CN108396194A - New zinc magnesium-based galvanizing by dipping peel Mg-Sn-Nb kirsites - Google Patents
New zinc magnesium-based galvanizing by dipping peel Mg-Sn-Nb kirsites Download PDFInfo
- Publication number
- CN108396194A CN108396194A CN201810487108.6A CN201810487108A CN108396194A CN 108396194 A CN108396194 A CN 108396194A CN 201810487108 A CN201810487108 A CN 201810487108A CN 108396194 A CN108396194 A CN 108396194A
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- China
- Prior art keywords
- dipping
- galvanizing
- alloy
- zinc
- kirsites
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- 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
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C18/00—Alloys based on zinc
-
- 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
- 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
- C23C2/34—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor characterised by the shape of the material to be treated
- C23C2/36—Elongated material
- C23C2/40—Plates; Strips
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Coating With Molten Metal (AREA)
Abstract
The invention discloses new zinc magnesium-based galvanizing by dipping peel Mg Sn Nb kirsites and its processing technology.According to weight percent, the ingredient of the alloy is：Mg:6.0‑9.0wt.%,Y:0.2‑0.4wt.%,Sn:1.8‑2.0wt.%,Ni:0.8‑1.0wt.%,Nb:0.3‑0.4wt.%,Mo:0.1 0.2wt.%, surplus are zinc.The material can be used for the galvanizing by dipping of steel plate at 320 340 degree, and obtain excellent corrosion resistance.For promoting the industrialization process and adjustment metallurgical industry structure in China, will be of great significance.
Description
Technical field
The present invention relates to technical field of alloy, specifically, being related to a kind of kirsite.
Background technology
The loss that the corrosion of metal material is brought to national economy is very surprising.According to statistics, in the world every year due to corrosion
The weight of the metal product of failure is approximately equivalent to the one third of metal annual output.In the Great Britain and USA of industry prosperity, because of corrosion
Caused by economic loss account for about the 4% of total value of production in national economy.Since the safeguard procedures implementation of steel is unfavorable, corrosion causes in China
Loss proportion bigger.It is most basic, widest in current steel anti-corrosive etching method in the world to implement hot dip galvanizing process
One of method.By hot dip galvanizing process in one layer of zinc coat of steel product Surface Creation, utilization is very fine and close and corrosion resistant
Perishable steel matrix and extraneous electrolyte are effectively kept apart, make workpiece from the corrosion of extraneous electrolyte by zinc layers.
Since the standard electrode potential of zinc is defeated by iron, zinc coat has galvanic anode protection in water and wet air
The effect for protecting base steel, so as to greatly extend the service life of steel.Industrially common zinc coat have galvanizing by dipping,
Electrogalvanizing, mechanical zinc-plating and thermal spraying（Plating）Zinc etc., wherein galvanizing account for about the 95% of zinc-plated total amount, and galvanizing is alive with zinc amount
The 40% of zinc yield is accounted within the scope of boundary, accounts for about 30% or so of zinc yield in China.
Galvanizing by dipping is to delay one of most effective means of steel material environmental corrosion, it is surface is cleaned, activation
Steel product afterwards is dipped in the zinc liquid of melting, by the reaction and diffusion between iron zinc, is adhered in steel product coating surface
The good zn alloy coating of property.In general, the technique of galvanizing by dipping can be expressed as：Leaching zinc part inspection-oil removing-acidity is removed
Rust-leaching solvent-drying-leaching zinc-cold water exposure-passivation-cleaning-trimming-inspection-packing-storage.With other metal protection methods
Compare, hot-dip galvanizing technique coating physical barriers in the protection feature that electrochemical protection is combined, coating and matrix
In bond strength, the compactness of coating, durability, maintenance-free and economy and its adaptability to article shape and size
On, there is unrivaled advantage.
Hot dip galvanized product mainly has steel plate, steel band, steel wire, steel pipe etc., wherein hot-dip galvanized steel sheet proportion at present
It is maximum.For a long time, hot-dip galvanizing technique is received because of its cheap plating cost, excellent protection feature and beautiful appearance
The favor of people, be widely used in automobile, building, household electrical appliances, chemical industry, machinery, oil, metallurgy, light industry, traffic, electric power, aviation and
The fields such as ocean engineering.
21st century, steel products will be human society most important irreplaceable structural material and yield most
Greatly, the most wide functional material of covering surface.Metallurgical industry structural adjustment paces in the world's are accelerated, the center of gravity of production will from developed country to
Developing country shifts.China is in process of industrialization at present, lasting, the fast-developing and industry of each department of national economy
More stringent requirements are proposed for kind, quality of the upgrading to galvanizing by dipping steel products.Accelerate the structure tune of China's metallurgical industry
It is whole, it will be of great significance.
Seek the key that better design of material method becomes in solution hot-dip galvanized steel sheet application study and industrialization to ask
One of topic.In addition, it is also to solve galvanizing by dipping alloy weight in galvanizing by dipping production process to be designed by advanced materialogy
One of the solution direction of big problem.Alloying Design method is to select and add suitable alloying element in hot dip galvanized zinc alloy
To influence the alloy in galvanizing by dipping and subsequent use process.Thus, the type of various elements how is balanced in kirsite
And content, it is current galvanizing by dipping alloy field urgent problem to be solved.Such alloy industrialization can obtain great warp
Ji and social benefit.In the near future, as more engineer application fields are expanded, such novel alloy will be in more warm
It is used widely in zinc immersion.
Invention content
The purpose of the present invention is to overcome the deficiency in the prior art, and providing one kind can make under 320-340 degree atmospheric conditions
New zinc magnesium-based galvanizing by dipping peel Mg-Sn-Nb kirsites.
To achieve the goals above, the present invention adopts the following technical scheme that：
A kind of new zinc magnesium-based galvanizing by dipping peel Mg-Sn-Nb kirsites.By weight percentage, the group of alloy becomes：
Mg:6.0-9.0wt.%,Y:0.2-0.4wt.%,Sn:1.8-2.0wt.%,Ni:0.8-1.0wt.%,Nb:0.3-0.4wt.%,Mo:
0.1-0.2wt.%, surplus are zinc.The kirsite is in fusion process because the weight for volatilizing and forming the reasons such as clinker and losing exists
1.0-2.0wt.% or so.
The above-mentioned new zinc magnesium-based galvanizing by dipping preparation method of peel Mg-Sn-Nb kirsites, includes the following steps：
As above the raw material matched is added in the electric induction furnace of argon gas protection, and uses silicon carbide crucible；The raw material that will as above match
It is added in the electric induction furnace of atmosphere protection, and uses silicon carbide crucible；Sensing heating forms alloy solution to 500-600 degree,
And it is sufficiently stirred 10 minutes or so using electromagnetic agitation effect；Alloy liquid is stood in the heat preservation of 500-600 degree and is poured after ten minutes
It casts onto in the same level equipment of heat top and carries out semi-continuous casting into required billet, it is 5-8m/min that ingot casting, which moves down speed,.The casting
Ingot can regard thin plate galvanizing by dipping of the galvanizing by dipping raw material for subsequent handling and handle, and the operating temperature of wherein galvanizing by dipping is
320-340 degree, hot dipping time are 10-15 seconds.
Compared with prior art, the present invention has the advantages that：
（1）Galvanizing covering power is good, plated layer compact, and no organic matter is mingled with, and corrosion once, also have it is certain from
More ability, this is that the selfreparing of zinc coat plays a protective role again to matrix.But with atmospheric environment, coastal salt fog and change
Work Acid Rain Zone corrosive environment situation is increasingly sharpened, and eroded elements concentration gradually increases in environment, and zinc layers selfreparing rate is less than heat
There is corrosion failure situation in the corrosion failure rate of zinc coat, zinc layers.In the harsher region of environmental condition, this destruction is made
With remaining serious, certain areas even 5-10 hot dips zinc product just must be replaced or be safeguarded.This patent is to current hot-dip
Zinc product corrosion resistance present situation in urgent need to be improved provides a kind of solution of materialogy.
（2）The new zinc alloy has extremely excellent resistance to volatilization and oxidation resistent susceptibility.In galvanizing by dipping industrial production,
For the alloy when being exposed in air, alloy surface can generate one layer of oxide and nitride film.These membrane structures are fine and close, sprawl
Property it is strong, excellent protection can be provided, prevent kirsite melt it is further oxidation and evaporation.Generally speaking, using this patent
Alloy, zinc is since the non-normal consumption for aoxidizing and volatilizing can maintain 3-5wt.% or so for a long time, and general hot-dip
The zinc non-normal consumption amount of zinc can reach 40wt.%.
（3）The material is 320-340 degree for the temperature of the galvanizing by dipping of thin plate, and the hot dipping time is 10-15 seconds.It compares
For, traditional galvanizing by dipping temperature is 360-450 degree, and the hot dipping time is 30-60 seconds.Due to reducing hot dipping temperature and hot dipping
Time.From energy saving and for reducing cost, the effect of this patent is apparent.
（4）Galvanizing coating binding force is tested using coating adhesion scratch test machine, the horizontal sliding speed of pressure head 4
Mm/min vertical loads loading velocities are 100 N/min.The dip galvanized load of the material preparation is plated when reaching 92 N
Layer is scratched completely, and coating is scratched when traditional hot galvanized layer load reaches 70N.As it can be seen that the novel hot-dip is zinc-plated to use alloy
Coating bonding state with steel matrix is obviously improved, and can slow down crack growth rate when by plus load, to carry
The binding force at high interface.In addition, the novel coating interior tissue is dense, the continuous of coating each region performance ensure that
Property.The defects of no plating leakage, list edge zinc thorn.
（5）The deformation that galvanizing by dipping plank can undergo 30-60% in subsequent pressure processing is apparent without occurring
It falls off.Thus, which also has outstanding deformation plasticity other than with extremely excellent bond strength.It is contemplated that should
The industrialization of class alloy can obtain great economic and social benefit.In the near future, with more engineer application fields
It expands, such novel alloy will be used widely in more galvanizings by dipping.
Specific implementation mode
Embodiment 1
One kind using new zinc magnesium-based galvanizing by dipping peel Mg-Sn-Nb kirsites in 320-340 degree.By weight percentage
Meter, the chemical composition of alloy are：Mg:6.0wt.%,Y:0.2wt.%,Sn:1.8wt.%,Ni:0.8wt.%,Nb:0.3wt.%,Mo:
0.1wt.%, surplus are zinc.The preparation method of alloy：As above the raw material matched is added in the electric induction furnace of argon gas protection, and
Using silicon carbide crucible；As above the raw material matched is added in the electric induction furnace of atmosphere protection, and uses silicon carbide crucible；Sense
It should be heated to 500-600 degree and form alloy solution, and be sufficiently stirred 10 minutes or so using electromagnetic agitation effect；By alloy liquid
It stands to be cast to after ten minutes in the same level equipment of heat top in the heat preservation of 500-600 degree and carries out semi-continuous casting into required circle
Ingot, it is 5-8m/min that ingot casting, which moves down speed,.The ingot casting can regard the thin plate hot-dip that galvanizing by dipping raw material is used for subsequent handling
Zinc processing, the wherein operating temperature of galvanizing by dipping are 320-340 degree, and the hot dipping time is 10-15 seconds.
This patent present situation in urgent need to be improved to current hot dip galvanized product corrosion resistance provides a kind of solution of materialogy
Certainly scheme.The new zinc alloy has extremely excellent resistance to volatilization and oxidation resistent susceptibility.In galvanizing by dipping industrial production, the conjunction
For gold when being exposed in air, alloy surface can generate one layer of oxide and nitride film.These membrane structures are fine and close, spreadability
By force, excellent protection can be provided, the further oxidation and evaporation of kirsite melt are prevented.Generally speaking, using this patent
Alloy, zinc is since the non-normal consumption for aoxidizing and volatilizing can maintain 3-5wt.% or so for a long time, and general galvanizing by dipping
Zinc non-normal consumption amount can reach 40wt.%.Due to reducing hot dipping temperature and hot dipping time.From energy saving and reduce cost
For, the effect of this patent is apparent.Galvanizing by dipping plank can undergo the deformation of 30-60% in subsequent pressure processing
Without occurring significantly to fall off.Thus, which also has outstanding deformation other than with extremely excellent bond strength
Plasticity.
Embodiment 2
One kind using new zinc magnesium-based galvanizing by dipping peel Mg-Sn-Nb kirsites in 320-340 degree.By weight percentage
Meter, the chemical composition of alloy are：Mg:9.0wt.%,Y:0.4wt.%,Sn:2.0wt.%,Ni:1.0wt.%,Nb:0.4wt.%,Mo:
0.2wt.%, surplus are zinc.The preparation method of alloy：As above the raw material matched is added in the electric induction furnace of argon gas protection, and
Using silicon carbide crucible；As above the raw material matched is added in the electric induction furnace of atmosphere protection, and uses silicon carbide crucible；Sense
It should be heated to 500-600 degree and form alloy solution, and be sufficiently stirred 10 minutes or so using electromagnetic agitation effect；By alloy liquid
It stands to be cast to after ten minutes in the same level equipment of heat top in the heat preservation of 500-600 degree and carries out semi-continuous casting into required circle
Ingot, it is 5-8m/min that ingot casting, which moves down speed,.The ingot casting can regard the thin plate hot-dip that galvanizing by dipping raw material is used for subsequent handling
Zinc processing, the wherein operating temperature of galvanizing by dipping are 320-340 degree, and the hot dipping time is 10-15 seconds.
This patent present situation in urgent need to be improved to current hot dip galvanized product corrosion resistance provides a kind of solution of materialogy
Certainly scheme.The new zinc alloy has extremely excellent resistance to volatilization and oxidation resistent susceptibility.In galvanizing by dipping industrial production, the conjunction
For gold when being exposed in air, alloy surface can generate one layer of oxide and nitride film.These membrane structures are fine and close, spreadability
By force, excellent protection can be provided, the further oxidation and evaporation of kirsite melt are prevented.Generally speaking, using this patent
Alloy, zinc is since the non-normal consumption for aoxidizing and volatilizing can maintain 3-5wt.% or so for a long time, and general galvanizing by dipping
Zinc non-normal consumption amount can reach 40wt.%.Due to reducing hot dipping temperature and hot dipping time.From energy saving and reduce cost
For, the effect of this patent is apparent.Galvanizing by dipping plank can undergo the deformation of 30-60% in subsequent pressure processing
Without occurring significantly to fall off.Thus, which also has outstanding deformation other than with extremely excellent bond strength
Plasticity.
Embodiment 3
One kind using new zinc magnesium-based galvanizing by dipping peel Mg-Sn-Nb kirsites in 320-340 degree.By weight percentage
Meter, the chemical composition of alloy are：Mg:6.5wt.%,Y:0.3wt.%,Sn:1.8wt.%,Ni:0.8wt.%,Nb:0.3wt.%,Mo:
0.1wt.%, surplus are zinc.The preparation method of alloy：As above the raw material matched is added in the electric induction furnace of argon gas protection, and
Using silicon carbide crucible；As above the raw material matched is added in the electric induction furnace of atmosphere protection, and uses silicon carbide crucible；Sense
It should be heated to 500-600 degree and form alloy solution, and be sufficiently stirred 10 minutes or so using electromagnetic agitation effect；By alloy liquid
It stands to be cast to after ten minutes in the same level equipment of heat top in the heat preservation of 500-600 degree and carries out semi-continuous casting into required circle
Ingot, it is 5-8m/min that ingot casting, which moves down speed,.The ingot casting can regard the thin plate hot-dip that galvanizing by dipping raw material is used for subsequent handling
Zinc processing, the wherein operating temperature of galvanizing by dipping are 320-340 degree, and the hot dipping time is 10-15 seconds.
This patent present situation in urgent need to be improved to current hot dip galvanized product corrosion resistance provides a kind of solution of materialogy
Certainly scheme.The new zinc alloy has extremely excellent resistance to volatilization and oxidation resistent susceptibility.In galvanizing by dipping industrial production, the conjunction
For gold when being exposed in air, alloy surface can generate one layer of oxide and nitride film.These membrane structures are fine and close, spreadability
By force, excellent protection can be provided, the further oxidation and evaporation of kirsite melt are prevented.Generally speaking, using this patent
Alloy, zinc is since the non-normal consumption for aoxidizing and volatilizing can maintain 3-5wt.% or so for a long time, and general galvanizing by dipping
Zinc non-normal consumption amount can reach 40wt.%.Due to reducing hot dipping temperature and hot dipping time.From energy saving and reduce cost
For, the effect of this patent is apparent.Galvanizing by dipping plank can undergo the deformation of 30-60% in subsequent pressure processing
Without occurring significantly to fall off.Thus, which also has outstanding deformation other than with extremely excellent bond strength
Plasticity.
Claims (3)
1. a kind of new zinc magnesium-based galvanizing by dipping peel Mg-Sn-Nb kirsites；According to weight percent, the alloy at
It is divided into:
Mg:6.0-9.0wt.%,Y:0.2-0.4wt.%,Sn:1.8-2.0wt.%,Ni:0.8-1.0wt.%,Nb:0.3-
0.4wt.%,Mo:0.1-0.2wt.%, surplus are zinc.
2. new zinc magnesium-based galvanizing by dipping peel Mg-Sn-Nb kirsites according to claim 1, it is characterised in that packet
Include following steps：As above the raw material matched is added in the electric induction furnace of atmosphere protection, and uses silicon carbide crucible；Induction adds
Heat forms alloy solution to 500-600 degree, and is sufficiently stirred 10 minutes or so using electromagnetic agitation effect；Alloy liquid is existed
The heat preservation of 500-600 degree, which stands to be cast to after ten minutes in the same level equipment of heat top, carries out semi-continuous casting into required billet,
It is 5-8m/min that ingot casting, which moves down speed,.
3. new zinc magnesium-based galvanizing by dipping peel Mg-Sn-Nb kirsites according to claim 1, it is characterised in that packet
Containing following procedure of processing：The ingot casting can regard steel plate galvanizing by dipping of the galvanizing by dipping raw material for subsequent handling and handle, wherein
The operating temperature of galvanizing by dipping is 320-340 degree, and the hot dipping time is 10-15 seconds.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810487108.6A CN108396194A (en) | 2018-05-21 | 2018-05-21 | New zinc magnesium-based galvanizing by dipping peel Mg-Sn-Nb kirsites |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810487108.6A CN108396194A (en) | 2018-05-21 | 2018-05-21 | New zinc magnesium-based galvanizing by dipping peel Mg-Sn-Nb kirsites |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108396194A true CN108396194A (en) | 2018-08-14 |
Family
ID=63102283
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810487108.6A Withdrawn CN108396194A (en) | 2018-05-21 | 2018-05-21 | New zinc magnesium-based galvanizing by dipping peel Mg-Sn-Nb kirsites |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108396194A (en) |
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2018
- 2018-05-21 CN CN201810487108.6A patent/CN108396194A/en not_active Withdrawn
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Application publication date: 20180814 |