CN112014191A - Sample preparation method for testing hardness of ceramic pellet - Google Patents
Sample preparation method for testing hardness of ceramic pellet Download PDFInfo
- Publication number
- CN112014191A CN112014191A CN202011104724.2A CN202011104724A CN112014191A CN 112014191 A CN112014191 A CN 112014191A CN 202011104724 A CN202011104724 A CN 202011104724A CN 112014191 A CN112014191 A CN 112014191A
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- Prior art keywords
- resin
- sample preparation
- hardness
- ceramic
- testing
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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
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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
- 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
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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
- G01N1/32—Polishing; Etching
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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
- G01N1/36—Embedding or analogous mounting of samples
-
- 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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- 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
- G01N1/36—Embedding or analogous mounting of samples
- G01N2001/364—Embedding or analogous mounting of samples using resins, epoxy
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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 sample preparation method for testing hardness of ceramic balls, and relates to the technical field of sample preparation for testing hardness of ceramic balls. The sample preparation method for testing the hardness of the ceramic pellet completes sample preparation by matching a glass sheet, an adhesive tape, the ceramic pellet to be tested, cold-inlaid resin, a plastic ring, lubricating oil and abrasive paper. According to the sample preparation method, the sample block which has good integral hardness, accords with the test environment of the hardness tester and has a flat surface to be tested can be obtained, and the hardness test of the ceramic balls with different sizes can be realized through the sample preparation method.
Description
Technical Field
The invention relates to the field of sample preparation for ceramic ball hardness test, in particular to a sample preparation method for testing the hardness of a ceramic ball.
Background
The ceramic balls are widely used, and commonly used are alumina balls, zirconia balls, silicon carbide balls, silicon nitride balls and the like. Taking zirconia balls as an example: the zirconia ceramic ball has the characteristics of high strength, high toughness, high rigidity, good wear resistance, high temperature resistance, corrosion resistance, non-magnetic conductivity, electric insulation and the like at normal temperature. The zirconia ceramic ball has almost unchanged strength and hardness at 600 ℃ and the density of 6.00
The thermal expansion rate is close to that of metal, and the material can be used together with metal. The method is suitable for bearings, sealing elements and the like. High-purity zirconia beads (TZP Ceramics beads) are the most ideal grinding medium and are widely applied to superfine grinding and dispersion of materials in industries such as non-metallic ores, coatings, printing ink, paint, dyes, titanium dioxide, pesticides, magnetic materials and the like.
For the hardness test of the large-size ceramic ball, a sample can be directly prepared in a sand paper grinding mode, the cross section of the ceramic ball is exposed after polishing, the other surface of the ceramic ball is polished to enable the bottom of the ceramic ball to be flat, the ceramic ball can be stably placed on a hardness tester for testing, but the operation is not applicable when the size of the ceramic ball is smaller.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a sample preparation method for testing the hardness of ceramic pellets, which solves the problem that the hardness of small-size ceramic pellets cannot be tested, can test the ceramic pellets with the diameter of 0.15mm and above and has wide application range.
(II) technical scheme
In order to achieve the above purpose, the invention is realized by the following technical scheme: a sample preparation method for testing the hardness of ceramic pellets specifically comprises the following steps:
step one, adhering a tape: a layer of adhesive tape is laid on the glass, and one side of the adhesive tape is upward;
step two, placing ceramic balls: laying one layer or a plurality of small balls to be detected on the adhesive tape;
step three, lubricating oil coating: uniformly coating the inner wall of the plastic ring with lubricating oil, and then placing the plastic ring on the adhesive tape, wherein the small balls are contained in the plastic ring;
step four, preparing cold embedding resin: mixing the cold-inlaid epoxy resin according to an instruction;
step five, pouring resin: pouring resin into the plastic ring, wherein the resin does not pass through the ceramic ball to be detected;
step six, taking down the resin block: after the epoxy resin is cured, taking down the resin block from the plastic ring;
step seven, polishing the resin block: and (5) polishing the resin block by using sand paper to grind the cross section of the ceramic ball.
Preferably, the glass sheet needs to be flat and defect free.
Preferably, the ceramic balls to be tested need to be spread on the adhesive tape.
Preferably, the plastic ring needs to be evenly coated on the inner wall by using lubricating oil.
Preferably, the cold-setting resin is mixed uniformly according to the manufacturer's instructions.
Preferably, the resin is poured into the plastic ring, the resin does not need to cover the ceramic ball to be detected, and the resin is taken down from the ring after being cured.
Preferably, the resin block needs to be polished by sand paper to grind the cross section of the ceramic ball.
(III) advantageous effects
The invention provides a sample preparation method for testing hardness of ceramic pellets. Compared with the prior art, the method has the following beneficial effects:
the sample preparation method for testing the hardness of the ceramic pellet specifically comprises the following steps:
step one, adhering a tape: a layer of adhesive tape is laid on the glass, and one side of the adhesive tape is upward;
step two, placing ceramic balls: laying one layer or a plurality of small balls to be detected on the adhesive tape;
step three, lubricating oil coating: after the inner wall of the plastic ring is uniformly coated with lubricating oil, the plastic ring is placed on the adhesive tape, and the small balls are contained in the plastic ring;
step four, preparing cold embedding resin: mixing the cold-inlaid epoxy resin according to an instruction;
step five, pouring resin: pouring resin into the plastic ring, wherein the resin does not pass through the ceramic ball to be detected;
step six, taking down the resin block: after the epoxy resin is cured, taking down the resin block from the plastic ring;
step seven, polishing the resin block: and (5) polishing the resin block by using sand paper to grind the cross section of the ceramic ball.
The sample preparation method comprises the steps of using a glass sheet, an adhesive tape, a ceramic ball to be tested, cold-inlaid resin, a plastic ring, lubricating oil and abrasive paper to match with each other to complete sample preparation, enabling the adhesive surface of the adhesive tape to face upwards to play a role in fixing the ceramic ball, enabling the plastic ring to play a role in containing the resin, smearing the lubricating oil in the plastic ring to play a role in taking down a resin block, and enabling the cold-inlaid resin to play a role in fixing the ceramic ball. According to the sample preparation method, the sample block which has good integral hardness, accords with the test environment of the hardness tester and has a smoother surface to be tested can be obtained, and the hardness test of the ceramic balls with different sizes can be realized through the sample preparation method.
Drawings
FIG. 1 is a schematic view of the present invention;
FIG. 2 is a schematic diagram of a first embodiment of the present invention;
FIG. 3 is a schematic structural view of step two of the present invention;
FIG. 4 is a schematic structural view of step three of the present invention;
FIG. 5 is a schematic structural view of step five of the present invention;
FIG. 6 is a schematic structural view of step six of the present invention;
FIG. 7 is a schematic structural diagram of a seventh step of the present invention.
In the figure, 1 glass sheet, 2 adhesive tape, 3 ceramic balls, 4 cold-setting resin and 5 plastic rings.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
Referring to fig. 1-7, an embodiment of the present invention provides a technical solution: a sample preparation method for testing the hardness of ceramic pellets specifically comprises the following steps:
step one, adhering a tape: a layer of adhesive tape is laid on the glass, and one side of the adhesive tape is upward;
step two, placing ceramic balls: laying one layer or a plurality of small balls to be detected on the adhesive tape;
step three, lubricating oil coating: after the inner wall of the plastic ring is uniformly coated with lubricating oil, the plastic ring is placed on the adhesive tape, and the small balls are contained in the plastic ring;
step four, preparing cold embedding resin: mixing the cold-inlaid epoxy resin according to an instruction;
step five, pouring resin: pouring resin into the plastic ring, wherein the resin does not pass through the ceramic ball to be detected;
step six, taking down the resin block: after the epoxy resin is cured, taking down the resin block from the plastic ring;
step seven, polishing the resin block: and (5) polishing the resin block by using sand paper to grind the cross section of the ceramic ball.
The sample preparation method comprises the steps of using a glass sheet, an adhesive tape, a ceramic ball to be tested, cold-inlaid resin, a plastic ring, lubricating oil and abrasive paper to match with each other to complete sample preparation, enabling the adhesive surface of the adhesive tape to face upwards to play a role in fixing the ceramic ball, enabling the plastic ring to play a role in containing the resin, smearing the lubricating oil in the plastic ring to play a role in taking down a resin block, and enabling the cold-inlaid resin to play a role in fixing the ceramic ball. According to the sample preparation method, the sample block which has good integral hardness, accords with the test environment of the hardness tester and has a smoother surface to be tested can be obtained, and the hardness test of the ceramic balls with different sizes can be realized through the sample preparation method.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. A sample preparation method for testing the hardness of ceramic pellets is characterized by comprising the following steps: the method specifically comprises the following steps:
step one, laying a layer of adhesive tape on glass, wherein one side of the adhesive tape is upward;
step two, laying one layer or a plurality of small balls to be detected on the adhesive tape;
step three, after the inner wall of the plastic ring is uniformly coated with lubricating oil, the plastic ring is placed on the adhesive tape, and the small balls are all placed in the plastic ring;
step four, mixing the cold-inlaid epoxy resin according to an instruction;
pouring resin into the plastic ring, wherein the resin does not need to submerge the ceramic ball to be detected;
sixthly, taking the resin block down from the plastic ring after the epoxy resin is cured;
and seventhly, polishing the resin block by using sand paper, and grinding the cross section of the ceramic ball.
2. The sample preparation method for testing the hardness of the ceramic pellet as claimed in claim 1, wherein: the glass sheet needs to be flat and free of defects.
3. The sample preparation method for testing the hardness of the ceramic pellet as claimed in claim 1, wherein: the ceramic balls to be tested need to be spread on the adhesive tape.
4. The sample preparation method for testing the hardness of the ceramic pellet as claimed in claim 1, wherein: lubricating oil is required to be uniformly coated on the inner wall of the plastic ring.
5. The sample preparation method for testing the hardness of the ceramic pellet as claimed in claim 1, wherein: the cold setting resin is mixed evenly according to the manufacturer's instructions.
6. The sample preparation method for testing the hardness of the ceramic pellet as claimed in claim 1, wherein: and pouring the resin into the plastic ring, wherein the resin does not need to cover the ceramic ball to be detected, and taking down the resin from the ring after the resin is cured.
7. The sample preparation method for testing the hardness of the ceramic pellet as claimed in claim 1, wherein: the resin block needs to be polished flat by sand paper until the cross section of the ceramic ball appears.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011104724.2A CN112014191A (en) | 2020-10-15 | 2020-10-15 | Sample preparation method for testing hardness of ceramic pellet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011104724.2A CN112014191A (en) | 2020-10-15 | 2020-10-15 | Sample preparation method for testing hardness of ceramic pellet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112014191A true CN112014191A (en) | 2020-12-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011104724.2A Pending CN112014191A (en) | 2020-10-15 | 2020-10-15 | Sample preparation method for testing hardness of ceramic pellet |
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| Country | Link |
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| CN (1) | CN112014191A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103543060A (en) * | 2012-07-09 | 2014-01-29 | 中国石油化工集团公司 | Corrosion sample inlaying method |
| CN105021476A (en) * | 2014-04-21 | 2015-11-04 | 哈尔滨飞机工业集团有限责任公司 | Steel shot hardness detection method |
| CN107132138A (en) * | 2017-03-24 | 2017-09-05 | 北京爱康宜诚医疗器材有限公司 | The mechanic property test method and nano-indenter test block of spherical powder |
-
2020
- 2020-10-15 CN CN202011104724.2A patent/CN112014191A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103543060A (en) * | 2012-07-09 | 2014-01-29 | 中国石油化工集团公司 | Corrosion sample inlaying method |
| CN105021476A (en) * | 2014-04-21 | 2015-11-04 | 哈尔滨飞机工业集团有限责任公司 | Steel shot hardness detection method |
| CN107132138A (en) * | 2017-03-24 | 2017-09-05 | 北京爱康宜诚医疗器材有限公司 | The mechanic property test method and nano-indenter test block of spherical powder |
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Application publication date: 20201201 |