CN106197764B - A kind of test method of iron-based amorphous alloy ribbon material piezomagnetism - Google Patents
A kind of test method of iron-based amorphous alloy ribbon material piezomagnetism Download PDFInfo
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- CN106197764B CN106197764B CN201610539291.0A CN201610539291A CN106197764B CN 106197764 B CN106197764 B CN 106197764B CN 201610539291 A CN201610539291 A CN 201610539291A CN 106197764 B CN106197764 B CN 106197764B
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- inductance
- pressure head
- piezomagnetism
- measurement pipe
- load pressure
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 title claims abstract description 25
- 239000000463 material Substances 0.000 title claims abstract description 15
- 229910000808 amorphous metal alloy Inorganic materials 0.000 title claims abstract description 12
- 229910052742 iron Inorganic materials 0.000 title claims abstract description 10
- 238000010998 test method Methods 0.000 title claims abstract description 10
- 238000005259 measurement Methods 0.000 claims abstract description 24
- 238000012360 testing method Methods 0.000 claims abstract description 22
- 229910045601 alloy Inorganic materials 0.000 claims abstract description 16
- 239000000956 alloy Substances 0.000 claims abstract description 16
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 15
- 239000010959 steel Substances 0.000 claims abstract description 15
- 239000011521 glass Substances 0.000 claims abstract description 5
- 230000005291 magnetic effect Effects 0.000 claims description 8
- 230000001939 inductive effect Effects 0.000 claims description 4
- 238000000691 measurement method Methods 0.000 abstract description 3
- 230000004044 response Effects 0.000 abstract description 3
- 230000035945 sensitivity Effects 0.000 abstract description 3
- 238000003466 welding Methods 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 238000002360 preparation method Methods 0.000 abstract description 2
- 238000012544 monitoring process Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 description 7
- 230000008569 process Effects 0.000 description 4
- 229910000679 solder Inorganic materials 0.000 description 4
- 239000003302 ferromagnetic material Substances 0.000 description 3
- 230000009471 action Effects 0.000 description 1
- 238000005275 alloying Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000001808 coupling effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L1/00—Measuring force or stress, in general
- G01L1/12—Measuring force or stress, in general by measuring variations in the magnetic properties of materials resulting from the application of stress
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Magnetic Variables (AREA)
Abstract
The invention discloses a kind of test method of iron-based amorphous alloy ribbon material piezomagnetism, test method steps are as follows: (1) test device prepares: testing the measuring device used includes measurement pipe, the inductance coil for being around in measurement pipe surface and load pressure head；(2) alloy strip steel rolled stock is put into the measurement pipe of measuring device, sensing pressure head is recycled to apply stress to alloy strip steel rolled stock by glass plate；(3) counterweight is gradually added on the load pressure head of measuring device, pressed to alloy strip steel rolled stock；(4) curve graph of piezomagnetism value and coil inductance is drawn.The device preparation process that the present invention uses is easy, low manufacture cost；Material of measuring and monitoring the growth of standing timber eliminates the trouble of welding lead, and signal response is fast, measurement accuracy, and stability greatly improves；Measurement method is simple, easy to operate, and sensitivity is higher；Test result can the more intuitive piezomagnetic properties for accurately reacting band.
Description
Technical field
The present invention relates to a kind of measurement methods of piezomagnetism, and in particular to a kind of iron-based amorphous alloy ribbon material piezomagnetism
Test method.
Background technique
Amorphous alloy strips are a kind of new materials made of flash set technology, since it is with high magnetic permeability, height
The advantages that saturation induction density, low-coercivity, low iron loss and good thermal stability and be widely used in transformer, filtered electrical
The electronic fields such as sense, mutual inductor and sensor.
Fe-based amorphous alloy has significant pressure magnetic characteristic, i.e., logical inside Fe-based amorphous band under the action of compression
Spend the phenomenon that magnetoelasticity coupling effect causes magnetic conductivity to change.The piezomagnetism of Fe-based amorphous alloy is mainly by its inside
Stress influence, and the distribution situation of internal stress and its alloying component, moulding process, sample size and heat treatment process etc. are deposited
In substantial connection.
Currently, in the research process of ferromagnetic material piezomagnetism, there is because the not perfect bring of measuring device it is many
Problem, wherein most important problem is that ferromagnetic material must be welded and can be connected by solder with the lead for connecting impedance analyzer
It measures, and the solder joint that solder is formed is difficult to control, bring impedance variations are enough to influence test result.In addition, solder
Problem is not infiltrated between ferromagnetic material, so that welding has very big difficulty.The problem present on, so that measurement misses every time
Difference is very big, and measurement result all hardly results in repetition, and the sensitivity measured is not also high.
Summary of the invention
It is an object of the invention in view of the above-mentioned problems, providing a kind of test of iron-based amorphous alloy ribbon material piezomagnetism
Method is not necessarily to welding lead, signal response is fast, and measurement is accurate, and repetition stability is good so that test operation is simple.
The technical scheme is that a kind of test method of iron-based amorphous alloy ribbon material piezomagnetism, which is characterized in that
Steps are as follows for its test method:
(1) test device prepares: testing the measuring device used includes measurement pipe, the inductance coil for being around in measurement pipe surface
With load pressure head, load pressure head is placed in the upper opening of measurement pipe middle section, and two groups of inductance coils are located at a left side for load pressure head
Right two sides, two groups of inductance coil series system connections, concatenated two groups of inductance coils form closure connection with digital electric bridge again.
(2) alloy strip steel rolled stock is put into the measurement pipe of measuring device, recycles sensing pressure head by glass plate to alloy strip
Material applies stress, as the increase of forced area is so that the stress inside band is more uniform, in addition, alloy strip steel rolled stock can make magnetic force
Congruence collection simultaneously passes through along inside it, to improve the reliability and stability of test result.
(3) counterweight is gradually added on the load pressure head of measuring device, pressed to alloy strip steel rolled stock, while utilizing number
Electric bridge completes the real-time acquisition to test device closed circuit inductive data.
(4) curve graph SI (%) --- the σ of piezomagnetism value and coil inductance is drawn, to characterize piezomagnetism.It presses magnetic
Effect value SI's (%) is defined as: SI (%)=[Ls (σ)-Ls (σ0)]/ Ls(σ0) %, Ls is coil inductance, Ls (σ) in formula
Coil inductance when for stress being σ, Ls (σ0) it is coil inductance when not adding stress.
The beneficial effects of the present invention are: 1, device preparation process is easy, low manufacture cost；2, measured and monitored the growth of standing timber material eliminates weldering
The trouble of lead is connect, and signal response is fast, measurement accuracy, stability greatly improves；3, measurement method is simple, easy to operate, spirit
Sensitivity is higher；4, test result can the more intuitive piezomagnetic properties for accurately reacting band.
Detailed description of the invention
Fig. 1 is the structural schematic diagram for the measuring device that the present invention uses.
Fig. 2 is the top view of Fig. 1.
1, measurement pipe 2, inductance coil 3, load pressure head 4, glass plate 5, alloy strip steel rolled stock 6, number in the figure
Electric bridge.
Specific embodiment
The technical solution of the patent is explained in further detail With reference to embodiment.
As shown in Figure 1 and Figure 2, a kind of test method of iron-based amorphous alloy ribbon material piezomagnetism, which is characterized in that it is surveyed
Steps are as follows for method for testing:
(1) test device prepares: testing the measuring device used includes measurement pipe 1, the inductor wire for being around in measurement pipe surface
Circle 2 and load pressure head 3, load pressure head 3 are placed in 1 middle section upper opening of measurement pipe, and two groups of inductance coils 2 are located at load pressure
First 3 left and right sides, two groups of 2 series system of inductance coil connections, and two groups of coil total inductance values require >=10 μ H, string when zero load
Two groups of inductance coils 2 of connection form closure connection with digital electric bridge 6 again.
(2) alloy strip steel rolled stock 5 is put into the measurement pipe 1 of measuring device, sensing pressure head 3 is recycled to pass through 4 pairing of glass plate
Gold ribbon material 5 applies stress, as the increase of forced area is so that the stress inside band is more uniform, in addition, 5 meeting of alloy strip steel rolled stock
The magnetic line of force is set to collect and pass through along inside it, to improve the reliability and stability of test result.
(3) counterweight is gradually added on the load pressure head 3 of measuring device, pressed to alloy strip steel rolled stock 5, while utilizing number
Word electric bridge 6 completes the real-time acquisition to test device closed circuit inductive data.
(4) curve graph SI (%) --- the σ of piezomagnetism value and coil inductance is drawn, to characterize piezomagnetism.It presses magnetic
Effect value SI's (%) is defined as: SI (%)=[Ls (σ)-Ls (σ0)]/ Ls(σ0) %, Ls is coil inductance, Ls (σ) in formula
Coil inductance when for stress being σ, Ls (σ0) it is coil inductance when not adding stress.
Tested alloy strip steel rolled stock selects typical Fe-based amorphous/nanocrystalline strip Fe71.5Cu1Nb3Si13.5B9Amorphous ribbon
Material presses to alloy strip steel rolled stock by counterweight, while being completed using digital electric bridge (TH-2816) to experimental provision closed circuit
The real-time acquisition of inductive data.In test process, the test frequency of digital electric bridgef=1 kHz measures the v of voltage lev=0.3；Pressure
The stress loading range of force tester is 0-0.1 MPa.
Piezomagnetism is characterized using " SI (%) --- σ " curve.Its piezomagnetism value SI's (%) is defined as:
SI(%) = [Ls(σ)- Ls(σ0)]/ Ls(σ0)%
Ls is coil inductance in formula, Ls (σ) is stress coil inductance when being σ, Ls (σ0) it is coil when not adding stress
Inductance value.
Claims (2)
1. a kind of test method of iron-based amorphous alloy ribbon material piezomagnetism, which is characterized in that steps are as follows for its test method:
(1) test device prepares: testing the measuring device used and includes measurement pipe, the inductance coil for being around in measurement pipe surface and add
Pressure head is carried, load pressure head is placed in the upper opening of measurement pipe middle section, and two groups of inductance coils are located at the left and right two of load pressure head
Side, two groups of inductance coil series system connections, concatenated two groups of inductance coils form closure connection with digital electric bridge again；
(2) alloy strip steel rolled stock is put into the measurement pipe of measuring device, load pressure head is recycled to apply by glass plate to alloy strip steel rolled stock
Add stress；
(3) counterweight is gradually added on the load pressure head of measuring device, pressed to alloy strip steel rolled stock, while utilizing digital electric bridge
Complete the real-time acquisition to test device closed circuit inductive data；
(4) curve graph SI (%) --- the σ of piezomagnetism value and coil inductance is drawn, to characterize piezomagnetism；It presses magnetic effect
It should value SI (%) is defined as: SI (%)=[Ls (σ)-Ls (σ0 )]/ Ls(σ0) %, Ls is coil inductance in formula,
Ls (σ) is stress coil inductance when being σ, Ls (σ0 ) it is coil inductance when not adding stress.
2. a kind of test device of iron-based amorphous alloy ribbon material piezomagnetism, it is characterised in that: including measurement pipe, be around in measurement pipe
The inductance coil and load pressure head on surface, load pressure head are placed in the upper opening of measurement pipe middle section, and two groups of inductance coils distinguish position
In the left and right sides of load pressure head, the connection of two groups of inductance coil series systems, concatenated two groups of inductance coils are again and digital electric bridge
Form closure connection.
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| CN201610539291.0A CN106197764B (en) | 2016-07-11 | 2016-07-11 | A kind of test method of iron-based amorphous alloy ribbon material piezomagnetism |
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| CN201610539291.0A CN106197764B (en) | 2016-07-11 | 2016-07-11 | A kind of test method of iron-based amorphous alloy ribbon material piezomagnetism |
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| CN106197764B true CN106197764B (en) | 2019-02-26 |
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| CN110654085B (en) * | 2019-09-28 | 2021-01-05 | 南昌大学 | Strain measurement chip based on magnetic property change and measurement device and test method thereof |
| CN113834952B (en) * | 2021-09-23 | 2024-04-12 | 中国人民解放军国防科技大学 | Device and method for realizing object acceleration measurement based on amorphous wire GSI effect |
| CN113917376B (en) * | 2021-10-09 | 2023-09-12 | 皖西学院 | Testing device for piezomagnetic effect of iron-based amorphous alloy strip |
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| JPH06288844A (en) * | 1993-03-31 | 1994-10-18 | Matsushita Electric Ind Co Ltd | Mechanical quantity sensor |
| CN100370238C (en) * | 2005-07-18 | 2008-02-20 | 吉林大学 | Apparatus for measuring internal stress of ferromagnetic material |
| CN100397059C (en) * | 2006-06-20 | 2008-06-25 | 淮海工学院 | Mechanical stress measuring apparatus |
| CN101813534B (en) * | 2009-02-19 | 2012-06-27 | 杭州自动化技术研究院有限公司 | Method and device for continuously measuring stress of ferromagnetic material in contact-less mode |
| CN205079891U (en) * | 2015-09-01 | 2016-03-09 | 宁波希磁电子科技有限公司 | Magnetism pressure sensor |
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Non-Patent Citations (1)
| Title |
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| 连续压应力下Fe基非晶合金带材的压磁效应;杜康等;《功能材料》;20131231;第44卷(第17期);第2468-2472页 |
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Effective date of registration: 20190820 Address after: 336000 Yichun economic and Technological Development Zone, Jiangxi Patentee after: JIANGXI EVERTECH MAGNETICS CO.,LTD. Address before: 330031 No. 999, Xuefu Avenue, Nanchang, Jiangxi Patentee before: Nanchang University |
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Denomination of invention: A test method for piezomagnetic effect of Fe based amorphous alloy strip Effective date of registration: 20200921 Granted publication date: 20190226 Pledgee: Yichun branch of Bank of China Ltd. Pledgor: JIANGXI EVERTECH MAGNETICS Co.,Ltd. Registration number: Y2020980006259 |
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Date of cancellation: 20210926 Granted publication date: 20190226 Pledgee: Yichun branch of Bank of China Ltd. Pledgor: JIANGXI EVERTECH MAGNETICS Co.,Ltd. Registration number: Y2020980006259 |
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Denomination of invention: A test method for piezomagnetic effect of iron-based amorphous alloy strip Effective date of registration: 20210929 Granted publication date: 20190226 Pledgee: Yichun branch of Bank of China Ltd. Pledgor: JIANGXI EVERTECH MAGNETICS Co.,Ltd. Registration number: Y2021980010272 |
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Date of cancellation: 20220920 Granted publication date: 20190226 Pledgee: Yichun branch of Bank of China Ltd. Pledgor: JIANGXI EVERTECH MAGNETICS CO.,LTD. Registration number: Y2021980010272 |
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Denomination of invention: A Testing Method for Piezomagnetic Effect of Fe based Amorphous Alloy Strip Effective date of registration: 20220922 Granted publication date: 20190226 Pledgee: Yichun branch of Bank of China Ltd. Pledgor: JIANGXI EVERTECH MAGNETICS CO.,LTD. Registration number: Y2022980016173 |
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Granted publication date: 20190226 Pledgee: Yichun branch of Bank of China Ltd. Pledgor: JIANGXI EVERTECH MAGNETICS CO.,LTD. Registration number: Y2022980016173 |