 and the metal base 13 through the coaxial cable 4 for signal amplification, the signal is transmitted to the acoustic emission signal acquisition instrument 31 after being amplified by the preamplifier 33, and the voltage response signal acquired by the acoustic emission signal acquisition instrument 31 is displayed by the display 32, so that the response performance of the piezoelectric polymer sample 200 to be tested to the acoustic emission signal is analyzed.
Specifically, in this embodiment, the acoustic emission signal acquisition instrument 31 is selected from the following types: the model of the piezoelectric ceramic sensor 22 selected for the Express8 acoustic emission system of the american Physical Acoustic Company (PAC) is: a PACWD acoustic emission sensor from american Physical Acoustic Corporation (PAC) selected for the model number of signal generator 21 is: agilent 33250A signal generator, the model of the pre-amplifier 33 is: PACAE5A preamplifier from America Physical Acoustic Co (PAC).
Example two
The method for rapidly testing the acoustic emission response performance of the piezoelectric material is realized by the system for rapidly testing the acoustic emission response performance of the piezoelectric material, and specifically comprises the following steps:
step one: the signal acquisition system is electrically connected with the metal pressure head 12 and the metal base 13 respectively.
The signal acquisition system in this embodiment is composed of a preamplifier 33 and a signal acquisition device, the signal acquisition device is an acoustic emission signal acquisition instrument 31 and a display 32 matched with the acoustic emission signal acquisition instrument 31, the acoustic emission signal acquisition instrument 31 is specifically connected with the output end of the preamplifier 33 through a coaxial cable 4, and the input end of the preamplifier 33 is connected with the metal pressure head 12 and the metal base 13 through the coaxial cable 4.
Step two: the piezoelectric polymer sample 200 to be measured is clamped on the second indenter 123 and the metal base 13.
Step three: the excitation signal is generated on the bottom plate 111 of the support 11 by excitation signal generating means.
Specifically, the excitation signal may be generated by a lead breaking, ball falling or signal generator 21, and in this embodiment, the excitation signal generating device is implemented by the signal generator 21 and the piezoceramic sensor 22 connected to each other, so that the excitation signal is generated by the signal generator 21 and transmitted to the piezoceramic sensor 22, and the piezoceramic sensor 22 converts the voltage signal into a mechanical output, thereby generating the excitation signal on the base plate 111.
Step four: the excitation signal is transmitted to the piezoelectric polymer sample 200 to be measured by the base plate 111, and the piezoelectric polymer sample 200 to be measured is made to generate a voltage response.
Step five: the voltage response generated by the piezoelectric polymer sample 200 to be tested is amplified by the pre-amplifier 33 and then transmitted to the signal acquisition device, so that the response performance of the piezoelectric polymer sample to be tested to the acoustic emission signal is analyzed, namely, the signal is amplified by the pre-amplifier 33 and then transmitted to the acoustic emission signal acquisition instrument 31, and the voltage response signal acquired by the acoustic emission signal acquisition instrument 31 is displayed by the display 32, so that the response performance of the piezoelectric polymer sample 200 to be tested to the acoustic emission signal is analyzed.
It is to be understood that the above embodiments are merely illustrative of the application of the principles of the present invention, but not in limitation thereof. Various modifications and improvements may be made by those skilled in the art without departing from the spirit and substance of the invention, and are also considered to be within the scope of the invention.
Claims (8)
1. The system for rapidly testing the acoustic emission response performance of the piezoelectric material is characterized by comprising a testing device, an excitation signal generating device and a signal acquisition system; the testing device comprises a supporting seat, a metal pressure head, a metal base and a spring, wherein the supporting seat comprises a bottom plate and a support, the support is arranged on the bottom plate, the metal base is arranged on the bottom plate, the metal pressure head is in an inverted H shape and comprises a first pressure head, a connecting rod and a second pressure head, the two ends of the connecting rod after passing through the support are respectively connected with the first pressure head and the second pressure head, the second pressure head is in pressure connection with the metal base, and the spring with the two ends respectively abutted against the second pressure head and the support is sleeved on the connecting rod;
the excitation signal generating device acts on the bottom plate to generate an excitation signal, and the signal acquisition system is respectively and electrically connected with the metal pressure head and the metal base; the supporting seat is made of an insulating material; the signal acquisition system comprises a signal acquisition device and a pre-amplifier, wherein the signal acquisition device is an acoustic emission signal acquisition instrument or an oscilloscope.
2. The system for rapidly testing acoustic emission response performance of piezoelectric materials according to claim 1, wherein the support of the support base is L-shaped and/or the base plate and the support are integrally formed.
3. The system for rapidly testing acoustic emission response properties of a piezoelectric material according to claim 1, wherein the support is made of plexiglas, phenolic resin or fiber reinforced composite material.
4. The system for rapidly testing acoustic emission response performance of piezoelectric materials according to claim 1, wherein the signal acquisition device is connected with the output end of the preamplifier through a coaxial cable, and the input end of the preamplifier is connected with the metal pressure head and the metal base through the coaxial cable respectively.
5. The system for rapidly testing acoustic emission response performance of piezoelectric materials according to claim 1, wherein the excitation signal generating device comprises a signal generator and a piezoelectric ceramic sensor, the signal generator is electrically connected with the piezoelectric ceramic sensor, and the piezoelectric ceramic sensor is mounted on the bottom plate.
6. The system for rapidly testing acoustic emission response properties of a piezoelectric material according to claim 5, wherein the piezoelectric ceramic sensor is bonded to the substrate.
7. A method for rapidly testing acoustic emission response performance of a piezoelectric material, which is realized by the system for rapidly testing acoustic emission response performance of a piezoelectric material according to claim 1, and specifically comprises the following steps:
A. the signal acquisition system is electrically connected with the metal pressure head and the metal base respectively;
B. clamping a piezoelectric polymer sample to be tested on the second pressure head and the metal base;
C. generating an excitation signal on a bottom plate of the supporting seat through an excitation signal generating device;
D. transmitting an excitation signal to a piezoelectric polymer sample to be tested by a bottom plate, and enabling the piezoelectric polymer sample to be tested to generate voltage response;
E. and the signal acquisition system acquires a voltage response signal generated by the piezoelectric polymer sample, so that the response performance of the piezoelectric polymer sample to be tested to the acoustic emission signal is analyzed.
8. The method according to claim 7, wherein in the step C, the excitation signal may be generated by a lead breaking, ball drop or signal generator, and/or the signal acquisition system comprises a signal acquisition device and a preamplifier, and the step E specifically comprises: the voltage response generated by the piezoelectric polymer sample to be tested is amplified by the preamplifier and then transmitted to the signal acquisition device, so that the response performance of the piezoelectric polymer sample to be tested to the acoustic emission signal is analyzed.
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Citations (32)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SU1221585A1 (en) * | 1984-04-25 | 1986-03-30 | МВТУ им.Н.Э.Баумана | Arrangement for ultrasonic inspection |
SU1411660A1 (en) * | 1986-10-04 | 1988-07-23 | В. Л. Сорокин | Device for checking properties of materials by signals of acoustic emission |
SU1457587A1 (en) * | 1987-03-13 | 1990-09-15 | Предприятие П/Я А-1758 | Device for calibrating transducers of acoustic emission signals |
JPH0694574A (en) * | 1992-09-10 | 1994-04-05 | Nissan Motor Co Ltd | Detection of generation of destruction of interlocking gear and pressure-sensitive sheet used therein |
JPH06331673A (en) * | 1993-05-19 | 1994-12-02 | Toyota Motor Corp | Device for inspecting ae sensor |
JPH10177049A (en) * | 1996-12-18 | 1998-06-30 | Rion Co Ltd | Piezoelectric element characteristic testing device |
KR20010028623A (en) * | 1999-09-22 | 2001-04-06 | 김영진 | The acoustic emission sensor by use of the fiber-optic cantilever |
JP2003315294A (en) * | 2002-04-18 | 2003-11-06 | Mitsubishi Materials Corp | Material constant measurement instrument for piezoelectric substrate |
JP2005354281A (en) * | 2004-06-09 | 2005-12-22 | Ishikawajima Inspection & Instrumentation Co | Ultrasonic probe for high temperature |
RU2008107657A (en) * | 2008-02-27 | 2009-09-10 | Государственное образовательное учреждение высшего профессионального образования "Сибирский государственный университет путей сооб | METHOD FOR DIAGNOSTIC OF METAL BRIDGE DESIGNS AND DEVICE FOR ITS IMPLEMENTATION |
JP2009258079A (en) * | 2008-03-17 | 2009-11-05 | Nec Corp | Acoustic emission signal detection device, detection method, and thin-film peel strength measuring device |
JP2009276085A (en) * | 2008-05-12 | 2009-11-26 | Nikko Kensa Service Kk | Ultrasonic flaw detector following curved surface |
KR20100013464A (en) * | 2008-07-31 | 2010-02-10 | 한국표준과학연구원 | Sensor module using piezo film |
CN101954788A (en) * | 2004-10-01 | 2011-01-26 | 拉伯赛特股份有限公司 | Acoustic assessment of characteristics of a fluid relevant to acoustic ejection |
CN102621049A (en) * | 2012-01-16 | 2012-08-01 | 河海大学 | Concrete chloride ion migration coefficient load testing device under bending stress, and testing method thereof |
JP2012177603A (en) * | 2011-02-25 | 2012-09-13 | Mitsubishi Heavy Ind Ltd | Ultrasonic inspection method |
TWM491835U (en) * | 2014-08-29 | 2014-12-11 | Univ Shu Te | Electrical measurement device of film type piezoelectric material |
WO2015052140A1 (en) * | 2013-10-07 | 2015-04-16 | Centre National D'etudes Spatiales | Pea measurement cell acoustic detector, and corresponding cell and method |
JP2015099971A (en) * | 2013-11-18 | 2015-05-28 | 株式会社クレハ | Ultrasonic probe element |
CN104990864A (en) * | 2015-06-19 | 2015-10-21 | 西安理工大学 | Biomaterial physiological load external load simulator and test method thereof |
CN204758544U (en) * | 2015-07-03 | 2015-11-11 | 哈尔滨理工大学 | Device of phonophoresis rapid survey magnesium iron balling rate |
CN105158339A (en) * | 2015-08-18 | 2015-12-16 | 中国工程物理研究院化工材料研究所 | Longitudinal and transverse wave integrated ultrasonic probe as well as testing system and method of elastic modulus and distribution |
CN106596310A (en) * | 2016-11-18 | 2017-04-26 | 上海工程技术大学 | Test system used for analyzing friction performance of coupling materials |
CN106813993A (en) * | 2017-01-13 | 2017-06-09 | 长沙理工大学 | Component fatigue test data monitoring method based on sound ultrasound and acoustic emission |
CN207232374U (en) * | 2017-09-07 | 2018-04-13 | 广西电网有限责任公司电力科学研究院 | A kind of shelf depreciation ultrasound detection sensor calibrating system based on shear wave technique |
JP2018066684A (en) * | 2016-10-20 | 2018-04-26 | 大日本印刷株式会社 | Ae sensor fixing tool |
CN108195943A (en) * | 2018-03-12 | 2018-06-22 | 中国工程物理研究院化工材料研究所 | A kind of optical fiber acoustic emission system and its monitoring method for monitoring explosive damage and failure process |
CN109490421A (en) * | 2018-12-18 | 2019-03-19 | 中国工程物理研究院化工材料研究所 | Anti-interference noise-reducing design method suitable for Piezoelectric acoustic emission monitor(ing) sensor |
CN109580354A (en) * | 2018-12-29 | 2019-04-05 | 上海工程技术大学 | A kind of acoustic emission signal acquisition analysis system of textile material |
CN109593218A (en) * | 2018-11-08 | 2019-04-09 | 西安交通大学 | A kind of preparation method and composite dielectric material of composite dielectric material |
CN111044618A (en) * | 2019-12-05 | 2020-04-21 | 西安理工大学 | Piezoelectric sensor for detecting acoustic emission signals and preparation method of piezoelectric film |
CN210427463U (en) * | 2019-07-16 | 2020-04-28 | 中国工程物理研究院化工材料研究所 | System for rapidly testing acoustic emission response performance of piezoelectric material |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6664067B1 (en) * | 2000-05-26 | 2003-12-16 | Symyx Technologies, Inc. | Instrument for high throughput measurement of material physical properties and method of using same |
AU2003266663A1 (en) * | 2002-10-01 | 2004-04-23 | National Institute Of Advanced Industrial Science And Technology | Piezoelectric sensor and input device comprising same |
DE60329617D1 (en) * | 2002-10-18 | 2009-11-19 | Global Monitors Inc | DENSITY / SOLUT MONITOR OF MULTIMODALITIES AND SIGNAL PROCESSING SCHEME |
US7080555B2 (en) * | 2004-06-04 | 2006-07-25 | Texas Research International, Inc. | Distributed mode system for real time acoustic emission monitoring |
US20060266119A1 (en) * | 2005-05-23 | 2006-11-30 | Applied Sonics, Incorporated | Ultrasonic system for on-line monitoring of pressed materials |
US8531178B2 (en) * | 2007-11-26 | 2013-09-10 | Konica Minolta Medical & Graphic, Inc. | Ultrasound probe, method for manufacturing the same, and ultrasound diagnostic apparatus |
US8397572B2 (en) * | 2010-04-06 | 2013-03-19 | Varel Europe S.A.S. | Acoustic emission toughness testing for PDC, PCBN, or other hard or superhard materials |
US20130166214A1 (en) * | 2010-04-06 | 2013-06-27 | Varel International Ind., L.P. | Acoustic Emission Toughness Testing For PDC, PCBN, Or Other Hard Or Superhard Material Inserts |
CN104380072A (en) * | 2012-04-24 | 2015-02-25 | Skf公司 | Acoustic emission measurements of bearing aseembly |
US10036734B2 (en) * | 2013-06-03 | 2018-07-31 | Snaptrack, Inc. | Ultrasonic sensor with bonded piezoelectric layer |
MX2018005527A (en) * | 2015-11-02 | 2018-08-16 | Flexsteel Pipeline Tech Inc | Real time integrity monitoring of on-shore pipes. |
DE102018111380A1 (en) * | 2017-05-24 | 2018-11-29 | HELLA GmbH & Co. KGaA | Method for calibrating at least one sensor |
DE102017222198B4 (en) * | 2017-12-07 | 2020-01-02 | Infineon Technologies Ag | SYSTEM AND METHOD FOR THE EXAMINATION OF SEMICONDUCTOR SUBSTRATES |
-
2019
- 2019-07-16 CN CN201910642532.8A patent/CN110261480B/en active Active
Patent Citations (32)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SU1221585A1 (en) * | 1984-04-25 | 1986-03-30 | МВТУ им.Н.Э.Баумана | Arrangement for ultrasonic inspection |
SU1411660A1 (en) * | 1986-10-04 | 1988-07-23 | В. Л. Сорокин | Device for checking properties of materials by signals of acoustic emission |
SU1457587A1 (en) * | 1987-03-13 | 1990-09-15 | Предприятие П/Я А-1758 | Device for calibrating transducers of acoustic emission signals |
JPH0694574A (en) * | 1992-09-10 | 1994-04-05 | Nissan Motor Co Ltd | Detection of generation of destruction of interlocking gear and pressure-sensitive sheet used therein |
JPH06331673A (en) * | 1993-05-19 | 1994-12-02 | Toyota Motor Corp | Device for inspecting ae sensor |
JPH10177049A (en) * | 1996-12-18 | 1998-06-30 | Rion Co Ltd | Piezoelectric element characteristic testing device |
KR20010028623A (en) * | 1999-09-22 | 2001-04-06 | 김영진 | The acoustic emission sensor by use of the fiber-optic cantilever |
JP2003315294A (en) * | 2002-04-18 | 2003-11-06 | Mitsubishi Materials Corp | Material constant measurement instrument for piezoelectric substrate |
JP2005354281A (en) * | 2004-06-09 | 2005-12-22 | Ishikawajima Inspection & Instrumentation Co | Ultrasonic probe for high temperature |
CN101954788A (en) * | 2004-10-01 | 2011-01-26 | 拉伯赛特股份有限公司 | Acoustic assessment of characteristics of a fluid relevant to acoustic ejection |
RU2008107657A (en) * | 2008-02-27 | 2009-09-10 | Государственное образовательное учреждение высшего профессионального образования "Сибирский государственный университет путей сооб | METHOD FOR DIAGNOSTIC OF METAL BRIDGE DESIGNS AND DEVICE FOR ITS IMPLEMENTATION |
JP2009258079A (en) * | 2008-03-17 | 2009-11-05 | Nec Corp | Acoustic emission signal detection device, detection method, and thin-film peel strength measuring device |
JP2009276085A (en) * | 2008-05-12 | 2009-11-26 | Nikko Kensa Service Kk | Ultrasonic flaw detector following curved surface |
KR20100013464A (en) * | 2008-07-31 | 2010-02-10 | 한국표준과학연구원 | Sensor module using piezo film |
JP2012177603A (en) * | 2011-02-25 | 2012-09-13 | Mitsubishi Heavy Ind Ltd | Ultrasonic inspection method |
CN102621049A (en) * | 2012-01-16 | 2012-08-01 | 河海大学 | Concrete chloride ion migration coefficient load testing device under bending stress, and testing method thereof |
WO2015052140A1 (en) * | 2013-10-07 | 2015-04-16 | Centre National D'etudes Spatiales | Pea measurement cell acoustic detector, and corresponding cell and method |
JP2015099971A (en) * | 2013-11-18 | 2015-05-28 | 株式会社クレハ | Ultrasonic probe element |
TWM491835U (en) * | 2014-08-29 | 2014-12-11 | Univ Shu Te | Electrical measurement device of film type piezoelectric material |
CN104990864A (en) * | 2015-06-19 | 2015-10-21 | 西安理工大学 | Biomaterial physiological load external load simulator and test method thereof |
CN204758544U (en) * | 2015-07-03 | 2015-11-11 | 哈尔滨理工大学 | Device of phonophoresis rapid survey magnesium iron balling rate |
CN105158339A (en) * | 2015-08-18 | 2015-12-16 | 中国工程物理研究院化工材料研究所 | Longitudinal and transverse wave integrated ultrasonic probe as well as testing system and method of elastic modulus and distribution |
JP2018066684A (en) * | 2016-10-20 | 2018-04-26 | 大日本印刷株式会社 | Ae sensor fixing tool |
CN106596310A (en) * | 2016-11-18 | 2017-04-26 | 上海工程技术大学 | Test system used for analyzing friction performance of coupling materials |
CN106813993A (en) * | 2017-01-13 | 2017-06-09 | 长沙理工大学 | Component fatigue test data monitoring method based on sound ultrasound and acoustic emission |
CN207232374U (en) * | 2017-09-07 | 2018-04-13 | 广西电网有限责任公司电力科学研究院 | A kind of shelf depreciation ultrasound detection sensor calibrating system based on shear wave technique |
CN108195943A (en) * | 2018-03-12 | 2018-06-22 | 中国工程物理研究院化工材料研究所 | A kind of optical fiber acoustic emission system and its monitoring method for monitoring explosive damage and failure process |
CN109593218A (en) * | 2018-11-08 | 2019-04-09 | 西安交通大学 | A kind of preparation method and composite dielectric material of composite dielectric material |
CN109490421A (en) * | 2018-12-18 | 2019-03-19 | 中国工程物理研究院化工材料研究所 | Anti-interference noise-reducing design method suitable for Piezoelectric acoustic emission monitor(ing) sensor |
CN109580354A (en) * | 2018-12-29 | 2019-04-05 | 上海工程技术大学 | A kind of acoustic emission signal acquisition analysis system of textile material |
CN210427463U (en) * | 2019-07-16 | 2020-04-28 | 中国工程物理研究院化工材料研究所 | System for rapidly testing acoustic emission response performance of piezoelectric material |
CN111044618A (en) * | 2019-12-05 | 2020-04-21 | 西安理工大学 | Piezoelectric sensor for detecting acoustic emission signals and preparation method of piezoelectric film |
Non-Patent Citations (7)
Title |
---|
Development of poly(vinylidene fluoride-trifluoroethylene) films and its quasi-static and dynamic strain response;Anjana Jain;《Research and Review on Polymer》;全文 * |
P(VDF-TrFE) copolymer acoustic emission sensors;Chan, HLW;《SENSORS AND ACTUATORS A-PHYSICAL》;全文 * |
P(VDF-TrFE)压电膜声发射传感性能研究;孙倩倩;《中国优秀硕士学位论文全文数据库 工程科学Ι辑 》;全文 * |
P(VDF-TrFE)聚合物在声发射传感器方面的应用;廖佳妮;《传感器技术与应用》;全文 * |
PVDF基含氟聚合物压电传感器声发射性能;孙倩倩;田昕;邢俊红;任鹏刚;安宁丽;夏卫民;;西安理工大学学报(02);全文 * |
The Dependence of Acoustic Emission Performance on the Crystal Structures, Dielectric, Ferroelectric, and Piezoelectric Properties of the P(VDF-TrFE) Sensors;Qianqian Sun;《IEEE TRANSACTIONS ON ULTRASONICS, FERROELECTRICS, AND FREQUENCY CONTROL》;全文 * |
夏卫民.《氢化法P(VDF-TrFE)结晶、服役中相变及其铁电、压电和介电性能调控 项目结题报告》.国家自然科学基金委员会,2022,全文. * |
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