CN106191930A - A kind of electrification is metallurgical with alloy lead anode plate and preparation method thereof - Google Patents
A kind of electrification is metallurgical with alloy lead anode plate and preparation method thereof Download PDFInfo
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- CN106191930A CN106191930A CN201610519147.0A CN201610519147A CN106191930A CN 106191930 A CN106191930 A CN 106191930A CN 201610519147 A CN201610519147 A CN 201610519147A CN 106191930 A CN106191930 A CN 106191930A
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25C—PROCESSES FOR THE ELECTROLYTIC PRODUCTION, RECOVERY OR REFINING OF METALS; APPARATUS THEREFOR
- C25C7/00—Constructional parts, or assemblies thereof, of cells; Servicing or operating of cells
- C25C7/02—Electrodes; Connections thereof
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D25/00—Special casting characterised by the nature of the product
- B22D25/02—Special casting characterised by the nature of the product by its peculiarity of shape; of works of art
- B22D25/04—Casting metal electric battery plates or the like
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C11/00—Alloys based on lead
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C11/00—Alloys based on lead
- C22C11/02—Alloys based on lead with an alkali or an alkaline earth metal as the next major constituent
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C11/00—Alloys based on lead
- C22C11/06—Alloys based on lead with tin as the next major constituent
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
- C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
- C22F1/12—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of lead or alloys based thereon
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Abstract
The invention discloses a kind of electrification metallurgy alloy lead anode plate belonging to electrification metallurgical technology field and preparation method thereof.Aluminium alloy is injected in water-cooled irony mould, the demoulding when aluminium alloy top layer in water-cooled irony mould solidifies completely, it is thus achieved that half solidification state metal ingot；Then using double-roll rolling mill half-and-half solidification state metal ingot to carry out pressing under multi-pass, overall reduction is not less than 70%, it is thus achieved that thickness is the alloy lead anode plate of 6 8mm.Prepared alloy lead anode plate has the crystal structure that crystal grain orientation is random, size is tiny, special grain boundary quantity is many, organize fine and closely woven uniformly, defect and gross segregation significantly reduce；The corrosion rate of positive plate can be significantly reduced when using it for non-ferrous metal electrodeposition, significantly extend the service life of positive plate.
Description
Technical field
The invention belongs to electrification metallurgical technology field, be specifically related to a kind of electrification metallurgy alloy lead anode plate and preparation thereof
Method.
Background technology
During the non-ferrous metal electrodepositions such as zinc, copper and manganese, generally use metal as anode material.In the metallurgical use of all electrifications
In anode, doped chemical calcium can improve the intensity of alloy lead anode, but its content need to be strict controlled in less than 0.15%, otherwise can
Shorten the service life of anode.In electrowinning zinc anode, it is the most electric that doped chemical silver can reduce lead analysis oxygen in electrolytic deposition process
Position and corrosion rate, reduce power consumption and extend the purpose of anode service life；The effect of doped chemical strontium is to reduce lead to exist
Corrosion rate in electrolytic deposition process, reaches the purpose extending anode service life.Electrowinning zinc anode material can not contain element
Stannum, its reason is that the incorporation of stannum can suppress zinc in the precipitation of negative electrode, reduces current efficiency.In electro deposited copper anode, doping unit
Element stannum can reduce lead corrosion rate in electrolytic deposition process, reaches to extend the purpose of anode service life；Doped chemical cobalt can be big
Width reduces lead overpotential for oxygen evolution during electro deposited copper, reduces groove pressure, energy-saving and cost-reducing purpose.
At present, market generally uses rolling mill practice completely crued as cast condition metal ingot is made meet dimensional requirement,
Ganoid plate-shaped anode material.Although this anode material decreases the surface defect of as cast condition alloy lead anode material, carry
The high mechanical strength of anode material, but still suffer from too short shortcoming in alloy lead anode plate service life.Remove electrolytic environments
Factor, alloy lead anode plate service life, short main cause had: the second phase that (1) is formed by doped chemical is distributed in the base
Uneven, the defects such as segregation occur；(2) alloy pig after cooling completely carries out light reduction (overall reduction is less than 60%) to roll
, there is the casting flaws such as coarse grains in the alloy lead anode plate of system preparation；(3) alloy pig after cooling completely is depressed greatly
The alloy lead anode plate of amount (overall reduction is more than 70%) rolling preparation, there is a large amount of dislocation defects, crystal grain chi in its organizational structure
Very little distributed pole is uneven, is susceptible to creep in electrolytic process.
In sum, relevant with crystal boundary intercrystalline corrosion is the main cause that alloy lead anode plate lost efficacy.According to phase vincial faces
Crystal boundary can be divided into low-angle boundary by the crystalline orientation relation of intergranular, (Σ value is adjacent two to low Σ coincidence site lattice (CSL) crystal boundary
The inverse of individual crystal lattice coincidence site lattice ratio) and general high-angle boundary.First two crystal boundary compared with general high-angle boundary,
Its structurally ordered degree height, free volume is little, and interfacial energy is low, has stronger crystal boundary inefficacy drag, is referred to as " special grain boundary ".
Use special process can change quantity and the distribution of special grain boundary in material, thus improve or change micro-relevant to crystal boundary of material
Sight behavior (grain boundary decision, grain-boundary sliding, Grain Boundary Segregation, crystal boundary migration etc.) and macro property (anti-grain boundary corrosion, intensity, mould tough
Property, crystal boundary hardening, high-temerature creep, superplasticity etc.).
Summary of the invention
It is an object of the invention to provide a kind of electrification metallurgy alloy lead anode plate and preparation method thereof, the technology taked
Scheme is as follows:
The preparation method of a kind of electrification metallurgy alloy lead anode plate, concrete operations are: aluminium alloy injects water-cooled irony
In mould, the demoulding when aluminium alloy top layer in water-cooled irony mould solidifies completely, it is thus achieved that half solidification state metal ingot；Then make
Carrying out pressing under multi-pass with double-roll rolling mill half-and-half solidification state metal ingot, overall reduction is not less than 70%, it is thus achieved that thickness is 6-8mm
Alloy lead anode plate.
The each component of described aluminium alloy and content is: silver 0-1.1wt%, calcium 0-0.15wt%, stannum 0-2.0wt%, other yuan
The total content of element is 0-0.05wt%, and remaining is lead；Other described element is one or both in strontium, aluminum and cobalt, but not
Including the situation containing strontium and cobalt simultaneously.
When described electrification metallurgy alloy lead anode plate is electrowinning zinc, manganese alloy lead anode plate, described aluminium alloy is each
Component and content is: silver 0.2-1.1wt%, calcium 0-0.15wt%, strontium and/or aluminum 0-0.05wt%, remaining is lead.
When described electrification metallurgy alloy lead anode plate is electro deposited copper alloy lead anode plate, each component of described aluminium alloy
And content is: stannum 0.5-2.0wt%, calcium 0-0.15wt%, aluminum and/or cobalt 0-0.05wt%, remaining is lead.
The purity of described lead is not less than 99.9%, and the purity of silver is not less than 99.8%, and the purity of calcium is not less than 99.5%, stannum
Purity be not less than 99.5%, the purity of other element is not less than 99.5%.
The top layer of described half solidification state metal ingot solidifies completely, and core is microstructure of semisolid, central area, top layer
Temperature is 150-230 DEG C.
The electrification metallurgy alloy lead anode plate that described preparation method obtains.
Described preparation method is in the rolling starting stage, and the metal ingot of employing is that top layer solidifies the most completely, and core is
Half solidification state metal ingot of microstructure of semisolid；Adjust rolling mill practice simultaneously, make the crystal orientation on alloy lead anode plate surface with
Machine also increases the quantity of special grain boundary.Being microstructure of semisolid owing to alloy pig is internal, there is good mobility, so rolling
During system, the internal not solidified region of metal ingot will produce strong mixed convection, makes melt temperature uniform, shorter
In time, major part melt temperature all drops to solidification temperature, makes there is mass efficient forming core particle in melt, and this forming core particle exists
A large amount of nucleus can be formed under suitable condition in the way of heterogeneous nucleation, and the crystal grain drift that mixed convection causes greatly increases
Big nucleation rate.In grain growth process, strong mixed convection significantly improves the heat transfer in melt and mass transport process,
And then the growth to crystal grain serves strong inhibitory action, crystal grain in such a case can not preferential growth, and can only select
All directions are grown up, and make alloy lead anode plate obtain equally distributed spherical non-dendritic structure.It addition, rolling is in higher temperature
Carry out under degree, alloy lead anode plate occurrence dynamics recrystallization in the operation of rolling will be made, it is suppressed that growing up of crystal grain, and make crystal boundary number
Amount is increased sharply, and the Second Phase Particle making doped chemical be formed is tiny and Dispersed precipitate, also eliminates large deformation amount to metal simultaneously
The stress that material brings, significantly reduces dislocation defects.
Alloy lead anode plate prepared by the present invention has the crystalline substance that crystal grain orientation is random, size is tiny, special grain boundary quantity is many
Body structure, the crystal structure consistent with rolling direction orientation, that number of grain boundaries is few obtained with pair rolling forms sharp contrast；Will
It can significantly reduce the corrosion rate of positive plate when non-ferrous metal electrodeposition, significantly extends the service life of positive plate.
Accompanying drawing explanation
Fig. 1 is the detection figure of the lead silver alloy anode plate of embodiment 1 preparation；Wherein, 1-a is surface topography map, and 1-b is
OIM schemes.
Fig. 2 is the detection figure of lead silver alloy anode plate in comparative example 1；Wherein, 2-a is surface topography map, and 2-b is OIM figure.
Fig. 3 is the detection figure of the Pb-Ca-Sn-Al alloy positive plate of embodiment 3 preparation；Wherein, 3-a is surface topography map, 3-b
Scheme for OIM.
Fig. 4 is the detection figure of Pb-Ca-Sn-Al alloy positive plate in comparative example 2；Wherein, 4-a is surface topography map, and 4-b is
OIM schemes.
Detailed description of the invention
Electrification metallurgy alloy lead anode plate of the present invention, uses and is similar to semi-solid state forming technique technique, it is desirable to
Metal ingot is when rolling, and its top layer is in solidifying state completely, and inside is microstructure of semisolid, and central area, top layer temperature is 150-
230℃；Require that rolling overall reduction is not less than 70% simultaneously.It is interior by rolling that on the one hand this preparation method releases alloy lead anode plate
The stress that making rises, on the other hand makes alloy lead anode plate generation perfect recrystallization, it is thus achieved that based on non-Dendritic TiC, crystal grain chi
Very little moderate, second-phase dispersion distribution and the special grain boundary quantity organizational structure no less than 50%.
Electrowinning zinc, the composition of manganese alloy lead anode plate are argentiferous 0.2-1.1wt%, calcic 0-0.15wt%, other yuan
Have strontium and/or aluminum, content is 0-0.05wt%, and remaining is lead.Wherein the effect of doped chemical silver is to reduce alloy lead anode
The overpotential for oxygen evolution of plate and the corrosion rate of reduction positive plate；The effect of doped chemical calcium is the machinery strengthening alloy lead anode plate
Performance；The effect of doped chemical strontium is the corrosion resistance improving alloy lead anode plate；The effect of doped chemical aluminum is to reduce activity to mix
Miscellaneous element calcium scaling loss amount in fusion process.Separate out at negative electrode owing to element tin can be better than zinc, therefore electrowinning zinc metal sun
Pole material can not contain element tin.
The composition of electro deposited copper alloy lead anode plate is stanniferous 0.5-2.0wt%, calcic 0-0.15wt%, and other element is
Aluminum and/or cobalt, content is 0-0.05wt%, and remaining is lead.Wherein the effect of doped chemical stannum is to improve alloy lead anode plate
Corrosion resistance；The effect of doped chemical calcium is the mechanical performance strengthening alloy lead anode material；The effect of doped chemical aluminum is to reduce
Active dopant element calcium scaling loss amount in fusion process；The effect of doped chemical cobalt is lead to be greatly reduced during electro deposited copper
Overpotential for oxygen evolution, reduce groove pressure, energy-saving and cost-reducing purpose.
Rolling overall reduction is not less than 70%, is effectively reduced or eliminates shrinkage cavity and fold etc. that casting process causes and lack
Fall into, and refining grain size, improve the mechanical strength of positive plate.
The invention will be further described with embodiment below in conjunction with the accompanying drawings, but is not limitation of the present invention, any
Equivalent or known change belong to protection scope of the present invention.
Embodiment 1
By chemical composition be: silver 0.85wt%, remaining be lead aluminium alloy injection specification be the water of 600 × 480 × 60mm
In chill matter mould, treating that the aluminium alloy top layer in water-cooled irony mould solidifies completely, central area, top layer temperature is cooled to 220 DEG C
Time the demoulding, it is thus achieved that half solidification state metal ingot；Then use double-roll rolling mill by 60 → 54 → 48 → 42 → 36 → 30 → 26 → 22
The reduction in pass of → 18 → 14 → 10 → 8, half-and-half solidification state metal ingot carries out pressing under multi-pass, it is thus achieved that a size of 450 ×
The lead silver alloy anode plate of 580 × 8mm, its surface topography is as shown in Fig. 1-a, and OIM figure is as shown in Fig. 1-b.
From Fig. 1-a, the lead silver alloy anode plate prepared relative to common process, the pb-ag alloy prepared by this method
The rich silver phase Dispersed precipitate of positive plate in the surface of alloy sheets, rich silver phase even particle size.Fig. 1-b figure understands, according to we
Lead silver alloy anode plate surface prepared by method is formed by being orientated the equi-axed crystal random, crystal grain is tiny, and average grain size is about
30 μm, and there is substantial amounts of twin in surface, the lead silver alloy anode plate that its special grain boundary ratio is prepared relative to common process has
Substantially increasing, reach 71%, machining stress substantially eliminates.
The Pb-0.85%Ag alloy anode plate prepared by this method chemical property during Zinc electrolysis is examined
Surveying, the process conditions of detection are: [Zn2+] 60g/l, [H2SO4] 180g/l, [Mn2+] 5g/l, [Cl-] 450mg/l, [F-]130mg/
L, [SrCO3] 0.02g/l, osseocolla 0.002g/l, electric current density 550A/m2, cathode and anode spacing 30mm, electric effusion temperature 38 ± 2
DEG C, Winning cell size 500 × 650 × 620mm, alloy lead anode board size 450 × 580 × 8 (6) mm, cathode aluminum plate size 460
× 580 × 2mm, electric effusion flow velocity 160l/h, 300 days electrodeposition time；Testing result is as shown in table 1.
Embodiment 2
It is: silver 0.20wt%, calcium 0.08wt%, strontium 0.05wt% that remaining is the aluminium alloy injection rule of lead by chemical composition
Lattice are in the water-cooled irony mould of 600 × 480 × 60mm, treat that the aluminium alloy top layer in water-cooled irony mould solidifies completely, top layer
Central area temperature is cooled to demoulding when 180 DEG C, it is thus achieved that half solidification state metal ingot；Then use double-roll rolling mill by 60 → 54 →
The reduction in pass of 48 → 43 → 38 → 34 → 30 → 26 → 22 → 18 → 14 → 11 → 8 → 7 → 6, half-and-half solidification state metal
Ingot carries out pressing under multi-pass, it is thus achieved that the lead silver calcium strontium alloy positive plate of a size of 450 × 580 × 6mm.
The lead silver calcium strontium alloy positive plate prepared in this way chemical property during Zinc electrolysis is detected,
The process conditions of detection are as described in Example 1；Testing result is as shown in table 1.
Comparative example 1
The rolling lead silver alloy anode plate that market is bought, dimensions is 480 × 600 × 8mm, and chemical composition is: silver
0.85wt%, remaining is lead, and its surface topography map is as shown in Fig. 2-a, and OIM figure is as shown in Fig. 2-b.From Fig. 2-a, conventional work
The grain boundaries of the lead silver alloy anode plate of skill manufacture has substantial amounts of rich silver to separate out mutually, and rich silver phase particle size distribution is uneven,
Greatly reduce anode material corrosion resistance during Zinc electrolysis.From Fig. 2-b, the pb-ag alloy sun that common process manufactures
The grain size distribution of pole plate is uneven, and average grain size is about 60 μm, and subregion crystal grain is strip along rolling direction,
But still having portion crystal is as-cast structure.Through analyzing, the special grain boundary ratio about 40% of this alloy lead anode plate, still suffer from more
Pile-up of dislocation defect.
The Pb-0.85%Ag alloy anode plate of the common process manufacture chemical property during Zinc electrolysis is examined
Surveying, the process conditions of the process conditions detection of detection are as described in Example 1；Testing result is as shown in table 1.
Table 1: alloy lead anode material plate chemical property during electrowinning zinc compares
As known from Table 1, use the alloy lead anode material plate that preparation method of the present invention obtains during electrowinning zinc, its
Corrosion rate is below on market the alloy lead anode material plate using conventional method to obtain, and reduces the consumption of anode zinc simultaneously.
Embodiment 3
It is: calcium 0.08wt%, stannum 1.70wt%, aluminum 0.005wt% that remaining is the aluminium alloy injection rule of lead by chemical composition
Lattice are in the water-cooled irony mould of 600 × 480 × 60mm, treat that the aluminium alloy top layer in water-cooled irony mould solidifies completely, top layer
Central area temperature is cooled to demoulding when 150 DEG C, it is thus achieved that half solidification state metal ingot；Then use double-roll rolling mill by 60 → 54 →
The reduction in pass of 48 → 43 → 38 → 34 → 30 → 26 → 22 → 18 → 14 → 10 → 8, half-and-half solidification state metal ingot is carried out
Press under multi-pass, it is thus achieved that the Pb-Ca-Sn-Al alloy positive plate of a size of 450 × 580 × 8mm, its surface topography as shown in Fig. 3-a,
OIM figure is as shown in Fig. 3-b.
From Fig. 3-a, the Pb-Ca-Sn-Al alloy positive plate prepared relative to common process, the lead calcium prepared by this method
There is substantial amounts of deformation twin in Sn-Al alloy positive plate surface.From Fig. 3-b, the Pb-Ca-Sn-Al alloy prepared according to this method
The surface of positive plate is random by being orientated, and the equiax crystal composition that crystal grain is tiny, average grain size is about 50 μm, its special grain boundary ratio
The Pb-Ca-Sn-Al alloy positive plate that example is prepared relative to common process is significantly increased, and reaches 54%, and machining stress substantially eliminates.
The Pb-Ca-Sn-Al alloy positive plate prepared according to this method is detected at the chemical property of copper electrolytic deposition process,
The process conditions of detection are [Cu2+] 45g/l, [H2SO4] 170g/l, total Fe 3g/l, [Cl-] 6.2mg/l, [Co2+] 110mg/l,
[Mn2+] 0.82mg/l, electric current density 180A/m2, cathode and anode spacing 80mm, electric effusion temperature 45 ± 2 DEG C, Winning cell size 500
× 650 × 620mm, alloy lead anode board size 450 × 580 × 8mm, negative electrode 316L rustless steel size 460 × 590 × 1mm, electricity
Hydrops flow velocity 100l/h, 540 days electrodeposition time；Testing result is shown in Table 2.
Embodiment 4
It is: calcium 0.08wt%, stannum 1.50%, aluminum 0.005wt%, cobalt 0.01% that remaining is the alloy of lead by chemical composition
Liquid injects in the water-cooled irony mould that specification is 600 × 480 × 30mm, treats that the aluminium alloy top layer in water-cooled irony mould is the most solidifying
Gu, central area, top layer temperature is cooled to demoulding when 200 DEG C, it is thus achieved that half solidification state metal ingot；Then double-roll rolling mill is used to press
The reduction in pass of 30 → 25 → 20 → 16 → 12 → 9 → 8, half-and-half solidification state metal ingot carries out pressing under multi-pass, it is thus achieved that chi
Very little is the lead calcium stannum aluminium cobalt alloy positive plate of 450 × 580 × 8mm.
The lead calcium stannum aluminium cobalt alloy positive plate prepared according to this method is examined at the chemical property of copper electrolytic deposition process
Surveying, the process conditions of detection are as described in Example 3；Testing result is shown in Table 2.
Comparative example 2
The rolling Pb-Ca-Sn-Al alloy positive plate that market is bought, dimensions is 480 × 600 × 8mm, and chemical composition is:
Calcium 0.08wt%, stannum 1.70%, aluminum 0.005%, remaining is lead, and as depicted in fig. 4-a, OIM schemes such as Fig. 4-b institute its surface topography map
Show.From Fig. 4-a, the grain boundaries of the Pb-Ca-Sn-Al alloy positive plate of common process manufacture has a large amount of sn rich phase to separate out, and has
A small amount of stannum aluminium compound separates out in crystal grain, greatly reduces positive plate corrosion resistance in copper electrolytic deposition process.Fig. 4-b understands,
The Pb-Ca-Sn-Al alloy that common process manufactures still contains the Dendritic TiC of as-cast structure architectural feature, and grain size distribution is the most uneven
Even, average grain size is about 85 μm.Through analyzing, the special grain boundary ratio of the Pb-Ca-Sn-Al alloy positive plate that common process manufactures
Less than 2%, pile-up of dislocation is serious.
The Pb-Ca-Sn-Al alloy positive plate preparing common process chemical property in copper electrolytic deposition process detects,
The process conditions of detection are as described in Example 3；Testing result is shown in Table 2.
Table 2: alloy lead anode plate chemical property during electro deposited copper compares
As known from Table 2, use the alloy lead anode material plate that preparation method of the present invention obtains during electro deposited copper, its
Corrosion rate is below on market the alloy lead anode material plate using conventional method to obtain, and reduces the consumption of anode copper simultaneously.
Claims (7)
1. an electrification is metallurgical by the preparation method of alloy lead anode plate, it is characterised in that concrete operations are: injected by aluminium alloy
In water-cooled irony mould, the demoulding when aluminium alloy top layer in water-cooled irony mould solidifies completely, it is thus achieved that half solidification state metal
Ingot；Then using double-roll rolling mill half-and-half solidification state metal ingot to carry out pressing under multi-pass, overall reduction is not less than 70%, it is thus achieved that thick
Degree is the alloy lead anode plate of 6-8mm.
The preparation method of a kind of electrification metallurgy alloy lead anode plate the most according to claim 1, it is characterised in that described
The each component of aluminium alloy and content is: silver 0-1.1wt%, calcium 0-0.15wt%, stannum 0-2.0wt%, the total content of other element is
0-0.05wt%, remaining is lead；Other described element is one or both in strontium, aluminum and cobalt, but does not include containing simultaneously
Strontium and the situation of cobalt.
The preparation method of a kind of electrification metallurgy alloy lead anode plate the most according to claim 2, it is characterised in that work as institute
Stating electrification metallurgy alloy lead anode plate when being electrowinning zinc, manganese alloy lead anode plate, each component of described aluminium alloy and content is:
Silver 0.2-1.1wt%, calcium 0-0.15wt%, strontium and/or aluminum 0-0.05wt%, remaining is lead.
The preparation method of a kind of electrification metallurgy alloy lead anode plate the most according to claim 2, it is characterised in that work as institute
Stating electrification metallurgy alloy lead anode plate when being electro deposited copper alloy lead anode plate, each component of described aluminium alloy and content is: stannum
0.5-2.0wt%, calcium 0-0.15wt%, aluminum and/or cobalt 0-0.05wt%, remaining is lead.
The preparation method of a kind of electrification metallurgy alloy lead anode plate the most according to claim 2, it is characterised in that described
The purity of lead is not less than 99.9%, and the purity of silver is not less than 99.8%, and the purity of calcium is not less than 99.5%, and the purity of stannum is not less than
99.5%, the purity of other element is not less than 99.5%.
The preparation method of a kind of electrification metallurgy alloy lead anode plate the most according to claim 1, it is characterised in that described
The top layer of half solidification state metal ingot solidifies completely, and core is microstructure of semisolid, and central area, top layer temperature is 150-230
℃。
7. the electrification metallurgy that preparation method described in any one of claim 1-6 obtains uses alloy lead anode plate.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108360018A (en) * | 2018-03-20 | 2018-08-03 | 中南大学 | Electrolytic manganese composite anode and preparation method thereof |
| CN109522675A (en) * | 2018-12-10 | 2019-03-26 | 桂林电子科技大学 | The simulation and finite element solving analysis method of tinbase binary eutectic alloy microstructure |
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| CN106191930B (en) | 2018-06-15 |
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