CN105823822B - Magnetic flaw detection ink usability evaluation method for magnetic powder inspection non-destructive testing - Google Patents
Magnetic flaw detection ink usability evaluation method for magnetic powder inspection non-destructive testing Download PDFInfo
- Publication number
- CN105823822B CN105823822B CN201510006912.4A CN201510006912A CN105823822B CN 105823822 B CN105823822 B CN 105823822B CN 201510006912 A CN201510006912 A CN 201510006912A CN 105823822 B CN105823822 B CN 105823822B
- Authority
- CN
- China
- Prior art keywords
- flaw detection
- detection ink
- magnetic
- magnetic flaw
- value
- 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.)
- Active
Links
Abstract
The invention discloses a kind of magnetic flaw detection ink usability evaluation methods for magnetic powder inspection non-destructive testing, utilize concentration detector Particle content, the magnetic flaw detection ink fluorescence that ultraviolet source inspires is measured using luminance sensor, carry out the state of overall merit magnetic flaw detection ink with both measured values, the availability of magnetic flaw detection ink is more accurately evaluated to realize.
Description
Technical field
The present invention relates to the non-destructive testing methods of magnetic flaw detection ink usability evaluation, are visited more specifically to for magnetic powder
Hinder the magnetic flaw detection ink usability evaluation method of non-destructive testing.
Background technology
Magnetic powder inspection is one of major technique of non-destructive testing.Magnetic flaw detection ink is wet method magnetic powder inspection medium, magnetcisuspension liquid status
Quality, on flaw detection quality cause prodigious influence.
In fluorescence wet method magnetic powder inspection, after live high-volume part flaw detection, part magnetic powder is adsorbed, and magnetic flaw detection ink is made
Concentration reduces, and causes prodigious influence to flaw detection quality, Particle content is too high or too low, can all reduce flaw detection sensitivity.Cause
This, flaw detection personnel need first to detect Particle content before flaw detection daily, and addition magnetic powder is determined the need for according to measurement result
Or magnetic flaw detection ink is replaced, to keep relatively-stationary Particle content.
For the measurement of Particle content, traditional Particle content measurement method is using the pyriform for measuring magnetic powder volume
Precipitate tube method.Also there is some new Particle content detection methods and device.As " one kind is based on patent CN 103063554
Light transmittance Particle content fast qualitative assay method ", changed with concentration using magnetic flaw detection ink, the changed rule of light transmittance
To detect Particle content.Or such as patent CN 1712949A " magnetic powder concentration sensor of magnetic suspension ", drawn using electromagnetic induction
Curent change measure Particle content.
But actual field application in, magnetic powder inspection effect is not only related to Particle content, more with the practical institute of magnetic flaw detection ink
The fluorescence that can be inspired is related.And traditional method is only to survey Particle content, since magnetic flaw detection ink is used by certain time
Later not only concentration can change, and can also be mixed into the impurity such as iron filings, sandy soil, it may appear that measure that concentration is up to standard but fluorescent brightness
Insufficient phenomenon.So in magnetic powder inspection should thoroughly evaluating magnetic flaw detection ink include comprehensive shape including concentration and fluorescent brightness
State preferably matches subsequent defects detection.
Invention content
It is not comprehensive for the evaluation parameter of magnetic flaw detection ink existing in the prior art, so as to cause inaccurate problem is evaluated,
The object of the present invention is to provide the magnetic flaw detection ink usability evaluation methods for magnetic powder inspection non-destructive testing.
To achieve the above object, the present invention adopts the following technical scheme that：
A kind of magnetic flaw detection ink usability evaluation device for magnetic powder inspection non-destructive testing, including test container, Concentration Testing
Device, ultraviolet source, luminance sensor, computer.Magnetic flaw detection ink, the magnetic in ultraviolet source irradiation test container are held in test container
Suspension, the fluorescent brightness that luminance sensor detection magnetic flaw detection ink excites after ultraviolet light, and fluorescent brightness is sent to calculating
Machine, concentration detector detects Particle content, and Particle content is sent to computer, and computer is according to fluorescent brightness and magnetic
Suspension concentration carries out magnetic flaw detection ink usability evaluation.
An embodiment according to the present invention, test container are glass tube, and concentration detector is to be wrapped on the glass tube
Induction coil.
To achieve the above object, the present invention also adopts the following technical scheme that：
A kind of magnetic flaw detection ink usability evaluation method for magnetic powder inspection non-destructive testing includes the following steps：Step 1, will
Magnetic flaw detection ink is introduced into test container；Step 2, it detects and calculates Particle content value；Step 3, it is carried out according to Particle content value
Concentration availability scores；Step 4, it detects and calculates magnetic flaw detection ink fluorescent brightness value；Step 5, fluorescence is carried out according to fluorescent brightness value
Brightness availability scores；Step 6, concentration availability is scored and is added with the scoring of fluorescent brightness availability, it is available to obtain magnetic flaw detection ink
Property evaluation.
An embodiment according to the present invention, Particle content value Xn include 5 grades, are respectively：It is excellent：N2 < Xn < N3；
In：N1≤Xn≤N2；In：N3≤Xn≤N4；Difference：Xn < N1；Difference：Xn > N4.Wherein, N1 is technique least concentration threshold value；N2
For low concentration threshold value, value isN3 is higher concentration threshold value, and value isN4 is
Technique upper concentration threshold value.
An embodiment according to the present invention, magnetic flaw detection ink fluorescent brightness value Xy include 3 grades, are respectively：It is excellent：Xy > L2；
In：L1≤Xy≤L2；Difference：Xy < L1.Wherein, L1 is fluorescent brightness threshold value when can observe workpiece, defect, and L2 is clear sees
Measure fluorescent brightness threshold value when workpiece, defect.
In the above-mentioned technical solutions, the magnetic flaw detection ink usability evaluation device for magnetic powder inspection non-destructive testing of the invention with
Method utilizes concentration detector Particle content, and the magnetic flaw detection ink fluorescence that ultraviolet source inspires is measured using luminance sensor, with
Both measured values carry out the state of overall merit magnetic flaw detection ink, are more accurately evaluated the availability of magnetic flaw detection ink to realize.
Description of the drawings
Fig. 1 is structural schematic diagram of the present invention for the magnetic flaw detection ink usability evaluation device of magnetic powder inspection non-destructive testing；
Fig. 2 is flow chart of the present invention for the magnetic flaw detection ink usability evaluation method of magnetic powder inspection non-destructive testing.
Specific implementation mode
The technical solution further illustrated the present invention with reference to the accompanying drawings and examples.
Core of the invention thinking is to utilize concentration detector Particle content, and ultraviolet source is measured using luminance sensor
The magnetic flaw detection ink fluorescence inspired, the state of overall merit magnetic flaw detection ink is carried out with both measured values.
Therefore, it is based on above-mentioned core ideas, it is available that the present invention discloses a kind of magnetic flaw detection ink for magnetic powder inspection non-destructive testing
Property evaluating apparatus, mainly include test container 1, concentration detector 2, ultraviolet source 3, luminance sensor 4, computer 5.This hair
Bright test container 1 by taking glass tube as an example, concentration detector 2 by taking the induction coil being wrapped on glass tube as an example, but not with
This is limited, and test container 1 can be substituted by other transparent vessels, and concentration detector 2 can also use other inductions
Means belong to the scope of test container and concentration detector of the present invention, repeat no more below.
Referring to Fig.1, magnetic flaw detection ink is held in test container 1, ultraviolet source 3 irradiates in test container 1 magnetic flaw detection ink, and brightness passes
Sensor 4 detects the fluorescent brightness that magnetic flaw detection ink excites after ultraviolet light, and fluorescent brightness is sent to computer 5, concentration inspection
It surveys device 2 and detects Particle content, and Particle content is sent to computer 5, computer 5 is dense according to fluorescent brightness and magnetic flaw detection ink
Degree carries out magnetic flaw detection ink usability evaluation.
Using above-mentioned apparatus, another emphasis of the invention is to disclose a kind of magnetic flaw detection ink for magnetic powder inspection non-destructive testing
Usability evaluation method.
With reference to Fig. 2, method of the invention mainly includes the following steps that：
Step S1：Magnetic flaw detection ink is introduced into test container, i.e., magnetic flaw detection ink is introduced into the glass tube in coil.
Step S2：After flow field is stablized, starts concentration detector and be detected, and magnetic flaw detection ink is obtained by computer calculating
Concentration value Xn.
Step S3：Concentration availability scoring Yn is carried out according to Particle content value.
In the present invention, Particle content value Xn include 5 grades, and concentration availability scoring Yn then using 1~3 point come
Respectively represent it is poor, in, excellent three kinds of evaluation results, as shown in the table.
In upper table, N1 is technique least concentration threshold value；N2 is low concentration threshold value, and value isN3
For higher concentration threshold value, value isN4 is technique upper concentration threshold value.
Step S4：Start ultraviolet source and luminance sensor to be detected, and it is glimmering by computer magnetic flaw detection ink to be calculated
Brightness values Xy.
Step S5：Fluorescent brightness availability scoring Yy is carried out according to fluorescent brightness value.
In the present invention, magnetic flaw detection ink fluorescent brightness value Xy includes 3 grades, and fluorescent brightness availability scoring Yy is then used
1~3 point come respectively represent it is poor, in, excellent three kinds of evaluation results, as shown in the table.
| Condition | Evaluation | Evaluation point |
| Xy > L2 | It is excellent | 3 |
| L1≤Xy≤L2 | In | 2 |
| Xy < L1 | Difference | 1 |
In upper table, L1 is fluorescent brightness threshold value when can observe workpiece, defect, and L2 is clearly to observe workpiece, defect
When fluorescent brightness threshold value.
Step S6：Concentration availability scoring Yn is added with fluorescent brightness availability scoring Yy, obtains magnetic flaw detection ink availability
Evaluate Y.
Wherein, Y=Yn+Yy, the results are shown in table below.
| Condition | Evaluation | Meaning |
| Y > 5 | It is excellent | It is in good condition |
| 4≤Y≤5 | In | It can still use |
| Y < 4 | Difference | It is unavailable |
The above method is further illustrated below by one embodiment.
Certain workpiece magnetic powder inspection technological requirement Particle content ranging from 0.5~3g/L, then N1=0.5, N4=3, N2=
1.33 N3=2.17.
It can just observe that the magnetic flaw detection ink fluorescent brightness value that computer acquisition is arrived when workpiece, defect is 50, then L1=50.
It just can clearly observe that the magnetic flaw detection ink fluorescent brightness value that computer acquisition is arrived when workpiece, defect is 100, then L2
=100.
The process of the evaluation dense state of magnetic flaw detection ink comprises the following steps：
S1：Magnetic flaw detection ink is introduced into the glass tube in coil.
S2：After flow field is stablized, start concentration detector, computer obtains Particle content value Xn=1.
S3：Concentration availability scoring Yn=2 is provided according to Particle content value.
S4：Start ultraviolet source and luminance sensor, computer obtains fluorescent brightness value Xy=48.
S5：Fluorescent brightness availability scoring Yy=1 is provided according to fluorescent brightness value.
S6：Concentration availability scoring Yn is added with fluorescent brightness availability scoring Yy,
Y=Yn+Yy=3.Therefore, provide magnetic flaw detection ink state evaluation be it is poor, it is unusable.
Those of ordinary skill in the art it should be appreciated that more than embodiment be intended merely to illustrate the present invention,
And be not used as limitation of the invention, as long as in the spirit of the present invention, the change to embodiment described above
Change, modification will all be fallen within the scope of claims of the present invention.
Claims (3)
1. a kind of magnetic flaw detection ink usability evaluation method for magnetic powder inspection non-destructive testing, which is characterized in that include the following steps：
Step 1, magnetic flaw detection ink is introduced into test container；
Step 2, it detects and calculates Particle content value；
Step 3, concentration availability scoring is carried out according to the Particle content value；
Step 4, it detects and calculates magnetic flaw detection ink fluorescent brightness value；
Step 5, fluorescent brightness availability scoring is carried out according to the fluorescent brightness value；
Step 6, the concentration availability is scored and is added with the scoring of fluorescent brightness availability, obtain magnetic flaw detection ink usability evaluation.
2. being used for the magnetic flaw detection ink usability evaluation method of magnetic powder inspection non-destructive testing as described in claim 1, it is characterised in that：
The Particle content value Xn includes 5 grades, is respectively：
It is excellent：N2 < Xn < N3；
In：N1≤Xn≤N2；
In：N3≤Xn≤N4；
Difference：Xn < N1；
Difference：Xn > N4；
Wherein, N1 is technique least concentration threshold value；N2 is low concentration threshold value, and value isN3 is more highly concentrated
Threshold value is spent, value isN4 is technique upper concentration threshold value.
3. being used for the magnetic flaw detection ink usability evaluation method of magnetic powder inspection non-destructive testing as described in claim 1, it is characterised in that：
The magnetic flaw detection ink fluorescent brightness value Xy includes 3 grades, is respectively：
It is excellent：Xy > L2；
In：L1≤Xy≤L2；
Difference：Xy < L1；
Wherein, L1 is fluorescent brightness threshold value when can observe workpiece, defect, and L2 is fluorescence when clearly observing workpiece, defect
Luminance threshold.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510006912.4A CN105823822B (en) | 2015-01-07 | 2015-01-07 | Magnetic flaw detection ink usability evaluation method for magnetic powder inspection non-destructive testing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510006912.4A CN105823822B (en) | 2015-01-07 | 2015-01-07 | Magnetic flaw detection ink usability evaluation method for magnetic powder inspection non-destructive testing |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105823822A CN105823822A (en) | 2016-08-03 |
| CN105823822B true CN105823822B (en) | 2018-11-06 |
Family
ID=56513940
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510006912.4A Active CN105823822B (en) | 2015-01-07 | 2015-01-07 | Magnetic flaw detection ink usability evaluation method for magnetic powder inspection non-destructive testing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105823822B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106872915B (en) * | 2017-01-11 | 2019-09-13 | 中车戚墅堰机车车辆工艺研究所有限公司 | Particle content monitoring method during flaw detection |
| CN107271538A (en) * | 2017-05-17 | 2017-10-20 | 西南科技大学 | Full-automatic column ferromagnetic workpiece fluorescentmagnetic particle(powder) nondestructive inspection system |
| RU175148U1 (en) * | 2017-06-06 | 2017-11-23 | Владимир Александрович Чуприн | Installation for magnetic particle inspection of products |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102854118A (en) * | 2012-09-12 | 2013-01-02 | 爱德森（厦门）电子有限公司 | Magnetic suspension concentration content calibration samples |
| CN102884417A (en) * | 2010-05-07 | 2013-01-16 | 美哥特株式会社 | Method and apparatus for measuring the concentration of component in inspection liquid used for wet-type fluorescent magnetic particle testing |
| CN103063554A (en) * | 2012-12-28 | 2013-04-24 | 河北省电力公司电力科学研究院 | Rapid and qualitative measurement method for magnetic suspension solution concentration based on transmittance |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5926897B2 (en) * | 1976-04-02 | 1984-07-02 | 大同製鋼株式会社 | Fluorescent magnetic particle concentration measuring device |
| JPS54128392A (en) * | 1978-03-28 | 1979-10-04 | Nippon Steel Corp | Automatic measuring and controlling apparatus of fluorescent magnetic powder liquid concentration |
| JP2970944B2 (en) * | 1991-01-22 | 1999-11-02 | 電子磁気工業株式会社 | Magnetic powder liquid analyzer |
| JPH0894582A (en) * | 1994-09-22 | 1996-04-12 | Sumitomo Metal Ind Ltd | Measuring device for performance of fluorescent magnetic particle liquid |
-
2015
- 2015-01-07 CN CN201510006912.4A patent/CN105823822B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102884417A (en) * | 2010-05-07 | 2013-01-16 | 美哥特株式会社 | Method and apparatus for measuring the concentration of component in inspection liquid used for wet-type fluorescent magnetic particle testing |
| CN102854118A (en) * | 2012-09-12 | 2013-01-02 | 爱德森（厦门）电子有限公司 | Magnetic suspension concentration content calibration samples |
| CN103063554A (en) * | 2012-12-28 | 2013-04-24 | 河北省电力公司电力科学研究院 | Rapid and qualitative measurement method for magnetic suspension solution concentration based on transmittance |
Non-Patent Citations (1)
| Title |
|---|
| 荧光磁悬液浓度与探伤效果关系的评价;万升云;《铁道车辆》;19980430;第36卷(第4期);102-104 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105823822A (en) | 2016-08-03 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105823822B (en) | Magnetic flaw detection ink usability evaluation method for magnetic powder inspection non-destructive testing | |
| CN105528288B (en) | A kind of method for testing software and device | |
| CN105466998B (en) | A method of utilizing frequency conversion varying magnetic field exciting test Testing of Ferromagnetic Material Hardness characteristic | |
| CN102095707B (en) | Method for making and applying micro-porosity standard diagram of cast detected by fluorescence permeation | |
| WO2017219762A1 (en) | Magnetochromism detection device and method for crack in steel structure | |
| CN105572152B (en) | A kind of alternative assay method of composite material x-ray imaging sensitivity | |
| CN104165923A (en) | Nondestructive flaw detection device for metal wire/pipe | |
| CN202886327U (en) | Device for carrying out online real-time dynamic monitoring on concentration of magnetic suspension | |
| KR102049524B1 (en) | Contrast test specimens for measuring defects in tube expansion using eddy current test and method for measuring defects using the same | |
| CN109060939A (en) | Steel rail defect checking method for width based on leakage magnetic detection device | |
| CN105823763B (en) | Fluorescence intensity measurement method for automatic magnetic powder inspection | |
| CN112881403A (en) | Hot rolling strip steel surface defect detection device | |
| CN103048345B (en) | Test method for detecting inclusions in steel | |
| CN206515292U (en) | A kind of differential excitation formula Eddy Current Testing Transducer | |
| CN103822928B (en) | Contrast collection of illustrative plates of a kind of fluorescent penetration test flaw size and preparation method thereof | |
| CN104198456A (en) | Method for measuring fluorescence intensity and fluorescence color of diamond by adopting fluorescence spectrophotometry | |
| CN109060942A (en) | Steel rail defect depth detection method based on leakage magnetic detection device | |
| CN206019538U (en) | A kind of inner hole detecting device | |
| CN204643115U (en) | Pipe fitting detects the preposition mechanism of machine | |
| CN103163157A (en) | Glass defect inspection bench | |
| CN105823762B (en) | Fluorescence intensity unevenness measurement method and device for automatic magnetic powder inspection | |
| CN216350490U (en) | Test block for magnetic particle testing longitudinal magnetization system performance inspection | |
| CN106872915B (en) | Particle content monitoring method during flaw detection | |
| CN105783628A (en) | Screwed hole detection gauge and detection device | |
| CN110308044A (en) | Increasing material manufacturing product early stage stress based on metal magnetic memory test concentrates method of discrimination |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |