CN105319087A - Preparation method of 60Si2CrVAT spring steel EBSD sample - Google Patents
Preparation method of 60Si2CrVAT spring steel EBSD sample Download PDFInfo
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- CN105319087A CN105319087A CN201410252052.8A CN201410252052A CN105319087A CN 105319087 A CN105319087 A CN 105319087A CN 201410252052 A CN201410252052 A CN 201410252052A CN 105319087 A CN105319087 A CN 105319087A
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Abstract
The invention discloses a preparation method of a 60Si2CrVAT spring steel EBSD sample. The preparation method includes the steps of: (1) cutting the spring steel into a metallographic test sample being 2-3 mm in thickness; (2) embedding and grinding the sample, and finally polishing the sample until the sample has a bright and smooth surface and is free of scratches; (3) protecting the embedded sample and taking the sample out form the embedding block for electrolytic polishing; and (4) performing the electrolytic polishing in a prepared electrolytic solution with a copper piece as a negative pole and the to-be-corroded sample as a positive pole, wherein the electrolytic solution is a 6% perchloric acid alcohol solution, the electrolytic voltage is 30 V, the electrolytic current is about 1 A, the electrolytic temperature is 20 DEG C and the corrosion time is 10 s.
Description
Technical field
The present invention relates to a kind of preparation method of 60Si2CrVAT spring steel EBSD sample.
Background technology
Titanium alloy has that intensity is high and density is little, good mechanical property, toughness and etch resistant properties fine.In addition, the shop characteristic of titanium alloy is poor, cut difficulty, in hot-working, is very easy to absorb the impurity such as hydrogen-oxygen nitrogen carbon.Also have resistance to abrasion poor, complex manufacturing.The suitability for industrialized production of titanium starts for 1948.The needs of Aviation Industry, make Ti industry with every year on average about 8% growth rate development.World's titanic alloy machining material annual production has reached more than 40,000 tons, nearly 30 kinds of the titanium alloy trade mark.
Titanium alloy is mainly used in making aircraft engine compressor part, is secondly the structural member of rocket, guided missile and high-speed aircraft.The mid-1960s, titanium and titanium alloys is applied in general industry, for making the electrode of electrolytic industry, the condenser of power house, the well heater of petroleum refining and desalinization and environment pollution control device etc.Titanium and titanium alloys has become a kind of corrosion resistance structure material.
Summary of the invention
The technical problem to be solved in the present invention is: the preparation method providing a kind of 60Si2CrVAT spring steel EBSD sample, solves the deficiencies in the prior art.
Technical scheme of the present invention is: a kind of preparation method of 60Si2CrVAT spring steel EBSD sample; being cut into thickness with Linear cut is the metallographic specimen that 2-3mm is thick; then through edge sample; grind; last polishing; require any surface finish smooth no marking, take out from mosaic block, for electropolishing after then the sample protection inlayed is good.
Electropolishing: with copper sheet as negative electrode, treat that corrosion sample makes anode, put into the electrolytic solution prepared and carry out electropolishing.
Electrolytic solution: the perchloric acid alcoholic solution of 6%, decomposition voltage: 30V, Faradaic current: about 1A, electrolysis temperature is 20 DEG C, etching time 10s.
Beneficial effect of the present invention: the EBSD sample prepared by this method, can obtain result more accurately, overcome the error of thinking that other nonstandard preparation methods bring, this also provides the foundation for follow-up test.
Embodiment
A preparation method for 60Si2CrVAT spring steel EBSD sample, being cut into thickness with Linear cut is the metallographic specimen that 2-3mm is thick, then through edge sample; grind, last polishing, require the smooth no marking of any surface finish; then take out from mosaic block, for electropolishing after the sample protection inlayed is good.
Wherein electropolishing: with copper sheet as negative electrode, treat that corrosion sample makes anode, put into the electrolytic solution prepared and carry out electropolishing.
Wherein electrolytic solution: the perchloric acid alcoholic solution of 6%, decomposition voltage: 30V, Faradaic current: about 1A, electrolysis temperature is 20 DEG C, etching time 10s.
Claims (3)
1. the preparation method of a 60Si2CrVAT spring steel EBSD sample; it is characterized in that: being cut into thickness with Linear cut is the metallographic specimen that 2-3mm is thick; then through edge sample; grind; last polishing; require any surface finish smooth no marking, take out from mosaic block, for electropolishing after then the sample protection inlayed is good.
2. the preparation method of a kind of 60Si2CrVAT spring steel EBSD sample according to claim 1, is characterized in that: electropolishing: with copper sheet as negative electrode, treat that corrosion sample makes anode, put into the electrolytic solution prepared and carry out electropolishing.
3. the preparation method of a kind of 60Si2CrVAT spring steel EBSD sample according to claim 2, it is characterized in that: electrolytic solution: the perchloric acid alcoholic solution of 6%, decomposition voltage: 30V, Faradaic current: about 1A, electrolysis temperature is 20 DEG C, etching time 10s.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410252052.8A CN105319087A (en) | 2014-06-09 | 2014-06-09 | Preparation method of 60Si2CrVAT spring steel EBSD sample |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201410252052.8A CN105319087A (en) | 2014-06-09 | 2014-06-09 | Preparation method of 60Si2CrVAT spring steel EBSD sample |
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| CN105319087A true CN105319087A (en) | 2016-02-10 |
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| CN201410252052.8A Pending CN105319087A (en) | 2014-06-09 | 2014-06-09 | Preparation method of 60Si2CrVAT spring steel EBSD sample |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107063797A (en) * | 2017-04-18 | 2017-08-18 | 西北工业大学 | A kind of EBSD preparation method of sample of alloy thin band thickness x cross sectional |
| CN107860637A (en) * | 2017-11-09 | 2018-03-30 | 中国航发贵州黎阳航空动力有限公司 | A kind of preparation method of spring-like part metallographic specimen |
| CN109187151A (en) * | 2018-08-22 | 2019-01-11 | 内蒙古第机械集团股份有限公司 | A kind of corrosive agent showing spring steel prior austenite grain size |
| WO2020186892A1 (en) * | 2019-03-18 | 2020-09-24 | 中国科学院金属研究所 | Method for preparing ultra-low-temperature weak current control metal material ebsd sample |
| CN111735836A (en) * | 2020-06-29 | 2020-10-02 | 中国科学院金属研究所 | Preparation method of ultra-pure high-chromium ferrite stainless steel EBSD sample |
-
2014
- 2014-06-09 CN CN201410252052.8A patent/CN105319087A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107063797A (en) * | 2017-04-18 | 2017-08-18 | 西北工业大学 | A kind of EBSD preparation method of sample of alloy thin band thickness x cross sectional |
| CN107860637A (en) * | 2017-11-09 | 2018-03-30 | 中国航发贵州黎阳航空动力有限公司 | A kind of preparation method of spring-like part metallographic specimen |
| CN109187151A (en) * | 2018-08-22 | 2019-01-11 | 内蒙古第机械集团股份有限公司 | A kind of corrosive agent showing spring steel prior austenite grain size |
| WO2020186892A1 (en) * | 2019-03-18 | 2020-09-24 | 中国科学院金属研究所 | Method for preparing ultra-low-temperature weak current control metal material ebsd sample |
| CN111735836A (en) * | 2020-06-29 | 2020-10-02 | 中国科学院金属研究所 | Preparation method of ultra-pure high-chromium ferrite stainless steel EBSD sample |
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Application publication date: 20160210 |
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| WD01 | Invention patent application deemed withdrawn after publication |