CN105779920B - A kind of hot dip zinc strontium intermediate alloy, preparation method and its application - Google Patents
A kind of hot dip zinc strontium intermediate alloy, preparation method and its application Download PDFInfo
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- CN105779920B CN105779920B CN201610212938.9A CN201610212938A CN105779920B CN 105779920 B CN105779920 B CN 105779920B CN 201610212938 A CN201610212938 A CN 201610212938A CN 105779920 B CN105779920 B CN 105779920B
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- zinc
- strontium
- hot dip
- intermediate alloy
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- 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
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
- C23C2/04—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor characterised by the coating material
- C23C2/06—Zinc or cadmium or alloys based thereon
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C1/00—Making non-ferrous alloys
- C22C1/02—Making non-ferrous alloys by melting
- C22C1/03—Making non-ferrous alloys by melting using master alloys
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C24/00—Alloys based on an alkali or an alkaline earth metal
Abstract
The invention discloses a kind of hot dip zinc strontium intermediate alloy, preparation method and its applications.Hot dip zinc strontium intermediate alloy, including zinc 25 30% and strontium 70 75%, the percentage are mass percent.Hot dip of the present invention solves the defects of zinc-plated existing zinc consumption is big, of high cost in the prior art with zinc strontium intermediate alloy；Suitable zinc strontium alloy is added during hot dip, intermetallic compound C phases, D phases, the F phases of siliceous steel material can be refined, to inhibit intermetallic compound C phases, D phases, F phases to mushroom out；And the surface of gained coating is smooth, thickness is uniform, strong adhesive force.
Description
Technical field
The present invention relates to a kind of hot dip zinc strontium intermediate alloy, preparation method and its applications, belong to field of inorganic materials.
Background technology
Steel is the metal material that yield is maximum, application range is most wide in the world, it possesses many excellent performances, but also has
Some weakness, wherein most outstanding can be corroded by humid air in low temperature, it at high temperature can be by the oxygen oxygen in air
Change.According to incompletely statistics, steel material every year due to corrosion caused by loss account for 1/10th of total growth.Therefore, steel
Anticorrosion Problems it is particularly significant, being people must solve the problems, such as.
For a long time, people have studied carries out various metal surface coating and various organic coatings on base steel parts
Technology, wherein most widely used with temperature zinc layers anticorrosion.Galvanizing is generally carried out in 450e or so, obtains grey coating, coating
Tissue is followed successively by alloy-layer C phases (very thin and cannot differentiate), D phases (FeZn), F phases (FeZn13) and free layer G phases by base steel.
The generation of intermetallic compound makes coating with matrix in metallurgical binding, adhesion-tight.Zinc coating has preferable corrosion resistance
Energy.On the one hand it is that matrix and the corrosive environment of surrounding has been isolated since coating is as barrier layer；On the other hand, zinc coat can be made
For sacrificial anode, electrochemical protection effect is generated to steel matrix.But due to the formation of intermetallic compound C phase, D phases, F phases
Audient's multifactor impact, in some conditions, they can be mushroomed out (especially to siliceous steel material), to influence most
Whole product quality；With the fast development of society, the demand of galvanizing is also increasing, and the output of zinc ingot metal cannot be with
Galvanizing output synchronized development causes zinc ingot metal to be unable to meet demand, while with the development of science and technology and modern industry, right
In the apparent glossiness of hot-dip galvanizing sheet steel, more stringent requirements are proposed for mechanical strength, the thickness of coating and performance etc..
Invention content
In order to solve the defects of zinc-plated existing zinc consumption is big, of high cost in the prior art, the present invention provides a kind of hot dip use
Zinc strontium intermediate alloy, preparation method and its application.
In order to solve the above technical problems, the technical solution adopted in the present invention is as follows：
A kind of hot dip zinc strontium intermediate alloy, it is characterised in that：Including zinc 25-30% and strontium 70-75%, the percentage
For mass percent.
Applicant it has been investigated that, suitable above-mentioned zinc strontium intermediate alloy, the strontium of heat galvanizing liquid are added during hot dip
Salt and CO2The generated carbonate of reaction produces the corrosion products film of indissoluble together with the corrosion product basic zinc carbonate of zinc coat
It is covered in zinc layers surface, to play better protective action to steel.
Above-mentioned hot dip with zinc strontium intermediate alloy by zinc ingot metal and Preparation of Metallic Strontium after high temperature melting, alloying reaction, casting and
At.
In order to further increase the protection effect to steel, above-mentioned zinc ingot metal is Zn99.95 zinc ingot metals, Preparation of Metallic Strontium Sr99.5.
In order to further ensure the protection effect to steel, the preparation method of above-mentioned hot dip zinc strontium intermediate alloy, including it is suitable
The following steps that sequence connects：
A, by zinc ingot metal and Preparation of Metallic Strontium while the fusing that feeds intake, argon gas protection is opened, when fusion temperature is to 640-700 DEG C, is increased
Air blowing is added to stir；
B, it blows after stirring 5-10min, is naturally cooling to 590-630 DEG C, slagging-off after slagging-off, is cooled to 550-580
It DEG C is poured into mold, solidifies to get hot dip zinc strontium intermediate alloy.
Above-mentioned preparation method whole process is all preferably by argon gas as protective gas.
In order to further ensure the comprehensive performance of products obtained therefrom, it is preferable that gases used stirring of blowing in step A is argon gas,
Pressure is 0.01-0.03MPa；The temperature of mold is 100-250 DEG C before pouring.
The application hot dip can be used as the additive of hot-dip galvanized alloy with zinc strontium intermediate alloy.In use, by the application zinc strontium
Intermediate alloy directly adds to be melted in the plating solution, and additive amount is that the content of strontium in plating solution is 0.065-0.075% after adding.
The unmentioned technology of the present invention is with reference to the prior art.
Hot dip of the present invention solves zinc-plated existing zinc in the prior art with zinc strontium intermediate alloy and consumes big, of high cost etc. lack
It falls into；Suitable zinc strontium alloy is added during hot dip, it can be to intermetallic compound C phases, D phases, the F phases of siliceous steel material
It is refined, to inhibit intermetallic compound C phases, D phases, F phases to mushroom out；And the surface of gained coating is smooth, thickness
Uniformly, strong adhesive force.
Description of the drawings
Fig. 1 is the preparation technology flow chart of the application hot dip zinc strontium intermediate alloy.
Specific implementation mode
For a better understanding of the present invention, with reference to the embodiment content that the present invention is furture elucidated, but the present invention
Content is not limited solely to the following examples.
Embodiment 1
A kind of hot dip zinc strontium intermediate alloy, it is characterised in that：Including zinc 25% and strontium 75%, the percentage is quality
Percentage.
The preparation method of above-mentioned hot dip zinc strontium intermediate alloy, it is anti-by high temperature melting, alloying by zinc ingot metal and Preparation of Metallic Strontium
Ying Hou casts, and zinc ingot metal is Zn99.95 zinc ingot metals, and Preparation of Metallic Strontium Sr99.5, specifically preparation includes following step connected in order
Suddenly：
A, by zinc ingot metal and Preparation of Metallic Strontium while the fusing that feeds intake, argon gas protection is opened, when fusion temperature is to 680 DEG C, increase is blown
Gas agitating, gases used stirring of blowing is argon gas, pressure 0.02MPa；
B, it blows after stirring 8min, is naturally cooling to 600 DEG C, slagging-off after slagging-off, is cooled to 560 DEG C and is poured into casting
In mould, solidification to get hot dip zinc strontium intermediate alloy, pour before mold temperature be 200 DEG C.
Above-mentioned hot dip is with the specifically used method of zinc strontium intermediate alloy：Additive as hot-dip galvanized alloy is added in zinc
In plating solution, the mass content of the strontium after addition in plating solution is 0.070%, and on plating piece surface, hot dip forms coating.
Plating piece specification in 1 embodiment 1 of table
| Plating piece title | Plating piece specification (long * wide) | Quantity |
| Band iron | 40*6cm | 10 |
| Band iron | 40*4cm | 10 |
| Band iron | 40*2cm | 10 |
| Band iron | 40*1cm | 10 |
2 embodiment of table, 1 gained coating performance
Embodiment 2
A kind of hot dip zinc strontium intermediate alloy, it is characterised in that：Including zinc 30% and strontium 70%, the percentage is quality
Percentage.
The preparation method of above-mentioned hot dip zinc strontium intermediate alloy, it is anti-by high temperature melting, alloying by zinc ingot metal and Preparation of Metallic Strontium
Ying Hou casts, and zinc ingot metal is Zn99.95 zinc ingot metals, and Preparation of Metallic Strontium Sr99.5, specifically preparation includes following step connected in order
Suddenly：
A, by zinc ingot metal and Preparation of Metallic Strontium while the fusing that feeds intake, argon gas protection is opened, when fusion temperature is to 700 DEG C, increase is blown
Gas agitating, gases used stirring of blowing is argon gas, pressure 0.03MPa；
B, it blows after stirring 10min, is naturally cooling to 630 DEG C, slagging-off after slagging-off, is cooled to 580 DEG C and is poured into casting
In mould, solidification to get hot dip zinc strontium intermediate alloy, pour before mold temperature be 250 DEG C.
Above-mentioned hot dip is with the specifically used method of zinc strontium intermediate alloy：Additive as hot-dip galvanized alloy is added in zinc
In plating solution, the mass content of the strontium after addition in plating solution is 0.065%, and on plating piece surface, hot dip forms coating.
Plating piece specification in 3 embodiment 2 of table
| Plating piece title | Plating piece specification (long * wide) | Quantity |
| Band iron | 40*6cm | 10 |
| Band iron | 40*4cm | 10 |
| Band iron | 40*2cm | 10 |
| Band iron | 40*1cm | 10 |
4 embodiment of table, 2 gained coating performance
Claims (6)
1. a kind of hot dip application of zinc strontium intermediate alloy, it is characterised in that：Hot dip zinc strontium intermediate alloy, by zinc 25-30%
It is formed with strontium 70-75%, the percentage is mass percent, and hot dip uses zinc strontium intermediate alloy as the addition of hot-dip galvanized alloy
Agent；The mass content of strontium is 0.065-0.075% in plating solution.
2. application as described in claim 1, it is characterised in that：Hot dip is with zinc strontium intermediate alloy by zinc ingot metal and Preparation of Metallic Strontium through excessively high
After temperature fusing, alloying reaction, cast.
3. application as claimed in claim 2, it is characterised in that：Zinc ingot metal is Zn99.95 zinc ingot metals, Preparation of Metallic Strontium Sr99.5.
4. application as claimed in claim 2, it is characterised in that：The preparation method of hot dip zinc strontium intermediate alloy includes sequence phase
The following steps connect：
A, by zinc ingot metal and Preparation of Metallic Strontium while the fusing that feeds intake, argon gas protection is opened, when fusion temperature is to 640-700 DEG C, increase is blown
Gas agitating；
B, it blows after stirring 5-10min, is naturally cooling to 590-630 DEG C, slagging-off after slagging-off, is cooled to 550-580 DEG C and pours
It injects in mold, solidification is to get hot dip zinc strontium intermediate alloy.
5. application as claimed in claim 4, it is characterised in that：Gases used stirring of blowing in step A is argon gas, and pressure is
0.01-0.03MPa。
6. application as described in claim 4 or 5, it is characterised in that：The temperature of mold is 100-250 DEG C before cast.
Priority Applications (1)
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| CN201610212938.9A CN105779920B (en) | 2016-04-07 | 2016-04-07 | A kind of hot dip zinc strontium intermediate alloy, preparation method and its application |
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| CN201610212938.9A CN105779920B (en) | 2016-04-07 | 2016-04-07 | A kind of hot dip zinc strontium intermediate alloy, preparation method and its application |
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| CN105779920B true CN105779920B (en) | 2018-10-09 |
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Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7238431B2 (en) * | 2002-03-08 | 2007-07-03 | Nippon Steel Corporation | Highly corrosion-resistant hot dip plated steel material excellent in surface smoothness |
| CN102330043B (en) * | 2011-08-03 | 2013-03-13 | 马鞍山鼎泰稀土新材料股份有限公司 | Steel wire hot dipping rare earth zinc alloy and hot dipping method |
| CN102409190A (en) * | 2011-11-23 | 2012-04-11 | 重庆理工大学 | Method for refining magnesium alloy grains by using Zn-Sr intermediate alloy |
| CN102965606B (en) * | 2012-11-20 | 2016-02-03 | 江苏高博智融科技有限公司 | A kind of aluminium zinc for galvanizing |
| CN102965544A (en) * | 2012-11-20 | 2013-03-13 | 无锡常安通用金属制品有限公司 | Zinc base alloy used for hot galvanizing on steel wire |
| CN104195368B (en) * | 2014-08-21 | 2016-09-21 | 北京大学 | A kind of Zn-Sr system kirsite and preparation method and application |
| CN104593649A (en) * | 2015-01-04 | 2015-05-06 | 安徽东茂合金材料科技有限公司 | Aluminum-zinc-silicon-strontium-rare earth alloy ingot for continuous hot dipping and manufacturing method of aluminum-zinc-silicon-strontium-rare earth alloy ingot |
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2016
- 2016-04-07 CN CN201610212938.9A patent/CN105779920B/en active Active
Non-Patent Citations (1)
| Title |
|---|
| nfluence of strontium on electrochemical corrosion behavior of hot-dip galvanized coating;S.T. Vagge等;《Surface & Coatings Technology》;20091231;第203 卷;第3092–3098页 * |
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Effective date of registration: 20220802 Address after: 252100 No. 1, Xinfa Road, Xinfa street, Chiping District, Liaocheng City, Shandong Province Patentee after: Shandong Yunxin Aluminum Technology Co.,Ltd. Address before: 211224 Yun Hai Road, crystal bridge, Lishui District, Nanjing, Jiangsu Patentee before: NANJING YUNKAI ALLOY CO.,LTD. |