CN110315191A - Two-sided stainless steel clad plate explosive welding structure and its welding method - Google Patents
Two-sided stainless steel clad plate explosive welding structure and its welding method Download PDFInfo
- Publication number
- CN110315191A CN110315191A CN201910735535.6A CN201910735535A CN110315191A CN 110315191 A CN110315191 A CN 110315191A CN 201910735535 A CN201910735535 A CN 201910735535A CN 110315191 A CN110315191 A CN 110315191A
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- Prior art keywords
- stainless steel
- steel plate
- explosive
- plate
- thick stainless
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- 239000010935 stainless steel Substances 0.000 title claims abstract description 75
- 229910001220 stainless steel Inorganic materials 0.000 title claims abstract description 75
- 239000002360 explosive Substances 0.000 title claims abstract description 51
- 238000003466 welding Methods 0.000 title claims abstract description 37
- 238000000034 method Methods 0.000 title claims abstract description 18
- 239000003814 drug Substances 0.000 claims abstract description 31
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 29
- 239000010959 steel Substances 0.000 claims abstract description 29
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 28
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 28
- 239000002131 composite material Substances 0.000 claims abstract description 17
- 238000004880 explosion Methods 0.000 claims description 14
- 229910000975 Carbon steel Inorganic materials 0.000 claims description 10
- 239000010962 carbon steel Substances 0.000 claims description 10
- 229940079593 drug Drugs 0.000 claims description 5
- 238000005474 detonation Methods 0.000 claims description 3
- 239000000843 powder Substances 0.000 claims description 3
- 239000004576 sand Substances 0.000 claims description 3
- 230000003746 surface roughness Effects 0.000 claims description 3
- 238000004381 surface treatment Methods 0.000 claims description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims 5
- 229910000746 Structural steel Inorganic materials 0.000 claims 2
- 229910052742 iron Inorganic materials 0.000 claims 2
- 239000011120 plywood Substances 0.000 claims 1
- 230000008901 benefit Effects 0.000 abstract description 8
- 238000005516 engineering process Methods 0.000 abstract description 7
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 239000002184 metal Substances 0.000 abstract description 2
- 238000005260 corrosion Methods 0.000 description 6
- 230000007797 corrosion Effects 0.000 description 6
- 229910000851 Alloy steel Inorganic materials 0.000 description 4
- 238000010276 construction Methods 0.000 description 4
- 150000001875 compounds Chemical class 0.000 description 3
- 235000003140 Panax quinquefolius Nutrition 0.000 description 2
- 240000005373 Panax quinquefolius Species 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 239000003513 alkali Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000003973 paint Substances 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 241001474374 Blennius Species 0.000 description 1
- 241001062472 Stokellia anisodon Species 0.000 description 1
- 238000005275 alloying Methods 0.000 description 1
- 229910001566 austenite Inorganic materials 0.000 description 1
- 230000001680 brushing effect Effects 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 239000013067 intermediate product Substances 0.000 description 1
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- -1 steam Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000003643 water by type 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
-
- 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
-
- 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
- B23K2103/00—Materials to be soldered, welded or cut
- B23K2103/02—Iron or ferrous alloys
- B23K2103/04—Steel or steel alloys
- B23K2103/05—Stainless steel
Abstract
The present invention relates to composite metal plate manufacturing technology fields, more particularly to the explosive welding structure and its welding method of the two-sided stainless steel clad plate of manufacture.The present invention includes: carbon constructional steel plate, bracket, thick stainless steel plate and demolition set；Carbon constructional steel plate vertically-arranged；Each vertically-arranged one in two sides opens thick stainless steel plate, several brackets are provided between thick stainless steel plate and carbon constructional steel plate；The outside of destructor vertically-arranged and thick stainless steel plate.Destructor includes: that papery contains medicine box, explosive and detonator；Papery contains the top that medicine box is placed in thick stainless steel plate；Explosive is contained in medicine box loaded on papery and is struck off with scraper plate, it is ensured that the consistency of thickness of explosive；Detonator is inserted into the center of explosive.Technical solution of the present invention has many advantages, such as structure novel, simple processing, easy to use, and positive social benefit and significant economic benefit will be generated by putting goods on the market.
Description
Technical field
The present invention relates to the explosion welderings of composite metal plate manufacturing technology field, more particularly to the two-sided stainless steel clad plate of manufacture
Binding structure and its welding method.
Background technique
Structural carbon steel due to smelt be easy, yield is big, cheap and be widely used in automobile, household electrical appliance, steel knot
Structure workshop etc., but the disadvantage is that be easy in the environment such as air or humidity, acid, alkali, salt in corrosion, frequently with zinc-plated, brushing
Paint is a large amount of very serious to the pollution of environment using paint and zinc-plated production process to protect, and safeguards also highly difficult.Stainless steel energy
The corrosion of enough resistance to empty gas and waters, steam, acid, alkali, salt etc., is widely applied to the industry such as chemistry, petroleum, food, but due to stainless steel
Rare expensive alloying elements are needed, manufacturing cost is high.
In order to reduce cost, Explosive Welding Composite Plates are used at present, both carbon constructional steel plate passed through explosion welding technique,
Carbon constructional steel plate outer layer welds certain thickness stainless steel, generally single side Explosive Welding Composite Plates, and there are still corrosions for side
Problem, in addition stainless steel composite board coating is thicker or area is larger, and composite surface is difficult to reach 100%.
For it is above-mentioned the problems of in the prior art, a kind of novel two-sided stainless steel clad plate explosion of researching and designing
Welding structure and its welding method, so that it is very necessary for overcoming the problems of in the prior art.
Summary of the invention
The present invention provides a kind of two-sided stainless steel clad plate explosive welding structure and its welding method, to solve existing skill
Present in art: 1, existing explosive clad plate is generally that single side is compound, and another side can still have corrosion；2, because of composite area
It increases, it is difficult to reach the technical problems such as 100% multiplicity
The technological means that the present invention uses is as follows:
A kind of two-sided stainless steel clad plate explosive welding structure includes: carbon constructional steel plate, bracket, thick stainless steel plate and quick-fried
Breaking device；Carbon constructional steel plate vertically-arranged；Each vertically-arranged one in two sides opens thick stainless steel plate, between thick stainless steel plate and carbon constructional steel plate
It is provided with several brackets；The outside of destructor vertically-arranged and thick stainless steel plate.
Further, the specification of carbon constructional steel plate be long 6000~10000mm, wide 1500~2000mm, thickness 100~
200mm。
Further, the specification of thick stainless steel plate is long 6000~10000mm, wide 1500~2000mm, 10~20mm of thickness.
Further, 12~26mm of height of bracket.
Further, destructor includes: that papery contains medicine box, explosive and detonator；Papery contains medicine box and is placed in thick stainless steel plate
Top；Explosive is contained in medicine box loaded on papery and is struck off with scraper plate, it is ensured that the consistency of thickness of explosive；Detonator is inserted into explosive
The heart.
Further, the surface area that papery contains medicine box is greater than the surface area of thick stainless steel plate, can be by entire thick stainless steel
Plate covering.
The welding method of two-sided stainless steel clad plate explosive welding structure is following steps:
A, the surface treatment of plate: carrying out polishing cleaning to the sand for surface wheel of carbon constructional steel plate and thick stainless steel plate,
Descale and sundries make its surfacing, and unevenness < 2.8mm/m, surface roughness is less than 12.5 μm；
B, it successively puts: on the base by carbon constructional steel plate vertically-arranged；In the two sides of structural carbon steel, each vertically-arranged one opens thickness
Stainless steel plate and papery contain medicine box, several brackets are uniformly arranged between thick stainless steel plate and carbon constructional steel plate；Thick stainless steel
Plate will be aligned with structural carbon steel, met explosion high-voltage pulse load load and be distributed average needs；
C, powder charge: after papery Sheng medicine box places, explosive is poured into papery and contains medicine box, is scraped the explosive of stacking with scraper plate
It is flat, and drug thickness is measured with ruler, guarantee that explosive is uniformly distributed, obtains stable explosive welding overall process；Then at explosive center
It is inserted into detonator；
D, Explosion composite: while two sides cap sensitive explosive is lighted, 2000~3100mm/s of detonation velocity, instantaneous explosion makes
Deformation occurs and is welded together securely as double layer composite board for thick stainless steel plate.
Compared with the prior art, the invention has the following advantages that
Two-sided stainless steel clad plate explosive welding structure and its welding method provided by the invention, using two-sided explosive welding
Stainless steel clad plate, it is two-sided all to have stainless steel cladding, it not only ensure that the corrosion resistance of plate, but also reduce costs.
The two-sided stainless steel clad plate provided by the invention composite plate compound compared with existing single side is only real meaning
Composite plate, the compound composite plate of single side are intermediate product under conditions of its technology is incomplete；The present invention is to carbon knot
Structure steel (or low-alloy steel) realizes the two-sided stainless steel clad plate coated entirely, it can be achieved that carbon knot in any desired occasion
Structure steel (or low-alloy steel) has a stainless steel corrosion resistance, stainless steel have again the usability of structural carbon steel (or low-alloy steel) with
Craftsmanship；The two-way substitution of structural carbon steel (or low-alloy steel) and stainless steel can be realized as needed；It can make austenite stainless
Steel obtains magnetic and assigns specific use；The purposes for being rolled into the steel plate of various specifications with the product is more extensive: such as hull bottom, sea
Foreign platform, Bridge at Sea pile foundation, marine organisms, seaweed anticorrosion etc. can only be realized with two-sided stainless steel clad plate.
To sum up, applying the technical scheme of the present invention has many advantages, such as structure novel, simple processing, unique properties, puts into city
Field will generate positive social benefit and significant economic benefit.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to do simply to introduce, it should be apparent that, the accompanying drawings in the following description is this hair
Bright some embodiments for those of ordinary skill in the art without any creative labor, can be with
It obtains other drawings based on these drawings.
Fig. 1 is explosive welding structure arrangement schematic diagram of the present invention；
Fig. 2 is the schematic diagram of double-sided composite plate after Explosion composite of the present invention
In figure: 1, pedestal 2, carbon constructional steel plate 3, bracket 4, papery contain medicine box 5, thick stainless steel plate 6, explosive 7,
Detonator.
Specific embodiment
It should be noted that in the absence of conflict, the feature in embodiment and embodiment in the present invention can phase
Mutually combination.The present invention will be described in detail below with reference to the accompanying drawings and embodiments.
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is only
It is only a part of the embodiment of the present invention, instead of all the embodiments.It is real to the description of at least one exemplary embodiment below
It is merely illustrative on border, never as to the present invention and its application or any restrictions used.Based on the reality in the present invention
Example is applied, every other embodiment obtained by those of ordinary skill in the art without making creative efforts all belongs to
In the scope of protection of the invention.
It should be noted that term used herein above is merely to describe specific embodiment, and be not intended to restricted root
According to exemplary embodiments of the present invention.As used herein, unless the context clearly indicates otherwise, otherwise singular
Also it is intended to include plural form, additionally, it should be understood that, when in the present specification using term "comprising" and/or " packet
Include " when, indicate existing characteristics, step, operation, device, component and/or their combination.
Unless specifically stated otherwise, positioned opposite, the digital table of the component and step that otherwise illustrate in these embodiments
It is not limited the scope of the invention up to formula and numerical value.Simultaneously, it should be clear that for ease of description, each portion shown in attached drawing
The size divided not is to draw according to actual proportionate relationship.Technology known for person of ordinary skill in the relevant, side
Method and equipment may be not discussed in detail, but in the appropriate case, and the technology, method and apparatus should be considered as authorizing explanation
A part of book.In shown here and discussion all examples, any occurrence should be construed as merely illustratively, and
Not by way of limitation.Therefore, the other examples of exemplary embodiment can have different values.It should also be noted that similar label
Similar terms are indicated in following attached drawing with letter, therefore, once it is defined in a certain Xiang Yi attached drawing, then subsequent attached
It does not need that it is further discussed in figure.
In the description of the present invention, it is to be understood that, the noun of locality such as " front, rear, top, and bottom, left and right ", " it is laterally, vertical,
Vertically, orientation or positional relationship indicated by level " and " top, bottom " etc. is normally based on orientation or position shown in the drawings and closes
System, is merely for convenience of description of the present invention and simplification of the description, in the absence of explanation to the contrary, these nouns of locality do not indicate that
It must have a particular orientation or be constructed and operated in a specific orientation with the device or element for implying signified, therefore cannot manage
Solution is limiting the scope of the invention: the noun of locality " inside and outside " refers to inside and outside the profile relative to each component itself.
For ease of description, spatially relative term can be used herein, as " ... on ", " ... top ",
" ... upper surface ", " above " etc., for describing such as a device shown in the figure or feature and other devices or spy
The spatial relation of sign.It should be understood that spatially relative term is intended to comprising the orientation in addition to device described in figure
Except different direction in use or operation.For example, being described as if the device in attached drawing is squeezed " in other devices
It will be positioned as " under other devices or construction after part or construction top " or the device of " on other devices or construction "
Side " or " under its device or construction ".Thus, exemplary term " ... top " may include " ... top " and
" in ... lower section " two kinds of orientation.The device can also be positioned with other different modes and (is rotated by 90 ° or in other orientation), and
And respective explanations are made to the opposite description in space used herein above.
In addition, it should be noted that, limiting components using the words such as " first ", " second ", it is only for be convenient for
Corresponding components are distinguished, do not have Stated otherwise such as, there is no particular meanings for above-mentioned word, therefore should not be understood as to this
The limitation of invention protection scope.
As shown, including: structural carbon steel the present invention provides a kind of two-sided stainless steel clad plate explosive welding structure
Plate 2, bracket 3, thick stainless steel plate 5 and demolition set；2 vertically-arranged of carbon constructional steel plate；Each vertically-arranged one in two sides opens thick stainless steel plate 5,
Several brackets 3 are provided between thick stainless steel plate 5 and carbon constructional steel plate 2；Destructor vertically-arranged is outer with thick stainless steel plate 5
Side.
The specification of carbon constructional steel plate 2 is long 6000~10000mm, wide 1500~2000mm, 100~200mm of thickness.
The specification of thick stainless steel plate 5 is long 6000~10000mm, wide 1500~2000mm, 10~20mm of thickness.
12~26mm of height of bracket 3.
Destructor includes: that papery contains medicine box 4, explosive 6 and detonator 7；Papery contains medicine box 4 and is placed in the upper of thick stainless steel plate 5
Portion；Explosive 6 is contained in medicine box 4 loaded on papery and is struck off with scraper plate, it is ensured that the consistency of thickness of explosive 6；Detonator 7 is inserted into explosive 6
Center.
The surface area that papery contains medicine box 4 is greater than the surface area of thick stainless steel plate 5, can cover entire thick stainless steel plate 5.
The welding method of two-sided stainless steel clad plate explosive welding structure is following steps:
A, the surface treatment of plate: the sand for surface wheel of carbon constructional steel plate 2 and thick stainless steel plate 5 polish clear
Reason, descale and sundries, make its surfacing, unevenness < 2.8mm/m, surface roughness is less than 12.5 μm；
B, it successively puts: on the base by 2 vertically-arranged of carbon constructional steel plate；In the two sides of structural carbon steel 2, each vertically-arranged one is opened
Thick stainless steel plate 5 and papery contain medicine box 4, several brackets 3 are uniformly arranged between thick stainless steel plate 5 and carbon constructional steel plate 2；It is thick
Stainless steel plate 5 will be aligned with structural carbon steel 2, met explosion high-voltage pulse load load and be distributed average needs；
C, powder charge: after papery Sheng medicine box 4 places, pouring into papery for explosive 6 and contain medicine box 4, with scraper plate frying stacking
Medicine 6 strikes off, and measures drug thickness with ruler, guarantees that explosive 6 is uniformly distributed, obtains stable explosive welding overall process；Then fried
Detonator 7 is inserted at 6 center of medicine；
D, Explosion composite: while lighting 7 ignition charge 6 of two sides detonator, 2000~3100mm/s of detonation velocity, instantaneous explosion
Making thick stainless steel plate 5, deformation occurs and is welded together securely as double layer composite board.
Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent
Pipe present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: its according to
So be possible to modify the technical solutions described in the foregoing embodiments, or to some or all of the technical features into
Row equivalent replacement；And these are modified or replaceed, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution
The range of scheme.
Claims (7)
1. a kind of two-sided stainless steel clad plate explosive welding structure, which is characterized in that the explosive welding structure includes: carbon
Structural steel and iron (2), bracket (3), thick stainless steel plate (5) and demolition set；
Described carbon constructional steel plate (2) vertically-arranged；Each vertically-arranged one in two sides is opened thick stainless steel plate (5), thick stainless steel plate (5) and carbon
Several brackets (3) are provided between structural steel and iron (2)；
The outside of the destructor vertically-arranged and thick stainless steel plate (5).
2. two-sided stainless steel clad plate explosive welding structure according to claim 1, which is characterized in that the carbon knot
The specification of structure steel plate (2) is long 6000~10000mm, wide 1500~2000mm, 100~200mm of thickness.
3. two-sided stainless steel clad plate explosive welding structure according to claim 1, which is characterized in that the thickness is stainless
The specification of steel plate (5) is long 6000~10000mm, wide 1500~2000mm, 10~20mm of thickness.
4. two-sided stainless steel clad plate explosive welding structure according to claim 1, which is characterized in that the bracket
(3) 12~26mm of height.
5. two-sided stainless steel clad plate explosive welding structure according to claim 1, which is characterized in that the explosion dress
Set includes: that papery contains medicine box (4), explosive (6) and detonator (7)；Papery contains the top that medicine box (4) are placed in thick stainless steel plate (5)；It is fried
Medicine (6) is contained in medicine box (4) loaded on papery and is struck off with scraper plate, it is ensured that the consistency of thickness of explosive (6)；Detonator (7) is inserted into explosive
(6) center.
6. two-sided stainless steel clad plate explosive welding structure according to claim 5, which is characterized in that the papery is contained
The surface area of medicine box (4) is greater than the surface area of thick stainless steel plate (5), can cover entire thick stainless steel plate (5).
7. a kind of welding method based on two-sided stainless steel clad plate explosive welding structure described in claim 1；Its feature exists
In the welding method is following steps:
A, the surface treatment of plate: the sand for surface wheel of carbon constructional steel plate (2) and thick stainless steel plate (5) polish clear
Reason, descale and sundries, make its surfacing, unevenness < 2.8mm/m, surface roughness is less than 12.5 μm；
B, it successively puts: on the base by carbon constructional steel plate (2) vertically-arranged；In the two sides of structural carbon steel (2), each vertically-arranged one is opened
Thick stainless steel plate (5) and papery contain medicine box (4), are uniformly arranged several between thick stainless steel plate (5) and carbon constructional steel plate (2)
Bracket (3)；Thick stainless steel plate (5) will be aligned with structural carbon steel (2), and it is average to meet explosion high-voltage pulse load load distribution
It needs；
C, powder charge: containing after medicine box (4) place in papery, explosive (6) poured into papery and contains medicine box (4), with scraper plate by stacking
Explosive (6) strikes off, and measures drug thickness with ruler, guarantees that explosive (6) are uniformly distributed, obtains stable explosive welding overall process；So
Detonator (7) are inserted at explosive (6) center afterwards；D, Explosion composite: while lighting two sides detonator (7) ignition charge (6), detonation velocity
2000~3100mm/s, instantaneous explosion makes thick stainless steel plate (5), and deformation occurs and is welded together securely as double-deck multiple
Plywood.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910735535.6A CN110315191A (en) | 2019-08-09 | 2019-08-09 | Two-sided stainless steel clad plate explosive welding structure and its welding method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910735535.6A CN110315191A (en) | 2019-08-09 | 2019-08-09 | Two-sided stainless steel clad plate explosive welding structure and its welding method |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110666332A (en) * | 2019-10-18 | 2020-01-10 | 中国人民解放军陆军工程大学 | Double-vertical explosive welding comprehensive protection device |
| CN112779909A (en) * | 2021-01-13 | 2021-05-11 | 中铁十六局集团路桥工程有限公司 | Gunpowder ignition type welding precast pile and welding method thereof |
| CN112846646A (en) * | 2020-12-16 | 2021-05-28 | 北京卫星环境工程研究所 | Composite steel plate manufacturing method and space environment simulation container manufacturing method |
| CN115283810A (en) * | 2022-07-06 | 2022-11-04 | 中煤科工集团淮北爆破技术研究院有限公司 | Underwater pedestal-free explosive cladding method for metal plate |
| CN115283809A (en) * | 2022-07-06 | 2022-11-04 | 中煤科工集团淮北爆破技术研究院有限公司 | Explosive welding method for base-free double-sided metal composite plate |
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| CN115283809A (en) * | 2022-07-06 | 2022-11-04 | 中煤科工集团淮北爆破技术研究院有限公司 | Explosive welding method for base-free double-sided metal composite plate |
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