CN117483931B - Explosion welding preparation method of novel marine metal composite board - Google Patents
Explosion welding preparation method of novel marine metal composite board Download PDFInfo
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- 238000003466 welding Methods 0.000 title claims abstract description 88
- 238000004880 explosion Methods 0.000 title claims abstract description 53
- 239000002905 metal composite material Substances 0.000 title claims abstract description 43
- 238000002360 preparation method Methods 0.000 title claims abstract description 21
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 87
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims abstract description 76
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 71
- 229910052751 metal Inorganic materials 0.000 claims abstract description 51
- 239000002184 metal Substances 0.000 claims abstract description 51
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 48
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 42
- 239000001301 oxygen Substances 0.000 claims abstract description 42
- 235000013162 Cocos nucifera Nutrition 0.000 claims abstract description 39
- 244000060011 Cocos nucifera Species 0.000 claims abstract description 39
- 238000000034 method Methods 0.000 claims abstract description 22
- 238000011049 filling Methods 0.000 claims abstract description 18
- 238000004519 manufacturing process Methods 0.000 claims abstract description 10
- 238000007789 sealing Methods 0.000 claims abstract description 10
- 238000010008 shearing Methods 0.000 claims abstract description 7
- 239000001569 carbon dioxide Substances 0.000 claims abstract description 4
- 229910002092 carbon dioxide Inorganic materials 0.000 claims abstract description 4
- 239000000843 powder Substances 0.000 claims description 36
- 239000000377 silicon dioxide Substances 0.000 claims description 30
- 235000012239 silicon dioxide Nutrition 0.000 claims description 30
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 22
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 claims description 20
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- 239000010953 base metal Substances 0.000 claims description 8
- TXEYQDLBPFQVAA-UHFFFAOYSA-N tetrafluoromethane Chemical compound FC(F)(F)F TXEYQDLBPFQVAA-UHFFFAOYSA-N 0.000 claims description 7
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims description 6
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 6
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 6
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 6
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 6
- IJOOHPMOJXWVHK-UHFFFAOYSA-N chlorotrimethylsilane Chemical compound C[Si](C)(C)Cl IJOOHPMOJXWVHK-UHFFFAOYSA-N 0.000 claims description 6
- 238000004140 cleaning Methods 0.000 claims description 6
- 235000019441 ethanol Nutrition 0.000 claims description 6
- 238000001914 filtration Methods 0.000 claims description 6
- 239000001257 hydrogen Substances 0.000 claims description 6
- 229910052739 hydrogen Inorganic materials 0.000 claims description 6
- BDAGIHXWWSANSR-UHFFFAOYSA-N methanoic acid Natural products OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 claims description 6
- 238000007873 sieving Methods 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- 238000012986 modification Methods 0.000 claims description 4
- 230000004048 modification Effects 0.000 claims description 4
- XZZGMFAUFIVEGL-UHFFFAOYSA-N 1,1,2,2,3,3,4,4,5,5,6-undecafluoro-6-(1,1,2,2,3,3,4,4,4-nonafluorobutyl)cyclohexane Chemical compound FC(F)(F)C(F)(F)C(F)(F)C(F)(F)C1(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C1(F)F XZZGMFAUFIVEGL-UHFFFAOYSA-N 0.000 claims description 3
- JLPULHDHAOZNQI-ZTIMHPMXSA-N 1-hexadecanoyl-2-(9Z,12Z-octadecadienoyl)-sn-glycero-3-phosphocholine Chemical compound CCCCCCCCCCCCCCCC(=O)OC[C@H](COP([O-])(=O)OCC[N+](C)(C)C)OC(=O)CCCCCCC\C=C/C\C=C/CCCCC JLPULHDHAOZNQI-ZTIMHPMXSA-N 0.000 claims description 3
- OSWFIVFLDKOXQC-UHFFFAOYSA-N 4-(3-methoxyphenyl)aniline Chemical compound COC1=CC=CC(C=2C=CC(N)=CC=2)=C1 OSWFIVFLDKOXQC-UHFFFAOYSA-N 0.000 claims description 3
- NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonium chloride Substances [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 claims description 3
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 claims description 3
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 3
- OTMSDBZUPAUEDD-UHFFFAOYSA-N Ethane Chemical compound CC OTMSDBZUPAUEDD-UHFFFAOYSA-N 0.000 claims description 3
- SXRSQZLOMIGNAQ-UHFFFAOYSA-N Glutaraldehyde Chemical compound O=CCCCC=O SXRSQZLOMIGNAQ-UHFFFAOYSA-N 0.000 claims description 3
- BOTDANWDWHJENH-UHFFFAOYSA-N Tetraethyl orthosilicate Chemical compound CCO[Si](OCC)(OCC)OCC BOTDANWDWHJENH-UHFFFAOYSA-N 0.000 claims description 3
- 239000004964 aerogel Substances 0.000 claims description 3
- 230000032683 aging Effects 0.000 claims description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N ammonia Natural products N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 3
- 235000011114 ammonium hydroxide Nutrition 0.000 claims description 3
- 229910052786 argon Inorganic materials 0.000 claims description 3
- 229910002091 carbon monoxide Inorganic materials 0.000 claims description 3
- 238000010000 carbonizing Methods 0.000 claims description 3
- 239000004927 clay Substances 0.000 claims description 3
- 238000001816 cooling Methods 0.000 claims description 3
- 239000008367 deionised water Substances 0.000 claims description 3
- 229910021641 deionized water Inorganic materials 0.000 claims description 3
- 238000007865 diluting Methods 0.000 claims description 3
- IDGUHHHQCWSQLU-UHFFFAOYSA-N ethanol;hydrate Chemical compound O.CCO IDGUHHHQCWSQLU-UHFFFAOYSA-N 0.000 claims description 3
- 235000019253 formic acid Nutrition 0.000 claims description 3
- 239000003365 glass fiber Substances 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 claims description 3
- 239000011259 mixed solution Substances 0.000 claims description 3
- 229910052757 nitrogen Inorganic materials 0.000 claims description 3
- 239000004482 other powder Substances 0.000 claims description 3
- 239000008363 phosphate buffer Substances 0.000 claims description 3
- 229940083466 soybean lecithin Drugs 0.000 claims description 3
- 238000003756 stirring Methods 0.000 claims description 3
- 239000005051 trimethylchlorosilane Substances 0.000 claims description 3
- 238000001132 ultrasonic dispersion Methods 0.000 claims description 3
- 238000005303 weighing Methods 0.000 claims description 3
- 238000005474 detonation Methods 0.000 claims 1
- 239000010410 layer Substances 0.000 abstract description 32
- 239000002360 explosive Substances 0.000 abstract description 9
- 238000005260 corrosion Methods 0.000 abstract description 7
- 230000007797 corrosion Effects 0.000 abstract description 7
- 238000005253 cladding Methods 0.000 abstract description 3
- 239000011229 interlayer Substances 0.000 abstract description 3
- 230000000052 comparative effect Effects 0.000 description 9
- 239000002131 composite material Substances 0.000 description 7
- 239000007789 gas Substances 0.000 description 7
- 229910000831 Steel Inorganic materials 0.000 description 6
- 239000010959 steel Substances 0.000 description 6
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 5
- 239000010936 titanium Substances 0.000 description 5
- 229910052719 titanium Inorganic materials 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000011068 loading method Methods 0.000 description 4
- 239000000443 aerosol Substances 0.000 description 3
- 238000013329 compounding Methods 0.000 description 3
- 238000011056 performance test Methods 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- GGBJHURWWWLEQH-UHFFFAOYSA-N butylcyclohexane Chemical compound CCCCC1CCCCC1 GGBJHURWWWLEQH-UHFFFAOYSA-N 0.000 description 2
- 229960004424 carbon dioxide Drugs 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 229910000510 noble metal Inorganic materials 0.000 description 2
- 239000003921 oil Substances 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- PAWQVTBBRAZDMG-UHFFFAOYSA-N 2-(3-bromo-2-fluorophenyl)acetic acid Chemical compound OC(=O)CC1=CC=CC(Br)=C1F PAWQVTBBRAZDMG-UHFFFAOYSA-N 0.000 description 1
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 1
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229910001882 dioxygen Inorganic materials 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N iron oxide Inorganic materials [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- -1 octadecylamine salt Chemical class 0.000 description 1
- NDLPOXTZKUMGOV-UHFFFAOYSA-N oxo(oxoferriooxy)iron hydrate Chemical compound O.O=[Fe]O[Fe]=O NDLPOXTZKUMGOV-UHFFFAOYSA-N 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 229910052720 vanadium Inorganic materials 0.000 description 1
- GPPXJZIENCGNKB-UHFFFAOYSA-N vanadium Chemical compound [V]#[V] GPPXJZIENCGNKB-UHFFFAOYSA-N 0.000 description 1
- 239000001993 wax Substances 0.000 description 1
Classifications
-
- 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
Abstract
The application relates to the technical field of metal composite plates, and particularly discloses an explosion welding preparation method of a novel marine metal composite plate. The explosion welding process of the novel marine metal composite board includes the steps of filling oxygen, methane, coconut shell active carbon and silicon dioxide @ oxy-perfluorocarbon into a high pressure inflating bag to prepare a welding energy bag to replace traditional explosive; then, welding and sealing the metal of the cladding layer to be welded and the metal of the base layer by adopting a metal strip, and filling high-pressure air after welding to enable the metal of the cladding layer to be welded and the metal of the base layer to be completely parallel, wherein a high-pressure air support replaces a traditional point support; finally, fixing the welding energy bag on the multi-layer metal, and connecting the detonator with the welding energy bag; and (5) igniting a detonator to detonate and weld energy. The novel marine metal composite board prepared by the application has the advantages of high interlayer bonding strength, high yield, high shearing strength, corrosion resistance and the like, and is suitable for the fields of ship manufacturing and other large-scale industrial manufacturing.
Description
Technical Field
The application relates to the technical field of metal composite plates, in particular to an explosion welding preparation method of a novel marine metal composite plate.
Background
At present, steel plates and some anticorrosive coatings are mainly used for the domestic ship construction, and the marine environment is very complex, so that the ship body and related parts are very easy to corrode, the maintenance cost of the ship is greatly improved, and the service life of the ship is reduced. The metal material has the advantages of corrosion resistance, light weight, high strength, high-temperature impact resistance and the like in the marine environment, and is extremely suitable for marine engineering. However, the expensive cost limits the application of the metal composite plate, and the metal composite plate is used as a substitute for single rare noble metal, so that the metal composite plate has the obvious advantages of saving the use amount of noble metal and reducing the manufacturing cost by 50-70 percent. The composite material of the metal composite plate can be vanadium, titanium, nickel, stainless steel and the like, and the base layer can be ship steel.
The explosion compounding method is to utilize welding energy to drive the compound plate to collide with the base plate obliquely to generate metal jet to clean the oxide film on the metal surface, and to realize metallurgical bonding of two metal atoms under huge pressure. The method has simple preparation process and low cost, is used for preparing composite boards with thicker composite layers and base layers, and is an important method for producing metal composite boards.
At present, welding energy selected by preparing the composite board by explosion is mainly explosive. The explosive belongs to a great danger source, is greatly limited in industrial production and use, and meanwhile, the ammonium nitrate fuel oil explosive and the emulsion explosive in China cannot be directly used for explosive compounding at present, various additives are required to be added, and the control of the explosive performance components is extremely complicated. In the current explosion compounding method, a dot-shaped gap supporting method is mainly adopted to keep a certain distance between the composite layer and the base layer, so that oblique collision occurs. The method can not ensure the flatness of the large-area and ultrathin metal composite layer, and can break through the ultrathin metal, and the manufacturing production of the large-area and ultrathin metal composite plate also becomes a problem of the military industry and the high-end manufacturing industry in China.
Disclosure of Invention
In order to further improve the welding efficiency and welding quality of the novel marine metal composite plate, the application provides an explosion welding preparation method of the novel marine metal composite plate.
In a first aspect, the application provides a novel explosion welding preparation method of a marine metal composite plate, which adopts the following technical scheme:
The explosion welding preparation method of the novel marine metal composite board comprises welding energy, wherein the welding energy comprises the following components in parts by mass: 40-55 parts of methane, 45-60 parts of oxygen, 2-3 parts of coconut shell activated carbon and 2.5-3.5 parts of silicon dioxide@oxy-perfluorocarbon; filling the welding energy source into a high-pressure air charge bag; the method specifically comprises the following steps: s1, preparing a welding energy bag: vacuumizing a high-pressure air bag, placing coconut shell activated carbon in another powder gun, connecting the powder gun with a methane bottle, filling methane and the coconut shell activated carbon into the high-pressure air bag from the powder gun, placing silicon dioxide@oxy-perfluorocarbon into the other powder gun after 2 hours, connecting the powder gun with an oxygen bottle, filling oxygen and silicon dioxide@oxy-perfluorocarbon into the high-pressure air bag from the powder gun, and standing for 20 minutes; s2, assembling: welding and sealing the metal strips between the multi-layer metal to be welded and the base metal, and filling high-pressure air after welding to enable the two to be completely parallel; s3, fixing the welding energy bag on the multi-layer metal, and connecting the detonator with the welding energy bag; s4, explosion welding: and igniting the detonator to detonate and weld the energy source for explosion welding.
By adopting the technical scheme, gas methane and oxygen are used as main explosion sources, coconut shell activated carbon and silicon dioxide@oxygen group-perfluorocarbon are used as powder explosion sources, and methane and silicon dioxide@oxygen group-perfluorocarbon stored by the coconut shell activated carbon are further involved in explosion to form multi-energy-level explosion, so that an excellent explosion welding effect is generated.
Preferably, the purity of the methane is greater than 99.995v%, the ethane content is less than or equal to 15v/10 -6, the oxygen content is less than or equal to 5v/10 -6, the hydrogen content is less than or equal to 5v/10 -6, and the moisture content is less than or equal to 5v/10 -6; the purity of oxygen is more than 99.7v%, the argon content is less than or equal to 10v/10 -6, the hydrogen content is less than or equal to 5v/10 -6, the carbon monoxide content is less than or equal to 5v/10 -6, the carbon dioxide content is less than or equal to 5v/10 -6, the methane content is less than or equal to 5v/10 -6, and the moisture content is less than or equal to 5v/10 -6.
By adopting the technical scheme, industrial methane and industrial oxygen are adopted as main explosion sources, the process is simple, and the cost is low.
Preferably, the inflation pressure of the welding energy source when it is filled in the high pressure airbag is 0.5-2MPa.
By adopting the technical scheme, the inflation pressure of 0.5-2MPa is adopted, so that the inflation process is safer.
Preferably, the preparation method of the silicon dioxide@oxygen group-perfluorocarbon comprises the following steps: (1) Weighing 2g of soybean lecithin, fully mixing and grinding 10mL of phosphate buffer, diluting to 100mL, enabling an ultrasonic dispersion instrument to act for 20min, filling nitrogen for 2min, sealing a system, filling 20g of perfluorobutylcyclohexane into the system, and shearing and dispersing at 1000, 5000, 10000 and 25000rpm for 10min respectively to obtain uniform perfluorocarbon emulsion; (2) Placing the perfluorocarbon emulsion into a hyperbaric oxygen chamber for 30min, and fully absorbing oxygen to obtain an oxy-perfluorobutyl cyclohexane emulsion; (3) Immersing 5g of modified silicon dioxide powder into 20mL of oxy-perfluorobutylcyclohexane emulsion, stirring at 400rpm for 1.5h, and filtering to obtain silicon dioxide@oxy-perfluorocarbon wet particles; (4) Mixing 3g of paraffin powder with 7g of silica @ oxy-perfluorocarbon wet particles, mechanically grinding for 3h, placing the mixture on a metal screen, heating the mixture at 60 ℃ until paraffin is melted, dripping redundant paraffin, and then cooling the mixture to form a paraffin film on the surfaces of the silica @ oxy-perfluorocarbon particles so as to obtain the silica @ oxy-perfluorocarbon.
By adopting the technical scheme, the prepared silicon dioxide@oxygen group-perfluorocarbon can store oxygen better by taking silicon dioxide as a carrier, taking perfluorocarbon as an oxygen solvent and sealing and storing by paraffin.
Preferably, the preparation method of the modified silicon dioxide powder comprises the following steps: 6mL of tetraethyl orthosilicate, 15mL of absolute ethyl alcohol, 1mL of deionized water and 0.3mL of hydrochloric acid with the concentration of 0.2mol/L are mixed, stirred for 5 minutes, then hydrolyzed for 5 hours at 50 ℃, then 1mL of aqueous ammonia solution with the concentration of 0.8mol/L is added, stirred for 5 minutes, and then gelled for 4 hours at 50 ℃; then crushing the gel, adding 2mL of uncrushed aerogel, and aging for 15 hours at 50 ℃; pouring out the ethanol solution, adding a corresponding amount of n-hexane, and placing the n-hexane-gel in a water bath kettle at 50 ℃ for 18 hours; pouring n-hexane, adding a corresponding amount of mixed solution containing 20 mass percent of trimethylchlorosilane and n-hexane for modification for 12 hours, pouring the solution, drying in a drying oven at 120 ℃ for 4 hours to obtain modified silica aerogel, grinding, and sieving with a 1000-mesh screen to obtain the modified silica.
By adopting the technical scheme, the obtained modified silicon dioxide has large pores, and is convenient for loading the oxo-perfluor butyl cyclohexane emulsion.
Preferably, the coconut shell activated carbon is prepared by the following method: cleaning 100g of coconut shells, airing, crushing to a particle size of 100-300 mu m, then treating in 200mL of treatment liquid, wherein the treatment liquid is a mixed liquid of formic acid, ethanol and glutaraldehyde with a mass ratio of 2:8:3, filtering, drying at 100 ℃, mixing with clay and glass fibers with a mass ratio of 8:1:0.5, and carbonizing at 1000 ℃ for 3 hours; and (3) cleaning the carbonized mixture with an ethanol water solution with the mass concentration of 55%, drying, grinding and sieving with a 1000-mesh sieve to obtain the coconut shell activated carbon.
By adopting the technical scheme, the prepared coconut shell activated carbon has high specific surface area and high total pore volume, and has good methane adsorption effect.
Preferably, the width of the metal strip in the step S2 is 1-10mm.
By adopting the technical scheme, the distance range is favorable for the welding energy to fully exert the welding effect.
In summary, the application has the following beneficial effects:
1. The application adopts industrial gas as main welding energy, and has simple process and low cost; the high-pressure air support is adopted to replace the traditional point support, so that the flatness of large-area ultrathin metal can be ensured; compared with the traditional explosion preparation method, the ultrathin metal composite plate with the length of more than 15m can be prepared.
2. According to the application, industrial gas methane is preferably adopted as a main welding energy source, the coconut shell activated carbon and the silicon dioxide@oxygen-perfluorocarbon are added to form aerosol, and the coconut shell activated carbon is used for loading methane, the silicon dioxide@oxygen-perfluorocarbon is used for loading oxygen, so that during explosion welding, the methane and the oxygen gas explode, the aerosol generates powder explosion, and meanwhile, the methane loaded by the coconut shell activated carbon and the oxygen loaded by the silicon dioxide@oxygen-perfluorocarbon are released to generate explosion, so that multi-level explosion is finally formed, and the metallurgical combination of the multi-layer metal and the base metal atoms is realized.
3. The metal composite plate interlayer bonding strength and the yield of the novel marine metal composite plate prepared by the explosion welding preparation method are high, and the novel marine metal composite plate interlayer bonding strength and yield are high, has the advantages of high shearing strength, corrosion resistance and the like, and is suitable for the fields of ship manufacturing and other large-scale industrial manufacturing.
Drawings
Fig. 1: the explosion welding assembly schematic diagram of the novel marine metal composite board;
1, an energy structure; 2. A compound plate; 3. High pressure air; 4. a substrate; 5. and (5) detonators.
Detailed Description
The present application will be described in further detail with reference to examples.
The raw materials of the examples and comparative examples of the present application are commercially available in general except for the specific descriptions.
Examples
Example 1
A novel explosion welding preparation method of a marine metal composite plate comprises the following steps:
S1, preparing a welding energy bag: vacuumizing a high-pressure air bag, placing coconut shell activated carbon in another powder gun, connecting the powder gun with a methane bottle, filling methane and the coconut shell activated carbon into the high-pressure air bag from the powder gun (the air pressure is 0.5 MPa), placing silicon dioxide@oxygen-perfluorocarbon into the other powder gun after 2 hours, connecting the powder gun with an oxygen bottle, filling oxygen and silicon dioxide@oxygen-perfluorocarbon into the high-pressure air bag from the powder gun (the air pressure is 0.5 MPa), and standing for 20 minutes; s2, assembling: welding and sealing the metal of the to-be-welded multi-layer and the metal of the base layer by adopting a metal strip (the width of the metal strip is 6 mm), reserving an air charging hole on the metal strip, and charging high-pressure air into the air charging hole after welding to enable the metal strip and the base layer to be completely parallel; s3, fixing the welding energy bag on the multi-layer metal, and connecting the detonator with the welding energy bag; s4, explosion welding: and igniting the detonator to detonate and weld the energy source for explosion welding.
The explosion welding assembly structure of the novel marine metal composite plate is shown in figure 1.
The welding energy comprises the following components in parts by mass: 40 parts of methane, 45 parts of oxygen, 2 parts of coconut shell activated carbon and 2.5 parts of silicon dioxide@oxy-perfluorocarbon.
The multi-layer metal is a titanium plate with the specification of 2000mm multiplied by 15000mm multiplied by 1.5mm; the base metal is steel plate with the specification of 2000mm multiplied by 15000mm multiplied by 50mm.
The methane accords with national standard GB/T33102-2016, the purity is more than 99.995v%, the ethane content is less than or equal to 15v/10 -6, the oxygen content is less than or equal to 5v/10 -6, the hydrogen content is less than or equal to 5v/10 -6, the moisture content is less than or equal to 5v/10 -66, and the filling pressure of the gas cylinder is 15MPa.
The oxygen accords with national standard GB/T3863-1995, the purity is more than 99.7v%, the argon content is less than or equal to 10v/10 -6, the hydrogen content is less than or equal to 5v/10 -6, the carbon monoxide content is less than or equal to 5v/10 -6, the carbon dioxide content is less than or equal to 5v/10 -6, the methane content is less than or equal to 5v/10 -6, the moisture content is less than or equal to 5v/10 -6, and the filling pressure of the gas cylinder is 15MPa.
The high-strength inflatable bag meets the following conditions: the bearing capacity is >5mpa.
The preparation method of the silicon dioxide@oxygen group-perfluorocarbon comprises the following steps: (1) Weighing 2g of soybean lecithin, fully mixing and grinding 10mL of phosphate buffer, diluting to 100mL, performing ultrasonic dispersion for 20min, charging nitrogen for 2min, sealing a system, adding 20g of perfluorobutylcyclohexane into the system, and shearing and dispersing at 1000, 5000, 10000 and 25000rpm for 10min respectively to obtain uniform perfluorocarbon emulsion; (2) Placing the perfluorocarbon emulsion into a hyperbaric oxygen chamber for 30min, and fully absorbing oxygen to obtain an oxy-perfluorobutyl cyclohexane emulsion; (3) Immersing 5g of modified silicon dioxide powder into 20mL of oxy-perfluorobutylcyclohexane emulsion, stirring at 400rpm for 1.5h, and filtering to obtain silicon dioxide@oxy-perfluorocarbon wet particles; (4) Mixing 3g of paraffin powder with 7g of silica @ oxy-perfluorocarbon wet particles, mechanically grinding for 3h, placing the mixture on a metal screen, heating the mixture at 60 ℃ until paraffin is melted, dripping redundant paraffin, and then cooling the mixture to form a paraffin film on the surfaces of the silica @ oxy-perfluorocarbon particles so as to obtain the silica @ oxy-perfluorocarbon.
The preparation method of the modified silicon dioxide powder comprises the following steps: 6mL of tetraethyl orthosilicate, 15mL of absolute ethyl alcohol, 1mL of deionized water and 0.3mL of hydrochloric acid with the concentration of 0.2mol/L are mixed, stirred for 5 minutes, then hydrolyzed for 5 hours at 50 ℃, then 1mL of aqueous ammonia solution with the concentration of 0.8mol/L is added, stirred for 5 minutes, and then gelled for 4 hours at 50 ℃; then adding 2mL of uncrushed aerogel after gel breaking, and aging for 15h at 50 ℃ (anhydrous ethanol is replaced after every 5 h); pouring out the ethanol solution, adding a corresponding amount of n-hexane, and placing the n-hexane-gel in a water bath kettle at 50 ℃ for 18 hours (n-hexane is replaced every 9 hours); pouring n-hexane, adding a corresponding amount of mixed solution containing 20 mass percent of trimethylchlorosilane and n-hexane for modification for 12 hours, pouring the solution, drying in a drying oven at 120 ℃ for 4 hours to obtain modified silica aerogel, grinding, and sieving with a 1000-mesh screen to obtain the modified silica.
The coconut shell activated carbon is prepared by the following method: cleaning 100g of coconut shells, airing, crushing to a particle size of 100-300 mu m, then treating in 200mL of treatment liquid, wherein the treatment liquid is a mixed liquid of formic acid, ethanol and glutaraldehyde with a mass ratio of 2:8:3, filtering, drying at 100 ℃, mixing with clay and glass fibers with a mass ratio of 8:1:0.5, and carbonizing at 1000 ℃ for 3 hours; and (3) cleaning the carbonized mixture with an ethanol water solution with the mass concentration of 55%, drying, grinding and sieving with a 1000-mesh sieve to obtain the coconut shell activated carbon.
Example 2
A novel explosion welding preparation method of a marine metal composite plate comprises the following steps:
S1, preparing a welding energy bag: vacuumizing a high-pressure inflation bag, placing silicon dioxide@oxygen-perfluorocarbon in a powder gun, connecting the powder gun with an oxygen cylinder, inflating oxygen and silicon dioxide@oxygen-perfluorocarbon into the high-pressure inflation bag (the inflation pressure is 1 MPa) from the powder gun, placing coconut shell activated carbon into another powder gun after 20min, connecting the powder gun with a methane cylinder, inflating methane and coconut shell activated carbon into the high-pressure inflation bag (the inflation pressure is 1 MPa) from the powder gun, and standing for 30min; s2, assembling: welding and sealing the metal of the to-be-welded multi-layer and the metal of the base layer by adopting a metal strip (the width of the metal strip is 4 mm), reserving an air charging hole on the metal strip, and charging high-pressure air into the air charging hole after welding to enable the metal strip and the base layer to be completely parallel; s3, fixing the welding energy bag on the multi-layer metal, and connecting the detonator with the welding energy bag; s4, explosion welding: and igniting the detonator to detonate and weld the energy source for explosion welding.
The welding energy comprises the following components in parts by mass: 50 parts of methane, 50 parts of oxygen, 2.5 parts of coconut shell activated carbon and 3 parts of silicon dioxide@oxy-perfluorocarbon.
The multi-layer metal is a titanium plate with the specification of 2000mm multiplied by 20000mm multiplied by 0.5mm; the base metal is steel plate with the specification of 2000mm x 20000mm x 8mm.
The methane, oxygen, high strength airbag, and coconut activated carbon and silica @ oxy-perfluorocarbon were prepared as in example 1.
Example 3
A novel explosion welding preparation method of a marine metal composite plate comprises the following steps:
S1, preparing a welding energy bag: vacuumizing a high-pressure inflation bag, placing silicon dioxide@oxygen-perfluorocarbon in a powder gun, connecting the powder gun with an oxygen cylinder, inflating oxygen and silicon dioxide@oxygen-perfluorocarbon into the high-pressure inflation bag (the inflation pressure is 2 MPa) from the powder gun, placing coconut shell activated carbon into another powder gun after 20min, connecting the powder gun with a methane cylinder, inflating methane and coconut shell activated carbon into the high-pressure inflation bag (the inflation pressure is 2 MPa) from the powder gun, and standing for 30min; s2, assembling: welding and sealing the metal of the cladding layer and the metal of the base layer to be welded by adopting a metal strip (the width of the metal strip is 1-10 mm), reserving an air charging hole on the metal strip, and charging high-pressure air into the air charging hole after welding to enable the metal strip and the base layer to be completely parallel; s3, fixing the welding energy bag on the multi-layer metal, and connecting the detonator with the welding energy bag; s4, explosion welding: and igniting the detonator to detonate and weld the energy source for explosion welding.
The welding energy comprises the following components in parts by mass: 55 parts of methane, 60 parts of oxygen, 3 parts of coconut shell activated carbon and 3.5 parts of silicon dioxide@oxy-perfluorocarbon.
The multi-layer metal is a titanium plate with the specification of 2000mm multiplied by 18000mm multiplied by 2mm; the base metal is steel plate with the specification of 2000mm multiplied by 18000mm multiplied by 50mm.
The methane, oxygen, high strength airbag, and coconut activated carbon and silica @ oxy-perfluorocarbon were prepared as in example 1.
Comparative example
Comparative example 1
The same as in example 2, except that: the welding energy comprises the following components in parts by mass: 50 parts of methane and 50 parts of oxygen.
Comparative example 2
The same as in example 2, except that: replacing silicon dioxide @ oxy-perfluorocarbon with coconut activated carbon, namely: the welding energy comprises the following components in parts by mass: 50 parts of methane, 50 parts of oxygen and 5.5 parts of coconut shell activated carbon.
Comparative example 3
The novel marine metal composite board is prepared by adopting a traditional explosion welding method, and specifically comprises the following steps: loading explosion energy into a honeycomb aluminum plate, connecting the explosion energy with a detonator, placing the honeycomb aluminum plate on a multi-layer metal, installing a support piece between the multi-layer metal and a base metal, and igniting the detonator for explosion welding, wherein the multi-layer metal is a titanium plate with the specification of 2000mm multiplied by 20000mm multiplied by 0.5mm; the base metal is steel plate with the specification of 2000mm x 20000mm x 8mm.
The explosion energy source comprises the following components in mass fraction: 70 parts of ammonium acid, 4 parts of composite oil phase (the composite oil phase comprises 3 parts of solid wax, 0.3 part of octadecylamine salt) and 25 parts of doping powder (20 parts of ferric oxide powder and 7 parts of diatomite powder).
Performance test
The novel marine metal composite panels prepared in examples 1-3 and comparative examples 1-3 were subjected to the following performance tests:
The test results are shown in Table 1:
TABLE 1 results of Performance test of novel Marine metal composite plates prepared in examples 1-3 and comparative examples 1-3
From table 1, it can be seen that the novel marine metal composite plate prepared by the explosive welding preparation method of the novel marine metal composite plate according to examples 1 to 3 of the present application has excellent inter-plate bonding rate, shear strength and corrosion resistance. As can be seen from the combination of the example 2 and the comparative example 3, compared with the explosion welding method of the traditional explosive, the plate-pricking welding method of the application can greatly improve the bonding rate of the metal plate and simultaneously improve the shearing strength and the corrosion resistance; as can be seen from the combination of example 2 and comparative examples 1 and 2, the addition of the coconut shell activated carbon solid particles can improve the bonding rate, shear strength and corrosion resistance between the novel metal composite plates for the ship, compared with the methane and oxygen only gas, which is probably due to the fact that the addition of the coconut shell activated carbon solid particles forms aerosol in the gas, and the explosion energy is further improved when the methane and the oxygen explode; and when the coconut shell activated carbon and the silicon dioxide@oxygen-perfluorocarbon are added, the bonding rate, the shearing strength and the corrosion resistance between the novel marine metal composite plate can be further improved, and the novel marine metal composite plate is probably due to the fact that besides methane and oxygen explosion and powder explosion, the oxygen stored in the methane and the silicon dioxide@oxygen-perfluorocarbon absorbed by the coconut shell activated carbon is released and also participates in explosion, and finally multi-level explosion is formed, so that the welding effect is improved.
The present embodiment is only for explanation of the present application and is not to be construed as limiting the present application, and modifications to the present embodiment, which may not creatively contribute to the present application as required by those skilled in the art after reading the present specification, are all protected by patent laws within the scope of claims of the present application.
Claims (7)
1. The explosion welding preparation method of the novel marine metal composite board is characterized by comprising welding energy, wherein the welding energy comprises the following components in parts by mass: 40-55 parts of methane, 45-60 parts of oxygen, 2-3 parts of coconut shell activated carbon and 2.5-3.5 parts of silicon dioxide@oxy-perfluorocarbon; filling the welding energy source into a high-pressure air charge bag; the method specifically comprises the following steps: s1, preparing a welding energy bag: vacuumizing a high-pressure air bag, placing coconut shell activated carbon in another powder gun, connecting the powder gun with a methane bottle, filling methane and the coconut shell activated carbon into the high-pressure air bag from the powder gun, placing silicon dioxide@oxy-perfluorocarbon into the other powder gun after 2 hours, connecting the powder gun with an oxygen bottle, filling oxygen and silicon dioxide@oxy-perfluorocarbon into the high-pressure air bag from the powder gun, and standing for 20 minutes; s2, assembling: welding and sealing the metal strips between the multi-layer metal to be welded and the base metal, and filling high-pressure air after welding to enable the two to be completely parallel; s3, fixing the welding energy bag on the multi-layer metal, and connecting the detonator with the welding energy bag; s4, explosion welding: igniting detonator detonation welding energy source to perform explosion welding; the preparation method of the silicon dioxide@oxygen group-perfluorocarbon comprises the following steps: (1) Weighing 2g of soybean lecithin, fully mixing and grinding 10mL of phosphate buffer, diluting to 100mL, enabling an ultrasonic dispersion instrument to act for 20min, filling nitrogen for 2min, sealing a system, filling 20g of perfluorobutylcyclohexane into the system, and shearing and dispersing at 1000, 5000, 10000 and 25000rpm for 10min respectively to obtain uniform perfluorocarbon emulsion; (2) Placing the perfluorocarbon emulsion into a hyperbaric oxygen chamber for 30min, and fully absorbing oxygen to obtain an oxy-perfluorobutyl cyclohexane emulsion; (3) Immersing 5g of modified silicon dioxide powder into 20mL of oxy-perfluorobutylcyclohexane emulsion, stirring at 400rpm for 1.5h, and filtering to obtain silicon dioxide@oxy-perfluorocarbon wet particles; (4) Mixing 3g of paraffin powder with 7g of silica @ oxy-perfluorocarbon wet particles, mechanically grinding for 3h, placing the mixture on a metal screen, heating the mixture at 60 ℃ until paraffin is melted, dripping redundant paraffin, and then cooling the mixture to form a paraffin film on the surfaces of the silica @ oxy-perfluorocarbon particles so as to obtain the silica @ oxy-perfluorocarbon.
2. The method for preparing a novel marine metal composite plate according to claim 1, wherein the purity of methane is greater than 99.995v%, the ethane content is less than or equal to 15v/10 -6, the oxygen content is less than or equal to 5v/10 -6, the hydrogen content is less than or equal to 5v/10 -6, and the moisture content is less than or equal to 5v/10 -6.
3. The method for preparing a novel marine metal composite plate according to claim 2, wherein the oxygen purity is greater than 99.7v%, the argon content is less than or equal to 10v/10 -6, the hydrogen content is less than or equal to 5v/10 -6, the carbon monoxide content is less than or equal to 5v/10 -6, the carbon dioxide content is less than or equal to 5v/10 -6, the methane content is less than or equal to 5v/10 -6, and the moisture content is less than or equal to 5v/10 -6.
4. A method of manufacturing a new marine metal composite panel according to claim 3, wherein the inflation pressure when the welding energy source is filled in the high pressure airbag is 0.5-2MPa.
5. The method for preparing the novel marine metal composite plate by explosion welding according to claim 4, wherein the preparation method of the modified silicon dioxide powder is as follows: 6mL of tetraethyl orthosilicate, 15mL of absolute ethyl alcohol, 1mL of deionized water and 0.3mL of hydrochloric acid with the concentration of 0.2mol/L are mixed, stirred for 5 minutes, then hydrolyzed for 5 hours at 50 ℃, then 1mL of aqueous ammonia solution with the concentration of 0.8mol/L is added, stirred for 5 minutes, and then gelled for 4 hours at 50 ℃; then crushing the gel, adding 2mL of uncrushed aerogel, and aging for 15 hours at 50 ℃; pouring out the ethanol solution, adding a corresponding amount of n-hexane, and placing the n-hexane-gel in a water bath kettle at 50 ℃ for 18 hours; pouring n-hexane, adding a corresponding amount of mixed solution containing 20 mass percent of trimethylchlorosilane and n-hexane for modification for 12 hours, pouring the solution, drying in a drying oven at 120 ℃ for 4 hours to obtain modified silica aerogel, grinding, and sieving with a 1000-mesh screen to obtain the modified silica.
6. The method for preparing the novel marine metal composite plate by explosion welding according to claim 5, wherein the coconut shell activated carbon is prepared by the following method: cleaning 100g of coconut shells, airing, crushing to a particle size of 100-300 mu m, then treating in 200mL of treatment liquid, wherein the treatment liquid is a mixed liquid of formic acid, ethanol and glutaraldehyde with a mass ratio of 2:8:3, filtering, drying at 100 ℃, mixing with clay and glass fibers with a mass ratio of 8:1:0.5, and carbonizing at 1000 ℃ for 3 hours; and (3) cleaning the carbonized mixture with an ethanol water solution with the mass concentration of 55%, drying, grinding and sieving with a 1000-mesh sieve to obtain the coconut shell activated carbon.
7. The method for preparing the novel marine metal composite plate by explosion welding according to claim 6, wherein the width of the metal strip in the step S2 is 1-10mm.
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