CN106967981A - A kind of color method of iron-based zinc coat or zinc coat colour metallograpy - Google Patents
A kind of color method of iron-based zinc coat or zinc coat colour metallograpy Download PDFInfo
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- CN106967981A CN106967981A CN201710168632.2A CN201710168632A CN106967981A CN 106967981 A CN106967981 A CN 106967981A CN 201710168632 A CN201710168632 A CN 201710168632A CN 106967981 A CN106967981 A CN 106967981A
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- iron
- polishing
- zinc coat
- sample
- color method
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 title claims abstract description 110
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 title claims abstract description 69
- 229910052725 zinc Inorganic materials 0.000 title claims abstract description 69
- 239000011701 zinc Substances 0.000 title claims abstract description 69
- 229910052742 iron Inorganic materials 0.000 title claims abstract description 55
- 238000000034 method Methods 0.000 title claims abstract description 35
- 238000005498 polishing Methods 0.000 claims abstract description 63
- 238000004040 coloring Methods 0.000 claims abstract description 31
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 32
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 30
- 238000007747 plating Methods 0.000 claims description 22
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 claims description 13
- 229910017604 nitric acid Inorganic materials 0.000 claims description 13
- 239000012153 distilled water Substances 0.000 claims description 12
- 238000005530 etching Methods 0.000 claims description 12
- 235000019441 ethanol Nutrition 0.000 claims description 12
- 239000004744 fabric Substances 0.000 claims description 12
- 238000005246 galvanizing Methods 0.000 claims description 12
- 230000008569 process Effects 0.000 claims description 11
- 235000015393 sodium molybdate Nutrition 0.000 claims description 10
- 239000007788 liquid Substances 0.000 claims description 8
- LNOPIUAQISRISI-UHFFFAOYSA-N n'-hydroxy-2-propan-2-ylsulfonylethanimidamide Chemical compound CC(C)S(=O)(=O)CC(N)=NO LNOPIUAQISRISI-UHFFFAOYSA-N 0.000 claims description 8
- 244000137852 Petrea volubilis Species 0.000 claims description 6
- 238000004140 cleaning Methods 0.000 claims description 6
- 239000006071 cream Substances 0.000 claims description 6
- 229910003460 diamond Inorganic materials 0.000 claims description 6
- 239000010432 diamond Substances 0.000 claims description 6
- 238000007517 polishing process Methods 0.000 claims description 6
- 239000011684 sodium molybdate Substances 0.000 claims description 6
- TVXXNOYZHKPKGW-UHFFFAOYSA-N sodium molybdate (anhydrous) Chemical compound [Na+].[Na+].[O-][Mo]([O-])(=O)=O TVXXNOYZHKPKGW-UHFFFAOYSA-N 0.000 claims description 6
- 238000000227 grinding Methods 0.000 claims description 5
- 229910000831 Steel Inorganic materials 0.000 claims description 4
- 125000005909 ethyl alcohol group Chemical group 0.000 claims description 4
- 239000010959 steel Substances 0.000 claims description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 2
- 229910052799 carbon Inorganic materials 0.000 claims description 2
- 238000011010 flushing procedure Methods 0.000 claims 1
- 239000013078 crystal Substances 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 4
- 238000005516 engineering process Methods 0.000 abstract description 4
- 238000009826 distribution Methods 0.000 abstract description 3
- 238000002360 preparation method Methods 0.000 abstract description 2
- 239000003795 chemical substances by application Substances 0.000 description 4
- 239000011248 coating agent Substances 0.000 description 4
- 238000000576 coating method Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- IIACRCGMVDHOTQ-UHFFFAOYSA-N sulfamic acid group Chemical class S(N)(O)(=O)=O IIACRCGMVDHOTQ-UHFFFAOYSA-N 0.000 description 4
- 238000007598 dipping method Methods 0.000 description 3
- 239000011159 matrix material Substances 0.000 description 3
- 239000007769 metal material Substances 0.000 description 3
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 229910052708 sodium Inorganic materials 0.000 description 2
- 239000011734 sodium Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 208000035126 Facies Diseases 0.000 description 1
- 241001062009 Indigofera Species 0.000 description 1
- 229910000746 Structural steel Inorganic materials 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 229910000960 colored gold Inorganic materials 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 239000000686 essence Substances 0.000 description 1
- IDGUHHHQCWSQLU-UHFFFAOYSA-N ethanol;hydrate Chemical compound O.CCO IDGUHHHQCWSQLU-UHFFFAOYSA-N 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 235000016768 molybdenum Nutrition 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- TUTLDIXHQPSHHQ-UHFFFAOYSA-N tin(iv) sulfide Chemical compound [S-2].[S-2].[Sn+4] TUTLDIXHQPSHHQ-UHFFFAOYSA-N 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
- C23F1/00—Etching metallic material by chemical means
- C23F1/10—Etching compositions
- C23F1/14—Aqueous compositions
- C23F1/16—Acidic compositions
- C23F1/28—Acidic compositions for etching iron group metals
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating And Analyzing Materials By Characteristic Methods (AREA)
- ing And Chemical Polishing (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
Prepared the invention belongs to metallographic sample and display technology field, disclose the color method of a kind of iron-based zinc coat or zinc coat colour metallograpy, color method includes:Polishing, polishing, pre- etch, coloring.Iron-based zinc coat or the color method of zinc coat colour metallograpy that the present invention is provided, iron-based (oozes) zinc coat colour metallograpy crystal boundary complete display, speculate display high, clearly microscopic structure can be also obtained even without polarised light and sensitive tint, can substantially differentiate different phase and its distribution;Step of the present invention is simple, and reproducible, coloring effect is good and stability is good, and the preparation of sample is carried out at room temperature, and the sample prepared can be preserved for a long time at normal temperatures.
Description
Technical field
Prepared the invention belongs to metallographic sample and display technology field, more particularly to a kind of iron-based zinc coat or zinc coat coloured silk
The color method of coloured gold phase.
Background technology
The various performances of microstructure and metal material inside metal material have it is direct and close contact, profit
A kind of mode that observation is presently the most convenient, fast and effective is carried out to the microscopic structure of metal material with metallographic microscope.
Metallographic refers to the physical state and chemical state of the chemical composition and various composition of metal or alloy inside alloy.Pass through gold
Facies analysis, can be estimated and anticipation to the performance of material, while metallographic can be used for the reason for material failure and destruction
Analysis.
Use to be most widely black and white metallographic in metallographic field at present, black and white metallographic is due to speculating the reason such as not high to many
Mutually and ooze, the distinguishing ability of coating it is limited.Colour metallograpy speculates change of the very high formation for cutting inteferometer coating to material composition
It is very sensitive, therefore have its irreplaceable value in colour metallograpy production practices.
Zinc has that good corrosion resistance, fusing point are low, is easy to the features such as coating and " sacrifice " anode electrochemical protective effect, therefore
Zincizing, zincincation are to be applied to widest method in coating protection materials at present.
In summary, the problem of prior art is present be:
Current zincizing, zinc-plated metallographic specimen are mainly corroded using 4% nitric acid alcohol, in Display of Grain Boundary definition
On upper, phase region point significant degree, speculate that display is upper and result precision on there is poor phenomenon, and currently there are no colour metallograpy
Dye technology is in zincizing, zinc-plated metallographic structure successful story.
The content of the invention
The problem of existing for prior art, the invention provides a kind of iron-based zinc coat or zinc coat colour metallograpy
Color method.
The present invention is achieved in that the color method of a kind of iron-based zinc coat or zinc coat colour metallograpy, including following
Step:
Polishing:Iron-based zincizing or galvanizing sample are polished using the abrasive paper for metallograph of different size successively, every one dozen
Specimen surface cut is ensured in the process of the sand paper of mill in one direction and is evenly distributed, and is rinsed well with water, will be tried
One of polishing operation is carried out down again after sample rotation;
Polishing:It is hand-held to be polished on polishing machine by iron-based zincizing or galvanizing sample after grinding process;
Pre- etch:Iron-based zincizing after polishing or galvanizing sample are immersed in pre- etching solution 10 seconds~45 seconds, etch is completed
Rinsed, ethanol cleaning, then dried up with flowing water afterwards;
Coloring:It will be put into by pre- etch iron-based zincizing or galvanizing sample in coloring liquid, coloring 30 seconds~60 seconds, Ran Houyong
Absolute ethyl alcohol is rinsed well and air-dried with hair-dryer.
Further, in the polishing step, successively using 400#, 600#, 800# abrasive paper for metallograph to iron-based zincizing or plating
Zinc sample is polished;One of polishing operation is carried out down after sample is rotated by 90 ° again.
Further, in polishing step, antiscuffing paste is coated on polishing cloth and smears smooth before polishing, hand is protected in polishing process
Maintain an equal level steady and be continuously added clear water;Wherein polishing cloth is canvas, and antiscuffing paste is the diamond polishing cream that granularity is W2.5.
Further, in pre- etch step, pre- etching solution is dissolved in obtained by absolute ethyl alcohol by nitric acid, and volume ratio is 4 nitric acid:96
Absolute ethyl alcohol.
Further, in tinting steps, the solution that coloring liquid is made up of sodium molybdate, sulfamic acid, distilled water, mass ratio is
0.8g~2.3g sodium molybdates:0.4g~1.7g sulfamic acids:50g~130g distilled water.
Another object of the present invention is to provide a kind of coloring using above-mentioned iron-based zinc coat or zinc coat colour metallograpy
The zinc-plated carbon structural steel of method coloring.
Advantages of the present invention and good effect are:Iron-based zinc coat or the coloring of zinc coat colour metallograpy that the present invention is provided
Method, iron-based (oozes) zinc coat colour metallograpy crystal boundary complete display, display height is speculated, even without polarised light and sensitive tint
Clearly microscopic structure can be obtained, different phase and its distribution can be substantially differentiated.Step of the present invention is simple, reproducible, coloring
Effect is good and stability is good, and the preparation of sample is carried out at room temperature, and the sample prepared can be protected for a long time at normal temperatures
Deposit.
Brief description of the drawings
Fig. 1 is iron-based zinc coat provided in an embodiment of the present invention or the color method flow chart of zinc coat colour metallograpy.
Embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, with reference to embodiments, to the present invention
It is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not used to
Limit the present invention.
The application principle of the present invention is further described below in conjunction with the accompanying drawings.
As shown in figure 1, the color method of iron-based zinc coat provided in an embodiment of the present invention or zinc coat colour metallograpy, including
Following steps:
S101:Polishing:(plating) zinc sample is oozed to iron-based using 400#, 600#, 800# abrasive paper for metallograph successively to polish,
To ensure sample surfaces cut in one direction in per the process of the sand paper of polishing together and be evenly distributed, and rinse dry with water
Only, one of polishing operation will be carried out down again after 90 ° of rotary sample;
S102:Polishing:By sample, iron-based oozes that (plating) zinc sample is hand-held to be polished on polishing machine after S101 is handled;
Antiscuffing paste is coated on polishing cloth and smears smooth before polishing, hand held stationary and clear water is continuously added in polishing process;Wherein
Polishing cloth is canvas, and antiscuffing paste is the diamond polishing cream that granularity is W2.5;
S103:Pre- etch:Iron-based after polishing is oozed into (plating) zinc sample to immerse in pre- etching solution 10~45 seconds, etch is completed
Rinsed, ethanol cleaning, then dried up with flowing water afterwards;Pre- etching solution is dissolved in obtained by absolute ethyl alcohol by nitric acid, and ratio is 4 nitric acid:96 nothings
Water-ethanol;
S104:Coloring:(plating) zinc sample will be oozed by pre- etch iron-based to be put into coloring liquid, colour 30-60 seconds, Ran Houyong
Absolute ethyl alcohol is rinsed well and air-dried with hair-dryer, is just clear that iron-based oozes under common metallographic microscope
The metallurgical structure of (plating) zinc layers;The solution that wherein colouring agent is made up of sodium molybdate, sulfamic acid, distilled water, mass ratio
For 0.8g~2.3g sodium molybdates:0.4g~1.7g sulfamic acids:50g~130g distilled water.
Iron-based zinc coat or the color method of zinc coat colour metallograpy that the present invention is provided, iron-based (ooze) zinc coat mosaic gold
Phase crystal boundary complete display, speculates display height, clearly microscopic structure can be also obtained even without polarised light and sensitive tint, can be bright
The different phase of aobvious resolution and its distribution.Step of the present invention is simple, and reproducible, coloring effect is good and stability is good, the system of sample
Standby to carry out at room temperature, the sample prepared can be preserved for a long time at normal temperatures.
The present invention is further described with reference to specific embodiment.
Embodiment 1:
The color method of iron-based zinc coat provided in an embodiment of the present invention or zinc coat colour metallograpy, comprises the following steps:
Polishing:(plating) zinc sample is oozed to iron-based using 400#, 600#, 800# abrasive paper for metallograph successively to polish, it is each
Sample surfaces cut is ensured in the process of the sand paper of road polishing in one direction and is evenly distributed, and is rinsed well with water,
One of polishing operation will be carried out down again after 90 ° of rotary sample;
Polishing:By sample, iron-based oozes that (plating) zinc sample is hand-held to be polished on polishing machine after grinding process;Polishing
It is preceding that antiscuffing paste is coated on polishing cloth and smears smooth, hand held stationary and it is continuously added clear water in polishing process;Wherein polish
Cloth is canvas, and antiscuffing paste is the diamond polishing cream that granularity is W2.5;
Pre- etch:Iron-based after polishing is oozed into (plating) zinc sample to immerse in pre- etching solution 10 seconds, flowing water is used after the completion of etch
Rinse, ethanol cleaning, then dry up;Pre- etching solution is dissolved in obtained by absolute ethyl alcohol by nitric acid, and ratio is 4 nitric acid:96 absolute ethyl alcohols;
Coloring:(plating) zinc sample will be oozed by pre- etch iron-based to be put into coloring liquid, colour 30 seconds, then use absolute ethyl alcohol
Rinse well and air-dried with hair-dryer, be just clear that iron-based oozes (plating) zinc layers under common metallographic microscope
Metallurgical structure;The solution that wherein colouring agent is made up of sodium molybdate, sulfamic acid, distilled water, mass ratio is 0.8g molybdic acids
Sodium:0.4g sulfamic acids:50g distilled water.
Embodiment 2:
The color method of iron-based zinc coat provided in an embodiment of the present invention or zinc coat colour metallograpy, comprises the following steps:
Polishing:(plating) zinc sample is oozed to iron-based using 400#, 600#, 800# abrasive paper for metallograph successively to polish, it is each
Sample surfaces cut is ensured in the process of the sand paper of road polishing in one direction and is evenly distributed, and is rinsed well with water,
One of polishing operation will be carried out down again after 90 ° of rotary sample;
Polishing:By sample, iron-based oozes that (plating) zinc sample is hand-held to be polished on polishing machine after grinding process;Polishing
It is preceding that antiscuffing paste is coated on polishing cloth and smears smooth, hand held stationary and it is continuously added clear water in polishing process;Wherein polish
Cloth is canvas, and antiscuffing paste is the diamond polishing cream that granularity is W2.5;
Pre- etch:Iron-based after polishing is oozed into (plating) zinc sample to immerse in pre- etching solution 45 seconds, flowing water is used after the completion of etch
Rinse, ethanol cleaning, then dry up;Pre- etching solution is dissolved in obtained by absolute ethyl alcohol by nitric acid, and ratio is 4 nitric acid:96 absolute ethyl alcohols;
Coloring:(plating) zinc sample will be oozed by pre- etch iron-based to be put into coloring liquid, colour 60 seconds, then use absolute ethyl alcohol
Rinse well and air-dried with hair-dryer, be just clear that iron-based oozes (plating) zinc layers under common metallographic microscope
Metallurgical structure;The solution that wherein colouring agent is made up of sodium molybdate, sulfamic acid, distilled water, mass ratio is 2.3g g molybdenums
Sour sodium:1.7g sulfamic acid:130g distilled water.
Embodiment 3:
The color method of iron-based zinc coat provided in an embodiment of the present invention or zinc coat colour metallograpy, comprises the following steps:
Polishing:(plating) zinc sample is oozed to iron-based using 400#, 600#, 800# abrasive paper for metallograph successively to polish, it is each
Sample surfaces cut is ensured in the process of the sand paper of road polishing in one direction and is evenly distributed, and is rinsed well with water,
One of polishing operation will be carried out down again after 90 ° of rotary sample;
Polishing:By sample, iron-based oozes that (plating) zinc sample is hand-held to be polished on polishing machine after grinding process;Polishing
It is preceding that antiscuffing paste is coated on polishing cloth and smears smooth, hand held stationary and it is continuously added clear water in polishing process;Wherein polish
Cloth is canvas, and antiscuffing paste is the diamond polishing cream that granularity is W2.5;
Pre- etch:Iron-based after polishing is oozed into (plating) zinc sample to immerse in pre- etching solution 30 seconds, flowing water is used after the completion of etch
Rinse, ethanol cleaning, then dry up;Pre- etching solution is dissolved in obtained by absolute ethyl alcohol by nitric acid, and ratio is 4 nitric acid:96 absolute ethyl alcohols;
Coloring:(plating) zinc sample will be oozed by pre- etch iron-based to be put into coloring liquid, colour 40 seconds, then use absolute ethyl alcohol
Rinse well and air-dried with hair-dryer, be just clear that iron-based oozes (plating) zinc layers under common metallographic microscope
Metallurgical structure;The solution that wherein colouring agent is made up of sodium molybdate, sulfamic acid, distilled water, mass ratio is 1g sodium molybdates:
1g sulfamic acids:80g distilled water.
Embodiment 4:Q235 steel galvanizing by dipping samples were according to the pre- etch of step shown in the present invention 15 seconds, 200 times of coloring 60 seconds
Colour metallograpy, observation used in equipment be that the equipment used is ZEISS Primotech metallographic microscopes, as a result for:ζ phases are
The green and pink mixture of colours;δ phases are yellow green transition region;Γ phases are blackish green;Matrix is once yellowish green indigo plant from edge to center
Purplish red gradient color.
Embodiment 5:Q235 steel galvanizing by dipping samples were according to the pre- etch of step shown in the present invention 15 seconds, 500 times of coloring 45 seconds
Colour metallograpy, equipment used in observation is that the equipment used is ZEISS Primotech metallographic microscopes, and ζ phases are green;δ
It is mutually red;Γ phases are yellow and black;Matrix is red.
Embodiment 6:Q235 steel galvanizing by dipping samples were according to the pre- etch of step shown in the present invention 15 seconds, 200 times of coloring 35 seconds
Colour metallograpy, observation used in equipment be that the equipment used is ZEISS Primotech metallographic microscopes, as a result for:ζ phases are
It is red;δ phases are green;Γ phases are blackish green, and the crystal boundary of δ phases and Γ phases black is spaced apart;Matrix from edge to center once
For the red gradient color of yellowish green royal purple.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
Any modifications, equivalent substitutions and improvements made within refreshing and principle etc., should be included in the scope of the protection.
Claims (6)
1. the color method of a kind of iron-based zinc coat or zinc coat colour metallograpy, it is characterised in that the iron-based zinc coat or plating
The color method of zinc layers colour metallograpy comprises the following steps:
Polishing:Iron-based zincizing or galvanizing sample are polished using the abrasive paper for metallograph of different size successively, per polishing together
Specimen surface cut is ensured in the process of sand paper in one direction and is evenly distributed, and is rinsed well with water, sample is revolved
One of polishing operation is carried out down again after turning;
Polishing:It is hand-held to be polished on polishing machine by iron-based zincizing or galvanizing sample after grinding process;
Pre- etch:Iron-based zincizing after polishing or galvanizing sample are immersed in pre- etching solution 10 seconds~45 seconds, used after the completion of etch
Flowing water is rinsed, ethanol cleaning, then is dried up;
Coloring:It will be put into coloring liquid, colour 30 seconds~60 seconds, then with anhydrous by pre- etch iron-based zincizing or galvanizing sample
Alcohol flushing is clean and is air-dried with hair-dryer.
2. the color method of iron-based zinc coat as claimed in claim 1 or zinc coat colour metallograpy, it is characterised in that described to beat
Grind in step, iron-based zincizing or galvanizing sample are polished using 400#, 600#, 800# abrasive paper for metallograph successively;By sample
One of polishing operation is carried out down after being rotated by 90 ° again.
3. the color method of iron-based zinc coat as claimed in claim 1 or zinc coat colour metallograpy, it is characterised in that polishing step
In rapid, antiscuffing paste is coated on polishing cloth and smears smooth before polishing, hand held stationary and clear water is continuously added in polishing process;
Wherein polishing cloth is canvas, and antiscuffing paste is the diamond polishing cream that granularity is W2.5.
4. the color method of iron-based zinc coat as claimed in claim 1 or zinc coat colour metallograpy, it is characterised in that pre- etch
In step, pre- etching solution is dissolved in obtained by absolute ethyl alcohol by nitric acid, and volume ratio is 4 nitric acid:96 absolute ethyl alcohols.
5. the color method of iron-based zinc coat as claimed in claim 1 or zinc coat colour metallograpy, it is characterised in that coloring step
In rapid, the solution that coloring liquid is made up of sodium molybdate, sulfamic acid, distilled water, mass ratio is 0.8g~2.3g sodium molybdates:0.4g~
1.7g sulfamic acid:50g~130g distilled water.
6. the color method coloring of iron-based zinc coat or zinc coat colour metallograpy described in a kind of utilization claim 1 is zinc-plated common
Carbon structural steels.
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Cited By (1)
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CN107703032A (en) * | 2017-09-29 | 2018-02-16 | 成都旭光电子股份有限公司 | The anti-silver-based solder accessibility method of inspection of mixed powder copper chromium contact |
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TW201445130A (en) * | 2013-05-21 | 2014-12-01 | China Steel Corp | Method of optically determining metallography of iron-zinc galvannealed intermetallic layer |
CN103439169A (en) * | 2013-07-30 | 2013-12-11 | 国家电网公司 | On-site high magnification inspection method applicable to tower material tissue |
CN103471897A (en) * | 2013-09-09 | 2013-12-25 | 河北科技大学 | Color metallography coloring method of aluminum alloy |
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CN107703032A (en) * | 2017-09-29 | 2018-02-16 | 成都旭光电子股份有限公司 | The anti-silver-based solder accessibility method of inspection of mixed powder copper chromium contact |
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