CN103014710A - Metallographic corrosive agent for invar welded joint welded by using M93 welding wires and preparation method for metallographic corrosive agent - Google Patents
Metallographic corrosive agent for invar welded joint welded by using M93 welding wires and preparation method for metallographic corrosive agent Download PDFInfo
- Publication number
- CN103014710A CN103014710A CN2013100213107A CN201310021310A CN103014710A CN 103014710 A CN103014710 A CN 103014710A CN 2013100213107 A CN2013100213107 A CN 2013100213107A CN 201310021310 A CN201310021310 A CN 201310021310A CN 103014710 A CN103014710 A CN 103014710A
- Authority
- CN
- China
- Prior art keywords
- welding
- metallographic
- welded joint
- preparation
- corrosive agent
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Investigating And Analyzing Materials By Characteristic Methods (AREA)
Abstract
The invention relates to metallographic chemical corrosive agents and preparation methods thereof, in particular to a metallographic corrosive agent for an invar welded joint welded by using M93 welding wires and a preparation method for the metallographic corrosive agent. The metallographic corrosive agent and the preparation method thereof aim at solving the metallographic problem of the invar welded joint welded by using the M93 welding wires. The metallographic corrosive agent is prepared by mixing HCl solution with the mass concentration of 36-38%, FeCl3 and water. The preparation method includes: A, accurately weighing HCl solution, FeCl3 and water; B, adding the weighed FeCl3 into the water, and stirring until completely dissolving to form a uniform mixture; and C, slowly adding the HCl into the mixture to form the metallographic corrosive agent, namely, preparation of the metallographic corrosive agent for the invar welded joint welded by using the M93 welding wires is finished.
Description
Technical field
The present invention relates to metallographic chemistry etching reagent and preparation method thereof, particularly relate to invar steel welded joint metallographic etching agent of a kind of M93 of use welding wire welding and preparation method thereof.
Background technology
The invar steel belongs to the Precise Alloy of low expansion alloy classification, and its number of applications is large, and value of the product is also higher.It uses very extensive in electron trade, electron tube, transistor integrated circuit and electric capacity etc. all need to use it, in recent years, the invar steel has had new application development as old material, it is applied to the welding manufacturing of composite material mould, and the welding of invar steel adopts the M93 welding wire can guarantee consistence (low thermal coefficient of expansion) and material integrity and the welding melting zone non-cracking (particularly multi-pass welding) of physicals.
In invar steel welding process, the difference of weldprocedure difference and processing and heat treatment technique tends to obtain dissimilar metallographic structures, thereby property of welded joint is difference to some extent also, cause invar steel welded joint quality after the sample corrosion in metallographicobservation low, the microstructure image is unintelligible, untrue, for the metallographic structure that the invar steel welded joint that obtains desired properties must Welded Joints is observed, and the bonding properties test data, in time adjust weldprocedure, complete processing or thermal treatment process.
Summary of the invention
The present invention is that will to solve invar steel welded joint quality after the sample corrosion in metallographicobservation low, unintelligible, the false problem of microstructure image, and invar steel welded joint metallographic etching agent of a kind of M93 of use welding wire welding and preparation method thereof is provided.
The invar steel welded joint metallographic etching agent of a kind of M93 of use welding wire welding is to be 36%～38% HCl solution, 5～10g FeCl by 50～100mL mass concentration
3Be mixed with 50～100mL water.
A kind of invar steel welded joint metallographic etching agent preparation method of the M93 of use welding wire welding realizes according to the following steps:
One, accurately taking by weighing 50～100mL mass concentration is 36%～38% HCl solution, 5～10g FeCl
3With 50～100mL water;
Two, then with the FeCl that takes by weighing
3Be added to the water, be stirred to it and dissolve fully, form uniform mixing solutions;
Three, be that 36%～38% HCl solution adds in the mixing solutions of step 2 preparation slowly with mass concentration, and stir, namely finished the preparation of the invar steel welded joint metallographic etching agent that uses the welding of M93 welding wire.
The invention effect:
The invar steel welded joint metallographic etching agent formulating of recipe of a kind of M93 of use welding wire welding of the present invention rationally, have that corrosion speed is fast, corrosive effect good, the sample microtexture display effect after the corrosion is good, use the invar steel welded joint metallographic etching agent of M93 welding wire welding, can adapt to the needs of quick metallographic examination in enterprise's production.
Embodiment
Embodiment one: the invar steel welded joint metallographic etching agent of a kind of M93 of the use welding wire welding of present embodiment is to be 36%～38% HCl solution, 5～10g FeCl by 50～100mL mass concentration
3Be mixed with 50～100mL water.
Embodiment two: what present embodiment and embodiment one were different is: a kind of invar steel welded joint metallographic etching agent of the M93 of use welding wire welding is to be 36%～38% HCl solution, 6g FeCl by the 60mL mass concentration
3Be mixed with 70mL water.Other step and parameter are identical with embodiment one.
Embodiment three: the invar steel welded joint metallographic etching agent preparation method of a kind of M93 of use welding wire welding of present embodiment realizes according to the following steps:
One, accurately taking by weighing 50～100mL mass concentration is 36%～38% HCl solution, 5～10g FeCl
3With 50～100mL water;
Two, then with the FeCl that takes by weighing
3Be added to the water, be stirred to it and dissolve fully, form uniform mixing solutions;
Three, be that 36%～38% HCl solution adds in the mixing solutions of step 2 preparation slowly with mass concentration, and stir, namely finished the preparation of the invar steel welded joint metallographic etching agent that uses the welding of M93 welding wire.
Use above embodiment when needs corrode, only need polished metallographic specimen check face immersed in this chemical mordant or with this chemical mordant wiping test check face, become gloomy getting final product to test check face gloss, the time is about 1～5 minute, 20 ℃ of corrosion temperatures.
The present embodiment effect:
The invar steel welded joint metallographic etching agent formulating of recipe of a kind of M93 of the use welding wire welding of present embodiment rationally, have that corrosion speed is fast, corrosive effect good, the sample microtexture display effect after the corrosion is good, use the invar steel welded joint metallographic etching agent of M93 welding wire welding, can adapt to the needs of quick metallographic examination in enterprise's production.
By following verification experimental verification beneficial effect of the present invention:
Test 1:
The invar steel welded joint metallographic etching agent of a kind of M93 of use welding wire welding of this test is by the HCl solution, the 5g FeCl that are 36.5% by the 50mL mass concentration
3Be mixed with 50mL water.
Preparation process is:
One, accurately taking by weighing the 50mL mass concentration is 36.5% HCl solution, 5g FeCl
3With 50mL water;
Two, then with the FeCl that takes by weighing
3Be added to the water, be stirred to it and dissolve fully, form uniform mixing solutions;
Three, be that 36.5% HCl solution adds above-mentioned mixing solutions slowly with mass concentration, and stir, form metallographic etching agent, namely finished the preparation of the invar steel welded joint metallographic etching agent that uses the welding of M93 welding wire.
The etching pit test:
One, metallographic specimen is roughly ground, fine grinding, polishing, is cleaned, dries up according to ordinary method;
Two, polished metallographic specimen check face is immersed in this chemical mordant or with this chemical mordant wiping metallographic specimen check face, become gloomy getting final product to metallographic specimen check face gloss, the time is 4 minutes, 20 ℃ of corrosion temperatures;
The sample that three, will corrode washes under water tap, dries up with 95% alcohol wash again.
This test-results is as follows:
Welded sample after corrosion can show the welding joint microstructure clearly, for example: the boundary line in the welded bonds between weld seam and the mother metal, the weld seam between the different welding beads and the distribution of dendritic situation of weld seam.
Through using proof, the chemical mordant of the invar steel welded joint metallographic structure for using the welding of M93 welding wire of the present invention have good corrosive effect and corrosion speed fast, stable, metallographic examination for the invar steel welded joint that uses the welding of M93 welding wire has high application value, can adapt to the needs of quick metallographic examination in enterprise's production.
Test 2:
The invar steel welded joint metallographic etching agent of a kind of M93 of use welding wire welding of this test is to be 36.5%HCl solution, 6g FeCl by the 60mL mass concentration
3Be mixed with 70mL water.
Preparation process is:
One, accurately taking by weighing the 60mL mass concentration is 36.5% HCl solution, 6g FeCl
3With 70mL water;
Two, then with the FeCl that takes by weighing
3Be added to the water, be stirred to it and dissolve fully, form uniform mixing solutions;
Three, be that 36.5% HCl solution adds above-mentioned mixing solutions slowly with mass concentration, and stir, form metallographic etching agent, namely finished the preparation of the invar steel welded joint metallographic etching agent that uses the welding of M93 welding wire.
The etching pit test:
One, metallographic specimen is roughly ground, fine grinding, polishing, is cleaned, dries up according to ordinary method;
Two, polished metallographic specimen check face is immersed in this chemical mordant or with this chemical mordant wiping metallographic specimen check face, become gloomy getting final product to metallographic specimen check face gloss, the time is 3 minutes, 20 ℃ of corrosion temperatures;
The sample that three, will corrode washes under water tap, dries up with 95% alcohol wash again.
This test-results is as follows:
Welded sample after corrosion can show the welding joint microstructure clearly, for example: the boundary line in the welded bonds between weld seam and the mother metal, the weld seam between the different welding beads and the distribution of dendritic situation of weld seam.
Through using proof, the chemical mordant of the invar steel welded joint metallographic structure for using the welding of M93 welding wire of the present invention have good corrosive effect and corrosion speed fast, stable, metallographic examination for the invar steel welded joint that uses the welding of M93 welding wire has high application value, can adapt to the needs of quick metallographic examination in enterprise's production.
Test 3:
The invar steel welded joint metallographic etching agent of a kind of M93 of use welding wire welding of this test is by the HCl solution, the 9g FeCl that are 36.5% by the 90mL mass concentration
3Be mixed with 100mL water.
Preparation process is:
One, accurately taking by weighing the 90mL mass concentration is 36.5% HCl solution, 9g FeCl
3With 100mL water;
Two, then with the FeCl that takes by weighing
3Be added to the water, be stirred to it and dissolve fully, form uniform mixing solutions;
Three, be that 36.5% HCl solution adds above-mentioned mixing solutions slowly with mass concentration, and stir, form metallographic etching agent, namely finished the preparation of the invar steel welded joint metallographic etching agent that uses the welding of M93 welding wire.
The etching pit test:
One, metallographic specimen is roughly ground, fine grinding, polishing, is cleaned, dries up according to ordinary method;
Two, polished metallographic specimen check face is immersed in this chemical mordant or with this chemical mordant wiping metallographic specimen check face, become gloomy getting final product to metallographic specimen check face gloss, the time is 3 minutes, 20 ℃ of corrosion temperatures;
The sample that three, will corrode washes under water tap, dries up with 95% alcohol wash again.
This test-results is as follows:
Welded sample after corrosion can show the welding joint microstructure clearly, for example: the boundary line in the welded bonds between weld seam and the mother metal, the weld seam between the different welding beads and the distribution of dendritic situation of weld seam.
Through using proof, the chemical mordant of the invar steel welded joint metallographic structure for using the welding of M93 welding wire of the present invention have good corrosive effect and corrosion speed fast, stable, metallographic examination for the invar steel welded joint that uses the welding of M93 welding wire has high application value, can adapt to the needs of quick metallographic examination in enterprise's production.
Claims (3)
1. invar steel welded joint metallographic etching agent that uses M93 welding wire welding, the invar steel welded joint metallographic etching agent that it is characterized in that using the welding of M93 welding wire are to be 36%～38% HCl solution, 5～10g FeCl by 50～100mL mass concentration
3Be mixed with 50～100mL water.
2. a kind of invar steel welded joint metallographic etching agent that uses M93 welding wire welding according to claim 1, the invar steel welded joint metallographic etching agent that it is characterized in that using the welding of M93 welding wire are to be 36%～38% HCl solution, 6g FeCl by the 60mL mass concentration
3Be mixed with 70mL water.
3. a kind of invar steel welded joint metallographic etching agent preparation method who uses M93 welding wire welding as claimed in claim 1 or 2 is characterized in that using the invar steel welded joint metallographic etching agent preparation method of M93 welding wire welding to realize according to the following steps:
One, accurately taking by weighing 50～100mL mass concentration is 36%～38% HCl solution, 5～10g FeCl
3With 50～100mL water;
Two, then with the FeCl that takes by weighing
3Be added to the water, be stirred to it and dissolve fully, form uniform mixing solutions;
Three, be that 36%～38% HCl solution adds in the mixing solutions of step 2 preparation slowly with mass concentration, and stir, namely finished the preparation of the invar steel welded joint metallographic etching agent that uses the welding of M93 welding wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013100213107A CN103014710A (en) | 2013-01-21 | 2013-01-21 | Metallographic corrosive agent for invar welded joint welded by using M93 welding wires and preparation method for metallographic corrosive agent |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013100213107A CN103014710A (en) | 2013-01-21 | 2013-01-21 | Metallographic corrosive agent for invar welded joint welded by using M93 welding wires and preparation method for metallographic corrosive agent |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103014710A true CN103014710A (en) | 2013-04-03 |
Family
ID=47963815
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013100213107A Pending CN103014710A (en) | 2013-01-21 | 2013-01-21 | Metallographic corrosive agent for invar welded joint welded by using M93 welding wires and preparation method for metallographic corrosive agent |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103014710A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104359743A (en) * | 2014-11-18 | 2015-02-18 | 天津理工大学 | Special solution for corrosion of metallographic phase of high-Cr ferritic heat-resistant steel, as well as preparation method of solution |
| CN105486567A (en) * | 2015-11-24 | 2016-04-13 | 太原理工大学 | Chemical erosion agent for displaying macrostructure of expansion alloy, and erosion method thereof |
| CN107747095A (en) * | 2017-10-17 | 2018-03-02 | 中国华能集团公司 | A kind of ni-fe-based alloy weld joint samples metallographic etching agent and application method |
| CN107904599A (en) * | 2017-10-25 | 2018-04-13 | 江苏省沙钢钢铁研究院有限公司 | A kind of IF steel metallographic etching agent |
| CN108004548A (en) * | 2017-12-06 | 2018-05-08 | 国网山东省电力公司电力科学研究院 | HR3C steel microscopic structures corrosion liquid making method and application after being on active service 50,000 hours |
| CN108004546A (en) * | 2017-12-18 | 2018-05-08 | 金川集团股份有限公司 | A kind of expansion alloy metallographic etchant |
| CN109307654A (en) * | 2018-11-05 | 2019-02-05 | 中国航发航空科技股份有限公司 | A kind of method of quick detection welding heat affected zone |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06116758A (en) * | 1992-10-02 | 1994-04-26 | Asahi Denka Kogyo Kk | Method for etching metal |
| JPH093663A (en) * | 1995-06-15 | 1997-01-07 | Sky Alum Co Ltd | Treatment of substrate for coating fluororesin |
| CN101760742A (en) * | 2009-12-31 | 2010-06-30 | 西安热工研究院有限公司 | Austenitic steel deformation layer and preparation and application method of etchant displayed in matrix structure |
| CN101798686A (en) * | 2010-03-17 | 2010-08-11 | 沪东中华造船(集团)有限公司 | Chemical etching agent for displaying metallurgical structure of INVAR steel and soldered joints thereof and preparation method thereof |
-
2013
- 2013-01-21 CN CN2013100213107A patent/CN103014710A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06116758A (en) * | 1992-10-02 | 1994-04-26 | Asahi Denka Kogyo Kk | Method for etching metal |
| JPH093663A (en) * | 1995-06-15 | 1997-01-07 | Sky Alum Co Ltd | Treatment of substrate for coating fluororesin |
| CN101760742A (en) * | 2009-12-31 | 2010-06-30 | 西安热工研究院有限公司 | Austenitic steel deformation layer and preparation and application method of etchant displayed in matrix structure |
| CN101798686A (en) * | 2010-03-17 | 2010-08-11 | 沪东中华造船(集团)有限公司 | Chemical etching agent for displaying metallurgical structure of INVAR steel and soldered joints thereof and preparation method thereof |
Non-Patent Citations (2)
| Title |
|---|
| 《高温合金金相图谱》编写组: "《高温合金金相图谱》", 28 February 1979, 冶金工业出版社 * |
| 方啸虎: "《超硬材料科学与技术（下卷）》", 30 April 1998, 中国建材工业出版社 * |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104359743A (en) * | 2014-11-18 | 2015-02-18 | 天津理工大学 | Special solution for corrosion of metallographic phase of high-Cr ferritic heat-resistant steel, as well as preparation method of solution |
| CN105486567A (en) * | 2015-11-24 | 2016-04-13 | 太原理工大学 | Chemical erosion agent for displaying macrostructure of expansion alloy, and erosion method thereof |
| CN107747095A (en) * | 2017-10-17 | 2018-03-02 | 中国华能集团公司 | A kind of ni-fe-based alloy weld joint samples metallographic etching agent and application method |
| CN107747095B (en) * | 2017-10-17 | 2019-11-22 | 中国华能集团公司 | A kind of ni-fe-based alloy weld joint samples metallographic etching agent and application method |
| CN107904599A (en) * | 2017-10-25 | 2018-04-13 | 江苏省沙钢钢铁研究院有限公司 | A kind of IF steel metallographic etching agent |
| CN108004548A (en) * | 2017-12-06 | 2018-05-08 | 国网山东省电力公司电力科学研究院 | HR3C steel microscopic structures corrosion liquid making method and application after being on active service 50,000 hours |
| CN108004548B (en) * | 2017-12-06 | 2020-02-21 | 国网山东省电力公司电力科学研究院 | Preparation method and application of HR3C steel microstructure corrosive liquid after being in service for 5 ten thousand hours |
| CN108004546A (en) * | 2017-12-18 | 2018-05-08 | 金川集团股份有限公司 | A kind of expansion alloy metallographic etchant |
| CN109307654A (en) * | 2018-11-05 | 2019-02-05 | 中国航发航空科技股份有限公司 | A kind of method of quick detection welding heat affected zone |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103014710A (en) | Metallographic corrosive agent for invar welded joint welded by using M93 welding wires and preparation method for metallographic corrosive agent | |
| CN106498399B (en) | A kind of fine aluminium grain size corrosive agent and preparation method thereof corrodes process for show | |
| CN104562012A (en) | Iron-base high-temperature alloy sample metallographic etching solution and etching method | |
| TW201329003A (en) | Methods of improving strength of glass articles | |
| CN103792128A (en) | Method for displaying two-phase grain boundary of duplex stainless steel | |
| CN103344532A (en) | Rapid metallographic determination method for grain size of GCr15 steel bearing assembly | |
| CN104233301B (en) | Metallographic etchant used for HR-2 antihydrogen steel, and preparation method and corrosion method of metallographic etchant | |
| CN105603429A (en) | Metallographic corrosive liquid used for 304L stainless steel and preparation method and corroding method thereof | |
| CN105002498A (en) | GH625 high-temperature alloy metallographic etchant and preparation and application method thereof | |
| CN103759993B (en) | Metallographic specimen preparation method | |
| CN104120470B (en) | Steel and iron parts or zinc alloy diecasting are without the cyanogen pre-leaching copper method of monovalence copper | |
| CN103451634A (en) | Method for chemical nickel plating on surface of micron silicon carbide powder | |
| CN105588747A (en) | Metallographic test corrodent for TB8 titanium alloy material and corrosion method thereof | |
| CN105177579A (en) | Method for corrosion of Ni-Mn-Si-Cr alloy | |
| CN104593774B (en) | A kind of magnesium alloy metallographic structure observational technique | |
| CN105738184B (en) | The application method for the etchant that manganese steel austenite grain boundary is shown | |
| CN104384737B (en) | The liquid-solid method of attachment of a kind of copper tungsten pseudoalloy and stainless steel abnormal member | |
| CN105543937B (en) | A kind of stainless steel cooker electrolytic passivation liquid and its passivation process | |
| CN105234547A (en) | Connecting technology for metals without solid solubility | |
| CN104032343A (en) | Novel electroplating pre-treatment technology for titanium and titanium alloy | |
| CN113416956A (en) | Low-carbon steel grain boundary corrosive agent and preparation method and application method thereof | |
| CN105628474B (en) | Preparation method, sample, reagent and the preparation method of aluminum steel composite material grain structure | |
| Lyubimova et al. | Structure and constitution of glass and steel compound in glass-metal composite | |
| CN105424451A (en) | Corrosive agent of high-carbon steel continuous casting billet dendritic structure and display method | |
| CN106148962A (en) | The treatment fluid of a kind of stainless steel surface nano hole and application process thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20130403 |