CN108300900A - The corrosion-resistant kirsite containing Sc and V of low temperature bolt galvanizing by dipping - Google Patents
The corrosion-resistant kirsite containing Sc and V of low temperature bolt galvanizing by dipping Download PDFInfo
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- CN108300900A CN108300900A CN201810469468.3A CN201810469468A CN108300900A CN 108300900 A CN108300900 A CN 108300900A CN 201810469468 A CN201810469468 A CN 201810469468A CN 108300900 A CN108300900 A CN 108300900A
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- Prior art keywords
- dipping
- galvanizing
- bolt
- corrosion
- alloy
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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
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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 low temperature bolt galvanizings by dipping to contain Sc and V kirsites and its processing technology with corrosion-resistant.According to weight percent, the ingredient of the alloy is：Ca:0.2‑0.4wt.%,Sc:0.1‑0.2wt.%,Re:0.2‑0.3wt.%,V:0.1‑0.2wt.%,Sb:1.2‑1.8wt.%,Ge:0.2 0.4wt.%, surplus are zinc.Galvanizing by dipping of the material for bolt is handled, and can plate uniform dip galvanized in bolt surface in 10 15 seconds interior at a temperature of 320 340 degree.Due to reducing processing temperature and time, the mechanical property reduction of bolt is not obvious.With raising production efficiency, cost-effective effect.
Description
Technical field
The present invention relates to technical field of alloy, specifically, being related to a kind of kirsite.
Background technology
Galvanizing and galvanizing by dipping are also named in galvanizing.It is a kind of effective anti-corrosion of metal mode, is mainly used for every profession and trade
On metal structure facility.It is so that steel member surface is adhered to zinc in 445 DEG C or so zinc liquid melted of steel part immersion after derusting
Layer, to play corrosion-resistant purpose.Galvanizing is developed by more ancient hot-dipping method, since France in 1836 is heat
It is zinc-plated be applied to industry since, had in 1 hundred 40 history.
Briefly, the technological process of galvanizing by dipping is：Finished product acid-washing-washing-plus quickening liquid-drying-rack plating-cooling-
Medicine-cleaning-polishing-completion.Galvanizing by dipping has the advantages that a series of：The hardness number of zinc coat is also bigger than steel, therefore it is anti-
Impact and attrition resistance are quite good.In corner region, zinc layers are often also thicker than other places, and have good toughness and wear-resistant
Consumption.Even if because by prodigious mechanical wounding or other reasons.The Zinc Scaling of sub-fraction is caused, iron-based is exposed, at this point,
Surrounding zinc layers will play the function of sacrificial anode, to protect steel herein, it be made not weather.The consumption of zinc layers in an atmosphere
It is slowly, the about 1/17-1/18 of steel corrosion rate, the service life is far more than other any coatings.
Up to now, galvanizing is still that most common, most effective technological measure is applied in steel anti-corrosion method.It is building
In industry, for all types of industries and lightgage steel joist, building storey panel, corrugated sheet, the rolling screen door etc. of civil buildings.In household electrical appliances and gently
Industrial aspect is used for the shell and bottom plate of all kinds of household electrical appliance.In the automotive industry, be used for car body, shell, inner panel,
Bottom plate etc..Greatly develop electric power, traffic, communication, the energy and urban infrastructure in China.With building, household electrical appliances, auto industry
Powerful development, the zinc-plated industry in China face unprecedented opportunities and huge market.
Galvanizing bolt is also referred to as galvanizing bolt, is the special bolt product gone out by heating galvanizing process for producing, extensively
Applied to industrial infrastructure construction and mechanical processing.Galvanizing bolt is also referred to as galvanizing bolt, be by bolt, by oil removing,
Derusting shows the surface without dirty infiltration, is immersed in immediately in the coating bath that zinc is heated to melting in advance, in workpiece surface
The method for forming one layer of zinc coating.Bolt is zinc-plated can also to use cold galvanizing（Electrogalvanizing）Method carry out zinc-plated antirust.It is cold
It is zinc-plated, it is that will also pass through oil removing, derusting, shows the cathode being linked into without dirty, infiltration workpiece in special electroplating bath
On, anode zinc.DC power supply is connected, the zinc ion on anode discharges to cathodic migration on cathode, and workpiece is made to plate one
The method of layer zinc layers.But the quality of cold galvanizing is less than galvanizing, zinc coat is than more loose and matrix combination force difference.
The coating of galvanizing bolt is thicker, generally 30-60 microns, and coating anti-corrosion ability is higher.It is suitable for outwork
Steel piece, such as fence for express highway, electric power tower, the more coarse workpiece of large scale fastener long-term rust prevention.Compared with
Early irony running water pipe is also galvanizing.In addition, galvanizing bolt is because of high intensity and corrosion resistance, it is more and more to become
Electric power tower, signal tower, highway barrier first choice bolt.But since galvanizing is passed through 30-60 seconds at a temperature of 400 degree or so
Operated in zinc liquid, is equivalent to and has carried out average tempering heat treatment at this temperature.Thus, the intensity of bolt can reduce
The phenomenon that.The high-strength bolt that this feature prepares cold-drawn performance after hot-dip drastically reduces the more bright of performance
It is aobvious.
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
The corrosion-resistant kirsite containing Sc and V of low temperature bolt galvanizing by dipping.
To achieve the goals above, the present invention adopts the following technical scheme that：
A kind of corrosion-resistant kirsite containing Sc and V of low temperature bolt galvanizing by dipping.By weight percentage, the group of alloy becomes：Ca:
0.2-0.4wt.%,Sc: 0.1-0.2wt.%,Re:0.2-0.3wt.%,V:0.1-0.2wt.%,Sb:1.2-1.8wt.%,Ge:
0.2-0.4wt.%, 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 preparation method of the above-mentioned corrosion-resistant kirsite containing Sc and V of low temperature bolt galvanizing by dipping, includes the following steps：It will be as
The raw material of upper proportioning is added in the electric induction furnace of argon gas protection, and uses silicon carbide crucible；As above the raw material matched is added
Into the electric induction furnace of atmosphere protection, and use silicon carbide crucible；Sensing heating forms alloy solution, and profit to 500-600 degree
It is sufficiently stirred 10 minutes or so with electromagnetism agitation effects；Alloy liquid is stood in the heat preservation of 500-600 degree and is cast to after ten minutes
Semi-continuous casting is carried out into required billet in the same level equipment of heat top, and it is 5-8m/min that ingot casting, which moves down speed,.The ingot casting can
Protection operation, wherein hot dipping are carried out to bolt to be handled for the galvanizing by dipping of subsequent handling as bolt galvanizing by dipping raw material
Zinc-plated operating temperature is 320-340 degree, and the hot dipping time is 10-15 seconds.
Compared with prior art, the present invention has the advantages that：
（1）Patent of the present invention is high for the galvanizing by dipping processing temperature of current bolt, and hot dipping time length leads to bolt mechanical property
It reduces apparent present situation and provides a kind of solution of materialogy.The alloy in the environment of galvanizing by dipping can and bolt shape
At fine and close compound layer.The appearance of this compact transition layer, can be effectively reduced zinc in zinc liquid further with iron-based
Reaction-diffusion terms.In addition, the bond strength of the densification compound layer and matrix is high, the high intensity hot dipping under lower temperature may be implemented
Zinc coating operations.
（2）The material is 320-340 degree for the temperature of the galvanizing by dipping of bolt, and the hot dipping time is 10-15 seconds.It compares
Compared with 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 heat
Soak the time.From energy saving and for reducing cost, the effect of this patent is apparent.Simultaneously as the hot dipping time is reduced, in list
Furnace entering volume is improved 3 times or more in the time of position.It is effectively improved the production efficiency of bolt galvanizing by dipping.
（3）In addition, the galvanizing by dipping has excellent corrosion resistance with alloy.Under marine environment, the corruption of the material
It is 2.4 × 10 to lose speed-4Mm/.Thus under marine climate, which can use 30 years or more safely without apparent
Corrosion phenomenon occurs.In comparison, the zinc coat of common hot-dip galvanizing alloy general working life under marine environment is 20
Year or so.
（4）Traditional iron crucible zinc liquid in galvanizing by dipping corrodes iron plate and causes cadmia excessive, influences galvanizing quality, shortens zinc
Pot service life, typically less than half a year have perforation, leakage zinc phenomenon.Since the cost of manufacture of this tun is very high, so
Caused by economic loss be huge.Due to the galvanizing by dipping alloy of this patent, operating temperature is not only low, but also the hot dipping time
It is short.The yield for greatly improving the hot dip galvanized product of iron pan, has saved cost.
（5）When the hot dip galvanized zinc alloy is used for the galvanizing by dipping of high-strength bolt, due to reducing hot dipping temperature and hot dipping
The mechanical property reduction of time, bolt are not obvious.Thus it is of great significance for multiple industrial circles.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 the corrosion-resistant kirsite containing Sc and V of low temperature bolt galvanizing by dipping in 320-340 degree.By weight percentage,
The chemical composition of alloy is：Ca:0.2wt.%,Sc: 0.1wt.%,Re:0.2wt.%,V:0.1wt.%,Sb:1.2wt.%,Ge:
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 hot-dip that bolt galvanizing by dipping raw material is used for subsequent handling
Zinc handles to carry out protection operation to bolt, and the wherein operating temperature of galvanizing by dipping is 320-340 degree, and the hot dipping time is 10-15
Second.
The material is 320-340 degree for the temperature of the galvanizing by dipping of bolt, and the hot dipping time is 10-15 seconds.Compare and
Speech, traditional galvanizing by dipping temperature are 360-450 degree, and the hot dipping time is 30-60 seconds.When due to reducing hot dipping temperature and hot dipping
Between.From energy saving and for reducing cost, the effect of this patent is apparent.Simultaneously as the hot dipping time is reduced, in unit
It is interior that furnace entering volume is improved 3 times or more.It is effectively improved the production efficiency of bolt galvanizing by dipping.In addition, the galvanizing by dipping
There is excellent corrosion resistance with alloy.Under marine environment, the corrosion rate of the material is 2.4 × 10-4Mm/.Thus
Under marine climate, which can use safely 30 years or more occurs without apparent corrosion phenomenon.In comparison, commonly
The zinc coat of galvanizing by dipping alloy general working life under marine environment is 20 years or so.The hot dip galvanized zinc alloy is for height
When the galvanizing by dipping of strength bolts, due to reducing hot dipping temperature and hot dipping time, the mechanical property reduction of bolt is not obvious.
Thus it is of great significance for multiple industrial circles.
Embodiment 2
One kind using the corrosion-resistant kirsite containing Sc and V of low temperature bolt galvanizing by dipping in 320-340 degree.By weight percentage,
The chemical composition of alloy is：Ca:0.4wt.%,Sc: 0.2wt.%,Re:0.3wt.%,V:0.2wt.%,Sb:1.8wt.%,Ge:
0.4wt.%, 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 hot-dip that bolt galvanizing by dipping raw material is used for subsequent handling
Zinc handles to carry out protection operation to bolt, and the wherein operating temperature of galvanizing by dipping is 320-340 degree, and the hot dipping time is 10-15
Second.
The material is 320-340 degree for the temperature of the galvanizing by dipping of bolt, and the hot dipping time is 10-15 seconds.Compare and
Speech, traditional galvanizing by dipping temperature are 360-450 degree, and the hot dipping time is 30-60 seconds.When due to reducing hot dipping temperature and hot dipping
Between.From energy saving and for reducing cost, the effect of this patent is apparent.Simultaneously as the hot dipping time is reduced, in unit
It is interior that furnace entering volume is improved 3 times or more.It is effectively improved the production efficiency of bolt galvanizing by dipping.In addition, the galvanizing by dipping
There is excellent corrosion resistance with alloy.Under marine environment, the corrosion rate of the material is 2.4 × 10-4Mm/.Thus
Under marine climate, which can use safely 30 years or more occurs without apparent corrosion phenomenon.In comparison, commonly
The zinc coat of galvanizing by dipping alloy general working life under marine environment is 20 years or so.The hot dip galvanized zinc alloy is for height
When the galvanizing by dipping of strength bolts, due to reducing hot dipping temperature and hot dipping time, the mechanical property reduction of bolt is not obvious.
Thus it is of great significance for multiple industrial circles.
Embodiment 3
One kind using the corrosion-resistant kirsite containing Sc and V of low temperature bolt galvanizing by dipping in 320-340 degree.By weight percentage,
The chemical composition of alloy is：Ca:0.3wt.%,Sc: 0.1wt.%,Re:0.2wt.%,V:0.1wt.%,Sb:1.5wt.%,Ge:
0.3wt.%, 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 hot-dip that bolt galvanizing by dipping raw material is used for subsequent handling
Zinc handles to carry out protection operation to bolt, and the wherein operating temperature of galvanizing by dipping is 320-340 degree, and the hot dipping time is 10-15
Second.
The material is 320-340 degree for the temperature of the galvanizing by dipping of bolt, and the hot dipping time is 10-15 seconds.Compare and
Speech, traditional galvanizing by dipping temperature are 360-450 degree, and the hot dipping time is 30-60 seconds.When due to reducing hot dipping temperature and hot dipping
Between.From energy saving and for reducing cost, the effect of this patent is apparent.Simultaneously as the hot dipping time is reduced, in unit
It is interior that furnace entering volume is improved 3 times or more.It is effectively improved the production efficiency of bolt galvanizing by dipping.In addition, the galvanizing by dipping
There is excellent corrosion resistance with alloy.Under marine environment, the corrosion rate of the material is 2.4 × 10-4Mm/.Thus
Under marine climate, which can use safely 30 years or more occurs without apparent corrosion phenomenon.In comparison, commonly
The zinc coat of galvanizing by dipping alloy general working life under marine environment is 20 years or so.The hot dip galvanized zinc alloy is for height
When the galvanizing by dipping of strength bolts, due to reducing hot dipping temperature and hot dipping time, the mechanical property reduction of bolt is not obvious.
Thus it is of great significance for multiple industrial circles.
Claims (3)
1. a kind of corrosion-resistant kirsite containing Sc and V of low temperature bolt galvanizing by dipping；According to weight percent, the ingredient of the alloy
For：Ca:0.2-0.4wt.%,Sc: 0.1-0.2wt.%,Re:0.2-0.3wt.%,V:0.1-0.2wt.%,Sb:1.2-
1.8wt.%,Ge:0.2-0.4wt.%, surplus are zinc.
2. the corrosion-resistant kirsite containing Sc and V of low temperature bolt galvanizing by dipping 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 5-8m/min to move down speed.
3. the corrosion-resistant kirsite containing Sc and V of low temperature bolt galvanizing by dipping according to claim 1, it is characterised in that comprising such as
Lower procedure of processing：The ingot casting can as bolt galvanizing by dipping raw material for subsequent handling galvanizing by dipping processing come to bolt into
Row protection operation, the wherein operating temperature of galvanizing by dipping are 320-340 degree, and the hot dipping time is 10-15 seconds.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810469468.3A CN108300900A (en) | 2018-05-16 | 2018-05-16 | The corrosion-resistant kirsite containing Sc and V of low temperature bolt galvanizing by dipping |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810469468.3A CN108300900A (en) | 2018-05-16 | 2018-05-16 | The corrosion-resistant kirsite containing Sc and V of low temperature bolt galvanizing by dipping |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108300900A true CN108300900A (en) | 2018-07-20 |
Family
ID=62846440
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810469468.3A Withdrawn CN108300900A (en) | 2018-05-16 | 2018-05-16 | The corrosion-resistant kirsite containing Sc and V of low temperature bolt galvanizing by dipping |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108300900A (en) |
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2018
- 2018-05-16 CN CN201810469468.3A patent/CN108300900A/en not_active Withdrawn
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Application publication date: 20180720 |