CN108918561A - A kind of three-dimensional rebuilding method of pair of Ni based high-temperature alloy - Google Patents
A kind of three-dimensional rebuilding method of pair of Ni based high-temperature alloy Download PDFInfo
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- CN108918561A CN108918561A CN201810568431.6A CN201810568431A CN108918561A CN 108918561 A CN108918561 A CN 108918561A CN 201810568431 A CN201810568431 A CN 201810568431A CN 108918561 A CN108918561 A CN 108918561A
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Abstract
The present invention relates to three-dimensional reconstruction fields, disclose the three-dimensional rebuilding method of a kind of pair of Ni based high-temperature alloy, include at least following steps：1) sample of one section of Ni based high-temperature alloy is cut；2) section of sample is ground；3) section after grinding is polished twice；4) sample after polishing twice is cleaned；5) EBSD experiment is carried out to sample, obtains experimental data；6) step 2) is repeated in 5) at least five times；7) three-dimensional reconstruction of the sample is realized according to the experimental data that multiple EBSD experiment obtains.The experimental data that EBSD experiment obtains is capable of forming the two-dimensional surface of sample, and the two-dimensional surface of formation is carried out three-dimensional reconstruction by many experiments；The three-dimensional reconstruction body of acquisition is convenient for measuring the performance parameter of sample.
Description
Technical field
The present invention relates to three-dimensional reconstruction field more particularly to the three-dimensional rebuilding methods of a kind of pair of Ni based high-temperature alloy.
Background technique
Electron backscatter diffraction (Electron Backscattered Diffraction abbreviation EBSD) is based on scanning
The microstructure of electron microscope-crystallographic analysis technology is to measure microcell crystal orientation.It starts from the 1980s, being
A new technology based on scanning electron microscope basis.Have both the spy of X-ray diffraction statistical analysis and the micro-zone analysis of TEM electronic diffraction
Point is the supplement that the two is analyzed in crystal structure and crystal orientation.EBSD technology has become research material deformation, replys and tie again
Effective analysis means of brilliant process, the especially application in terms of microcell textile analysis.In EBSD test, scanning electron microscopy
Mirror electron beam is incident on the crystal prototype surface of 70 ° of inclination.Incident beam and sample surfaces atomic collision form an electricity
Sub- emitting source.And some of electronics meet Bragg equation in atomic plane incident angle：N λ=2dsin θ.These electronics occur
Diffraction forms a series of wide-angle conical surfaces occurred in pairs corresponding with each diffraction surfaces.It is imaged on fluorescent screen
When, electronic intensity region forms electron backscatter diffraction style-Kikuchi band style between these pass through the conical surface that signal amplifies.
More stringent requirements are proposed for performance due to the development with rapid changepl. never-ending changes and improvements of science and technology now to material, so in it
Heterogeneous microstructure needs in portion's are better understood.Show most of engineerings or mechanical structure from current various practical experiences
Failure be all due to the understanding to its material property it is insufficient caused by, so starting gradually to recognize original understanding material
The means or technology of performance be it is not mature enough, need to deepen the research to material property on the original basis.In new research
In means, not only to consider how to meet material requested performance, there are also the micro-variations during material damage.And three-dimensional EBSD
It reconstructs as a kind of important technical research means, plays an important role in terms of investigation of materials.
Ni based high-temperature alloy has excellent high temperature strength, good anti-oxidant and hot corrosion resistance, good fatigue
The comprehensive performances such as performance, fracture toughness, thus this material has been widely used in advanced military and civilian aero-engine.
But it should be understood that micro-variations in its various performance and damage process before material selection and use.
Therefore, the three-dimensional rebuilding method of a kind of pair of Ni based high-temperature alloy is needed, to solve the above technical problems.
Summary of the invention
It is an object of the invention to propose the three-dimensional rebuilding method of a kind of pair of Ni based high-temperature alloy, material can be carried out
Three-dimensional reconstruction, to obtain the performance parameter of material.
For this purpose, the present invention uses following technical scheme：
The three-dimensional rebuilding method of a kind of pair of Ni based high-temperature alloy includes at least following steps：
1) sample of one section of Ni based high-temperature alloy is cut；
2) section of sample is ground；
3) section after grinding is polished twice；
4) sample after polishing twice is cleaned；
5) EBSD experiment is carried out to sample, obtains experimental data；
6) step 2) is repeated in 5) at least five times；
7) three-dimensional reconstruction of the sample is realized according to the experimental data that multiple EBSD experiment obtains.
The experimental data that EBSD experiment obtains is capable of forming the two-dimensional surface of sample, and many experiments are by the two dimension of formation
Surface carries out three-dimensional reconstruction；The three-dimensional reconstruction body of acquisition is convenient for measuring the performance parameter of sample.
Preferably, sample is cut using wire cutting machine.
Preferably, it is ground using section of the accurate beveller to sample, grinding duration is not less than ten minutes.
Preferably, it is ground respectively with section of #200, #800, #1200, #1500, #1800, #2000 sand paper to sample
Mill, grinding duration every time is ten minutes.
Preferably, when grinding, the revolving speed of accurate beveller is 100r/min.
Preferably, polishing twice includes first polishing and polishes again；First polishing, is cooperated using pleuche polishing pad and is thrown
Light liquid polishes the section after grinding；It polishes again, using woollen polishing pad cooperation polishing fluid to disconnected after first polishing
Face is polished.
Preferably, the sample after polishing twice is cleaned, including two steps, the first step break to sample using acetone
Face is cleaned；Second step is cleaned using section of the dehydrated alcohol to sample.
Preferably, the Euler that the experimental data that EBSD experiment obtains includes Kikuchi style and surface crystal is carried out to sample
Angle.
Preferably, the first duration for polishing and polishing again is not less than ten minutes.
Preferably, step 2) is repeated in 5) eight times.
Beneficial effects of the present invention are：The experimental data that EBSD experiment obtains is capable of forming the two-dimensional surface of sample,
The two-dimensional surface of formation is carried out three-dimensional reconstruction by many experiments；The three-dimensional reconstruction body of acquisition is convenient for measuring the performance parameter of sample.
Specific embodiment
Technical solution of the present invention will be clearly and completely described below, it is clear that described embodiment is this hair
Bright a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art are not having
Every other embodiment obtained under the premise of creative work is made, shall fall within the protection scope of the present invention.
Present embodiment discloses the three-dimensional rebuilding methods of a kind of pair of Ni based high-temperature alloy, include at least following steps：
1) sample of one section of Ni based high-temperature alloy is cut using wire cutting machine.Two are cut in the section of sample to be mutually perpendicular to
Through slot sample is divided, the depth and width of through slot are 2mm.Sample is divided into four pieces of regions, four pieces of areas by two through slots
The one of region area in domain is larger, and the region is as Experimental Area, and two pieces of areas are medium, and another piece of area is smaller.
2) section of sample is ground, is ground using section of the accurate beveller to sample, accurate beveller
Revolving speed be 100r/min, grinding duration be not less than ten minutes；
It is ground respectively with section of #200, #800, #1200, #1500, #1800, #2000 sand paper to sample, every time
Grinding duration is ten minutes.The degree of roughness of sand paper gradually reduces, and can grind sample surfaces more and more smooth.It is primary real
The thickness that is milled away of grinding sample is tested up to 3 microns.
3) section after grinding is polished twice comprising first to polish and polish again；First polishing, uses gold
The polishing that velvet polishing pad cooperates polishing fluid to be carried out to the section after grinding not less than ten minutes (is preferably very in the present embodiment
Clock)；It polishes again, carries out the polishing not less than ten minutes to the section after first polishing using woollen polishing pad cooperation polishing fluid
(being preferably ten minutes in the present embodiment).It polishes for the first time rougher, polishes again relatively fine, keep specimen surface more smooth clean
Only；Polishing can be such that the crystal grain boundary of specimen surface displays twice, be convenient for EBSD experiment.
4) sample after polishing twice is cleaned, including two steps, the first step, is carried out using section of the acetone to sample
Cleaning；Second step is cleaned using section of the dehydrated alcohol to sample.First step cleaning can clean the wax of specimen surface
Fall, second step cleaning shows the crystal grain boundary of specimen surface.
5) EBSD experiment is carried out to sample, obtains experimental data comprising the Eulerian angles of Kikuchi style and surface crystal.Root
The two-dimensional surface of sample can be obtained according to these experimental datas.When EBSD is tested, in the Experimental Area of sample section, 300 are selected
The region of * 300 microns of micron is scanned；Scanning area is the inside 300 microns of formation of two right-angle sides from Experimental Area
Square area.
6) step 2) is repeated in 5) at least five times (being preferably eight times in the present embodiment).The region of experiment scanning every time
For the same area.The experimental result finally obtained can be made more accurate, the model of three-dimensional reconstruction more has significant practical applications.
7) three-dimensional reconstruction of the sample is realized according to the experimental data that multiple EBSD experiment obtains.
The experimental data that EBSD experiment obtains is capable of forming the two-dimensional surface of sample, and many experiments are by the two dimension of formation
Surface carries out three-dimensional reconstruction；The three-dimensional reconstruction body of acquisition is convenient for measuring the performance parameter of sample.
Note that the above is only a better embodiment of the present invention and the applied technical principle.It will be appreciated by those skilled in the art that
The invention is not limited to the specific embodiments described herein, be able to carry out for a person skilled in the art it is various it is apparent variation,
It readjusts and substitutes without departing from protection scope of the present invention.Therefore, although being carried out by above embodiments to the present invention
It is described in further detail, but the present invention is not limited to the above embodiments only, without departing from the inventive concept, also
It may include more other equivalent embodiments, and the scope of the invention is determined by the scope of the appended claims.
Claims (10)
1. the three-dimensional rebuilding method of a kind of pair of Ni based high-temperature alloy, which is characterized in that it includes at least following steps：
1) sample of one section of Ni based high-temperature alloy is cut；
2) section of sample is ground；
3) section after grinding is polished twice；
4) sample after polishing twice is cleaned；
5) EBSD experiment is carried out to sample, obtains experimental data；
6) step 2) is repeated in 5) at least five times；
7) three-dimensional reconstruction of the sample is realized according to the experimental data that multiple EBSD experiment obtains.
2. the three-dimensional rebuilding method according to claim 1 to Ni based high-temperature alloy, which is characterized in that use wire cutting machine
Cut sample.
3. the three-dimensional rebuilding method according to claim 1 to Ni based high-temperature alloy, which is characterized in that using precisely grinding
Instrument grinds the section of sample, and grinding duration is not less than ten minutes.
4. the three-dimensional rebuilding method according to claim 3 to Ni based high-temperature alloy, which is characterized in that use #200, # respectively
800, #1200, #1500, #1800, #2000 sand paper grind the section of sample, and grinding duration every time is ten minutes.
5. the three-dimensional rebuilding method according to claim 4 to Ni based high-temperature alloy, which is characterized in that when grinding, precisely
The revolving speed of beveller is 100r/min.
6. the three-dimensional rebuilding method according to claim 1 to Ni based high-temperature alloy, which is characterized in that twice polishing include
It is first to polish and polish again；
First polishing polishes the section after grinding using pleuche polishing pad cooperation polishing fluid；
It polishes, the section after first polishing is polished again using woollen polishing pad cooperation polishing fluid.
7. the three-dimensional rebuilding method according to claim 1 to Ni based high-temperature alloy, which is characterized in that after polishing twice
Sample cleaned, including two steps, the first step are cleaned using section of the acetone to sample；Second step uses anhydrous second
Alcohol cleans the section of sample.
8. the three-dimensional rebuilding method according to claim 1 to Ni based high-temperature alloy, which is characterized in that carried out to sample
The experimental data that EBSD experiment obtains includes the Eulerian angles of Kikuchi style and surface crystal.
9. the three-dimensional rebuilding method according to claim 6 to Ni based high-temperature alloy, which is characterized in that first polishing and again
The duration of secondary polishing is not less than ten minutes.
10. the three-dimensional rebuilding method according to claim 1 to Ni based high-temperature alloy, which is characterized in that be repeated in step
It is rapid 2) to 5) eight times.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810568431.6A CN108918561A (en) | 2018-06-05 | 2018-06-05 | A kind of three-dimensional rebuilding method of pair of Ni based high-temperature alloy |
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| CN201810568431.6A CN108918561A (en) | 2018-06-05 | 2018-06-05 | A kind of three-dimensional rebuilding method of pair of Ni based high-temperature alloy |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110118791A (en) * | 2019-05-21 | 2019-08-13 | 山东省分析测试中心 | For obtaining crackle/crystal boundary three-dimensional information EBSD equipment sample platform and method |
| CN112862952A (en) * | 2021-01-29 | 2021-05-28 | 中国工程物理研究院机械制造工艺研究所 | Three-dimensional reconstruction method of alloy type metal material |
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| CN102809500A (en) * | 2012-05-25 | 2012-12-05 | 中国航空工业集团公司北京航空材料研究院 | Method for rapidly preparing Ni-based superalloy electron backscatter diffraction sample |
| CN106404477A (en) * | 2016-08-23 | 2017-02-15 | 中国航空工业集团公司北京航空材料研究院 | Sample preparation method for electron back scattering diffraction analysis of powder superalloy |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102809500A (en) * | 2012-05-25 | 2012-12-05 | 中国航空工业集团公司北京航空材料研究院 | Method for rapidly preparing Ni-based superalloy electron backscatter diffraction sample |
| CN106404477A (en) * | 2016-08-23 | 2017-02-15 | 中国航空工业集团公司北京航空材料研究院 | Sample preparation method for electron back scattering diffraction analysis of powder superalloy |
Non-Patent Citations (1)
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| 杨宝林: "某型粉末合金材料微观组织结构的计算机重构", 《中国优秀硕士学位论文全文数据库 工程科技Ⅰ辑》 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110118791A (en) * | 2019-05-21 | 2019-08-13 | 山东省分析测试中心 | For obtaining crackle/crystal boundary three-dimensional information EBSD equipment sample platform and method |
| CN110118791B (en) * | 2019-05-21 | 2020-03-03 | 山东省分析测试中心 | EBSD equipment sample stage and method for acquiring crack/grain boundary three-dimensional information |
| CN112862952A (en) * | 2021-01-29 | 2021-05-28 | 中国工程物理研究院机械制造工艺研究所 | Three-dimensional reconstruction method of alloy type metal material |
| CN112862952B (en) * | 2021-01-29 | 2022-07-01 | 中国工程物理研究院机械制造工艺研究所 | Three-dimensional reconstruction method of alloy type metal material |
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