CN109540053A - One kind being based on monocoil base material metal and the quick thickness measuring method of surface nonmetallic coating - Google Patents
One kind being based on monocoil base material metal and the quick thickness measuring method of surface nonmetallic coating Download PDFInfo
- Publication number
- CN109540053A CN109540053A CN201811630648.1A CN201811630648A CN109540053A CN 109540053 A CN109540053 A CN 109540053A CN 201811630648 A CN201811630648 A CN 201811630648A CN 109540053 A CN109540053 A CN 109540053A
- Authority
- CN
- China
- Prior art keywords
- base material
- material metal
- thickness
- electromagnetic
- examined workpiece
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B17/00—Measuring arrangements characterised by the use of infrasonic, sonic or ultrasonic vibrations
- G01B17/02—Measuring arrangements characterised by the use of infrasonic, sonic or ultrasonic vibrations for measuring thickness
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
- G01B7/02—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring length, width or thickness
- G01B7/06—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring length, width or thickness for measuring thickness
- G01B7/10—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring length, width or thickness for measuring thickness using magnetic means, e.g. by measuring change of reluctance
- G01B7/105—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring length, width or thickness for measuring thickness using magnetic means, e.g. by measuring change of reluctance for measuring thickness of coating
Abstract
The invention discloses one kind to be based on monocoil base material metal and the quick thickness measuring method of surface nonmetallic coating, using the single detection coil under permanent magnet, the thickness information of base material metal and surface nonmetallic coating is obtained simultaneously, realize the rapid survey to base material metal thickness and surface nonmetallic coating thickness, base material metal thickness and surface nonmetallic coating thickness are measured respectively without different detecting instruments, the method for the present invention is quick, accurate and effective.
Description
Technical field
The present invention relates to a kind of lossless detection methods, non-based on monocoil base material metal and surface more particularly to one kind
The quick thickness measuring method of metal coating.
Background technique
In field of non destructive testing, at present for the detection of metal material thickness and surface nonmetallic coating thickness, it is necessary to
It is measured respectively using two kinds of detecting instruments, finally can just obtain the thickness value of metal material and the thickness of surface nonmetallic coating
Angle value, detection efficiency are low.Based on this, it is necessary to which metal material and surface nonmetallic coating thickness letter can be obtained simultaneously by researching and developing one kind
The method for fast measuring of breath.
Summary of the invention
It is an object of the invention to be based on monocoil base material metal and the quick thickness measuring of surface nonmetallic coating by a kind of
Method, to solve the problems, such as that background section above is mentioned.
The technical solution adopted by the present invention to solve the technical problems is: one kind being based on monocoil base material metal and surface
The quick thickness measuring method of nonmetallic coating, it is characterised in that: including demarcating and surveying two processes,
The calibration process is,
A., permanent magnet and the detection coil being placed in below permanent magnet are placed on to the surface of examined workpiece；The detection coil with
The electrical connection of electromagnetic detection instrument；The electromagnetic detection instrument has the function of quality of material separator；
B., the driving frequency of electromagnetic detection instrument is adjusted to the best test frequency of quality of material separator, to examined workpiece base material metal
Quality of material separator is carried out, obtains the material of examined workpiece base material metal, i.e., learns that the material of examined workpiece base material metal is corresponding simultaneously
The velocity of sound；
C. using material identical with material, the structure of examined workpiece base material metal learnt in step b as standard workpiece gold
Belong to base material；The painting of multiple and different thickness is made of material identical with examined workpiece base material metal surface nonmetallic coating material
Layer test piece；
D. a coating test piece is covered on standard workpiece base material metal surface, and by the permanent magnet in step a and is placed in permanent magnetism
Detection coil below iron is placed on the surface for being covered on the coating test piece on standard workpiece base material metal surface；Electromagnetic detection instrument swashs
Detection coil is encouraged to induct vortex, and the standard work under acquisition and recording current thickness coating test piece on standard workpiece base material metal surface
The vortex density on part base material metal surface, the coating test piece for then successively replacing multiple and different thickness are covered on standard workpiece metal
Base material surface, the electromagnetic detection instrument successively standard workpiece base material metal surface under the coating test piece of the multiple and different thickness of acquisition and recording
Vortex density, and make coating layer thickness-vortex density relation curve；
The actual measurement process is,
E., permanent magnet in step a and the detection coil being placed in below permanent magnet are placed on to the surface of examined workpiece；First will
The driving frequency of electromagnetic detection instrument is adjusted to high frequency alternating current, i.e., applies a high frequency alternating current in detection coil and swash
It encourages, under the magnetic fields of permanent magnet, examined workpiece base material metal surface generates high-frequency mechanical vibration and excites electromagnetic ultrasonic wave,
The electromagnetic acoustic echo-signal that electromagnetic detection instrument acquisition electromagnetic ultrasonic wave is reflected in examined workpiece base material metal communication process, and root
It is calculated indirectly according to the corresponding velocity of sound of material of electromagnetic acoustic echo-signal time delay and step b the examined workpiece base material metal learnt
To the thickness value of examined workpiece base material metal；The driving frequency of electromagnetic detection instrument is then reduced, that is, stops excitation electromagnetic ultrasonic wave,
Electromagnetic detection instrument excitation detection coil is inducted vortex on examined workpiece base material metal surface at this time, and obtains examined workpiece metal mother
Examined workpiece gold is calculated according to the coating layer thickness in step d-vortex density relation curve in the vortex density on material surface indirectly
Belong to the thickness value of base material surface nonmetallic coating；In this way, only need one-time detection, electromagnetic detection instrument can export tested work simultaneously
Part base material metal thickness value and surface nonmetallic coating thickness value are realized to the fast of base material metal and surface nonmetallic coating thickness
Speed measurement.
Further, after the material that step b obtains examined workpiece base material metal, electromagnetic detection instrument can be arranged tested automatically
Workpiece metal base material electromagnetic ultrasonic thickness measuring parameter, thus the thickness information of quick obtaining examined workpiece base material metal.
The invention has the advantages that using the single detection coil under permanent magnet, while obtaining base material metal and table
The thickness information of face nonmetallic coating is realized to the rapid survey of base material metal thickness and surface nonmetallic coating thickness, is not necessarily to
Base material metal thickness and surface nonmetallic coating thickness are measured respectively using different detecting instruments, this method is quick, quasi-
Really, effectively.
Invention is further described in detail with reference to embodiments, but one kind of the invention is based on monocoil metal
Base material and the quick thickness measuring method of surface nonmetallic coating are not limited to the embodiment.
Detailed description of the invention
Present invention will be further explained below with reference to the attached drawings and examples.
Fig. 1 is that one kind of the embodiment of the present invention is based on monocoil base material metal and the quick thickness measuring side of surface nonmetallic coating
Method schematic diagram.
Fig. 2 is the coating test piece detection schematic diagram of the multiple and different thickness of calibration process of the embodiment of the present invention.
Fig. 3 is coating layer thickness-vortex density relation curve schematic diagram of the embodiment of the present invention.
In figure, 1. permanent magnets, 2. detection coils, 3. electromagnetic detection instrument, 4. examined workpieces, 40 examined workpiece base material metal tables
The painting of face nonmetallic coating, 41. examined workpiece base material metals, 5. standard workpiece base material metals, D1/D2/D3/Dn. different-thickness
Layer test piece, D. coating layer thickness, Q. vortex density.
Specific embodiment
Embodiment, as shown in Figure 1, 2, 3, one kind being based on monocoil base material metal and the quick thickness measuring of surface nonmetallic coating
Method, it is characterised in that: including demarcating and surveying two processes,
The calibration process is,
A., permanent magnet 1 and the detection coil 2 being placed in below permanent magnet 1 are placed on to the surface of examined workpiece 4；The detection line
Circle 2 is electrically connected with electromagnetic detection instrument 3；The electromagnetic detection instrument 3 has the function of quality of material separator；
B., the driving frequency of electromagnetic detection instrument 3 is adjusted to the best test frequency of quality of material separator, to examined workpiece base material metal
41 carry out quality of material separator, obtain the material of examined workpiece base material metal 41, i.e., learn the material of examined workpiece base material metal 41 simultaneously
The corresponding velocity of sound of matter；
C. using material identical with material, the structure of examined workpiece base material metal 41 learnt in step b as standard workpiece
Base material metal 5；Multiple and different thickness are made using material identical with 40 material of examined workpiece base material metal surface nonmetallic coating
The coating test piece D1/D2/D3/Dn of degree；
D. a coating test piece (D1) is covered on 5 surface of standard workpiece base material metal, and by the permanent magnet 1 in step a and set
Detection coil 2 in 1 lower section of permanent magnet is placed on the table for being covered on the coating test piece (D1) on 5 surface of standard workpiece base material metal
Face；Electromagnetic detection instrument 3 motivates detection coil 2 to induct vortex, and acquisition and recording current thickness on 5 surface of standard workpiece base material metal
The vortex density on 5 surface of standard workpiece base material metal under coating test piece (D1), then successively replaces the painting of multiple and different thickness
Layer test piece (D2/D3/Dn) is covered on 5 surface of standard workpiece base material metal, the successively multiple and different thickness of acquisition and recording of electromagnetic detection instrument 3
The vortex density on 5 surface of standard workpiece base material metal under the coating test piece D1/D2/D3/Dn of degree, and make coating layer thickness-whirlpool
Current density (D-Q) relation curve；
The actual measurement process is,
E., permanent magnet 1 in step a and the detection coil 2 being placed in below permanent magnet 1 are placed on to the surface of examined workpiece 4；It is first
The driving frequency of electromagnetic detection instrument 3 is first adjusted to high frequency alternating current, i.e., applies a high-frequency alternating electricity in detection coil 2
Stream excitation, under the magnetic fields of permanent magnet 1,41 surface of examined workpiece base material metal generates high-frequency mechanical vibration and excites electromagnetism
Ultrasonic wave, electromagnetic detection instrument 3 acquire electromagnetic ultrasonic wave and return in the electromagnetic acoustic that 41 communication process of examined workpiece base material metal reflects
Wave signal, and it is corresponding according to the material of electromagnetic acoustic echo-signal time delay and step b the examined workpiece base material metal 41 learnt
The thickness value of examined workpiece base material metal 41 is calculated in the velocity of sound indirectly；The driving frequency for then reducing electromagnetic detection instrument 3, that is, stop
Electromagnetic ultrasonic wave is only excited, electromagnetic detection instrument 3 motivates detection coil 2 to induct whirlpool on 41 surface of examined workpiece base material metal at this time
Stream, and the vortex density on 41 surface of examined workpiece base material metal is obtained, according to coating layer thickness-vortex density (D-Q) in step d
The thickness value of examined workpiece base material metal surface nonmetallic coating 40 is calculated in relation curve indirectly；In this way, only need one
Secondary detection, electromagnetic detection instrument 3 can export 40 thickness value of 41 thickness value of examined workpiece base material metal and surface nonmetallic coating simultaneously,
Realize the rapid survey to base material metal and surface nonmetallic coating thickness.
Further, after the material that step b obtains examined workpiece base material metal 41, electromagnetic detection instrument 3 can be arranged automatically
41 electromagnetic ultrasonic thickness measuring parameter of examined workpiece base material metal, thus the thickness information of quick obtaining examined workpiece base material metal 41.
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the scope of the present invention, and is not departing from this
Under the premise of invention design spirit, any person skilled in the art is modified, equally any made by technical solution of the present invention
Replacement and improvement, should all fall into the protection scope that claims of the present invention determines.
Claims (2)
1. one kind is based on monocoil base material metal and the quick thickness measuring method of surface nonmetallic coating, it is characterised in that: including mark
Fixed and two processes of actual measurement,
The calibration process is,
A., permanent magnet and the detection coil being placed in below permanent magnet are placed on to the surface of examined workpiece；The detection coil with
The electrical connection of electromagnetic detection instrument；The electromagnetic detection instrument has the function of quality of material separator；
B., the driving frequency of electromagnetic detection instrument is adjusted to the best test frequency of quality of material separator, to examined workpiece base material metal
Quality of material separator is carried out, obtains the material of examined workpiece base material metal, i.e., learns that the material of examined workpiece base material metal is corresponding simultaneously
The velocity of sound；
C. using material identical with material, the structure of examined workpiece base material metal learnt in step b as standard workpiece gold
Belong to base material；The painting of multiple and different thickness is made of material identical with examined workpiece base material metal surface nonmetallic coating material
Layer test piece；
D. a coating test piece is covered on standard workpiece base material metal surface, and by the permanent magnet in step a and is placed in permanent magnetism
Detection coil below iron is placed on the surface for being covered on the coating test piece on standard workpiece base material metal surface；Electromagnetic detection instrument swashs
Detection coil is encouraged to induct vortex, and the standard work under acquisition and recording current thickness coating test piece on standard workpiece base material metal surface
The vortex density on part base material metal surface, the coating test piece for then successively replacing multiple and different thickness are covered on standard workpiece metal
Base material surface, the electromagnetic detection instrument successively standard workpiece base material metal surface under the coating test piece of the multiple and different thickness of acquisition and recording
Vortex density, and make coating layer thickness-vortex density relation curve；
The actual measurement process is,
E., permanent magnet in step a and the detection coil being placed in below permanent magnet are placed on to the surface of examined workpiece；First will
The driving frequency of electromagnetic detection instrument is adjusted to high frequency alternating current, i.e., applies a high frequency alternating current in detection coil and swash
It encourages, under the magnetic fields of permanent magnet, examined workpiece base material metal surface generates high-frequency mechanical vibration and excites electromagnetic ultrasonic wave,
The electromagnetic acoustic echo-signal that electromagnetic detection instrument acquisition electromagnetic ultrasonic wave is reflected in examined workpiece base material metal communication process, and root
It is calculated indirectly according to the corresponding velocity of sound of material of electromagnetic acoustic echo-signal time delay and step b the examined workpiece base material metal learnt
To the thickness value of examined workpiece base material metal；The driving frequency of electromagnetic detection instrument is then reduced, that is, stops excitation electromagnetic ultrasonic wave,
Electromagnetic detection instrument excitation detection coil is inducted vortex on examined workpiece base material metal surface at this time, and obtains examined workpiece metal mother
Examined workpiece gold is calculated according to the coating layer thickness in step d-vortex density relation curve in the vortex density on material surface indirectly
Belong to the thickness value of base material surface nonmetallic coating；In this way, only need one-time detection, electromagnetic detection instrument can export tested work simultaneously
Part base material metal thickness value and surface nonmetallic coating thickness value are realized to the fast of base material metal and surface nonmetallic coating thickness
Speed measurement.
2. one kind is based on monocoil base material metal and the quick thickness measuring method of surface nonmetallic coating, it is characterised in that: further
, after the material that step b obtains examined workpiece base material metal, examined workpiece base material metal electricity can be arranged in electromagnetic detection instrument automatically
Magnetic ultrasonic thickness measurement parameter, thus the thickness information of quick obtaining examined workpiece base material metal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811630648.1A CN109540053B (en) | 2018-12-29 | 2018-12-29 | Single-coil-based method for quickly measuring thickness of metal base material and surface non-metal coating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811630648.1A CN109540053B (en) | 2018-12-29 | 2018-12-29 | Single-coil-based method for quickly measuring thickness of metal base material and surface non-metal coating |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109540053A true CN109540053A (en) | 2019-03-29 |
| CN109540053B CN109540053B (en) | 2020-09-25 |
Family
ID=65831013
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811630648.1A Active CN109540053B (en) | 2018-12-29 | 2018-12-29 | Single-coil-based method for quickly measuring thickness of metal base material and surface non-metal coating |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109540053B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111043947A (en) * | 2019-12-30 | 2020-04-21 | 爱德森（厦门）电子有限公司 | Nuclear fuel assembly oxide film thickness eddy current testing device |
| CN112444219A (en) * | 2020-12-31 | 2021-03-05 | 爱德森（厦门）电子有限公司 | Non-contact ultrasonic electromagnetic coating thickness measuring method and detection device thereof |
| CN113776419A (en) * | 2021-08-07 | 2021-12-10 | 爱德森（厦门）电子有限公司 | Method and device for measuring thickness of eddy current coating by using bicrystal ultrasonic sensor for auxiliary triggering |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1503169A2 (en) * | 2003-07-29 | 2005-02-02 | Kansai Paint Co., Ltd. | Electrodeposition characteristic measuring device, evaluation method, and control method |
| CN101131314A (en) * | 2006-08-22 | 2008-02-27 | 爱德森（厦门）电子有限公司 | Nondestructive thickness measuring method for nickel coat on Fe substrate |
| CN102141368A (en) * | 2010-12-31 | 2011-08-03 | 优利德科技(中国)有限公司 | Test instrument |
| CN106500581A (en) * | 2016-11-01 | 2017-03-15 | 中国核动力研究设计院 | The measuring method of non-ferromagnetic metal coated layer thickness on a kind of non-ferromagnetic metal |
| CN108613646A (en) * | 2018-05-28 | 2018-10-02 | 新疆维吾尔自治区特种设备检验研究院 | For the array electromagnetic acoustic resonance probe and method of rough surface metal thickness measuring |
-
2018
- 2018-12-29 CN CN201811630648.1A patent/CN109540053B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1503169A2 (en) * | 2003-07-29 | 2005-02-02 | Kansai Paint Co., Ltd. | Electrodeposition characteristic measuring device, evaluation method, and control method |
| CN101131314A (en) * | 2006-08-22 | 2008-02-27 | 爱德森（厦门）电子有限公司 | Nondestructive thickness measuring method for nickel coat on Fe substrate |
| CN102141368A (en) * | 2010-12-31 | 2011-08-03 | 优利德科技(中国)有限公司 | Test instrument |
| CN106500581A (en) * | 2016-11-01 | 2017-03-15 | 中国核动力研究设计院 | The measuring method of non-ferromagnetic metal coated layer thickness on a kind of non-ferromagnetic metal |
| CN108613646A (en) * | 2018-05-28 | 2018-10-02 | 新疆维吾尔自治区特种设备检验研究院 | For the array electromagnetic acoustic resonance probe and method of rough surface metal thickness measuring |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111043947A (en) * | 2019-12-30 | 2020-04-21 | 爱德森（厦门）电子有限公司 | Nuclear fuel assembly oxide film thickness eddy current testing device |
| CN112444219A (en) * | 2020-12-31 | 2021-03-05 | 爱德森（厦门）电子有限公司 | Non-contact ultrasonic electromagnetic coating thickness measuring method and detection device thereof |
| CN112444219B (en) * | 2020-12-31 | 2023-07-25 | 爱德森（厦门）电子有限公司 | Non-contact ultrasonic electromagnetic coating thickness measuring method and detection device thereof |
| CN113776419A (en) * | 2021-08-07 | 2021-12-10 | 爱德森（厦门）电子有限公司 | Method and device for measuring thickness of eddy current coating by using bicrystal ultrasonic sensor for auxiliary triggering |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109540053B (en) | 2020-09-25 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109540053A (en) | One kind being based on monocoil base material metal and the quick thickness measuring method of surface nonmetallic coating | |
| CN105758938B (en) | 550 DEG C of high temperature metallic material electromagnetic acoustic bulk wave methods of detection and its device | |
| CN101131314B (en) | Nondestructive thickness measuring method for nickel coat on Fe substrate | |
| CN109668506B (en) | Magnetic metal material thickness detection method based on eddy current steady-state characteristic | |
| CN109946379B (en) | Electromagnetic ultrasonic detection method for unidirectional stress | |
| CN109425840B (en) | Nanocrystalline rotating magnetic property testing system and measuring method | |
| CN102706966B (en) | Horizontal-shearing electromagnetic ultrasonic probe | |
| CN109358110A (en) | A kind of array electromagnetism various dimensions detection system for the imaging of steel plate internal flaw | |
| CN105651439B (en) | Based on the polarized electromagnetic acoustic residual stress and strain detection method of Rayleigh wave polarization | |
| CN213580777U (en) | Cross pulse eddy current testing probe | |
| JP6446304B2 (en) | Magnetic characteristic evaluation method and magnetic characteristic evaluation apparatus | |
| CN113155977A (en) | Electromagnetic ultrasonic surface wave transducer for high-temperature metal detection and detection method | |
| JP2001318080A (en) | Detection coil and inspecting device using the same | |
| CN112629728A (en) | Aluminum alloy residual stress testing device and method based on eddy current | |
| CN113093289A (en) | High-resolution nondestructive testing device for parameters of metal body in embedded structure | |
| US7295003B2 (en) | Non-destructive testing system and method utilizing a magnetic field to identify defects in a layer of a laminated material | |
| CN108917805B (en) | Electromagnetic ultrasonic wave double wave energy converter | |
| CN111999378A (en) | TMR sensor-based method for measuring conductivity and thickness of metal material | |
| CN213600270U (en) | Aluminum alloy residual stress testing arrangement based on vortex | |
| CN104134269A (en) | Coin detection system | |
| CN114839260A (en) | Electromagnetic ultrasonic and eddy current composite sensor and thickness gauge with same | |
| CN115015379A (en) | Planar coil/TMR composite electromagnetic sensor for crack depth detection, probe and application method | |
| CN104614444B (en) | Method for improving electromagnetic ultrasonic detection precision | |
| CN100449254C (en) | Electromechanical detection method of non-metallic material thickness | |
| CN209133293U (en) | A kind of coil of variable spacing |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |