CN104862754A - Method for applying stainless steel light interference color on carbon steel - Google Patents
Method for applying stainless steel light interference color on carbon steel Download PDFInfo
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- CN104862754A CN104862754A CN201510179925.1A CN201510179925A CN104862754A CN 104862754 A CN104862754 A CN 104862754A CN 201510179925 A CN201510179925 A CN 201510179925A CN 104862754 A CN104862754 A CN 104862754A
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Abstract
The invention relates to a method for applying a stainless steel light interference color on carbon steel. Firstly, a novel alloy plating layer having such excellent performances as high hardness and high corrosion resistance is pre-plated on the surface of a carbon steel basal body; the plating layer comprises chemical components of Fe-Cr or Fe-Cr-Ni; and then, the coloring treatment is performed to obtain color stainless steel having the stainless steel light interference color applied on the surface thereof. The color carbon steel obtained by the method is rich in color and excellent in reproducibility; the color of the color carbon steel is a light interference color like that of a diamond, and such multiple colors as jewelry blue, jewelry purple and golden yellow can be presented, so that the decoration effect is excellent; and the corrosion resistance of the color carbon steel is greatly improved. Compared with a traditional carbon steel coloring method, the method has the advantages of simple process, high operability, low temperature needed by reactions, short time, low energy consumption and cost saving, and is suitable for large-scale production.
Description
Technical field
The invention belongs to technical field of metal material surface treatment, relate to the painted novel method of a kind of carbon steel, more particularly, the present invention relates to a kind of method Color Stainless Steel interference color at steel surface.
Background technology
Carbon steel is a kind of very important Industrial materials, has the characteristics such as very high hardness, very superior mechanical property and cheap price, is widely used in railway, bridge, all kinds of construction work, and various hardware, mechanical component.Along with the standard of living of the progress of science and technology and the develop rapidly of all trades and professions and the people constantly improves, the Application Areas of carbon steel is also expanded rapidly and is come, and single color and the lower corrosion resistance characteristic of carbon steel are difficult to meet the need of market.Therefore, the different dye technologies of researchist's active research carbon steel all always, so that can produce colourful carbon steel product innovation, meet the demand that the people are growing for a long time.
The painted carbon steel that can only obtain black and blue two kinds of colors of traditional carbon steel chemistry, uses alkaline oxygenated method and acidic oxidation method usually.Alkaline oxygenated method is painted formula with SODIUMNITRATE, Sodium Nitrite and sodium hydroxide melting salt, and in the superheated vapo(u)r of high-temperature hot air and more than 500 DEG C, process 30 ~ 50min, can obtain blue carbon steel; And acidic oxidation method is with phosphoric acid, nitrocalcite, manganese oxide for coloring liquid formula, at 100 DEG C, coloring liquid process 30 ~ 60min will be placed in through pre-treatment (oil removing, rust cleaning) carbon steel, black carbon steel can be obtained.
There is certain problem in this traditional carbon steel colorize method, the temperature of one, technological operation reaction is higher, and energy expenditure is large, and equipment cost is high; Two, the color of its painted gained only has blueness and black two kinds, do not have stainless steel chemical pigmentation can obtain gorgeous multicolour as jewel like that, and glossiness is good; Three, the wear resisting property of surface film is not good.Based on the problems referred to above, scientific research personnel finding the painted novel method of other carbon steels hardy, meets the demand of industry always.
Also have in prior art and adopt other process meanses painted to realize carbon steel, such as, application number is the preparation method that patent discloses a kind of Color Stainless Steel film of 201410057027.4, comprise by the surface sputtering one deck stainless steel film of sputter coating technology at plain carbon stool or steel alloy, then by chemical stain process, form Color Stainless Steel composite bed at ordinary steel or steel alloy surface, make common carbon steel or steel alloy have the effect of general Color Stainless Steel.But the sputter coating technical matters that the method adopts is complicated, sputter equipment is also too complicated, and equipment running cost is high, and is not suitable for the uniform large area film of deposit thickness.Carbon steel plating is another kind of carbon steel colorize method preferably, it not only can obtain the very thick metal deposition film of one deck, can significantly improve the wear resistance of carbon steel, erosion resistance, and it can also obtain silvery white (as electrodeposited chromium) and the metal finishing color such as bronze-colored (as electro-coppering), golden (electrogilding) of one deck cleaning at steel surface.But, because plated metal composition is single, in any case, by plating come still dull to the painted color of carbon steel, and this technology very ancient, there is no new meaning, the people create aestheticly tired to it for a long time.
At present, steel industry kind is single, Competition turn white, in industry except price and scale competition, seldom has new technology, product innovation, and a lot of enterprise on a small scale faces bankruptcy frequently.Therefore, exploitation carbon steel new variety, in-depth carbon steel breed structure, necessary to promotion industry development.The present invention is exactly aesthetic requirement in order to meet people and the quality structure widening carbon steel, develops a kind of colored carbon steel product innovation.
Summary of the invention
In order to overcome the deficiency that prior art exists, main purpose of the present invention improves the problem that in existing carbon steel dye technology, color is single, provides the novel method that a kind of carbon steel chemistry is painted.The present invention by first electroplating the similar stainless composition of one deck at steel surface, and then resembles stainless steel chemical pigmentation steel surface coating is oxidized to various colour.Although it directly stainless steel surface is oxidized to one deck colour film by chemical oxidation treatment unlike stainless steel and stainless steel combines together, it can obtain the very thick metal deposition film of one deck, can significantly improve the wear resistance of carbon steel, solidity to corrosion; And interference of light look beautiful as Color Stainless Steel can also be obtained at steel surface, in appearance carbon steel is become Color Stainless Steel.
The inventive method realizes carbon steel into multicolour by two steps, the object of the invention is to be achieved through the following technical solutions:
A method for Color Stainless Steel interference color at steel surface, comprise the steps:
Step one: electroplate one deck stainless steel coating at steel surface
(11) oil removing: use metal degreasing stain remover to remove the greasy dirt of described steel surface, then use the clean water of 50 ~ 80 DEG C clean, obtain the carbon steel after oil removing;
(12) acid pickling and rust removing: functional quality percentage ratio be 5 ~ 30% hydrochloric acid acid pickling and rust removing is carried out to the carbon steel after step (11) described oil removal treatment, then use the clean water of 50 ~ 80 DEG C clean, obtain the carbon steel after eliminating rust;
(13) polishing: polishing is carried out to the described carbon steel after acid pickling and rust removing of step (12), more further oil removing, rust cleaning, and with the clean water of 50 ~ 80 DEG C totally, obtain the carbon steel after polishing;
(14) electroplate: the carbon steel after step (13) described polishing is placed in the electrolyzer filling plating solution, there is the stainless steel anode material of identical component or noble electrode for anode with plating solution, described carbon steel is negative electrode, and by galvanic current, current density is 5 ~ 30A/dm
2, the temperature of plating solution described in electrolyzer is 35 ~ 75 DEG C, and pH value is 0 ~ 4, finally obtains the carbon steel depositing stainless steel coating, and electroplating time determines according to the thickness of described stainless steel coating;
(15) clean: the carbon steel depositing stainless steel coating obtained described in step (14) is cleaned up in the clear water of 50 ~ 80 DEG C, after oven dry, is work in-process;
Step 2: steel surface heat-tinting is formed multicolour
(21) oil removing: use the oily waste degradation of surface of semi-finished that metal degreasing stain remover will obtain described in above-mentioned steps (15), then use the clean water of 50 ~ 80 DEG C clean, obtain the work in-process after oil removing;
(22) polishing: the work in-process after step (21) described oil removing are carried out polishing, then use the clean water of 50 ~ 80 DEG C clean, obtain the work in-process after polishing;
(23) painted: the work in-process after the polishing obtained described in step (22) are placed in the electrolyzer filling coloring liquid, and with the work in-process after described polishing for anode, stereotype is negative electrode, controlling painted current density is 0 ~ 30 A/dm
2, coloration temperature is-5 ~ 90 DEG C, and coloration time is 1 ~ 45min, painted complete after, obtain painted after finished product;
(24) clean: by described for step (23) painted after finished product clean up in the clear water of 50 ~ 80 DEG C, obtain described surface after oven dry and there is colored carbon steel as Color Stainless Steel interference of light look.
Further, the technical scheme described above according to the present invention, the chemical composition of the stainless steel coating of described steel surface is Fe-Cr or Fe-Cr-Ni, and wherein Fe-Cr-Ni coating has stronger erosion resistance than Fe-Cr coating.
Further, the technical scheme described above according to the present invention, described stainless steel anode material is selected from 1Cr18Ni8 or 1Cr18.
Further, the technical scheme described above according to the present invention, the composition of above-mentioned steps (14) described plating solution is:
Chromium sulphate 100 ~ 300g/L,
Ferrous sulfate 3 ~ 18g/L,
Ammonium citrate 20 ~ 80g/L,
Xitix 5 ~ 30g/L,
Boric acid 10 ~ 50g/L,
Ammonium sulfate 50 ~ 300g/L,
Sodium Fluoride 1 ~ 10g/L,
Sodium lauryl sulphate 0.02 ~ 0.1g/L, solvent is water.
Further preferably, the technical scheme described above according to the present invention, also containing single nickel salt in described plating solution, described nickel sulfate content is 3 ~ 18g/L.
Further preferably, the technical scheme described above according to the present invention, described in step (14), current density is 16 A/dm
2, the temperature of plating solution described in electrolyzer is 50 DEG C, and pH value is 1.5.
Further, the technical scheme described above according to the present invention, the composition of above-mentioned steps (23) described coloring liquid is:
H
2SO
4100～500g/L，
CrO
3100～300g/L，
MnSO
41~2g/L，
ZnSO
4 5~20g/L，
NH
4moO
42 ~ 20g/L, solvent is water.
Further, the technical scheme described above according to the present invention, in step (23), coloration temperature is preferably 15 DEG C.
Further, the technical scheme described above according to the present invention, described in step (13) and step (22), polishing mode is preferably mechanical polishing or electropolishing.
Compared with prior art, the inventive method has the following advantages:
(1) the present invention is first is the flash plating of Fe-Cr or Fe-Cr-Ni in steel surface first preplating one deck chemical composition, and then further coloring treatment, belong to alloy plating, and traditional method at steel surface electro-galvanizing, chromium, copper, nickel, tin, silver, gold, belong to single Metal plating, the carbon steel color of electroplating out is very single; And the inventive method is compared to traditional carbon steel electrophoresis colour, be not afraid of and expose to the sun and rain, ageing-resistant performance is much better than; Turn blue compared to the blackout of traditional carbon steel, carbon steel of the present invention not only various colors, and also corrosion resistant performance is stronger;
(2) the colored carbon steel rich color that obtains of method that adopts of the present invention, favorable reproducibility, and the color of this kind of colored carbon steel is a kind of interference of light look as jewel, has the multicolour such as sapphire blue, purple gem, golden yellow, has good decorative effect;
(3) the present invention is compared to traditional carbon steel colorize method, and technique is simple, and workable, react temperature required low, the time is short, consuming little energy, cost-saving, is applicable to large-scale mass production;
(4) the present invention is by a large amount of process test research, obtain best electroplate liquid formulation and processing condition, obtain the novel alloy coating with the excellent properties such as high rigidity and high corrosion resistance on plain steel surface, the corrosion resistant performance of the colored carbon steel of gained is improved greatly.
Embodiment
For a better understanding of the present invention, below in conjunction with specific embodiment, technical scheme of the present invention is described in further detail.
Embodiment 1
A3 steel selected by carbon steel described in the present embodiment, and stainless steel anode material is selected from 1Cr18Ni8, and A3 steel surface electrical coating main chemical compositions is Fe-Cr-Ni.
A3 steel surface a method for Color Stainless Steel interference color, comprise the steps:
Prepare the plating solution of following component and content: chromium sulphate 200g/L, ferrous sulfate 9g/L, single nickel salt 6g/L, ammonium citrate 60g/L, xitix 10g/L, boric acid 25g/L, ammonium sulfate 100g/L, Sodium Fluoride 4g/L, sodium lauryl sulphate 0.06g/L, solvent is water;
Prepare the coloring liquid of following component and content: H
2sO
4250g/L, CrO
3100g/L, MnSO
41g/L, ZnSO
410g/L, NH
4moO
45g/L, solvent is water.
Step one: at A3 steel electroplating surface one deck stainless steel coating
(11) oil removing: use metal degreasing stain remover to remove the greasy dirt on described A3 steel surface, then use the clean water of 70 DEG C clean, obtain the A3 steel after oil removing;
(12) acid pickling and rust removing: functional quality percentage ratio be 15% hydrochloric acid acid pickling and rust removing is carried out to the A3 steel after step (11) described oil removal treatment, then use the clean water of 70 DEG C clean, obtain the A3 steel after eliminating rust;
(13) polishing: mechanical polishing or electropolishing are carried out to the described A3 steel after acid pickling and rust removing of step (12), more further oil removing, rust cleaning, and with the clean water of 70 DEG C totally, obtain the A3 steel after polishing;
(14) electroplate: the A3 steel after step (13) described polishing is placed in the electrolyzer filling the above-mentioned plating solution prepared, and with stainless material 1Cr18Ni8 for anode, described A3 steel is negative electrode, and by galvanic current, control current density is 16A/dm
2, the temperature of plating solution described in electrolyzer is 50 DEG C, and pH value is 1.5, finally obtains the A3 steel depositing stainless steel coating, and electroplating time determines according to the thickness of described stainless steel coating;
(15) clean: the A3 steel depositing stainless steel coating obtained described in step (14) is cleaned up in the clear water of 70 DEG C, after oven dry, is work in-process;
Step 2: by painted for A3 steel surface oxidation formation multicolour
(21) oil removing: use the oily waste degradation of surface of semi-finished that metal degreasing stain remover will obtain described in above-mentioned steps (15), then use the clean water of 60 DEG C clean, obtain the work in-process after oil removing;
(22) polishing: the work in-process after step (21) described oil removing are carried out mechanical polishing or electropolishing, then use the clean water of 60 DEG C clean, obtain the work in-process after polishing;
(23) painted: the work in-process after the polishing obtained described in step (22) are placed in the electrolyzer filling the above-mentioned coloring liquid prepared, and with the work in-process after described polishing for anode, stereotype is negative electrode, controlling painted current density is 1A/dm
2, temperature is painted at-5 DEG C, and coloration time is 35min, painted complete after, obtain painted after finished product;
(24) clean: by described for step (23) painted after finished product clean up in the clear water of 60 DEG C, obtain described surface after oven dry and there is colored A3 steel as Color Stainless Steel interference of light look.
Embodiment 2
A3 steel selected by carbon steel described in the present embodiment, and stainless steel anode material is selected from 1Cr18, and A3 steel surface electrical coating main chemical compositions is Fe-Cr.
A3 steel surface a method for Color Stainless Steel interference color, comprise the steps:
Prepare the plating solution of following component and content: chromium sulphate 200g/L, ferrous sulfate 9g/L, ammonium citrate 60g/L, xitix 10g/L, boric acid 25g/L, ammonium sulfate 100g/L, Sodium Fluoride 4g/L, sodium lauryl sulphate 0.06g/L, solvent is water;
Prepare the coloring liquid of following component and content: H
2sO
4490g/L, CrO
3250g/L, MnSO
41g/L, ZnSO
410g/L, NH
4moO
45g/L, solvent is water.
Step one: at A3 steel electroplating surface one deck stainless steel coating
(11) oil removing: use metal degreasing stain remover to remove the greasy dirt on described A3 steel surface, then use the clean water of 70 DEG C clean, obtain the A3 steel after oil removing;
(12) acid pickling and rust removing: functional quality percentage ratio be 15% hydrochloric acid acid pickling and rust removing is carried out to the A3 steel after step (11) described oil removal treatment, then use the clean water of 70 DEG C clean, obtain the A3 steel after eliminating rust;
(13) polishing: mechanical polishing or electropolishing are carried out to the described A3 steel after acid pickling and rust removing of step (12), more further oil removing, rust cleaning, and with the clean water of 70 DEG C totally, obtain the A3 steel after polishing;
(14) electroplate: the A3 steel after step (13) described polishing is placed in the electrolyzer filling the above-mentioned plating solution prepared, and with stainless material 1Cr18 for anode, described A3 steel is negative electrode, and by galvanic current, control current density is 16A/dm
2, the temperature of plating solution described in electrolyzer is 50 DEG C, and pH value is 1.5, finally obtains the A3 steel depositing stainless steel coating, and electroplating time determines according to the thickness of described stainless steel coating;
(15) clean: the A3 steel depositing stainless steel coating obtained described in step (14) is cleaned up in the clear water of 70 DEG C, after oven dry, is work in-process;
Step 2: by painted for A3 steel surface oxidation formation multicolour
(21) oil removing: use the oily waste degradation of surface of semi-finished that metal degreasing stain remover will obtain described in above-mentioned steps (15), then use the clean water of 60 DEG C clean, obtain the work in-process after oil removing;
(22) polishing: the work in-process after step (21) described oil removing are carried out mechanical polishing or electropolishing, then use the clean water of 60 DEG C clean, obtain the work in-process after polishing;
(23) painted: the work in-process after the polishing obtained described in step (22) are placed in the electrolyzer filling the above-mentioned coloring liquid prepared, and with the work in-process after described polishing for anode, stereotype is negative electrode, controlling painted current density is 0A/dm
2, direct chemical stain at temperature 85 DEG C, coloration time is 30min, painted complete after, obtain golden yellow colored carbon steel finished product;
(24) clean: colored for the golden yellow obtained described in step (23) carbon steel finished product is cleaned up in the clear water of 60 DEG C, obtain described surface after oven dry and there is colored A3 steel as Color Stainless Steel interference of light look.
Embodiment 3
A3 steel selected by carbon steel described in the present embodiment, and stainless steel anode material is selected from 1Cr18Ni8, and A3 steel surface electrical coating main chemical compositions is Fe-Cr-Ni.
A3 steel surface a method for Color Stainless Steel interference color, comprise the steps:
Prepare the plating solution of following component and content: chromium sulphate 100g/L, ferrous sulfate 3g/L, single nickel salt 3g/L, ammonium citrate 20g/L, xitix 30g/L, boric acid 10g/L, ammonium sulfate 300g/L, Sodium Fluoride 8g/L, sodium lauryl sulphate 0.1g/L, solvent is water;
Prepare the coloring liquid of following component and content: H
2sO
4100g/L, CrO
3300g/L, MnSO
41.5g/L, ZnSO
45g/L, NH
4moO
43g/L, solvent is water.
Step one: at A3 steel electroplating surface one deck stainless steel coating
(11) oil removing: use metal degreasing stain remover to remove the greasy dirt on described A3 steel surface, then use the clean water of 50 DEG C clean, obtain the A3 steel after oil removing;
(12) acid pickling and rust removing: functional quality percentage ratio be 5% hydrochloric acid acid pickling and rust removing is carried out to the A3 steel after step (11) described oil removal treatment, then use the clean water of 50 DEG C clean, obtain the A3 steel after eliminating rust;
(13) polishing: mechanical polishing or electropolishing are carried out to the described A3 steel after acid pickling and rust removing of step (12), more further oil removing, rust cleaning, and with the clean water of 50 DEG C totally, obtain the A3 steel after polishing;
(14) electroplate: the A3 steel after step (13) described polishing is placed in the electrolyzer filling the above-mentioned plating solution prepared, and with stainless material 1Cr18Ni8 for anode, described A3 steel is negative electrode, and by galvanic current, control current density is 5A/dm
2, the temperature of plating solution described in electrolyzer is 35 DEG C, and pH value is 4, finally obtains the A3 steel depositing stainless steel coating, and electroplating time determines according to the thickness of described stainless steel coating;
(15) clean: the A3 steel depositing stainless steel coating obtained described in step (14) is cleaned up in the clear water of 50 DEG C, after oven dry, is work in-process;
Step 2: by painted for A3 steel surface oxidation formation multicolour
(21) oil removing: use the oily waste degradation of surface of semi-finished that metal degreasing stain remover will obtain described in above-mentioned steps (15), then use the clean water of 50 DEG C clean, obtain the work in-process after oil removing;
(22) polishing: the work in-process after step (21) described oil removing are carried out mechanical polishing or electropolishing, then use the clean water of 50 DEG C clean, obtain the work in-process after polishing;
(23) painted: the work in-process after the polishing obtained described in step (22) are placed in the electrolyzer filling the above-mentioned coloring liquid prepared, and with the work in-process after described polishing for anode, stereotype is negative electrode, controlling painted current density is 1.5A/dm
2, temperature is painted at 14 DEG C, and coloration time is 25min, painted complete after, obtain painted after finished product;
(24) clean: by described for step (23) painted after finished product clean up in the clear water of 50 DEG C, obtain described surface after oven dry and there is colored A3 steel as Color Stainless Steel interference of light look.
Embodiment 4
A3 steel selected by carbon steel described in the present embodiment, and stainless steel anode material is selected from 1Cr18, and A3 steel surface electrical coating main chemical compositions is Fe-Cr.
A3 steel surface a method for Color Stainless Steel interference color, comprise the steps:
Prepare the plating solution of following component and content: chromium sulphate 300g/L, ferrous sulfate 15g/L, ammonium citrate 80g/L, xitix 5g/L, boric acid 50g/L, ammonium sulfate 50g/L, Sodium Fluoride 1g/L, sodium lauryl sulphate 0.02g/L, solvent is water;
Prepare the coloring liquid of following component and content: H
2sO
4500g/L, CrO
3150g/L, MnSO
42g/L, ZnSO
415g/L, NH
4moO
42g/L, solvent is water.
Step one: at A3 steel electroplating surface one deck stainless steel coating
(11) oil removing: use metal degreasing stain remover to remove the greasy dirt on described A3 steel surface, then use the clean water of 80 DEG C clean, obtain the A3 steel after oil removing;
(12) acid pickling and rust removing: functional quality percentage ratio be 30% hydrochloric acid acid pickling and rust removing is carried out to the A3 steel after step (11) described oil removal treatment, then use the clean water of 80 DEG C clean, obtain the A3 steel after eliminating rust;
(13) polishing: mechanical polishing or electropolishing are carried out to the described A3 steel after acid pickling and rust removing of step (12), more further oil removing, rust cleaning, and with the clean water of 80 DEG C totally, obtain the A3 steel after polishing;
(14) electroplate: the A3 steel after step (13) described polishing is placed in the electrolyzer filling the above-mentioned plating solution prepared, and with stainless material 1Cr18 for anode, described A3 steel is negative electrode, and by galvanic current, control current density is 30A/dm
2, the temperature of plating solution described in electrolyzer is 75 DEG C, and pH value is 2, finally obtains the A3 steel depositing stainless steel coating, and electroplating time determines according to the thickness of described stainless steel coating;
(15) clean: the A3 steel depositing stainless steel coating obtained described in step (14) is cleaned up in the clear water of 80 DEG C, after oven dry, is work in-process;
Step 2: by painted for A3 steel surface oxidation formation multicolour
(21) oil removing: use the oily waste degradation of surface of semi-finished that metal degreasing stain remover will obtain described in above-mentioned steps (15), then use the clean water of 80 DEG C clean, obtain the work in-process after oil removing;
(22) polishing: the work in-process after step (21) described oil removing are carried out mechanical polishing or electropolishing, then use the clean water of 80 DEG C clean, obtain the work in-process after polishing;
(23) painted: the work in-process after the polishing obtained described in step (22) are placed in the electrolyzer filling the above-mentioned coloring liquid prepared, and with the work in-process after described polishing for anode, stereotype is negative electrode, controlling painted current density is 2A/dm
2, painted at temperature 30 DEG C, coloration time is 10min, painted complete after, obtain colored carbon steel finished product;
(24) clean: colored for the golden yellow obtained described in step (23) carbon steel finished product is cleaned up in the clear water of 60 DEG C, obtain described surface after oven dry and there is colored A3 steel as Color Stainless Steel interference of light look.
Embodiment 5
A3 steel selected by carbon steel described in the present embodiment, and stainless steel anode material is selected from 1Cr18Ni8, and A3 steel surface electrical coating main chemical compositions is Fe-Cr-Ni.
A3 steel surface a method for Color Stainless Steel interference color, comprise the steps:
Prepare the plating solution of following component and content: chromium sulphate 180g/L, ferrous sulfate 18g/L, single nickel salt 18g/L, ammonium citrate 44g/L, xitix 16g/L, boric acid 28g/L, ammonium sulfate 120g/L, Sodium Fluoride 10g/L, sodium lauryl sulphate 0.05g/L, solvent is water;
Prepare the coloring liquid of following component and content: H
2sO
4165g/L, CrO
3240g/L, MnSO
41.6g/L, ZnSO
420g/L, NH
4moO
46g/L, solvent is water.
Step one: at A3 steel electroplating surface one deck stainless steel coating
(11) oil removing: use metal degreasing stain remover to remove the greasy dirt on described A3 steel surface, then use the clean water of 65 DEG C clean, obtain the A3 steel after oil removing;
(12) acid pickling and rust removing: functional quality percentage ratio be 10% hydrochloric acid acid pickling and rust removing is carried out to the A3 steel after step (11) described oil removal treatment, then use the clean water of 65 DEG C clean, obtain the A3 steel after eliminating rust;
(13) polishing: mechanical polishing or electropolishing are carried out to the described A3 steel after acid pickling and rust removing of step (12), more further oil removing, rust cleaning, and with the clean water of 65 DEG C totally, obtain the A3 steel after polishing;
(14) electroplate: the A3 steel after step (13) described polishing is placed in the electrolyzer filling the above-mentioned plating solution prepared, and with stainless material 1Cr18Ni8 for anode, described A3 steel is negative electrode, and by galvanic current, control current density is 10A/dm
2, the temperature of plating solution described in electrolyzer is 45 DEG C, and pH value is 0, finally obtains the A3 steel depositing stainless steel coating, and electroplating time determines according to the thickness of described stainless steel coating;
(15) clean: the A3 steel depositing stainless steel coating obtained described in step (14) is cleaned up in the clear water of 65 DEG C, after oven dry, is work in-process;
Step 2: by painted for A3 steel surface oxidation formation multicolour
(21) oil removing: use the oily waste degradation of surface of semi-finished that metal degreasing stain remover will obtain described in above-mentioned steps (15), then use the clean water of 65 DEG C clean, obtain the work in-process after oil removing;
(22) polishing: the work in-process after step (21) described oil removing are carried out mechanical polishing or electropolishing, then use the clean water of 65 DEG C clean, obtain the work in-process after polishing;
(23) painted: the work in-process after the polishing obtained described in step (22) are placed in the electrolyzer filling the above-mentioned coloring liquid prepared, and with the work in-process after described polishing for anode, stereotype is negative electrode, controlling painted current density is 1A/dm
2, temperature is painted at 15 DEG C, and coloration time is 20min, painted complete after, obtain painted after finished product;
(24) clean: by described for step (23) painted after finished product clean up in the clear water of 65 DEG C, obtain described surface after oven dry and there is colored A3 steel as Color Stainless Steel interference of light look.
Claims (9)
1. a method for Color Stainless Steel interference color at steel surface, comprise the steps:
Step one: electroplate one deck stainless steel coating at steel surface
(11) oil removing: use metal degreasing stain remover to remove the greasy dirt of described steel surface, then use the clean water of 50 ~ 80 DEG C clean, obtain the carbon steel after oil removing;
(12) acid pickling and rust removing: functional quality percentage ratio be 5 ~ 30% hydrochloric acid acid pickling and rust removing is carried out to the carbon steel after step (11) described oil removal treatment, then use the clean water of 50 ~ 80 DEG C clean, obtain the carbon steel after eliminating rust;
(13) polishing: polishing is carried out to the described carbon steel after acid pickling and rust removing of step (12), more further oil removing, rust cleaning, and with the clean water of 50 ~ 80 DEG C totally, obtain the carbon steel after polishing;
(14) electroplate: the carbon steel after step (13) described polishing is placed in the electrolyzer filling plating solution, there is the stainless steel anode material of identical component or noble electrode for anode with plating solution, described carbon steel is negative electrode, and by galvanic current, current density is 5 ~ 30A/dm
2, the temperature of plating solution described in electrolyzer is 35 ~ 75 DEG C, and pH value is 0 ~ 4, finally obtains the carbon steel depositing stainless steel coating, and electroplating time determines according to the thickness of described stainless steel coating;
(15) clean: the carbon steel depositing stainless steel coating obtained described in step (14) is cleaned up in the clear water of 50 ~ 80 DEG C, after oven dry, is work in-process;
Step 2: steel surface heat-tinting is formed multicolour
(21) oil removing: use the oily waste degradation of surface of semi-finished that metal degreasing stain remover will obtain described in above-mentioned steps (15), then use the clean water of 50 ~ 80 DEG C clean, obtain the work in-process after oil removing;
(22) polishing: the work in-process after step (21) described oil removing are carried out polishing, then use the clean water of 50 ~ 80 DEG C clean, obtain the work in-process after polishing;
(23) painted: the work in-process after the polishing obtained described in step (22) are placed in the electrolyzer filling coloring liquid, and with the work in-process after described polishing for anode, stereotype is negative electrode, controlling painted current density is 0 ~ 30 A/dm
2, coloration temperature is-5 ~ 90 DEG C, and coloration time is 1 ~ 45min, painted complete after, obtain painted after finished product;
(24) clean: by described for step (23) painted after finished product clean up in the clear water of 50 ~ 80 DEG C, obtain described surface after oven dry and there is colored carbon steel as Color Stainless Steel interference of light look.
2. a kind of method Color Stainless Steel interference color at steel surface as claimed in claim 1, is characterized in that: the chemical composition of described stainless steel coating is Fe-Cr or Fe-Cr-Ni.
3. a kind of method Color Stainless Steel interference color at steel surface as claimed in claim 2, is characterized in that: described stainless steel anode material is selected from 1Cr18Ni8 or 1Cr18.
4. a kind of method Color Stainless Steel interference color at steel surface as claimed in claim 2, is characterized in that: the composition of above-mentioned steps (14) described plating solution is:
Chromium sulphate 100 ~ 300g/L,
Ferrous sulfate 3 ~ 18g/L,
Ammonium citrate 20 ~ 80g/L,
Xitix 5 ~ 30g/L,
Boric acid 10 ~ 50g/L,
Ammonium sulfate 50 ~ 300g/L,
Sodium Fluoride 1 ~ 10g/L,
Sodium lauryl sulphate 0.02 ~ 0.1g/L, solvent is water.
5. a kind of method Color Stainless Steel interference color at steel surface as claimed in claim 4, is characterized in that: also containing single nickel salt in described plating solution, described nickel sulfate content is 3 ~ 18g/L.
6. a kind of method Color Stainless Steel interference color at steel surface as claimed in claim 4, is characterized in that: described in step (14), current density is 16 A/dm
2, the temperature of plating solution described in electrolyzer is 50 DEG C, and pH value is 1.5.
7. a kind of method Color Stainless Steel interference color at steel surface as described in any one of claim 1-6, is characterized in that: the composition of above-mentioned steps (23) described coloring liquid is:
H
2SO
4100～500g/L，
CrO
3100～300g/L，
MnSO
41~2g/L，
ZnSO
4 5~20g/L，
NH
4moO
42 ~ 20g/L, solvent is water.
8. a kind of method Color Stainless Steel interference color at steel surface as claimed in claim 7, is characterized in that: described in step (23), coloration temperature is preferably 15 DEG C.
9. a kind of method Color Stainless Steel interference color at steel surface as claimed in claim 7, is characterized in that: described in described step (13) and step (22), polishing mode is preferably mechanical polishing or electropolishing.
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| CN105297109A (en) * | 2015-11-23 | 2016-02-03 | 佛山市高明俊品金属制品有限公司 | Stainless steel electrochemical coloring liquid and coloring method |
| CN106757300A (en) * | 2016-12-16 | 2017-05-31 | 安徽宝恒新材料科技有限公司 | A kind of stainless steel surfaces chemical pigmenting method |
| CN107904652A (en) * | 2017-12-01 | 2018-04-13 | 马鞍山市鑫龙特钢有限公司 | A kind of method of carbon steel electropolishing |
| CN109023500A (en) * | 2018-06-27 | 2018-12-18 | 湖北大学 | A kind of environment-friendly preparation method thereof of stainless base steel colour super-hydrophobic self-cleaning surface |
| CN111910226A (en) * | 2020-07-15 | 2020-11-10 | 南昌航空大学 | Crack-free Fe-Cr alloy coating and preparation method and application thereof |
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| CN109023500A (en) * | 2018-06-27 | 2018-12-18 | 湖北大学 | A kind of environment-friendly preparation method thereof of stainless base steel colour super-hydrophobic self-cleaning surface |
| CN111910226A (en) * | 2020-07-15 | 2020-11-10 | 南昌航空大学 | Crack-free Fe-Cr alloy coating and preparation method and application thereof |
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