CN106894066B - A kind of artificial stainless steel matt aluminum profile coloring process - Google Patents
A kind of artificial stainless steel matt aluminum profile coloring process Download PDFInfo
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- CN106894066B CN106894066B CN201710137238.2A CN201710137238A CN106894066B CN 106894066 B CN106894066 B CN 106894066B CN 201710137238 A CN201710137238 A CN 201710137238A CN 106894066 B CN106894066 B CN 106894066B
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- Prior art keywords
- aluminum profile
- stainless steel
- nickel
- chromium
- coloring process
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D5/00—Electroplating characterised by the process; Pretreatment or after-treatment of workpieces
- C25D5/10—Electroplating with more than one layer of the same or of different metals
- C25D5/12—Electroplating with more than one layer of the same or of different metals at least one layer being of nickel or chromium
- C25D5/14—Electroplating with more than one layer of the same or of different metals at least one layer being of nickel or chromium two or more layers being of nickel or chromium, e.g. duplex or triplex layers
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D5/00—Electroplating characterised by the process; Pretreatment or after-treatment of workpieces
- C25D5/20—Electroplating using ultrasonics, vibrations
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D5/00—Electroplating characterised by the process; Pretreatment or after-treatment of workpieces
- C25D5/48—After-treatment of electroplated surfaces
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Electroplating Methods And Accessories (AREA)
- Other Surface Treatments For Metallic Materials (AREA)
- Coating With Molten Metal (AREA)
Abstract
The present invention relates to a kind of artificial stainless steel matt aluminum profile coloring process, include the following steps：The first step, cleaning；Second step, caustic corrosion；Third step neutralizes；4th step, a nickel plating, one time nickel plating layer thick is less than 0.01mm；5th step, chromium plating, the chromic acid for being 18%~22% using mass concentration vibrate electroplate liquid using ultrasonic wave, and heat to electrolyte, and temperature is controlled at 40~55 DEG C, in the foreign-plated one layer of nitride layer containing chromium of a nickel coating；6th step, toxicity neutralize, and wash with water aluminum profile, and the Cr VI neutralization in nitride layer containing chromium is converted nontoxic trivalent chromium by the sodium metabisulfite solution for being then 32%~35% using mass concentration；7th step, secondary nickel plating, washes with water aluminum profile, plates one layer of nickel again outside nitride layer containing chromium, and the thickness of secondary nickel coating is less than 0.02mm.
Description
Technical field
The present invention relates to a kind of artificial stainless steel matt aluminum profile coloring process.
Background technique
Chinese Patent Application No.：00110030.0 discloses a kind of aluminum profile electrolytic coloring technology.Feature is in routine
In anode oxidation coloration technique, then the extension caustic corrosion time selects tin to form the matt effect of profile in electrolytic coloring
It is sub- to obtain the unique artificial stainless steel colour of novel appearance using the electrochemical method of low-voltage short time electrolytic coloring for nickel salt-mixture
Light type material.
In addition, Chinese Patent Application No.：201210390603.8 also disclosing a kind of artificial stainless steel aluminium material surface processing work
Skill, is related to aluminium material surface processing technology field, and process flow includes：(i), surface is just handled：A, oil removing；B, it decontaminates；C, anode
Oxidation；D, it colours；E, first sealing of hole；(ii), surface is reprocessed：F, compo sprays；G, solidify.Aluminium product table after treatment
Face not only hardness and strength with higher but also had had the characteristics that bright and new color and had been able to maintain longer time, was suitable for place
Panel and profile of the production of reason aluminium, various colors.
Above-mentioned coloring process is that can form coating in aluminium shape surface, but previous technology is due to level at that time
Limitation, service life of coating, durability etc. can not be applicable in existing industrial production, gradually be eliminated；And latter
Color technique can not more but form matt color, and the physical property on surface, service life are also unsatisfactory.
Summary of the invention
Therefore, for above-mentioned problem, the present invention proposes that a kind of good physical performance, shelf life is high, chemical stability is good
Artificial stainless steel matt aluminum profile coloring process.
To achieve the above object, the invention adopts the following technical scheme：A kind of artificial stainless steel matt aluminum profile colourer
Skill includes the following steps：
The first step, cleaning；
Second step, caustic corrosion；
Third step neutralizes；
4th step, a nickel plating, one time nickel plating layer thick is less than 0.01mm；
5th step, chromium plating, the chromic acid for being 18%~22% using mass concentration shake to electroplate liquid using ultrasonic wave
It swings, and electrolyte is heated, temperature is controlled at 40~55 DEG C, in the foreign-plated one layer of nitride layer containing chromium of a nickel coating；
6th step, toxicity neutralize, and wash with water aluminum profile, the pyrosulfurous acid for being then 32%~35% using mass concentration
The Cr VI neutralization in nitride layer containing chromium is converted nontoxic trivalent chromium by sodium solution；
7th step, secondary nickel plating, washes with water aluminum profile, plates one layer of nickel, secondary nickel coating again outside nitride layer containing chromium
Thickness be less than 0.02mm.
Further, it is also neutralized between the 4th step and the 5th step, the sulphur for being 5%~15% using mass concentration
Acid solution in the oxide layer of the aluminum profile cleaned and will remove, then be cleaned up with clear water.
Further, isothermal holding is also carried out after the 7th step, soaking time is 350~450 DEG C, and the time is 1.2~1.8h.
Further, exported after heat preservation, by the excessive channels of a plurality of heating rings compositions when output, it is each heat ring plus
Hot temperature from being gradually decreased close to one end of heat-preserving equipment to the other end, the temperature close to the heating ring of heat-preserving equipment is 300~
350 DEG C, the temperature of the heating ring far from heat-preserving equipment one end is 30~50 DEG C.
By using preceding solution, the beneficial effects of the invention are as follows：The colourer of this artificial stainless steel matt aluminum profile
Skill realizes the coloring of aluminum profile by way of a nickel plating, chromium plating, toxicity neutralization, secondary nickel plating, forms artificial stainless steel
Color, color vibrates electroplate liquid closer to stainless steel, and by ultrasonic wave, is capable of forming the plating of matt
Layer so that the effect of plating is more preferable, and is also converted the Cr VI neutralization in nitride layer containing chromium to using sodium metabisulfite solution
Nontoxic trivalent chromium, the thickness for not being detrimental to health, and controlling nickel coating are more efficiently realize the same of electroplated layer
When, cost is reduced, the presentation of surface color, the i.e. presentation of artificial stainless steel colour are also improved.
Specific embodiment
Now in conjunction with specific embodiment, the present invention is further described.
The present embodiment provides a kind of artificial stainless steel matt aluminum profile coloring process, include the following steps：
The first step, cleaning；
Second step, caustic corrosion；
Third step neutralizes；
4th step, a nickel plating, one time nickel plating layer thick is less than 0.01mm, the sulfuric acid solution for being 10% using mass concentration
It in the oxide layer of the aluminum profile cleaned and will remove, then cleaned up with clear water；
5th step, chromium plating, the chromic acid for being 20% using mass concentration vibrate electroplate liquid using ultrasonic wave, and right
Electrolyte is heated, and temperature is controlled at 50 DEG C, in the foreign-plated one layer of nitride layer containing chromium of a nickel coating；
6th step, toxicity neutralize, and wash with water aluminum profile, the sodium metabisulfite solution for being then 33% using mass concentration
Nontoxic trivalent chromium is converted by the Cr VI neutralization in nitride layer containing chromium；
7th step, secondary nickel plating, washes with water aluminum profile, plates one layer of nickel, secondary nickel coating again outside nitride layer containing chromium
Thickness be less than 0.02mm, also progress isothermal holding, soaking time are 400 DEG C, and time 1.5h is exported after heat preservation, when output
By the excessive channels of a plurality of heating rings compositions, each heating temperature for heating ring is from one end close to heat-preserving equipment to the other end
It gradually decreases, the temperature close to the heating ring of heat-preserving equipment is 325 DEG C, and the temperature of the heating ring far from heat-preserving equipment one end is 40
℃。
In above-mentioned 4th step, the mass concentration of sulfuric acid solution can also be any between 5% or 15% or 5%~15%
Numerical value；In above-mentioned 5th step, the mass concentration of chromic acid is also possible to any value between 18% or 22% or 18%~22%,
And the temperature of electrolyte can be any value between 40~55 DEG C；In above-mentioned 6th step, the paper of sodium metabisulfite solution
Urine concentration can be any value between 32% or 35% or 32%~35%；In above-mentioned 7th step, soaking time be can be
Any value between 350~450 DEG C, soaking time can be any value between 1.2~1.8h；In above-mentioned 7th step,
Temperature close to the heating ring of heat-preserving equipment is any value between 300~350 DEG C, the heating ring far from heat-preserving equipment one end
Temperature be 30~50 DEG C between any value.
The side that the coloring process of this artificial stainless steel matt aluminum profile passes through a nickel plating, chromium plating, toxicity neutralization, secondary nickel plating
Formula realizes the coloring of aluminum profile, forms the color of artificial stainless steel, and color passes through ultrasonic wave closer to stainless steel
Electroplate liquid is vibrated, the coating of matt is capable of forming, so that the effect of plating is more preferable, and also molten using sodium pyrosulfite
The Cr VI neutralization in nitride layer containing chromium is converted nontoxic trivalent chromium by liquid, is not detrimental to health, and controls the thickness of nickel coating
While being more efficiently realize electroplated layer, cost is reduced, also improves the presentation of surface color, i.e. artificial stainless steel colour
Presentation.
Although specifically showing and describing the present invention in conjunction with preferred embodiment, those skilled in the art should be bright
It is white, it is not departing from the spirit and scope of the present invention defined by the appended claims, it in the form and details can be right
The present invention makes a variety of changes, and is protection scope of the present invention.
Claims (4)
1. a kind of artificial stainless steel matt aluminum profile coloring process, which is characterized in that include the following steps：
The first step, cleaning；
Second step, caustic corrosion；
Third step neutralizes；
4th step, a nickel plating, one time nickel plating layer thick is less than 0.01mm；
5th step, chromium plating, the chromic acid for being 18%~22% using mass concentration vibrate electroplate liquid using ultrasonic wave, and
Electrolyte is heated, temperature is controlled at 40~55 DEG C, in the foreign-plated one layer of nitride layer containing chromium of a nickel coating；
6th step, toxicity neutralize, and wash with water aluminum profile, and the sodium pyrosulfite for being then 32%~35% using mass concentration is molten
The Cr VI neutralization in nitride layer containing chromium is converted nontoxic trivalent chromium by liquid；
7th step, secondary nickel plating, washes with water aluminum profile, plates one layer of nickel, the thickness of secondary nickel coating again outside nitride layer containing chromium
Degree is less than 0.02mm.
2. a kind of artificial stainless steel matt aluminum profile coloring process according to claim 1, it is characterised in that：4th step and the 5th step
Between be also neutralized, the sulfuric acid solution for being 5%~15% using mass concentration is by the oxide layer of the aluminum profile cleaned
Removal is neutralized, then is cleaned up with clear water.
3. a kind of artificial stainless steel matt aluminum profile coloring process according to claim 1, it is characterised in that：It is also carried out after 7th step
Isothermal holding, soaking time are 350~450 DEG C, and the time is 1.2~1.8h.
4. a kind of artificial stainless steel matt aluminum profile coloring process according to claim 3, it is characterised in that：It is exported after heat preservation, it is defeated
By the excessive channels of a plurality of heating rings compositions when out, each heating temperature for heating ring is from one end close to heat-preserving equipment to another
One end gradually decreases, and the temperature close to the heating ring of heat-preserving equipment is 300~350 DEG C, the heating ring far from heat-preserving equipment one end
Temperature be 30~50 DEG C.
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| CN201710137238.2A CN106894066B (en) | 2017-03-09 | 2017-03-09 | A kind of artificial stainless steel matt aluminum profile coloring process |
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| CN201710137238.2A CN106894066B (en) | 2017-03-09 | 2017-03-09 | A kind of artificial stainless steel matt aluminum profile coloring process |
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| CN106894066A CN106894066A (en) | 2017-06-27 |
| CN106894066B true CN106894066B (en) | 2018-11-30 |
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| CN110344037A (en) * | 2018-04-07 | 2019-10-18 | 天津艾普斯工业铝型材股份有限公司 | A kind of aluminium shape surface processing method |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5057929A (en) * | 1973-09-25 | 1975-05-20 | ||
| JPH07316877A (en) * | 1994-05-20 | 1995-12-05 | Suzuki Motor Corp | Plating layer structure of aluminum die casting |
| CN101775593A (en) * | 2010-02-09 | 2010-07-14 | 浙江大学 | Heat treatment method of ultrahard aluminum alloy after chemical nickel-plating |
| CN102560579A (en) * | 2011-12-10 | 2012-07-11 | 中国振华集团永光电子有限公司 | Nickel plating method for silicon-aluminum alloy |
| CN105349971A (en) * | 2015-10-29 | 2016-02-24 | 无锡桥阳机械制造有限公司 | Aluminum alloy surface modification technology |
| CN106119623A (en) * | 2016-07-01 | 2016-11-16 | 宁波东浩铸业有限公司 | A kind of end cover of engine |
-
2017
- 2017-03-09 CN CN201710137238.2A patent/CN106894066B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5057929A (en) * | 1973-09-25 | 1975-05-20 | ||
| JPH07316877A (en) * | 1994-05-20 | 1995-12-05 | Suzuki Motor Corp | Plating layer structure of aluminum die casting |
| CN101775593A (en) * | 2010-02-09 | 2010-07-14 | 浙江大学 | Heat treatment method of ultrahard aluminum alloy after chemical nickel-plating |
| CN102560579A (en) * | 2011-12-10 | 2012-07-11 | 中国振华集团永光电子有限公司 | Nickel plating method for silicon-aluminum alloy |
| CN105349971A (en) * | 2015-10-29 | 2016-02-24 | 无锡桥阳机械制造有限公司 | Aluminum alloy surface modification technology |
| CN106119623A (en) * | 2016-07-01 | 2016-11-16 | 宁波东浩铸业有限公司 | A kind of end cover of engine |
Non-Patent Citations (3)
| Title |
|---|
| "电镀重金属离子混合废水处理工艺（气浮法）";章贤昌;《电镀与涂饰》;19871001(第3期);29-31 * |
| "铝及铝合金零件的镀镍";王秀丽等;《航天工艺》;19950417(第2期);40-41 * |
| "铸铝件装饰性镀铬";高建勋;《电镀与环保》;19950130;第15卷(第1期);35-36 * |
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