CN106932257A - A kind of uranium zircaloy metallographic engraving method - Google Patents
A kind of uranium zircaloy metallographic engraving method Download PDFInfo
- Publication number
- CN106932257A CN106932257A CN201511020824.6A CN201511020824A CN106932257A CN 106932257 A CN106932257 A CN 106932257A CN 201511020824 A CN201511020824 A CN 201511020824A CN 106932257 A CN106932257 A CN 106932257A
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- CN
- China
- Prior art keywords
- metallographic
- ground
- uranium zircaloy
- uranium
- electrolytic etching
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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
- 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
-
- 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)
- ing And Chemical Polishing (AREA)
- Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
Abstract
The invention belongs to uranium zircaloy etching pit technical field, and in particular to a kind of uranium zircaloy metallographic engraving method.Comprise the following steps：Cut uranium zircaloy；Polished step by step with 180#, 400#, 800#, 1500#, 2000#, 3000# metallographic waterproof abrasive paper, preceding one polishing scratch is removed in per pass polishing, grinds 1~10min of time；Mechanically polished by lubricant of water；With 1%~50% phosphate aqueous solution electrolytic etching, electrolytic etching voltage is 2~5V, and the time is 2~10S.The present invention carries out electrolytic etching by the mechanical abrasion to uranium zircaloy sample, mechanical polishing with phosphate aqueous solution etching solution, has prepared the tissue metallographic sample for being available for metallographic observation.The electrolytic etching formula of liquid of offer is simple, and alloy structure display effect is good, can avoid using injury and potential safety hazard of the high oxidative chromic anhybride to human body.
Description
Technical field
The invention belongs to uranium zircaloy etching pit technical field, and in particular to a kind of uranium zircaloy metallographic etching
Method.
Background technology
The internal organizational structure of metal material decides the performance of material, and metallographic is then to carry out material internal group
Knit the effective method the most direct of structural research.The observation of metallographic structure is needed the inside group of metal material
Knit to etch.The metallographic engraving method of uranium zircaloy, using chromic anhybride and excitant containing high oxidative
The corrosive liquid of glacial acetic acid is put into, environmental pollution and human injury can be caused, there is great potential safety hazard；Adopt
With containing high oxidative, corrosive sulfuric acid and nitric acid corrosive liquid, success rate is relatively low, and tissue display effect is not
Good, corrosive effect is undesirable.
The content of the invention
It is an object of the invention to provide a kind of uranium zircaloy metallographic engraving method, to improve the gold of uranium zircaloy
Phase constitution display effect, reduces the potential safety hazard of metallographic structure electrolyte.
To reach above-mentioned purpose, the technical solution used in the present invention is：
A kind of uranium zircaloy metallographic engraving method, comprises the following steps：Cut uranium zircaloy；With 180#, 400#,
800#, 1500#, 2000#, 3000# metallographic waterproof abrasive paper are polished step by step, and preceding one polishing scratch is removed in per pass polishing,
Grind 1~10min of time；Mechanically polished by lubricant of water；With 1%~50% phosphate aqueous solution electrolytic etching,
Electrolytic etching voltage is 2~5V, and the time is 2~10S.
Described uranium zircaloy size is 15mm × 15mm × 10mm.
Polishing process is as follows step by step：With water as lubricant, need the surface observed thick with 180# uranium zircaloy
Sand paper grinds, and grinds time 1min；3min is ground with 400# waterproof abrasive papers；3min is ground with 800# waterproof abrasive papers；
5min is ground with 1500# waterproof abrasive papers；5min is ground with 2000# waterproof abrasive papers；5min is ground with 3000# waterproof abrasive papers.
Mechanically polished with 1.0 μm of diamond pastes.
Mechanical polishing polishing machine rotating speed is 400~500r/min, mechanically polishes 3~10min of the time.
The phosphate aqueous solution of electrolytic etching preferably 5% is etching solution, and electrolytic etching voltage is 3V, time 3S.
Having the beneficial effect that acquired by the present invention：
The present invention uses phosphate aqueous solution etching solution by the mechanical abrasion to uranium zircaloy sample, mechanical polishing
Electrolytic etching is carried out, the tissue metallographic sample for being available for metallographic observation has been prepared.The electrolytic etching liquid of offer is matched somebody with somebody
Side is simple, and alloy structure display effect is good, can avoid using high oxidative chromic anhybride to the injury of human body and
Potential safety hazard.
Specific embodiment
With reference to specific embodiment, the present invention is described in detail.
Uranium zircaloy metallographic engraving method of the present invention is comprised the following steps：
15mm × 15mm × 10mm uranium zircaloys are cut, in cutting process, with enough coolants, is kept away
Exempt from tissue because overheat changes.180#, 400#, 800#, 1500#, 2000#, 3000# metallographic waterproof abrasive paper,
With water as lubricant, polish step by step, preceding one polishing scratch is removed in per pass polishing, grinds 1~10min of time.With
Water is lubricant, and the surface that sample needs observation is ground with 180# coarse sandpapers, grinds time 1min；Use 400#
Waterproof abrasive paper grinds 3min；3min is ground with 800# waterproof abrasive papers；5min is ground with 1500# waterproof abrasive papers；Use 2000#
Waterproof abrasive paper grinds 5min；5min is ground with 3000# waterproof abrasive papers.Mechanically polished with 1.0 μm of diamond pastes,
With water as lubricant, polishing machine rotating speed is 400~500r/min, mechanically polishes 3~10min of the time.Electrolysis
Etching：1%~50% phosphate aqueous solution, electrolytic etching voltage is 2~5V, and the time is 2~10S；It is preferred that 5%
Phosphate aqueous solution be etching solution, electrolytic etching voltage be 3V, time 3S.
Claims (6)
1. a kind of uranium zircaloy metallographic engraving method, it is characterised in that：Comprise the following steps：Cut the conjunction of uranium zirconium
Gold；Polished step by step with 180#, 400#, 800#, 1500#, 2000#, 3000# metallographic waterproof abrasive paper, per pass is beaten
Preceding one polishing scratch is ground off, 1~10min of time is ground；Mechanically polished by lubricant of water；With 1%~50%
Phosphate aqueous solution electrolytic etching, electrolytic etching voltage is 2~5V, and the time is 2~10S.
2. uranium zircaloy metallographic engraving method according to claim 1, it is characterised in that：Described uranium
Zircaloy size is 15mm × 15mm × 10mm.
3. uranium zircaloy metallographic engraving method according to claim 1, it is characterised in that：Polish step by step
Method is as follows：With water as lubricant, the surface that uranium zircaloy needs observation is ground with 180# coarse sandpapers, ground
Time 1min processed；3min is ground with 400# waterproof abrasive papers；3min is ground with 800# waterproof abrasive papers；Use 1500# water
Sand paper grinds 5min；5min is ground with 2000# waterproof abrasive papers；5min is ground with 3000# waterproof abrasive papers.
4. uranium zircaloy metallographic engraving method according to claim 1, it is characterised in that：With 1.0 μm
Diamond paste is mechanically polished.
5. uranium zircaloy metallographic engraving method according to claim 1, it is characterised in that：Mechanical polishing
It is 400~500r/min with polishing machine rotating speed, mechanically polishes 3~10min of the time.
6. uranium zircaloy metallographic engraving method according to claim 1, it is characterised in that：Electrolytic etching
It is preferred that 5% phosphate aqueous solution is etching solution, electrolytic etching voltage is 3V, time 3S.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511020824.6A CN106932257A (en) | 2015-12-30 | 2015-12-30 | A kind of uranium zircaloy metallographic engraving method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511020824.6A CN106932257A (en) | 2015-12-30 | 2015-12-30 | A kind of uranium zircaloy metallographic engraving method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106932257A true CN106932257A (en) | 2017-07-07 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201511020824.6A Pending CN106932257A (en) | 2015-12-30 | 2015-12-30 | A kind of uranium zircaloy metallographic engraving method |
Country Status (1)
| Country | Link |
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| CN (1) | CN106932257A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109234790A (en) * | 2018-09-29 | 2019-01-18 | 中国工程物理研究院材料研究所 | A kind of electrochemical polishing method of metallic uranium |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101692026A (en) * | 2009-10-14 | 2010-04-07 | 承德建龙特殊钢有限公司 | Process method for manufacturing metallographic specimen |
| CN102323288A (en) * | 2011-05-24 | 2012-01-18 | 重庆大学 | Measurement method of phase transition point of zirconium alloy |
| CN102998162A (en) * | 2012-12-13 | 2013-03-27 | 中建安装工程有限公司 | Preparation method for metallographic sample of zirconium and zirconium alloy microstructures |
-
2015
- 2015-12-30 CN CN201511020824.6A patent/CN106932257A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101692026A (en) * | 2009-10-14 | 2010-04-07 | 承德建龙特殊钢有限公司 | Process method for manufacturing metallographic specimen |
| CN102323288A (en) * | 2011-05-24 | 2012-01-18 | 重庆大学 | Measurement method of phase transition point of zirconium alloy |
| CN102998162A (en) * | 2012-12-13 | 2013-03-27 | 中建安装工程有限公司 | Preparation method for metallographic sample of zirconium and zirconium alloy microstructures |
Non-Patent Citations (3)
| Title |
|---|
| 蒋春丽 等: "铀铌合金中夹杂物研究", 《稀有金属材料与工程》 * |
| 谢国强 等: "淬火U0.77Zr0.23合金组织结构研究", 《原子能科学技术》 * |
| 谢国强: "U-10Zr合金的金相组织与物相分析", 《中国原子能科学研究院年报》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109234790A (en) * | 2018-09-29 | 2019-01-18 | 中国工程物理研究院材料研究所 | A kind of electrochemical polishing method of metallic uranium |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| RJ01 | Rejection of invention patent application after publication | ||
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Application publication date: 20170707 |