CN103033773B - Sample fixing device and the method carrying out paleomagnetic field intensity experiment with this device - Google Patents
Sample fixing device and the method carrying out paleomagnetic field intensity experiment with this device Download PDFInfo
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- CN103033773B CN103033773B CN201110305147.8A CN201110305147A CN103033773B CN 103033773 B CN103033773 B CN 103033773B CN 201110305147 A CN201110305147 A CN 201110305147A CN 103033773 B CN103033773 B CN 103033773B
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Abstract
The invention provides a kind of sample fixing device for paleomagnetic field intensity experiment, comprising: sample holder, described sample holder is provided with the first hole for accommodating described sample；And sample measurement fixed mount, it being provided with groove in it, sample holder is contained in the groove that fixed mount measured by sample.Another aspect of the present invention also provides for a kind of method carrying out paleomagnetic field intensity experiment with described sample fixing device, comprises the following steps: before drilling through sample, sample is carried out azimuth mark wire tag；Drill through sample, and the sample drilled through is fixed on sample holder；The sample holder of carry sample is carried out paleomagnetic field intensity experiment process；And utilize automatic superconductive magnetometer to carry out measurement of residual magnetism the sample holder carrying sample.Sample can be oriented process according to the present invention, obtain the full vector information of sample magnetic moment measurement, the most simple to operation, measurement data is accurate, and efficiency is high.
Description
Technical field
The present invention relates to magnetic-field measurement analysis field, more particularly, it relates to a kind of paleomagnetic field intensity
(abbreviation paleointensity) experiment sample fixing device and a kind of utilize this device to carry out paleointensity experiment
Method.
Background technology
Paleointensity experiment mainly carries out measurement of residual magnetism to the sample after paleointensity experimental furnace processes,
Then magnetic field of the earth paleointensity is extrapolated according to the remanent magnetism recorded.Whole time consumption of experimental process is laborious.By
In being limited by paleointensity experimental furnace and sample volume, (standard sample volume is generally 10cm3), once
Experiment is merely able to process general 70 samples.And for having the volcanic rock sample of high magnetic intensity,
If using normal volume sample, the magnetic moment of sample can exceed the range ability of automatic superconductive magnetometer,
And generally using rotating magnetometer to measure, the measurement of residual magnetism speed ratio of sample uses automatic superconductive system
Measuring speed is slow, and the directivity accuracy of magnetic moment measurement is relatively low.Generally speaking, normal volume is used
Sample to carry out paleointensity conventional efficient the lowest.
Summary of the invention
For problem present in correlation technique, it is an object of the invention to provide a kind of real for paleointensity
The sample fixing device tested and the method carrying out paleointensity experiment with this device, by this fixing device,
Small sample can be used to carry out paleointensity experiment, be suitable for automatic superconductive magnetometer and measure, be greatly enhanced
Conventional efficient.
For achieving the above object, according to an aspect of the invention, it is provided one is real for paleointensity
The small sample fixing device tested, comprising:
Sample holder, sample holder is provided with the first hole for accommodating sample；And
Fixed mount measured by sample, is provided with groove in it, and sample holder is contained in sample and measures fixing
In the groove of frame.
Preferably, sample fixing device also includes the hold down gag for compressing sample, sample holder
On be additionally provided with the second hole being connected with the first hole, hold down gag is contained in the second hole.
Preferably, sample holder includes the cuboid above V-arrangement body and V-arrangement body, cuboid
Upper surface is provided with the second hole, and the middle part of sample holder is provided with that axis is vertical with the axis in the second hole
One hole.
Preferably, a diameter of 3mm to 10mm in the first hole, the second hole includes screwed hole.
Preferably, hold down gag includes that screw, screw are screwed into sample holder by screwed hole, wherein,
The bottom of fixed mount measured by sample is square, and the groove arranged in it includes V-shaped groove.
Preferably, sample holder is made up of nonmagnetic ceramic material.
According to another aspect of the present invention, this sample fixing device measuring samples a kind of is additionally provided
The method of paleointensity, it is characterised in that comprise the following steps:
Before drilling through sample, sample is carried out azimuth mark wire tag；
Drill through sample, and the sample drilled through is fixed on sample holder, and keep sample azimuth mark
Will line is regulation orientation；
The sample holder of carry sample is carried out paleointensity experiment process；And
The sample holder of the carry sample processed through paleointensity experiment is carried out measurement of residual magnetism.
Preferably, the step being fixed on sample holder by sample includes: by inserting the screws into sample
Second hole of product fixed mount and sample is pressed in the first hole of sample holder.
Preferably, the step that the sample holder of carry sample carries out paleointensity experiment process includes: will
The sample holder of carry sample is put in the specimen holder of paleointensity experimental furnace, and specimen holder includes the long frame of V-arrangement.
Preferably, the sample holder processed through paleointensity experimental furnace is carried out the step of measurement of residual magnetism
Including: the sample holder processed through paleointensity experiment is put in the groove that fixed mount measured by sample.
Compared to prior art, the method have the advantages that
1. small sample can be used to measure, and influencing each other between small sample is less, and can be at instrument
Place more sample on device, sample can be carried out measurement of residual magnetism, once with superconductive magnetometer simultaneously
Can measure multiple sample, measurement data is accurate, and efficiency is high.
2. small sample may be oriented process, can obtain the full vector information of sample magnetic moment measurement.
3. ceramics sample frame can be reused, and placing sample is to fix with ceramic screw, side simple to operate
Just, unscrewing ceramic screw after having tested, sample easily unloads.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of sample holder；
Fig. 2 is the schematic diagram of hold down gag；
Fig. 3 is the assembling schematic diagram of sample holder and hold down gag；
Fig. 4 is the schematic diagram that fixed mount measured by sample；
Fig. 5 is the assembling schematic diagram of Fig. 1, Fig. 2 and Fig. 4；
Fig. 6 is the schematic diagram of specimen holder；And
Fig. 7 is the assembling schematic diagram of Fig. 1, Fig. 2 and Fig. 6.
Detailed description of the invention
Below in conjunction with the accompanying drawings the specific embodiment of the invention is described.
The invention provides a kind of sample fixing device for paleointensity experiment, such as Fig. 1 to Fig. 5 institute
Show, measure fixed mount 3 including sample holder 1 and sample, be wherein provided with on sample holder 1
For accommodating the first hole 11 of sample, sample is provided with groove 31 in measuring fixed mount 3, and sample is fixed
Frame 1 is contained in the groove 31 that fixed mount 3 measured by sample.
As it is shown in figure 1, sample holder 1 include above V-arrangement body 15 and V-arrangement body 15 rectangular
Body 17, the upper surface 19 of cuboid 17 is provided with the second hole 13, and the middle part of sample holder 1 is provided with axle
The first hole 11 that line is vertical with the axis in described second hole, and, the first hole 11 and the second hole 13 phase
Connection.
In order to ensure the certainty of measurement of experiment, sample fixing in this sample fixing device needs have one
The magnetic moment of sizing, then, the sample of relatively high magnetism can be chosen smaller, and magnetic is more weak
Sample can be chosen larger, considers, and the diameter in the first hole 11 for accommodating sample is chosen
In the range of 3mm to 10mm.
According to one embodiment of the invention, the magnetic moment of the sample owing to choosing varies in size, can be corresponding
Change the sample volume chosen, it is only necessary to the diameter in corresponding the first hole 11 changing sample holder, also
That is for the different sample of magnetic intensity, it is possible to use there is the sample in the first hole 11 of different pore size
Product fixed mount loads.According to another embodiment of the present invention, by the first hole 11 of sample holder
Diameter is set to 10mm, then chooses a series of annular auxiliary device (not shown in accompanying drawing) and chooses
The sample of certain volume coordinate and be loaded into together in the first hole 11 of fixed mount, wherein annular auxiliary dress
Put and be provided with a diameter and the identical through hole of the second hole 13 diameter for hold down gag 5 (as shown in Figure 2)
It is screwed in sample holder 1.A diameter of 6mm of the sample such as chosen, then choosing external diameter is 10mm,
Internal diameter is that the annular auxiliary device of 6mm (ring width is 4mm) is matched, is then loaded into the first hole 11
In.
As shown in Figures 2 and 3, sample fixing device also includes the hold down gag 5 for compressing sample,
In the second hole 13 that hold down gag 5 is contained on sample holder 1.
According to one embodiment of the invention, hold down gag 5 is set to screw, and sample holder 1 accommodates
Second hole 13 of hold down gag 5 is provided with screw thread, as it is shown on figure 3, sample is put into this sample holder
In the first hole in 1, insert screws in the screw thread in the second hole 13 of sample holder 1, press with this
Fasten and be contained in sample in the first hole 11.
As shown in Figure 4 and Figure 5, in order to match with measurement equipment, the end of fixed mount 3 measured by sample
Portion 33 is square, is provided with the V-shaped groove of V-arrangement mates with sample holder 1 in it.
According to one embodiment of the invention, sample holder 1 and hold down gag 5 by ceramic material system
Becoming, wherein, ceramics sample fixed mount uses high-purity alumina ceramic (alumina content is higher than 99.6%)
Making, this material is nonmagnetic material, and whole fixed mount finished product does not affect the accuracy of intensity experiment.
This ceramics sample fixed mount can tolerate the high temperature of 1200 degrees Celsius, it is possible to reuses.
According to the present invention, the method utilizing this sample fixing device to carry out paleointensity experiment specifically include with
Lower step:
First, sample is drilled through: before drilling through sample, sample is carried out azimuth mark wire tag, such as, is wanting
Drawing upper two orthogonal arrows on the sample surfaces chosen and come the orientation of labelling sample, labelling completes
After, the volcanic rock intensity small sample of a diameter of 4mm is drilled through with directional drilling machine, wherein, directional drilling machine is adopted
Using rotatable sample stage, sample can be carried out different azimuth and drill through, drill bit uses hollow taking
Core bores, and its drill bit internal diameter is 4mm, and rig has red laser emitter, can be accurately positioned required
The sample position drilled through, the small sample cutting after drilling through afterwards polishes and makes its length be maintained at a 4mm left side
Right；
Then, load and fix sample: be loaded in by above-mentioned sample after treatment under the microscope
On ceramics sample fixed mount 1, keep sample azimuth mark line for regulation orientation while loading, load
After completing, it is screwed into from the second hole 13 on sample holder 1 by screw and sample is carried out at compression
Reason, and by glass cement, sample can be fixed further；
In addition, sample is carried out paleointensity process: the sample holder 1 fixing sample is put into Gu
In the specimen holder 7 of intensity experiment stove, wherein preferably specimen holder is the long frame of V-arrangement (as shown in Figure 6),
Then open paleointensity experimental furnace, sample is carried out paleointensity process, i.e. the ring of simulation volcanic eruption
Sample is heated by border and cooling processes；
Finally, measurement of residual magnetism is carried out: by the sample of the carry sample after paleointensity experimental furnace has processed
Product fixed mount takes out from specimen holder 7, then puts it into sample and measures in fixed mount 3, then puts
Enter in superconduction sample rack, by superconductive magnetometer, such as 2G760 automatic Superconducting measurement system, sample is entered
Row measurement of residual magnetism.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for
For those skilled in the art, the present invention can have various modifications and variations.All essences in the present invention
Within god and principle, any modification, equivalent substitution and improvement etc. made, should be included in the present invention
Protection domain within.
Claims (8)
1. a sample fixing device, for paleomagnetic field intensity experiment, it is characterised in that including:
Sample holder (1), described sample holder (1) is provided with for accommodating described sample
The first hole (11)；And
Fixed mount (3) measured by sample, is provided with groove (31), described sample holder (1) in it
It is contained in the groove (31) that fixed mount (3) measured by described sample；
Wherein, described sample fixing device also includes the hold down gag (5) for compressing described sample,
The second hole (13) being connected with described first hole (11), described pressure it is additionally provided with on described sample holder (1)
Tight device (5) is contained in described second hole (13)；
Described sample holder (1) includes the cuboid above V-arrangement body (15) and described V-arrangement body
(17), the upper surface (19) of described cuboid (17) is provided with described second hole (13), described sample
The middle part of fixed mount (1) is provided with described first hole (11) that axis is vertical with the axis in described second hole, institute
Stating the second hole (13) is screwed hole；
Wherein, described hold down gag (5) is screw, and described screw is screwed into described sample by described screwed hole
Product fixed mount (1), puts into described first hole (11) in described sample holder (1) by described sample
In, insert screws in the screw thread of described second hole (13) of described sample holder (1), with this
It is fixed and is contained in sample in described first hole (11).
Sample fixing device the most according to claim 1, it is characterised in that described first hole (11)
A diameter of 3mm to 10mm.
Sample fixing device the most according to claim 2, it is characterised in that described sample is measured
The bottom (33) of fixed mount (3) is square, and the groove (31) arranged in it is V-shaped groove.
4. according to the sample fixing device described in any of the above-described claim, it is characterised in that Qi Zhongsuo
State sample holder (1) to be made up of nonmagnetic ceramic material.
5. the sample fixing device measuring samples paleomagnetic field intensity that one kind uses described in claim 1
Method, it is characterised in that comprise the following steps:
Before drilling through sample, sample is carried out azimuth mark wire tag；
Drill through sample, and the sample drilled through is fixed on sample holder (1), and keep sample side
Bit flag line is regulation orientation；
The sample holder of carry sample is carried out paleomagnetic field intensity experiment process；And
The sample holder (1) of the carry sample processed through paleomagnetic field intensity experiment is carried out remanent magnetism survey
Amount.
The method of measuring samples paleomagnetic field intensity the most according to claim 5, it is characterised in that
The step being fixed on by sample on sample holder (1) includes: solid by inserting the screws into described sample
Determine second hole (13) of frame (1) and sample is pressed on the first hole of described sample holder (1)
(11) in.
The method of measuring samples paleomagnetic field intensity the most according to claim 6, it is characterised in that
The step that the sample holder (1) of carry sample carries out paleomagnetic field intensity experiment process is included: will band
The sample holder (1) of sample is put in the specimen holder (7) of paleomagnetic field intensity experiment stove, described
Specimen holder is the long frame of V-arrangement.
The method of measuring samples paleomagnetic field intensity the most according to claim 5, it is characterised in that
The step that the sample holder (1) processed through paleomagnetic field intensity experiment carries out measurement of residual magnetism is included:
The sample holder (1) processed through paleomagnetic field intensity experiment is put into sample and measures fixed mount (3)
Groove in.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110305147.8A CN103033773B (en) | 2011-09-29 | 2011-09-29 | Sample fixing device and the method carrying out paleomagnetic field intensity experiment with this device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110305147.8A CN103033773B (en) | 2011-09-29 | 2011-09-29 | Sample fixing device and the method carrying out paleomagnetic field intensity experiment with this device |
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| Publication Number | Publication Date |
|---|---|
| CN103033773A CN103033773A (en) | 2013-04-10 |
| CN103033773B true CN103033773B (en) | 2016-08-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201110305147.8A Active CN103033773B (en) | 2011-09-29 | 2011-09-29 | Sample fixing device and the method carrying out paleomagnetic field intensity experiment with this device |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106772647A (en) * | 2016-11-24 | 2017-05-31 | 程燕君 | A kind of sample fixing device and the method that paleomagnetic field intensity experiment is carried out with the device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2464442Y (en) * | 2001-01-20 | 2001-12-12 | 中国科学院理化技术研究所 | Multiple physical magnitude integrated miniature experiment apparatus |
| WO2009138240A1 (en) * | 2008-05-14 | 2009-11-19 | Eni S.P.A. | Measuring device of the electric properties of solid or liquid geological samples |
| CN201965085U (en) * | 2010-12-23 | 2011-09-07 | 中国石油化工股份有限公司 | Sample holder |
| CN202305779U (en) * | 2011-09-29 | 2012-07-04 | 中国科学院地质与地球物理研究所 | Sample fixing device |
-
2011
- 2011-09-29 CN CN201110305147.8A patent/CN103033773B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2464442Y (en) * | 2001-01-20 | 2001-12-12 | 中国科学院理化技术研究所 | Multiple physical magnitude integrated miniature experiment apparatus |
| WO2009138240A1 (en) * | 2008-05-14 | 2009-11-19 | Eni S.P.A. | Measuring device of the electric properties of solid or liquid geological samples |
| CN201965085U (en) * | 2010-12-23 | 2011-09-07 | 中国石油化工股份有限公司 | Sample holder |
| CN202305779U (en) * | 2011-09-29 | 2012-07-04 | 中国科学院地质与地球物理研究所 | Sample fixing device |
Non-Patent Citations (1)
| Title |
|---|
| Windows环境下古地磁样品测试系统的实现;时斌 等;《长春科技大学学报》;19980731;第28卷(第3期);356-360 * |
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| CN103033773A (en) | 2013-04-10 |
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