CN109894734A - Super thick degree is than stainless steel-copper composite plate explosion welding method - Google Patents
Super thick degree is than stainless steel-copper composite plate explosion welding method Download PDFInfo
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- CN109894734A CN109894734A CN201910284894.4A CN201910284894A CN109894734A CN 109894734 A CN109894734 A CN 109894734A CN 201910284894 A CN201910284894 A CN 201910284894A CN 109894734 A CN109894734 A CN 109894734A
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Abstract
The invention discloses a kind of super thick degree than stainless steel-copper composite plate explosion welding method, it is related to composite plate manufacturing field, aim to solve the problem that the low problem of existing composite plate Percentage bound, technical points are the following steps are included: step 1: using parallel method installation base's copper sheet and composite layer stainless steel plate, the ratio between clearance distance between the thickness and base's copper sheet and composite layer stainless steel plate of base's copper sheet is (2.5-3.2): 1；Step 2: it pinches in copper sheet and composite layer stainless steel plate gap and is put into sheet metal；Step 3: applying far from the side of base's copper sheet in composite layer stainless steel plate and lower detonation-rate explosive, and the ratio between thickness and the thickness of base's copper sheet of low explosive are (1.2-2): 1；Step 4: using the edge of low explosive coating as point initiation, explosive welding is carried out to base's copper sheet and composite layer stainless steel plate；Achieve the purpose that adequately to be welded base's copper sheet of super thick degree ratio and composite layer stainless steel plate.
Description
Technical field
The present invention relates to composite plate manufacturing fields, more specifically, it relates to which a kind of super thick degree is than stainless steel-copper composite plate
Explosion welding method.
Background technique
The preparation of present composite plate generallys use explosive welding, will be a kind of by explosive detonation effect using explosive as the energy
Material (cladding) high velocity impact another kind material (base), realizes the metallurgical bonding of two kinds of metals, combined area is rendered as wavy
Metallurgical bonding.
Existing application publication number is the Chinese patent of CN109249121A, and it is compound to disclose a kind of large format tool steel-steel
The explosion welding method of plate belongs to the following steps are included: Step 1: installing Substrate sheet and cladding same tool steel plate using parallel method；
Step 2: contradict the plate bursting that rises of one piece of metal material in the side of cladding same tool steel plate, and using this rise the region of plate bursting as
Detonation region；Step 3: cladding same tool steel plate and the upper surface for playing the seam that plate bursting is formed are fully sealed by adhesive tape；
Step 4: brushing one layer of butter in cladding same tool steel plate and the upper surface for playing plate bursting；Step 5: in cladding same tool steel plate and detonation
The detonator for being used for ignition charge has been placed in the detonation region of plate bursting formation by the upper surface cloth blasting charge of plate.
But for super thick degree than stainless steel-copper composite plate explosive welding during, since detonation velocity is too fast and
Plate thickness degree is larger, in burst period, cannot sufficiently weld together between two plate layers, Percentage bound is low.
Summary of the invention
It is more compound than stainless steel-copper in view of the deficiencies of the prior art, the present invention intends to provide a kind of super thick degree
The explosion welding method of plate can be by the base's copper sheet and composite layer stainless steel of super thick degree ratio in conjunction with special low explosive
Plate is adequately welded.
To achieve the above object, the present invention provides the following technical scheme that
A kind of super thick degree is than stainless steel-copper composite plate explosion welding method, comprising the following steps:
Step 1: using parallel method installation base's copper sheet and composite layer stainless steel plate, the thickness of base's copper sheet is greater than compound
The thickness of layer stainless steel plate, clearance distance between the thickness and base's copper sheet and composite layer stainless steel plate of base's copper sheet it
Than for (2.5-3.2): 1；
Step 2: it pinches in base's copper sheet and composite layer stainless steel plate gap and is put into sheet metal；
Step 3: it is applied in the composite layer stainless steel plate far from the side of base's copper sheet and lowers detonation-rate explosive, the low blasting speed is fried
The ratio between thickness and the thickness of base's copper sheet of medicine are (1.2-2): 1；
Step 4: using the edge of low explosive coating as point initiation, base's copper sheet and composite layer stainless steel plate are carried out
Explosive welding.
By taking above-mentioned technical proposal, the clearance distance between base's copper sheet and composite layer stainless steel plate is arranged, and is protecting
Deformation occurs under the action of detonation power between card base's copper sheet and composite layer stainless steel plate, and then by base's copper sheet and again
While conjunction layer stainless steel plate welds together, the distance in gap can extend between base's copper sheet and composite layer stainless steel plate
The action time of the inertial force as caused by detonation power, and then fill base's copper sheet and composite layer stainless steel plate
Divide welding；Sheet metal is added between base's copper sheet and composite layer stainless steel plate simultaneously, keeps base's copper sheet and composite layer stainless
During deformation occurs, sheet metal is wrapped into base's copper sheet and composite layer stainless steel plate steel plate, further strengthens base
The weld strength of copper sheet and composite layer stainless steel plate；Low explosive, which is added, can reduce detonation velocity, and then increase explosion time
Between, increase the action time of detonation power, base's copper sheet and composite layer stainless steel plate is allow to have the sufficient time that shape occurs
Become and weld together securely, and then the present invention combines special low explosive, reaches base's copper of super thick degree ratio
The purpose that plate and composite layer stainless steel plate are adequately welded.
The further setting of the present invention is, the sheet metal include quality identical as base's copper sheet copper sheet and with it is compound
The stainless steel substrates of the identical quality of layer stainless steel plate, the copper sheet is identical with the dosage of stainless steel substrates, and the copper sheet is close to base's copper
Plate setting, the stainless steel substrates are arranged close to composite layer stainless steel plate.
By taking above-mentioned technical proposal, the metal phase capacitive of identical quality is more preferable, and then in base's copper sheet and composite layer
For stainless steel plate during deformation occurs, base's copper sheet and copper sheet, composite layer stainless steel plate and stainless steel substrates can be to greatest extent
Fusion, reinforce base's copper sheet and composite layer stainless steel plate weld strength.
The further setting of the present invention is that the low explosive includes: basic explosive 90-120 parts by weight, chlorination
45-60 parts of sodium, 6-10 parts of sawdust, 30-45 parts of wood activated charcoal powder, 25-40 parts of glass fiber powder, 3-8 parts of dehumidizer.
By taking above-mentioned technical proposal, since during explosive charge, explosion velocity is by the practical shadow for being pressed density
It rings, practical press fitting density is bigger, and explosion velocity is higher, and nonflammable sodium chloride glass fiber powder is added can be with relative reduction explosive
Density, and then density is reduced, still, since sodium chloride hygroscopicity is strong, dehumidizer is added can be to avoid hygroscopic by sodium chloride
The problems such as influencing, explosive is caused to agglomerate；It is then that avoid being not easy combustion things in explosive excessive and influence explosive charge that sawdust, which is added, is increased
The continuous burning performance of low explosive coating；Wood activated charcoal powder is relying on its absorption property and huge specific surface area, into
And while being uniformly mixed the component in low explosive, the combustibility of wood activated charcoal powder can further increase low blasting speed
The continuous burning performance of explosive coating, and then while reducing low explosive by explosion velocity, it will not influence low explosive
Explosion continuity.
The further setting of the present invention is that the dehumidizer is dimethyl silicone polymer microballoon, the polydimethylsiloxanes
Alkane microballoon is 150-200 mesh microballoon.
By taking above-mentioned technical proposal, dimethyl silicone polymer is due to having hydrophobic well with hydrophobic group
Property, the dimethyl silicone polymer microballoon of 150-200 mesh is added in low explosive, is avoiding low explosive water suction agglomeration
Meanwhile dimethyl silicone polymer microballoon can be made to be uniformly mixed with the other compositions in low explosive.
The further setting of the present invention is that the sawdust is 20-30 mesh powder.
By taking above-mentioned technical proposal, other components of the sawdust of 20-30 mesh in guarantee sawdust and low blasting speed are important
While uniformly mixing, it is ensured that the combustibility of itself avoids sawdust excessively fine and close and nonflammable.
The further setting of the present invention is that the wood activated charcoal powder is coconut activated carbon powder, the wood activated charcoal
Powder is 200-250 mesh powder.
By taking above-mentioned technical proposal, the adsorption capacity and specific surface area of coconut activated carbon powder are living compared to others
Property charcoal is bigger, can make wood activated charcoal powder that the other components in low explosive be promoted to mix finely, the coconut palm of 200-250 mesh
Shell active carbon powder can also reinforce the mixing uniformity of its own and the other components in low explosive.
The further setting of the present invention is that the sodium chloride is 100-150 mesh powder.
By taking above-mentioned technical proposal, the sodium chloride of 100-150 mesh can with the other components in low explosive
Mixing it is more uniform, and then keep the property at each position of low explosive coating uniform, blast process more is stablized.
The further setting of the present invention is that the glass fiber powder is 100-150 mesh powder.
By taking above-mentioned technical proposal, the glass fiber powder of 100-150 mesh can with other in low explosive
The mixing of component is more uniform, and then keeps the property at each position of low explosive coating uniform, and blast process more is stablized.
The further setting of the present invention is that the preparation method of the low explosive is by basic explosive, sodium chloride, saw
End, wood activated charcoal powder, glass fiber powder, dehumidizer are placed before explosion and stir 60-80min in dehydrated alcohol, then in 45-
It is dried at a temperature of 60 DEG C.
By taking above-mentioned technical proposal, by basic explosive, sodium chloride, sawdust, wood activated charcoal powder, glass fiber powder,
Dehumidizer is mixed in dehydrated alcohol, and basic explosive, sodium chloride, sawdust, wood activated charcoal powder, glass fibre can be improved
The mixing uniformity of powder, dehumidizer, meanwhile, dehydrated alcohol can volatilize completely in 60-70 DEG C of temperature, and then not interfere with
The property of low explosive.
In conclusion the invention has the following advantages:
1. the clearance distance in the present invention between base's copper sheet and composite layer stainless steel plate is arranged, guarantee base's copper sheet with it is compound
Deformation occurs under the action of detonation power between layer stainless steel plate, and then base's copper sheet and composite layer stainless steel plate are welded
While together, the distance in gap can extend between base's copper sheet and composite layer stainless steel plate is drawn by detonation power
The action time of the inertial force risen, and then weld base's copper sheet and composite layer stainless steel plate sufficiently；Simultaneously in base
Sheet metal is added between layer copper sheet and composite layer stainless steel plate, makes base's copper sheet and the composite layer stainless steel plate mistake that deformation occurs
Cheng Zhong, sheet metal are wrapped into base's copper sheet and composite layer stainless steel plate, further strengthen base's copper sheet and composite layer is stainless
The weld strength of steel plate；
2. low explosive, which is added, in the present invention can reduce detonation velocity, and then increase burst period, increase detonation power
Action time, so that base's copper sheet and composite layer stainless steel plate is had the sufficient time, deformation occurs and is welded on one securely
It rises；
3., can be with the close of relative reduction explosive by nonflammable sodium chloride glass fiber powder in the low explosive in the present invention
Degree, and then density is reduced, dehumidizer is added can be to avoid by sodium chloride hygroscopic the problems such as influencing, explosive is caused to agglomerate；Add
Enter the continuous burning performance that sawdust increases low explosive coating；Wood activated charcoal powder is relying on its absorption property and huge ratio
Surface area, and then while be uniformly mixed component in low explosive, the combustibility of wood activated charcoal powder can be further
Increase the continuous burning performance of low explosive coating, and then while reducing low explosive by explosion velocity, will not influence low
The explosion continuity of detonation-rate explosive.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of welding method of the present invention.
Appended drawing reference: 1, base's copper sheet；2, composite layer stainless steel plate；3, sheet metal；4, low explosive；5, copper sheet；
6, stainless steel substrates.
Specific embodiment
Invention is further described in detail with reference to embodiments.
Embodiment one:
The preparation method of low explosive is by basic explosive (2# rock explosive), sodium chloride, sawdust, wood activated charcoal powder, glass
Glass fiber powder, dehumidizer are placed before explosion stirs 60min in dehydrated alcohol, then 60 DEG C at a temperature of dry.
Wherein:
Dehumidizer is dimethyl silicone polymer microballoon, and dimethyl silicone polymer microballoon is 150-200 mesh microballoon；
Sawdust is 20 mesh powder；
Wood activated charcoal powder is coconut activated carbon powder, and wood activated charcoal powder is 200 mesh powder；
Sodium chloride is 100 mesh powder；
Glass fiber powder is 100 mesh powder.
Embodiment two: the preparation method of low explosive is by basic explosive (2# rock explosive), sodium chloride, sawdust, wood
Activated carbon powder, glass fiber powder, dehumidizer are placed before explosion and stir 65min in dehydrated alcohol, then in 63 DEG C of temperature
Lower drying.
Wherein:
Dehumidizer is dimethyl silicone polymer microballoon, and dimethyl silicone polymer microballoon is 160 mesh microballoons；
Sawdust is 24 mesh powder；
Wood activated charcoal powder is coconut activated carbon powder, and wood activated charcoal powder is 210 mesh powder；
Sodium chloride is 110 mesh powder；
Glass fiber powder is 110 mesh powder.
Embodiment three:
The preparation method of low explosive is by basic explosive (2# rock explosive), sodium chloride, sawdust, wood activated charcoal powder, glass
Glass fiber powder, dehumidizer are placed before explosion stirs 70min in dehydrated alcohol, then 65 DEG C at a temperature of dry.
Wherein:
Dehumidizer is dimethyl silicone polymer microballoon, and dimethyl silicone polymer microballoon is 170 mesh microballoons；
Sawdust is 24 mesh powder；
Wood activated charcoal powder is coconut activated carbon powder, and wood activated charcoal powder is 220 mesh powder；
Sodium chloride is 120 mesh powder；
Glass fiber powder is 120 mesh powder.
Example IV:
The preparation method of low explosive is by basic explosive (2# rock explosive), sodium chloride, sawdust, wood activated charcoal powder, glass
Glass fiber powder, dehumidizer are placed before explosion stirs 75min in dehydrated alcohol, then 68 DEG C at a temperature of dry.
Wherein:
Dehumidizer is dimethyl silicone polymer microballoon, and dimethyl silicone polymer microballoon is 180 mesh microballoons；
Sawdust is 28 mesh powder；
Wood activated charcoal powder is coconut activated carbon powder, and wood activated charcoal powder is 240 mesh powder；
Sodium chloride is 140 mesh powder；
Glass fiber powder is 140 mesh powder.
Embodiment five:
The preparation method of low explosive is by basic explosive (2# rock explosive), sodium chloride, sawdust, wood activated charcoal powder, glass
Glass fiber powder, dehumidizer are placed before explosion stirs 80min in dehydrated alcohol, then 70 DEG C at a temperature of dry.
Wherein:
Dehumidizer is dimethyl silicone polymer microballoon, and dimethyl silicone polymer microballoon is 200 mesh microballoons；
Sawdust is 30 mesh powder；
Wood activated charcoal powder is coconut activated carbon powder, and wood activated charcoal powder is 250 mesh powder；
Sodium chloride is 150 mesh powder；
Glass fiber powder is 150 mesh powder.
Embodiment six:
A kind of super thick degree is than stainless steel-copper composite plate explosion welding method, comprising the following steps:
Step 1: using the base's copper sheet 1 and 22mm thickness composite layer stainless steel plate 2 of parallel method installation 80mm thickness, 1 He of base's copper sheet
Clearance distance between composite layer stainless steel plate 2 is 32mm；
Step 2: it pinches in base's copper sheet 1 and 2 gap of composite layer stainless steel plate and is put into sheet metal 3；
Step 3: apply far from the side of base's copper sheet 1 that put embodiment one low quick-fried into embodiment five in composite layer stainless steel plate 2
Fast explosive 4, low explosive 4 with a thickness of 160mm；
Step 4: using the edge of 4 coating of low explosive as point initiation, to base's copper sheet 1 and composite layer stainless steel plate 2 into
Row explosive welding.
Wherein:
Sheet metal 3 include quality identical as base's copper sheet 1 copper sheet 5 and quality identical as composite layer stainless steel plate 2 it is stainless
Steel disc 6, copper sheet 5 is identical with the dosage of stainless steel substrates 6, copper sheet 5 close to base's copper sheet 1 be arranged, stainless steel substrates 6 close to composite layer not
The steel plate 2 that becomes rusty is arranged.
Embodiment seven:
A kind of super thick degree is than stainless steel-copper composite plate explosion welding method, comprising the following steps:
Step 1: using the base's copper sheet 1 and 22mm thickness composite layer stainless steel plate 2 of parallel method installation 80mm thickness, 1 He of base's copper sheet
Clearance distance between composite layer stainless steel plate 2 is 26mm；
Step 2: it pinches in base's copper sheet 1 and 2 gap of composite layer stainless steel plate and is put into sheet metal 3；
Step 3: apply far from the side of base's copper sheet 1 that put embodiment one low quick-fried into embodiment five in composite layer stainless steel plate 2
Fast explosive 4, low explosive 4 with a thickness of 120mm；
Step 4: using the edge of 4 coating of low explosive as point initiation, to base's copper sheet 1 and composite layer stainless steel plate 2 into
Row explosive welding.
Wherein:
Sheet metal 3 include quality identical as base's copper sheet 1 copper sheet 5 and quality identical as composite layer stainless steel plate 2 it is stainless
Steel disc 6, copper sheet 5 is identical with the dosage of stainless steel substrates 6, copper sheet 5 close to base's copper sheet 1 be arranged, stainless steel substrates 6 close to composite layer not
The steel plate 2 that becomes rusty is arranged.
Embodiment eight:
A kind of super thick degree is than stainless steel-copper composite plate explosion welding method, comprising the following steps:
Step 1: using the base's copper sheet 1 and 22mm thickness composite layer stainless steel plate 2 of parallel method installation 80mm thickness, 1 He of base's copper sheet
Clearance distance between composite layer stainless steel plate 2 is 25mm；
Step 2: it pinches in base's copper sheet 1 and 2 gap of composite layer stainless steel plate and is put into sheet metal 3；
Step 3: apply far from the side of base's copper sheet 1 that put embodiment one low quick-fried into embodiment five in composite layer stainless steel plate 2
Fast explosive 4, low explosive 4 with a thickness of 96mm；
Step 4: using the edge of 4 coating of low explosive as point initiation, to base's copper sheet 1 and composite layer stainless steel plate 2 into
Row explosive welding.
Wherein:
Sheet metal 3 include quality identical as base's copper sheet 1 copper sheet 5 and quality identical as composite layer stainless steel plate 2 it is stainless
Steel disc 6, copper sheet 5 is identical with the dosage of stainless steel substrates 6, copper sheet 5 close to base's copper sheet 1 be arranged, stainless steel substrates 6 close to composite layer not
The steel plate 2 that becomes rusty is arranged.
Comparative example:
It is basic explosive (2# rock explosive) by low explosive replacement of the embodiment six into embodiment eight, carries out identical quick-fried
Fried welding.
Testing result:
According to GB/T8165-1997 " stainless steel clad plates and strips ", " pressure vessel is exploded JB4733-1996 with stainless steel
Composite plate " composite plate examine requirement detect a flaw to the composite plate after explosion, according to " Detonation Velocity for Industrial Explosives measuring method (GB/
T 13228-91) " explosion velocity detection is carried out, brisance detection is carried out according to GB12440-1990；
By it is found that the low explosive explosion velocity in the present invention can effectively reduce the explosion velocity of explosive, in conjunction with explosion weldering of the invention
Method is connect, super thick degree of the invention indicates that the Percentage bound of composite plate is 100% than stainless steel-copper composite plate result of detection, surpasses
Thickness is than stainless steel-copper composite plate flawless, no bulge.
This specific embodiment is only explanation of the invention, is not limitation of the present invention, those skilled in the art
Member can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but as long as at this
All by the protection of Patent Law in the scope of the claims of invention.
Claims (9)
1. a kind of super thick degree is than stainless steel-copper composite plate explosion welding method, it is characterised in that the following steps are included:
Step 1: using parallel method installation base's copper sheet (1) and composite layer stainless steel plate (2), the thickness of base's copper sheet (1)
Greater than the thickness of composite layer stainless steel plate (2), the thickness and base's copper sheet (1) and composite layer stainless steel of base's copper sheet (1)
The ratio between clearance distance between plate (2) is (2.5-3.2): 1；
Step 2: it pinches in base's copper sheet (1) and composite layer stainless steel plate (2) gap and is put into sheet metal (3)；
Step 3: applying far from the side of base's copper sheet (1) in the composite layer stainless steel plate (2) and lower detonation-rate explosive (4), described
The ratio between thickness and the thickness of base's copper sheet (1) of low explosive (4) are (1.2-2): 1；
Step 4: using the edge of low explosive (4) coating as point initiation, to base's copper sheet (1) and composite layer stainless steel
Plate (2) carries out explosive welding.
2. super thick degree according to claim 1 is than stainless steel-copper composite plate explosion welding method, it is characterised in that: institute
State the copper sheet (5) and quality identical as composite layer stainless steel plate (2) that sheet metal (3) includes quality identical as base copper sheet (1)
Stainless steel substrates (6), the copper sheet (5) is identical with the dosage of stainless steel substrates (6), and the copper sheet (5) sets close to base's copper sheet (1)
It sets, the stainless steel substrates (6) are arranged close to composite layer stainless steel plate (2).
3. super thick degree according to claim 2 is than stainless steel-copper composite plate explosion welding method, it is characterised in that: institute
State low explosive by weight and include: 90-120 parts of basic explosive, 45-60 parts of sodium chloride, 6-10 parts of sawdust, wood activated charcoal
30-45 parts of powder, 25-40 parts of glass fiber powder, 3-8 parts of dehumidizer.
4. super thick degree according to claim 3 is than stainless steel-copper composite plate explosion welding method, it is characterised in that: institute
Stating dehumidizer is dimethyl silicone polymer microballoon, and the dimethyl silicone polymer microballoon is 150-200 mesh microballoon.
5. super thick degree according to claim 4 is than stainless steel-copper composite plate explosion welding method, it is characterised in that: institute
Stating sawdust is 20-30 mesh powder.
6. super thick degree according to claim 5 is than stainless steel-copper composite plate explosion welding method, it is characterised in that: institute
Stating wood activated charcoal powder is coconut activated carbon powder, and the wood activated charcoal powder is 200-250 mesh powder.
7. super thick degree according to claim 6 is than stainless steel-copper composite plate explosion welding method, it is characterised in that: institute
Stating sodium chloride is 100-150 mesh powder.
8. super thick degree according to claim 7 is than stainless steel-copper composite plate explosion welding method, it is characterised in that: institute
Stating glass fiber powder is 100-150 mesh powder.
9. super thick degree according to claim 8 is than stainless steel-copper composite plate explosion welding method, it is characterised in that: institute
State low explosive the preparation method comprises the following steps: by basic explosive, sodium chloride, sawdust, wood activated charcoal powder, glass fiber powder, dehumidifying
Agent places before explosion and stirs 60-80min in dehydrated alcohol, then 60-70 DEG C at a temperature of dry.
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| CN113787249A (en) * | 2021-10-08 | 2021-12-14 | 舞钢神州重工金属复合材料有限公司 | Explosive welding method for large-size metal composite plate |
| RU2807255C1 (en) * | 2023-03-02 | 2023-11-13 | Федеральное государственное бюджетное образовательное учреждение высшего образования "Волгоградский государственный технический университет" (ВолгГТУ) | Method for producing heat-resistant coating on the surface of heat-resistant steel plate |
| CN117483931A (en) * | 2024-01-03 | 2024-02-02 | 四川钛程钛业有限公司 | Explosion welding preparation method of novel marine metal composite board |
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| CN113787249A (en) * | 2021-10-08 | 2021-12-14 | 舞钢神州重工金属复合材料有限公司 | Explosive welding method for large-size metal composite plate |
| RU2807255C1 (en) * | 2023-03-02 | 2023-11-13 | Федеральное государственное бюджетное образовательное учреждение высшего образования "Волгоградский государственный технический университет" (ВолгГТУ) | Method for producing heat-resistant coating on the surface of heat-resistant steel plate |
| CN117483931A (en) * | 2024-01-03 | 2024-02-02 | 四川钛程钛业有限公司 | Explosion welding preparation method of novel marine metal composite board |
| CN117483931B (en) * | 2024-01-03 | 2024-04-23 | 四川钛程钛业有限公司 | Explosion welding preparation method of novel marine metal composite board |
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Application publication date: 20190618 |