CN107941582A - A kind of metallographic specimen preparation method - Google Patents
A kind of metallographic specimen preparation method Download PDFInfo
- Publication number
- CN107941582A CN107941582A CN201711223867.3A CN201711223867A CN107941582A CN 107941582 A CN107941582 A CN 107941582A CN 201711223867 A CN201711223867 A CN 201711223867A CN 107941582 A CN107941582 A CN 107941582A
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- China
- Prior art keywords
- metallographic specimen
- sample
- polishing
- specimen preparation
- inlay
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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
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/286—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q involving mechanical work, e.g. chopping, disintegrating, compacting, homogenising
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/32—Polishing; Etching
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/286—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q involving mechanical work, e.g. chopping, disintegrating, compacting, homogenising
- G01N2001/2866—Grinding or homogeneising
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- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention discloses a kind of metallographic specimen preparation method of metallographic specimen preparing technical field, which includes the following steps：S1：Sampling：Metallographic specimen samples；S2：Inlay：Sample and inlay are put into togerther in punching block, heating pressurization, demoulds after cooling；S3：Corase grinding：Polished using abrasive machine, then polished manually using 68 grades of abrasive paper for metallograph again；S4：Fine grinding；S5：Polishing：The polishing scratch that surface leaves when fine grinding is removed by the way of mechanical polishing；S6：Corrosion：With the surface of alcohol washes sample, be then placed in corrosive agent, when sample is shown slightly it is gloomy when, take out sample, then water and alcohol rinse are used, dried up again with hair-dryer, technique is simple, shortens preparation time, and the quality of metallographic specimen is high, piebald will not be caused on the surface of metallographic specimen, additionally it is possible to prevent the interior tissue of metallographic specimen from changing, preparation efficiency is high.
Description
Technical field
The present invention relates to metallographic specimen preparing technical field, is specially a kind of metallographic specimen preparation method.
Background technology
Prepared by metallographic specimen be that metallographic studies a very important part, it includes interception of sample, sample is inlayed, tried
The polishing of sample, the polishing of sample, the display of metallographic microstructure.The inspection of metallographic microstructure needs to be formed after polishing exemplar
Metallographic specimen can just test, and the quality of quality of finish directly influences test effect, the purpose of sample polishing be in order to except
The polishing scratch that goes on sample flour milling to leave, obtain the surface like minute surface, is ready for display tissue.It is prepared by existing metallographic specimen
Method complex process, cost is excessive, and the metallographic specimen prepared is of low quality, for this reason, a kind of it is proposed that metallographic specimen
Preparation method.
The content of the invention
It is proposed in the above background technology existing to solve it is an object of the invention to provide a kind of metallographic specimen preparation method
Some metallographic specimen preparation method complex process, cost is excessive, and the metallographic specimen prepared it is of low quality the problem of.
To achieve the above object, the present invention provides following technical solution：A kind of metallographic specimen preparation method, the metallographic specimen
Preparation method includes the following steps：
S1：Sampling：Metallographic specimen samples；
S2：Inlay：Sample and inlay are put into togerther in punching block, heating pressurization, demoulds after cooling；
S3：Corase grinding：Polished using abrasive machine, then polished manually using 6-8 grades of abrasive paper for metallograph again；
S4：Fine grinding：Wet-milling is carried out to sample by the way of grinding by hand, fine grinding sand paper is waterproof abrasive paper；
S5：Polishing：The polishing scratch that surface leaves when fine grinding is removed by the way of mechanical polishing；
S6：Corrosion：With the surface of alcohol washes sample, be then placed in corrosive agent, when sample is shown slightly it is gloomy when, take out examination
Sample, then with water and alcohol rinse, then is dried up with hair-dryer.
Preferably, it is 13-16 millimeters highly with width a diameter of 12-15 millimeters of metallographic specimen in the step S1, institute
The shape for stating metallographic specimen is circular or square.
Preferably, the phenolic moulding powder that the inlay in the step S2 forms for resinox and wood powder.
Preferably, temperature when being inlayed in the step S2 is 12-130 degrees Celsius, pressure 30-35MPS, heating time
For 13-17 minutes, soaking time was 4-6 minutes.
Preferably, in the step S3 carry out abrasive machine polish when, it is necessary to be cooled down by the way of water cooling.
Preferably, the specific method mechanically polished in the step S5 is：Mat formation on polishing disk canvas, carry out rough polishing
Light, silk of then mating formation on polishing disk, carries out fine polishing again.
Preferably, in the step S6, before using hair-dryer drying, blotting paper need to be used by the wine on the surface of sample
Essence and water blot.
Compared with prior art, the beneficial effects of the invention are as follows：A kind of metallographic specimen preparation method that the invention proposes, work
Skill is simple, shortens preparation time, and the quality of metallographic specimen is high, will not cause piebald on the surface of metallographic specimen, additionally it is possible to
Prevent the interior tissue of metallographic specimen from changing, preparation efficiency is high.
Brief description of the drawings
Fig. 1 is preparation method flow chart of the present invention.
Embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other without making creative work
Embodiment, belongs to the scope of protection of the invention.
Referring to Fig. 1, the present invention provides a kind of technical solution：It is prepared by a kind of metallographic specimen preparation method, the metallographic specimen
Method includes the following steps：
S1：Sampling：Metallographic specimen samples, a diameter of 12-15 millimeters of metallographic specimen, is 13-16 millimeters highly with width,
The shape of the metallographic specimen is circular or square；
S2：Inlay：Sample and inlay are put into togerther in punching block, heating pressurization, demoulds after cooling, inlay
Expect the phenolic moulding powder for resinox and wood powder composition, temperature when inlaying is 12-130 degrees Celsius, pressure 30-35MPS,
Heating time is 13-17 minutes, and soaking time is 4-6 minutes；
S3：Corase grinding：Polished using abrasive machine, then polished manually using 6-8 grades of abrasive paper for metallograph again, into
, it is necessary to be cooled down by the way of water cooling when row abrasive machine polishes；
S4：Fine grinding：Wet-milling is carried out to sample by the way of grinding by hand, fine grinding sand paper is waterproof abrasive paper；
S5：Polishing：The polishing scratch that surface leaves when fine grinding is removed by the way of mechanical polishing, the specific method of mechanical polishing
For：Mat formation on polishing disk canvas, carry out rough polishing, silk of then mating formation on polishing disk, carries out fine polishing again；
S6：Corrosion：With the surface of alcohol washes sample, be then placed in corrosive agent, when sample is shown slightly it is gloomy when, take out examination
Sample, then with water and alcohol rinse, then is dried up with hair-dryer, before using hair-dryer drying, need to use blotting paper by sample
Surface alcohol and water blot.
Although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
Understanding without departing from the principles and spirit of the present invention can carry out these embodiments a variety of changes, modification, replace
And modification, the scope of the present invention is defined by the appended.
Claims (7)
- A kind of 1. metallographic specimen preparation method, it is characterised in that：The metallographic specimen preparation method includes the following steps：S1：Sampling：Metallographic specimen samples；S2：Inlay：Sample and inlay are put into togerther in punching block, heating pressurization, demoulds after cooling；S3：Corase grinding：Polished using abrasive machine, then polished manually using 6-8 grades of abrasive paper for metallograph again；S4：Fine grinding：Wet-milling is carried out to sample by the way of grinding by hand, fine grinding sand paper is waterproof abrasive paper；S5：Polishing：The polishing scratch that surface leaves when fine grinding is removed by the way of mechanical polishing；S6：Corrosion：With the surface of alcohol washes sample, be then placed in corrosive agent, when sample is shown slightly it is gloomy when, take out sample, Then water and alcohol rinse are used, then is dried up with hair-dryer.
- A kind of 2. metallographic specimen preparation method according to claim 1, it is characterised in that：Metallographic specimen in the step S1 A diameter of 12-15 millimeters, be 13-16 millimeter highly with width, the shape of the metallographic specimen is circular or square.
- A kind of 3. metallographic specimen preparation method according to claim 1, it is characterised in that：Inlay in the step S2 The phenolic moulding powder formed for resinox and wood powder.
- A kind of 4. metallographic specimen preparation method according to claim 1, it is characterised in that：When being inlayed in the step S2 Temperature is 12-130 degrees Celsius, pressure 30-35MPS, and heating time is 13-17 minutes, and soaking time is 4-6 minutes.
- A kind of 5. metallographic specimen preparation method according to claim 1, it is characterised in that：Sand is being carried out in the step S3 , it is necessary to be cooled down by the way of water cooling when turbine polishes.
- A kind of 6. metallographic specimen preparation method according to claim 1, it is characterised in that：Mechanically polished in the step S5 Specific method be：Mat formation on polishing disk canvas, carry out rough polishing, silk of then mating formation on polishing disk, carries out thin again Polishing.
- A kind of 7. metallographic specimen preparation method according to claim 1, it is characterised in that：In the step S6, using Before hair-dryer drying, the alcohol on the surface of sample and water need to be blotted using blotting paper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711223867.3A CN107941582A (en) | 2017-11-29 | 2017-11-29 | A kind of metallographic specimen preparation method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711223867.3A CN107941582A (en) | 2017-11-29 | 2017-11-29 | A kind of metallographic specimen preparation method |
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| CN107941582A true CN107941582A (en) | 2018-04-20 |
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| CN201711223867.3A Pending CN107941582A (en) | 2017-11-29 | 2017-11-29 | A kind of metallographic specimen preparation method |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108802325A (en) * | 2018-06-05 | 2018-11-13 | 中铝东南材料院（福建）科技有限公司 | A method of measuring aluminium sheet edge burr |
| CN109374370A (en) * | 2018-09-11 | 2019-02-22 | 中北大学 | A kind of workbench applied to the automatic preparation facilities of chip metallographic test specimen |
| CN109444194A (en) * | 2018-09-13 | 2019-03-08 | 胜科纳米（苏州）有限公司 | A kind of method for embedding of scanning electron microscope example |
| CN109746771A (en) * | 2019-02-14 | 2019-05-14 | 南京航空航天大学 | A kind of CsPbX3The polishing method of inorganic perovskite crystalline material |
| CN109855933A (en) * | 2019-01-14 | 2019-06-07 | 大冶特殊钢股份有限公司 | A kind of metallographic specimen preparation method |
| CN111122573A (en) * | 2019-12-30 | 2020-05-08 | 苏州苏勃检测技术服务有限公司 | Detection method suitable for compression ratio of automobile wire harness terminal |
| CN114942166A (en) * | 2022-03-30 | 2022-08-26 | 鞍钢股份有限公司 | Metallographic specimen preparation method for detecting inclusions on surface of thin steel plate |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2009061556A (en) * | 2007-09-07 | 2009-03-26 | Jfe Steel Kk | Surface grinding method |
| CN101788498A (en) * | 2010-01-14 | 2010-07-28 | 东北大学 | Chemical corrosion detection method of hot rolling strip steel scale structure |
| CN102621148A (en) * | 2012-03-14 | 2012-08-01 | 东莞市科力钢铁线材有限公司 | Method for measuring nonmetallic inclusion in steel |
| CN103759999A (en) * | 2014-01-26 | 2014-04-30 | 国家电网公司 | Metallographic sample preparation method for brittle and hard oxide layer on inner wall of heating surface tube |
| CN104713759A (en) * | 2015-02-13 | 2015-06-17 | 东北大学 | Method for detecting surface oxidized scale sample of hot rolled steel plate |
| CN105547783A (en) * | 2015-12-30 | 2016-05-04 | 北京钢研高纳科技股份有限公司 | Embedding method for metallographic specimen |
-
2017
- 2017-11-29 CN CN201711223867.3A patent/CN107941582A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009061556A (en) * | 2007-09-07 | 2009-03-26 | Jfe Steel Kk | Surface grinding method |
| CN101788498A (en) * | 2010-01-14 | 2010-07-28 | 东北大学 | Chemical corrosion detection method of hot rolling strip steel scale structure |
| CN102621148A (en) * | 2012-03-14 | 2012-08-01 | 东莞市科力钢铁线材有限公司 | Method for measuring nonmetallic inclusion in steel |
| CN103759999A (en) * | 2014-01-26 | 2014-04-30 | 国家电网公司 | Metallographic sample preparation method for brittle and hard oxide layer on inner wall of heating surface tube |
| CN104713759A (en) * | 2015-02-13 | 2015-06-17 | 东北大学 | Method for detecting surface oxidized scale sample of hot rolled steel plate |
| CN105547783A (en) * | 2015-12-30 | 2016-05-04 | 北京钢研高纳科技股份有限公司 | Embedding method for metallographic specimen |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108802325A (en) * | 2018-06-05 | 2018-11-13 | 中铝东南材料院（福建）科技有限公司 | A method of measuring aluminium sheet edge burr |
| CN109374370A (en) * | 2018-09-11 | 2019-02-22 | 中北大学 | A kind of workbench applied to the automatic preparation facilities of chip metallographic test specimen |
| CN109444194A (en) * | 2018-09-13 | 2019-03-08 | 胜科纳米（苏州）有限公司 | A kind of method for embedding of scanning electron microscope example |
| CN109855933A (en) * | 2019-01-14 | 2019-06-07 | 大冶特殊钢股份有限公司 | A kind of metallographic specimen preparation method |
| CN109746771A (en) * | 2019-02-14 | 2019-05-14 | 南京航空航天大学 | A kind of CsPbX3The polishing method of inorganic perovskite crystalline material |
| CN111122573A (en) * | 2019-12-30 | 2020-05-08 | 苏州苏勃检测技术服务有限公司 | Detection method suitable for compression ratio of automobile wire harness terminal |
| CN114942166A (en) * | 2022-03-30 | 2022-08-26 | 鞍钢股份有限公司 | Metallographic specimen preparation method for detecting inclusions on surface of thin steel plate |
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Application publication date: 20180420 |
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