CN106825897A - A kind of preparation method of the lead titanium composite anode with ultra-thin titanium cladding - Google Patents
A kind of preparation method of the lead titanium composite anode with ultra-thin titanium cladding Download PDFInfo
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- CN106825897A CN106825897A CN201710006655.3A CN201710006655A CN106825897A CN 106825897 A CN106825897 A CN 106825897A CN 201710006655 A CN201710006655 A CN 201710006655A CN 106825897 A CN106825897 A CN 106825897A
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- titanium
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K20/00—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating
- B23K20/06—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating by means of high energy impulses, e.g. magnetic energy
- B23K20/08—Explosive welding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K20/00—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating
- B23K20/002—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating specially adapted for particular articles or work
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K20/00—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating
- B23K20/24—Preliminary treatment
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Abstract
A kind of preparation method of the lead titanium composite anode with ultra-thin titanium cladding, comprises the following steps：Step one, the certain thickness that tiled using fine sand place the billet with slab construction as ground on ground, and buffer board I is then placed in parallel on billet；Step 2, on buffer board I stereotype is placed in parallel, supporter is then disposed vertically on stereotype；Then take titanium plate to be pasted onto on buffer board II by the way that metal adhesive is parallel, and titanium plate is placed on supporter, titanium plate is vertically arranged with supporter；Step 3, explosive is laid on buffer board II, the consumption of explosive is 2.5 ~ 3.5g/cm with the relation of the area of buffer board II2, detonator then is inserted at the edge of explosive, detonated, the lead titanium composite anode with ultra-thin titanium cladding is obtained.The present invention obtains the laminated-metal composite of metallurgical binding by explosive welding, has widened the thickness combination of lead titanium composite material, improves the bond strength of lead titanium.
Description
Technical field
The present invention relates to composite manufacture technology field, and in particular to a kind of lead-titanium with ultra-thin titanium cladding is combined
The preparation method of anode.
Background technology
Titanium-lead composite material is obtained by plating, spraying, because bond strength is insecure, the problem for easily producing titanium to come off,
By the thick cladding titanium that explodes, then carry out milling method and cannot also obtain the composite of ultra-thin titanium cladding, ultra-thin titanium cladding
Thickness is 0.3 ~ 1mm, because titanium hardness is more much higher than the hardness of lead, only can be thinning by lead layer by the method for rolling, and cannot
Titanium layer is thinning；And conventional welding manner is used, because lead and titanium cannot mutually melt, cannot also obtain the thin titanium layer being well combined
Lead titanium composite material.No matter lead titanium all meets lead acid battery positive electrode grid material from electric conductivity or decay resistance
It is required that, and with light weight, high intensity, excellent decay resistance, for improving Specific Energy of Lead Acid Storage Batteries, are greatly prolonged
The life of storage battery has very important meaning.
The content of the invention
It is an object of the invention to provide a kind of preparation method of the lead with ultra-thin titanium cladding-titanium composite anode, selection
The explosion welding technique of buffer board loading, realizes lead metal layer and the metallurgical binding of titanium coating, improves bond strength, opens
This kind of ultra-soft metal of lead and the combination of other metals are opened up, and has expanded the thickness combination of composite anode dissimilar metal layer.
The technical solution adopted in the present invention is：A kind of preparation method of the lead with ultra-thin titanium cladding-titanium composite anode,
Comprise the following steps：Step one, the certain thickness that tiled using fine sand place the steel with slab construction as ground on ground
Backing plate, is then placed in parallel buffer board I on billet；
Step 2, stereotype is taken, and place it in liquid nitrogen container, stand 10 ~ 30min, be reduced to the initial temperature of stereotype
The boiling temperature of liquid nitrogen；
Step 3, step 2 is cooled down after stereotype be placed in parallel on buffer board I, support is then disposed vertically on stereotype
Body；Then take titanium plate to be pasted onto on buffer board II by the way that metal adhesive is parallel, and titanium plate is placed on supporter, make titanium plate
It is vertically arranged with supporter；
Step 4, explosive is laid on buffer board II, the consumption of explosive is 2.5 ~ 3.5g/ with the relation of the area of buffer board II
cm2, detonator then is inserted at the edge of explosive, detonated, the lead-titanium composite anode with ultra-thin titanium cladding is obtained.
Wherein, described buffer board I is rubber slab；Described buffer board II is aluminium sheet.
Wherein, supporter is metallic lead.
In the present invention, the thickness of titanium plate is 0.3 ~ 1mm, and the thickness of buffer board II is 4mm, and the height of supporter is 2 ~ 6mm.
Wherein, explosive is made up of expanded ammonium nitrate, sodium chloride and perlite, and the weight ratio of each constitutive material of explosive is expanded
Ammonium nitrate：Sodium chloride：Perlite=45：48：7.
The present invention obtains the lead-titanium laminated-metal composite of metallurgical binding by explosion welding technique, if titanium layer is thick
Degree is relatively thin, after explosive welding is impacted, easily causes the detonation of cladding titanium layer；Because titanium layer is thin and light weight, in detonation
Load can rapidly reach maximal rate when loading, but the action time of pressure is directly proportional to multiple material thickness, therefore, C-J detonation pre ssure
Power declines fast, appearance vibration when moving downward compound plate, it is also possible to deceleration phenomenon occur, cause the uneven of collision process,
Unstable, cladding is possible to again be injected stream and puncture or damage.To solve the above problems, the present invention is in cladding titanium metal thin plate
Surface uses metal-to-metal adhesive, and the thin titanium of cladding and the buffer board II of 4mm thickness of 0.3 ~ 1mm thickness are bonded together, and enters row buffering
Loading；Then the positioned beneath buffer board I in stereotype enters row buffering, further enters row buffering loading.
Beneficial effect：1st, the present invention is combined using two-layer buffer board, increased the combination thickness range of titanium and lead, Neng Gouli
With thickness for the ultra-thin titanium cladding of 0.3 ~ 1mm prepares lead-titanium composite material.
2nd, stereotype is cooled down using liquid nitrogen in step 2, it is possible to increase the strength character of stereotype, when reducing explosive welding
Impact zone temperature；And, lead low intensity and plasticity defect high at normal temperatures are solved, the stereotype after cooling is protected
Predetermined size and gap length is held, high-quality welding condition scope is extended, is conducive to improving explosive welding mistake
The stability of journey and the quality of explosive welding.
3rd, in preparation process, lead-titanium plied timber high speed inclined impact stereotype under the effect of explosive charge load is being touched
Hit and a little formed layer of metal melting zone, then rapidly cool down, and moment it is strong link together, solution because of bond strength not
The problem of enough firmly generations serious " de- titanium ", the titanium in lead-titanium plied timber has very strong decay resistance, considerably increases lead
The service life of sour battery.Obtained composite anode of the invention can be suitable for the use requirement under different work condition environments, improve
The reliability and environmental suitability of product；There is very important actual production to anticipate on electrolysis industry and shipbuilding industry
Justice.
Brief description of the drawings
Fig. 1 is explosive welding scheme of installation of the invention；
Fig. 2 is the metallograph of embodiment 1；
Fig. 3 is the metallograph of embodiment 2；
Fig. 4 is the metallograph of embodiment 3.
Reference：1st, detonator, 2, explosive, 3, buffer board II, 4, titanium plate, 5, supporter, 6, stereotype, 7, buffer board I, 8,
Billet, 9, ground.
Specific embodiment
With reference to specific embodiment, the invention will be further described, so that those skilled in the art can be more preferable
Understand the present invention and can be practiced, but illustrated embodiment is not as a limitation of the invention.
A kind of preparation method of the lead with ultra-thin titanium cladding-titanium composite anode, comprises the following steps：Step one, use
Fine sand tiles certain thickness as ground 9, the billet 8 with slab construction is placed on ground 9, then on billet 8
It is placed in parallel buffer board I 7；Step 2, stereotype 6 is taken, and place it in liquid nitrogen container, stand 10 ~ 30min, make stereotype
Initial temperature is reduced to the boiling temperature of liquid nitrogen；Step 3, step 2 is cooled down after stereotype 6 be placed in parallel in buffer board I 7
On, supporter 5 is then disposed vertically on stereotype 6；Then take titanium plate 4 and be pasted onto buffer board II 3 by the way that metal adhesive is parallel
On, and titanium plate 4 is placed on supporter 5, titanium plate 4 is vertically arranged with supporter 5；Step 3, the laying on buffer board II 3
Explosive 2, the consumption of explosive 2 is 2.5 ~ 3.5g/cm with the relation of the area of buffer board II 32, then inserted at the edge of explosive 2
Detonator 1, is detonated, and the lead-titanium composite anode with ultra-thin titanium cladding is obtained.Wherein explosive welding installation diagram is as shown in Figure 1.
Buffer board of the invention I 7 is rubber slab；Buffer board II 3 is aluminium sheet；Supporter 5 is metallic lead.Stereotype is cooled to liquid by the present invention
The boiling temperature of nitrogen（-196℃）, improve the scope in the explosive welding area of lead.
To obtain good Double Metal Explosive Welding quality, the 1.2 of the maximum volume velocity of sound no more than material of explosion velocity of explosive
Times, otherwise jet can be suppressed, and self clean-up action disappears, so as to be difficult to reach preferable welding.The volume velocity of sound of stereotype is
1300m/s, the volume velocity of sound that lead belongs in common metal is minimum, and this just brings very big difficulty to blast, and usual
Blasting explosive for explosion welding explosion velocity be 2000 ~ 3000m/s, to obtain explosion velocity matched with the stereotype volume velocity of sound, explosive stable in properties
Explosive must again be prepared.The present invention adds inert additwe sodium chloride and density to adjust simultaneously in bulking ammonium nitrate explosive
Section agent two kinds of auxiliary materials of perlite, are deployed into new composite explosives, and a large amount of additions of inert additwe sodium chloride can be effectively reduced
The explosion velocity of explosive, the addition of density adjuster hydrophobic pearlite can well control the density and free-running property of explosive.It is of the invention
Explosive is made up of expanded ammonium nitrate, sodium chloride and perlite, and the weight ratio of each constitutive material of explosive is expanded ammonium nitrate：Sodium chloride：
Perlite=45：48：7, the explosion velocity of composite explosives is down to 1300m/s or so, now the apparent density of composite explosives, explosion velocity, brisance
Value is relatively reasonable, and with preferable detonation sensitivity and propagation of explosion.
Embodiment 1
Ground is paved with fine sand, billet is placed on fine sand ground, it is ensured that billet is smooth, and surface is without dirt, and
It is 2mm to place thickness on billet afterwards, and length × a width of 510 × 510mm rubber slab, then placed as base on rubber slab
The stereotype of plate, the thickness of stereotype is 6mm, length × a width of 500 × 500mm, this stereotype need in liquid nitrogen container standing 10 ~
30min, makes the initial temperature of stereotype be reduced to -196 DEG C；Then lead supporter is placed on stereotype, is 0.5mm by thickness, and
The thin titanium board of length × a width of 500 × 500mm is adhesive in thickness for 4mm by metal, and length × a width of 510 × 510mm aluminium sheet
On, and placing height is the lead support of 2mm between stereotype and thin titanium board, then lays explosive, the use of explosive on aluminium sheet top
The ratio that amount accounts for aluminium sheet area is 3.0g/cm2, detonator finally is inserted at explosive edge, carry out detonation production.Wherein, explosive
The weight ratio of each constitutive material is expanded ammonium nitrate：Sodium chloride：Perlite=45：48：7, the explosion velocity of composite explosives is 1300m/s.
The testing result of lead obtained in the present embodiment-titanium composite anode is：Tensile shear testing is carried out, shear strength is 16MPa；
Metallographic observation：As shown in Figure 1.
Embodiment 2
Ground is paved with fine sand, billet is placed on fine sand ground, it is ensured that billet is smooth, and surface is without dirt, and
It is 2mm to place thickness on billet afterwards, and length × a width of 510 × 810mm rubber slab, then placed as base on rubber slab
The stereotype of plate, the thickness of stereotype is 16mm, length × a width of 500 × 800mm, this stereotype need in liquid nitrogen container standing 10 ~
30min, makes the initial temperature of stereotype be reduced to the boiling temperature of liquid nitrogen；Lead supporter is placed on stereotype, is 0.3mm by thickness,
And the thin titanium board of length × a width of 500 × 800mm is adhesive in thickness for 4mm by metal, and length × a width of 510 × 810mm aluminium
On plate, and placing height is the lead support of 6mm between stereotype and thin titanium board, then lays explosive on aluminium sheet top, explosive
The ratio that consumption accounts for aluminium sheet area is 3.5g/cm2, detonator finally is inserted at explosive edge, carry out detonation production.Wherein, explosive
Each constitutive material weight ratio be expanded ammonium nitrate：Sodium chloride：Perlite=45：48：7, the explosion velocity of composite explosives is 1300m/s.
The testing result of lead obtained in the present embodiment-titanium composite anode is：Tensile shear testing is carried out, shear strength is 16MPa；
Metallographic observation：As shown in Figure 2.
Embodiment 3
Ground is paved with fine sand, billet is placed on fine sand ground, it is ensured that billet is smooth, and surface is without dirt, and
It is 2mm to place thickness on billet afterwards, and length × a width of 410 × 710mm rubber slab, then placed as base on rubber slab
The stereotype of plate, the thickness of stereotype is 12mm, length × a width of 400 × 700mm, this stereotype need in liquid nitrogen container standing 10 ~
30min, makes the initial temperature of stereotype be reduced to the boiling temperature of liquid nitrogen；Lead supporter is placed on stereotype, is 1.0mm by thickness,
And the thin titanium board of length × a width of 400 × 700mm is adhesive in thickness for 4mm by metal, and length × a width of 410 × 710mm aluminium
On plate, and placing height is the lead support of 4mm between stereotype and thin titanium board, then lays explosive on aluminium sheet top, explosive
The ratio that consumption accounts for aluminium sheet area is 2.5g/cm2, detonator finally is inserted at explosive edge, carry out detonation production.Wherein, explosive
Each constitutive material weight ratio be expanded ammonium nitrate：Sodium chloride：Perlite=45：48：7, the explosion velocity of composite explosives is 1300m/s.
The testing result of lead obtained in the present embodiment-titanium composite anode is：Tensile shear testing is carried out, shear strength is 16MPa；
Metallographic observation：As shown in Figure 3.
From Fig. 2 to Fig. 4, the interface of lead-titanium composite material is respectively provided with wave structure feature, and interface forms one
Determine the diffusion layer of thickness, wave structure increases by 50% than straight interface on interfacial contact area, and many mechanical snap works
With.In general, waveform parameter is big, and the plastic deformation degree of land metal is big, and the contact area between cladding and basic unit is big,
Thus deform the metal strengthening area that causes and hardening zone big, be all conducive to the raising of bond strength.
Invention is solved existing by electricity by the laminated-metal composite with explosion welding technique acquisition metallurgical binding
The technologies such as plating, spraying, electron beam weldering are unsolved because of asking that titanium layer and lead layer that bond strength is not enough firmly produced come off
Topic.By the invention to lead-titanium composite material, the blank of domestic lead-titanium composite material is filled up, improved existing blast skill
Art, has widened thickness combination and the bonded area scope of lead-titanium composite material, and improves the bond strength of lead-titanium；And
Expand the range of application of lead titanium composite material, such as nuclear reactor and battery industry has boundless application prospect.
Claims (5)
1. a kind of preparation method of the lead with ultra-thin titanium cladding-titanium composite anode, it is characterised in that comprise the following steps：Step
Rapid one, the billet with slab construction is placed, then in steel pad on ground as ground using fine sand tiling certain thickness
Buffer board I is placed in parallel on plate；
Step 2, stereotype is taken, and place it in liquid nitrogen container, stand 10 ~ 30min, be reduced to the initial temperature of stereotype
The boiling temperature of liquid nitrogen；
Step 3, step 2 is cooled down after stereotype be placed in parallel on buffer board I, support is then disposed vertically on stereotype
Body；Then take titanium plate to be pasted onto on buffer board II by the way that metal adhesive is parallel, and titanium plate is placed on supporter, make titanium plate
It is vertically arranged with supporter；
Step 4, explosive is laid on buffer board II, the consumption of explosive is 2.5 ~ 3.5g/ with the relation of the area of buffer board II
cm2, detonator then is inserted at the edge of explosive, detonated, the lead-titanium composite anode with ultra-thin titanium cladding is obtained.
2. a kind of preparation method of the lead with ultra-thin titanium cladding-titanium composite anode according to claim 1, its feature exists
In：Described buffer board I is rubber slab；Described buffer board II is aluminium sheet.
3. a kind of preparation method of the lead with ultra-thin titanium cladding-titanium composite anode according to claim 1, its feature exists
In：Supporter is metallic lead.
4. the preparation method of a kind of lead with the ultra-thin titanium cladding-titanium composite anode according to claim 1 or 3, it is special
Levy and be：The thickness of titanium plate is 0.3 ~ 1mm, and the thickness of buffer board II is 4mm, and the height of supporter is 2 ~ 6mm.
5. a kind of preparation method of the lead with ultra-thin titanium cladding-titanium composite anode according to claim 1, its feature exists
In：Explosive is made up of expanded ammonium nitrate, sodium chloride and perlite, and the weight ratio of each constitutive material of explosive is expanded ammonium nitrate：Chlorination
Sodium：Perlite=45：48：7.
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Cited By (5)
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| CN110893505A (en) * | 2019-12-17 | 2020-03-20 | 舞钢神州重工金属复合材料有限公司 | Explosive welding production process of base-composite equal-thickness metal composite plate |
| CN111299801A (en) * | 2020-04-03 | 2020-06-19 | 安徽弘雷金属复合材料科技有限公司 | Preparation method of titanium-stainless steel half-surface explosive welding material for LNG storage tank |
| CN112518097A (en) * | 2020-11-09 | 2021-03-19 | 中国科学技术大学 | Tungsten foil explosive welding method |
| CN114131172A (en) * | 2021-12-23 | 2022-03-04 | 安徽理工大学 | Preparation method of thin multilayer explosive welding composite board in vacuum environment |
| CN114160948A (en) * | 2021-12-22 | 2022-03-11 | 安徽理工大学 | Preparation method of thin multilayer explosive welding composite board |
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Cited By (5)
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Application publication date: 20170613 |