CN108315589A - Low activity Si steel galvanizing by dipping spends kirsite containing Re with no zinc - Google Patents
Low activity Si steel galvanizing by dipping spends kirsite containing Re with no zinc Download PDFInfo
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- CN108315589A CN108315589A CN201810428074.3A CN201810428074A CN108315589A CN 108315589 A CN108315589 A CN 108315589A CN 201810428074 A CN201810428074 A CN 201810428074A CN 108315589 A CN108315589 A CN 108315589A
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- zinc
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- galvanizing
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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
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- 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
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- Engineering & Computer Science (AREA)
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- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Coating With Molten Metal (AREA)
Abstract
The invention discloses the no zinc of low activity steel containing Si galvanizing by dipping to spend kirsite containing Re and its processing technology.According to weight percent, the ingredient of the alloy is：Li：1.2‑1.8wt.%,Nb:0.4‑0.8wt.%,Ge:2.0‑3.0wt.%,Re：0.5 0.8wt.%, Sc:1.0‑1.5wt.%,Ce:0.2 0.6wt.%, surplus are zinc.Zinc coat obtained by the galvanizing by dipping alloy not only has the mechanical property of common nonactive steel surface zinc coat, can also eliminate the generation of zinc flower.In addition, the characteristics of also having production cost low, being convenient for large-scale production.
Description
Technical field
The present invention relates to technical field of alloy, specifically, being related to a kind of kirsite.
Background technology
As is well known, every field of the etching problem of metal material in national economy and people's lives.Corrode to
The mankind have brought tremendous economic losses and endanger.According to incompletely statistics, the metal that the whole world is lost by corrosion every year is up to
2.3 hundred million tons, this number accounts for about 30% or so of current year output of steel.According to the statistics of developed country, the economic loss caused by corrosion
Account for about the 1-5% of current year gross national product.
The metal erosion problem in China is also quite serious, and the economic loss caused by corrosion accounts for about national economy life every year
The 4% of total value is produced, and the indirect loss brought by corrosion is even more to be difficult to estimate.For a long time, people are seeking always various methods
Reduce the harm of corrosion.Since corrosion begins with metal surface, had become so carrying out surface using surface engineering technology and being modified
One of most active Disciplinary Frontiers of material science.Steel surface is modified, can be imitated with extending steel service life, improving economy
Benefit and social benefit.
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.Compared with other metal protection methods, physical barriers and electrification of the hot-dip galvanizing technique in coating
It learns in the protection feature that is combined of protection, in the bond strength of coating and matrix, the compactness of coating, durability, maintenance-free
In adaptability with economy and its to article shape and size, there is unrivaled advantage.Hot dip galvanized product master at present
There are steel plate, steel band, steel wire, steel pipe etc., wherein hot-dip galvanized steel sheet proportion maximum.For a long time, hot-dip galvanizing technique
Because of its cheap plating cost, excellent protection feature and beautiful appearance and the favor for receiving people, be widely used in automobile,
The fields such as building, household electrical appliances, chemical industry, machinery, oil, metallurgy, light industry, traffic, electric power, aviation and ocean engineering.
The quality of galvanizing is related with many factors, includes the chemical composition of steel part, the alloying component of zinc bath, zinc-plated temperature
Degree, operating procedure etc..For the chemical composition of steel part, influence of the silicon content to zinc coat in steel is maximum.In general, working as
When silicon content in steel is more than 0.3wt.%, zinc coat significantly thickens and surface is gloomy, and poor adhesion, zinc coating quality significantly drops
Low this kind of steel of is known as active steel the galvanizing industry more.Wherein, silicon content is known as low activity in the steel of 0.3-0.8wt.% and contains Si
Steel.There is the crystallization decorative pattern of coated metal in solidification in the hot-dip coated surface of active steel, and this crystallization decorative pattern is to galvanized sheet
It is particularly evident, the appearance of beautiful zinc crystallization is showed, thus as the important feature of heat zinc coating plate appearance, commonly referred to as this is crystallized
Decorative pattern is spent for zinc.This zinc-plated plate surface liquid Zn forms beautiful zinc flower after crystallisation by cooling, and as the spy of galvanized sheet
Different mark, is widely used in building trade.But when hot-dip galvanizing sheet steel progress application, surface relief injustice exists caused by zinc is spent
It is still high-visible after japanning, to affect the surface quality of product, limit the application of normal zinc flower hot-galvanized steel plate.
In order to solve the problems, such as the zinc coating quality of active steel, develop a variety of galvanizing techniques, such as sealer galvannealing,
Zinc-plated side of high temperature etc..But it needs periodically to supplement admiro into zinc bath using these methods, and cadmia in zinc bath can be made to increase,
In addition the technology is only effective less than 0.25% active steel to silicon content.When silicone content higher（Such as 0.3-0.8wt.%）, this
A little methods are just inevitably affected by various factors.In recent years, the Galvanco that Belgium and Canada Company propose
Alloy can comprehensively solve activity galvanizing steel problem, and applied in some European countries, but the cost of alloy is very high, and
The tendency for enabling plating piece deformation even cracking is serious, waits to be further improved.In addition, also having using first in active steel surface formation one
Then layer barrier layer carries out galvanizing to reduce or delay influence of the silicon to zinc coat in steel.But chemically coated nickel method need to be in higher temperatures
Degree is lower to carry out, and plating solution maintenance is more difficult.
This patent provides a kind of low activity Si steel galvanizing by dipping kirsite.By controlling the content of lithium and adding simultaneously
Trace element is harmful to the formation and roughening of alloy phase and zinc flower to greatly improve active steel in galvanizing by dipping, and maintains simultaneously
The mechanical property of existing dip galvanized.It is contemplated that the industrialization of such alloy can obtain greatly economic and society's effect
Benefit.In the near future, as more engineer application fields are expanded, such novel alloy will obtain in more galvanizings by dipping
To extensive use.
Invention content
The purpose of the present invention is to overcome the deficiency in the prior art, and providing one kind can make under 360-450 degree atmospheric conditions
Si low activity steel galvanizings by dipping spend kirsite containing Re with no zinc.The alloy carries out hot dipping in this temperature range to low activity steel
When zinc-plated, gained zinc coat not only has the mechanical property of common nonactive steel surface zinc coat, but also can eliminate zinc flower.
This method also has production cost low, the characteristics of being convenient for mass producing.
To achieve the goals above, the present invention adopts the following technical scheme that：
A kind of low activity Si steel galvanizing by dipping no zinc flower kirsite containing Re.By weight percentage, the group of alloy becomes：Li：
1.2-1.8wt.%,Nb:0.4-0.8wt.% ,Ge:2.0-3.0wt.%,Re：0.5-0.8wt.%, Sc:1.0-1.5wt.%, Ce:
0.2-0.6wt.%, 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.
Above-mentioned low activity Si steel galvanizing by dipping spends the preparation method of the kirsite containing Re with no zinc, includes the following steps：It will be as
The raw material of upper proportioning is added in the electric induction furnace of atmosphere protection, and uses silicon carbide crucible；Sensing heating is to 500-600 degree shapes
It is sufficiently stirred 10 minutes or so at alloy solution, and using electromagnetic agitation effect；Alloy liquid is kept the temperature in 500-600 degree and is stood
It is cast to after ten minutes in the same level equipment of heat top and carries out semi-continuous casting into required billet, it is 5- that ingot casting, which moves down speed,
10m/min.The ingot casting can be handled for the galvanizing by dipping of subsequent handling to be protected to steel wire as galvanizing by dipping raw material
Operation, the wherein operating temperature of galvanizing by dipping are 360-450 degree, and the hot dipping time is 30-40 seconds.
Compared with prior art, the present invention has the advantages that：
（1）Patent of the present invention is carried for the bad present situation of the final coating performance of current low activity Si steel galvanizing by dipping kirsite
A kind of novel materialogy solution is supplied.The kirsite has extremely excellent resistance to volatilization and oxidation resistent susceptibility, Ke Yida
5 hours are stood under atmospheric environment without significantly aoxidizing in 400-800 degree temperature ranges.To the liquid alloy
Be stirred, blow etc. during melt treatments, after its skin covering of the surface is destroyed because being vigorously stirred, can rapid regeneration, successfully hinder
Hinder the oxidation and volatilization of alloy.
（2）Hot-galvanized steel structural member standard provides that the galvanized layer thickness of galvanized part need to ensure at 30-60 microns, to ensure
The corrosion resistance of plating piece and good adhesiveness.In addition, the operating temperature of general galvanizing by dipping is 450-580 degree, galvanizing by dipping
Time is 30-60 seconds.Zinc-plated using this patent uses alloy, under the low temperature environment of 360-450 degree, so that it may at 30-40 seconds
Inherence active steel surface hot-dip on thickness be 50-80 microns of coating.Since operating temperature is low, the hot dipping time is short, energy saving
It is with obvious effects.Convenient for operation, year consuming fund is also less, for the prefered method in galvanizing by dipping production.
（3）For silicone content in the dip galvanized of the active steel surface of 0.3-0.8wt.%, gained tissue topography and non-live
Property steel zinc-plated layer tissue it is identical, be continuous fine and close lamellar tissue.In comparison, using common galvanized alloy in active steel
Surface heat zinc immersion layer growth failure, and internal layer is broken into bulk, in the shape that bursts out to outgrowth.Galvanized sheet presses appearance pattern
Being divided into has zinc flower and spends two kinds without zinc.General zinc layers get over Gao Yuegui, and identical zinc layers have Hua Gui without flower ratio.Consider from the market demand,
Production is high without zinc flower prod economic well-being of workers and staff.The alloy protected using this patent, can on conventional hot dip zinc production line
Go out the hot dip galvanized product of no zinc flower with the active steel surface production in silicone content 0.3-0.8wt.%.The material contains to low silicon
After measuring active steel galvanizing by dipping, steel wire further undergauge, tube reducing ratio can reach 30-60% in subsequent drawing deformation
It falls off without the excessive deformation of zinc coat occurs.Thus, which also has other than with extremely excellent bond strength
There is outstanding deformation plasticity.
Specific implementation mode
Embodiment 1
One kind spending kirsite containing Re in 360-450 degree using the no zinc of low activity Si steel galvanizing by dipping.By weight percentage, it closes
Gold chemical composition be：Li： 1.2wt.%,Nb:0.4wt.% ,Ge:2.5wt.%,Re：0.5wt.%, Sc:1.2wt.%, Ce:
0.4wt.%, surplus are zinc.The preparation method of alloy：As above the raw material matched is added in the electric induction furnace of atmosphere protection, and
Using silicon carbide crucible；Sensing heating forms alloy solution to 500-600 degree, and is sufficiently stirred 10 points using electromagnetic agitation effect
Clock or so；By alloy liquid 500-600 degree heat preservation stand be cast to after ten minutes heat top same level equipment in carry out it is semicontinuous
It is cast as required billet, it is 5-10m/min that ingot casting, which moves down speed,.The ingot casting can regard galvanizing by dipping raw material for follow-up
The galvanizing by dipping of process handles to carry out protection operation to steel wire, and the wherein operating temperature of galvanizing by dipping is 360-450 degree, hot dipping
Time is 30-40 seconds.
The kirsite has extremely excellent resistance to volatilization and oxidation resistent susceptibility, can reach in 400-800 degree temperature ranges
It is interior that 5 hours are stood under atmospheric environment without significantly aoxidizing.The liquid alloy is being stirred, is being blown etc. at melts
During reason, after its skin covering of the surface is destroyed because being vigorously stirred, energy rapid regeneration successfully hinders the oxidation and volatilization of alloy.It adopts
The alloy protected with this patent, can be in the activity of silicone content 0.3-0.8wt.% on conventional hot dip zinc production line
Steel surface produces the hot dip galvanized product of no zinc flower.For the material after to low silicon content active steel galvanizing by dipping, steel wire can be with
The further undergauge in subsequent drawing deformation, tube reducing than can reach 30-60% without occur zinc coat excessive deformation and
It falls off.Thus, which also has outstanding deformation plasticity other than with extremely excellent bond strength.Due to work temperature
Spend low, the hot dipping time is short, and energy-saving effect is apparent.Convenient for operation, year consuming fund is also less, in galvanizing by dipping production
Prefered method.
Embodiment 2
One kind spending kirsite containing Re in 360-450 degree using the no zinc of low activity Si steel galvanizing by dipping.By weight percentage, it closes
Gold chemical composition be：Li： 1.4wt.%,Nb:0.4wt.% ,Ge:2.8wt.%,Re：0.6wt.%, Sc:1.2wt.%, Ce:
0.2wt.%, surplus are zinc.The preparation method of alloy：As above the raw material matched is added in the electric induction furnace of atmosphere protection, and
Using silicon carbide crucible；Sensing heating forms alloy solution to 500-600 degree, and is sufficiently stirred 10 points using electromagnetic agitation effect
Clock or so；By alloy liquid 500-600 degree heat preservation stand be cast to after ten minutes heat top same level equipment in carry out it is semicontinuous
It is cast as required billet, it is 5-10m/min that ingot casting, which moves down speed,.The ingot casting can regard galvanizing by dipping raw material for follow-up
The galvanizing by dipping of process handles to carry out protection operation to steel wire, and the wherein operating temperature of galvanizing by dipping is 360-450 degree, hot dipping
Time is 30-40 seconds.
The kirsite has extremely excellent resistance to volatilization and oxidation resistent susceptibility, can reach in 400-800 degree temperature ranges
It is interior that 5 hours are stood under atmospheric environment without significantly aoxidizing.The liquid alloy is being stirred, is being blown etc. at melts
During reason, after its skin covering of the surface is destroyed because being vigorously stirred, energy rapid regeneration successfully hinders the oxidation and volatilization of alloy.It adopts
The alloy protected with this patent, can be in the activity of silicone content 0.3-0.8wt.% on conventional hot dip zinc production line
Steel surface produces the hot dip galvanized product of no zinc flower.For the material after to low silicon content active steel galvanizing by dipping, steel wire can be with
The further undergauge in subsequent drawing deformation, tube reducing than can reach 30-60% without occur zinc coat excessive deformation and
It falls off.Thus, which also has outstanding deformation plasticity other than with extremely excellent bond strength.Due to work temperature
Spend low, the hot dipping time is short, and energy-saving effect is apparent.Convenient for operation, year consuming fund is also less, in galvanizing by dipping production
Prefered method.
Embodiment 3
One kind spending kirsite containing Re in 360-450 degree using the no zinc of low activity Si steel galvanizing by dipping.By weight percentage, it closes
Gold chemical composition be：Li： 1.5wt.%,Nb:0.6wt.% ,Ge:2.4wt.%,Re：0.6wt.%, Sc:1.2wt.%, Ce:
0.3wt.%, surplus are zinc.The preparation method of alloy：As above the raw material matched is added in the electric induction furnace of atmosphere protection, and
Using silicon carbide crucible；Sensing heating forms alloy solution to 500-600 degree, and is sufficiently stirred 10 points using electromagnetic agitation effect
Clock or so；By alloy liquid 500-600 degree heat preservation stand be cast to after ten minutes heat top same level equipment in carry out it is semicontinuous
It is cast as required billet, it is 5-10m/min that ingot casting, which moves down speed,.The ingot casting can regard galvanizing by dipping raw material for follow-up
The galvanizing by dipping of process handles to carry out protection operation to steel wire, and the wherein operating temperature of galvanizing by dipping is 360-450 degree, hot dipping
Time is 30-40 seconds.
The kirsite has extremely excellent resistance to volatilization and oxidation resistent susceptibility, can reach in 400-800 degree temperature ranges
It is interior that 5 hours are stood under atmospheric environment without significantly aoxidizing.The liquid alloy is being stirred, is being blown etc. at melts
During reason, after its skin covering of the surface is destroyed because being vigorously stirred, energy rapid regeneration successfully hinders the oxidation and volatilization of alloy.It adopts
The alloy protected with this patent, can be in the activity of silicone content 0.3-0.8wt.% on conventional hot dip zinc production line
Steel surface produces the hot dip galvanized product of no zinc flower.For the material after to low silicon content active steel galvanizing by dipping, steel wire can be with
The further undergauge in subsequent drawing deformation, tube reducing than can reach 30-60% without occur zinc coat excessive deformation and
It falls off.Thus, which also has outstanding deformation plasticity other than with extremely excellent bond strength.Due to work temperature
Spend low, the hot dipping time is short, and energy-saving effect is apparent.Convenient for operation, year consuming fund is also less, in galvanizing by dipping production
Prefered method.
Claims (3)
1. a kind of low activity Si steel galvanizing by dipping spends kirsite containing Re with no zinc；According to weight percent, the ingredient of the alloy is：
Li： 1.2-1.8wt.%,Nb:0.4-0.8wt.% ,Ge:2.0-3.0wt.%,Re：0.5-0.8wt.%, Sc:1.0-1.5wt.%,
Ce:0.2-0.6wt.%, surplus are zinc.
2. low activity Si steel galvanizing by dipping spends kirsite containing Re with no zinc according to claim 1, it is characterised in that including such as
Lower step：As above the raw material matched is added in the electric induction furnace of atmosphere protection, and uses silicon carbide crucible；Sensing heating arrives
500-600 degree forms alloy solution, and is sufficiently stirred 10 minutes or so using electromagnetic agitation effect；By alloy liquid in 500-
600 degree of heat preservations, which stand to be cast to after ten minutes in the same level equipment of heat top, carries out semi-continuous casting into required billet, ingot casting
It is 5-10m/min to move down speed.
3. low activity Si steel galvanizing by dipping spends kirsite containing Re with no zinc according to claim 1, it is characterised in that comprising such as
Lower procedure of processing：The ingot casting can be handled for the galvanizing by dipping of subsequent handling to be protected to steel wire as galvanizing by dipping raw material
Shield operation, the wherein operating temperature of galvanizing by dipping are 360-450 degree, and the hot dipping time is 30-40 seconds.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810428074.3A CN108315589A (en) | 2018-05-07 | 2018-05-07 | Low activity Si steel galvanizing by dipping spends kirsite containing Re with no zinc |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810428074.3A CN108315589A (en) | 2018-05-07 | 2018-05-07 | Low activity Si steel galvanizing by dipping spends kirsite containing Re with no zinc |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108315589A true CN108315589A (en) | 2018-07-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810428074.3A Withdrawn CN108315589A (en) | 2018-05-07 | 2018-05-07 | Low activity Si steel galvanizing by dipping spends kirsite containing Re with no zinc |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108315589A (en) |
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2018
- 2018-05-07 CN CN201810428074.3A patent/CN108315589A/en not_active Withdrawn
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Application publication date: 20180724 |