CN112571916A - Explosion preparation method of copper-titanium composite board - Google Patents
Explosion preparation method of copper-titanium composite board Download PDFInfo
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- CN112571916A CN112571916A CN202011453918.3A CN202011453918A CN112571916A CN 112571916 A CN112571916 A CN 112571916A CN 202011453918 A CN202011453918 A CN 202011453918A CN 112571916 A CN112571916 A CN 112571916A
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- titanium composite
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/06—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the heating method
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B38/00—Ancillary operations in connection with laminating processes
- B32B38/0012—Mechanical treatment, e.g. roughening, deforming, stretching
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B38/00—Ancillary operations in connection with laminating processes
- B32B38/04—Punching, slitting or perforating
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42D—BLASTING
- F42D3/00—Particular applications of blasting techniques
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B38/00—Ancillary operations in connection with laminating processes
- B32B38/0012—Mechanical treatment, e.g. roughening, deforming, stretching
- B32B2038/0016—Abrading
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B38/00—Ancillary operations in connection with laminating processes
- B32B38/04—Punching, slitting or perforating
- B32B2038/045—Slitting
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Pressure Welding/Diffusion-Bonding (AREA)
Abstract
The invention relates to an explosion preparation method of a copper-titanium composite plate, which comprises the steps of pretreating an S1 raw material plate, laying a substrate S2, laying explosive S3, explosion cladding S4, explosion cladding S5 and the like to obtain a finished product of the copper-titanium composite plate. According to the explosion preparation method of the copper-titanium composite plate, continuous welding is finally realized through the installation and arrangement of the angle method on the explosion site, the bonding rate of the copper-titanium plate during explosion is finally improved, the bonding quality is obviously improved, the composite tube plate produced by the method meets the standard of NB/T47002.4-2019 explosive welding composite steel plate for pressure containers, the bonding rate can reach more than 99%, and the minimum shear strength tau isb≥100Mpa。
Description
Technical Field
The invention relates to the technical field of composite board manufacturing, in particular to an explosion preparation method of a copper-titanium composite board.
Background
The red copper T2 has good electric conduction, heat conduction and weldability, the titanium plate TA4 also has a plurality of excellent characteristics, the titanium plate is a surface oxidation film which is equivalent to a good durable wear-resistant separating agent, the titanium plate is used to save the separating agent, the titanium plate is easy to peel, the plate pretreatment process is avoided, the electrolytic copper prepared from the titanium plate has compact crystal structure, smooth and flat surface and excellent quality, and the titanium plate does not need to be coated with the separating agent, so the pollution of copper electrolyte can be avoided, the productivity is improved, the production cost of the electrolytic copper is reduced, better economic benefit is realized, the composite use of various characteristic materials is realized, the inevitable trend is realized, the material performance can be used to the maximum, and the energy can be saved.
With the rapid development of the domestic chemical industry in recent years, many enterprises begin to search for copper-titanium composite materials to realize resource integration, and the cost is reduced to realize the maximum utilization of resources, so that the research on the copper-titanium composite boards is carried out, and the mechanism of explosive cladding is to utilize the energy generated by explosive explosion to push a composite board to collide with a substrate at high speed to generate high-speed jet flow so as to obtain the metallurgical bonding between atoms. The explosion process generates jet flow, so that the surface of the substrate is self-cleaned, and fresh metal is combined.
At present, in the manufacturing of copper-titanium composite plates, the defects of large explosive usage amount, low explosion bonding rate and insufficient finished product shear strength exist, and the composite plates are easy to generate base and multi-layer delamination phenomena in the later cold machining and hot machining processes.
Disclosure of Invention
The invention aims to provide an explosion preparation method of a copper-titanium composite plate, which aims to solve the problems in the background technology.
The purpose of the invention can be realized by the following technical scheme:
an explosion preparation method of a copper-titanium composite plate comprises the following steps:
s1, pretreatment of the raw material plate: before explosion cladding, firstly, polishing raw materials of a red copper plate T2 and a titanium plate TA4 to enable an explosion cladding joint surface to be flat, clean and smooth;
s2, laying a substrate: on a foundation field suitable for explosive cladding, placing a titanium plate TA4 as a substrate, adding a hard paper shell between the foundation and the titanium plate TA4, scrubbing the upper end surface of the titanium plate TA4 by using acetone liquid, arranging a plurality of regular supporting blocks in equal-interval distribution on the upper end surface of the titanium plate TA4 in the shape of the titanium plate, and finally arranging a plurality of auxiliary supporting blocks in equal-interval distribution between the regular supporting blocks and the edge of the titanium plate TA 4;
s3, laying explosive: scrubbing the lower end face of the red copper plate T2 with acetone liquid, placing the red copper plate T2 on a plurality of conventional supporting blocks and auxiliary supporting blocks, uniformly coating butter on the upper end face of the red copper plate T2 with a brush to prepare a butter layer with the thickness of 1mm, placing a medicine frame for preventing the powdery emulsion explosive from scattering on the periphery of the red copper plate T2, and fully spreading the powdery emulsion explosive with the thickness of 30-40 mm on the butter layer;
s4, explosion cladding: placing and fixing a detonator at the edge of the middle of the long side of the red copper plate T2, connecting the lead of the detonator outside an explosion field of 50m, and then detonating the detonator to compound the red copper plate T2 and the titanium plate TA4 to obtain a copper-titanium composite plate primary product;
s5, explosion cladding: and (3) performing heat treatment and leveling on the primary copper-titanium composite board, cutting off the explosion point at the edge position, and detecting to obtain a finished copper-titanium composite board.
Preferably, the parameters of the powdery emulsion explosive are as follows: the detonation velocity is more than or equal to 2800m/s, the detonation heat is 3986KJ/Kg, the detonation temperature is 2464 ℃, the detonation pressure is 498Mpa, the density is 0.95-1.25 g/cm 3, and the brisance (lead column compression value) is more than or equal to 13 mm.
Preferably, the thickness of the red copper plate T2 is 2mm, and the plate width dimension is 2050mm multiplied by 1050mm (L multiplied by W); the thickness of the titanium plate TA4 is 8mm, and the plate width dimension is 2000mm multiplied by 1000mm (L multiplied by W).
Preferably, the bonding rate of the finished copper-titanium composite plate is more than or equal to 99.9%, and the shear strength tau b is more than or equal to 140 MPa.
The invention has the beneficial effects that:
according to the explosion preparation method of the copper-titanium composite plate, continuous welding is finally realized through the installation and arrangement of the angle method on the explosion site, the bonding rate of the copper-titanium plate during explosion is finally improved, the bonding quality is obviously improved, the composite tube plate produced by the method meets the standard of NB/T47002.4-2019 explosive welding composite steel plate for pressure containers, the bonding rate can reach more than 99%, and the minimum shear strength tau isb≥100Mpa。
Detailed Description
To facilitate understanding of those skilled in the art, the present invention will be further described with reference to specific examples.
An explosion preparation method of a copper-titanium composite plate comprises the following steps:
s1, pretreatment of the raw material plate: before explosion cladding, firstly, polishing raw materials of a red copper plate T2 and a titanium plate TA4 to enable an explosion cladding joint surface to be flat, clean and smooth; wherein the thickness of the red copper plate T2 is 2mm, and the plate width dimension is 2050mm multiplied by 1050mm (L multiplied by W); the titanium plate TA4 had a thickness of 8mm and a plate width dimension of 2000mm 1000mm (L W).
S2, laying a substrate: on a foundation field suitable for explosive cladding, placing a titanium plate TA4 as a substrate, adding a hard paper shell between the foundation and the titanium plate TA4, scrubbing the upper end surface of the titanium plate TA4 by using acetone liquid, arranging a plurality of regular supporting blocks in equal-interval distribution on the upper end surface of the titanium plate TA4 in the shape of the titanium plate, and finally arranging a plurality of auxiliary supporting blocks in equal-interval distribution between the regular supporting blocks and the edge of the titanium plate TA 4;
s3, laying explosive: scrubbing the lower end face of the red copper plate T2 with acetone liquid, placing the red copper plate T2 on a plurality of conventional supporting blocks and auxiliary supporting blocks, uniformly coating butter on the upper end face of the red copper plate T2 with a brush to prepare a butter layer with the thickness of 1mm, placing a medicine frame for preventing the powdery emulsion explosive from scattering on the periphery of the red copper plate T2, and fully spreading the powdery emulsion explosive with the thickness of 30-40 mm on the butter layer; wherein the parameters of the powdery emulsion explosive are as follows: the detonation velocity is more than or equal to 2800m/s, the detonation heat is 3986KJ/Kg, the detonation temperature is 2464 ℃, the detonation pressure is 498Mpa, the density is 0.95-1.25 g/cm 3, and the brisance (lead column compression value) is more than or equal to 13 mm.
S4, explosion cladding: placing and fixing a detonator at the edge of the middle of the long side of the red copper plate T2, connecting the lead of the detonator outside an explosion field of 50m, and then detonating the detonator to compound the red copper plate T2 and the titanium plate TA4 to obtain a copper-titanium composite plate primary product;
s5, explosion cladding: and (3) performing heat treatment and leveling on the primary copper-titanium composite plate, cutting off the explosion point at the edge position, and detecting to obtain a finished copper-titanium composite plate product, wherein the bonding rate of the finished copper-titanium composite plate product is more than or equal to 99.9%, and the shear strength tau b is more than or equal to 140 MPa.
The explosion preparation method of the copper-titanium composite plate realizes the one-time molding of unrepairable T2-TA4 explosion cladding, finally realizes the continuous welding by the installation and arrangement of an angle method on the explosion site, finally improves the bonding rate of the copper-titanium plate during explosion, obviously improves the bonding quality, and the composite tube plate produced by the method meets the standard of NB/T47002.4-2019 explosive welding composite steel plate for pressure containers, the bonding rate can reach more than 99 percent, and the minimum shear strength tau isbThe size of the produced T2-TA4 composite steel plate can meet the development requirements of equipment manufacturing, chemical industry and other industries.
The foregoing is merely exemplary and illustrative of the present invention and various modifications, additions and substitutions may be made by those skilled in the art to the specific embodiments described without departing from the scope of the invention as defined in the following claims.
Claims (4)
1. The explosion preparation method of the copper-titanium composite board is characterized by comprising the following steps:
s1, pretreatment of the raw material plate: before explosion cladding, firstly, polishing raw materials of a red copper plate T2 and a titanium plate TA4 to enable an explosion cladding joint surface to be flat, clean and smooth;
s2, laying a substrate: on a foundation field suitable for explosive cladding, placing a titanium plate TA4 as a substrate, adding a hard paper shell between the foundation and the titanium plate TA4, scrubbing the upper end surface of the titanium plate TA4 by using acetone liquid, arranging a plurality of regular supporting blocks in equal-interval distribution on the upper end surface of the titanium plate TA4 in the shape of the titanium plate, and finally arranging a plurality of auxiliary supporting blocks in equal-interval distribution between the regular supporting blocks and the edge of the titanium plate TA 4;
s3, laying explosive: scrubbing the lower end face of the red copper plate T2 with acetone liquid, placing the red copper plate T2 on a plurality of conventional supporting blocks and auxiliary supporting blocks, uniformly coating butter on the upper end face of the red copper plate T2 with a brush to prepare a butter layer with the thickness of 1mm, placing a medicine frame for preventing the powdery emulsion explosive from scattering on the periphery of the red copper plate T2, and fully spreading the powdery emulsion explosive with the thickness of 30-40 mm on the butter layer;
s4, explosion cladding: placing and fixing a detonator at the edge of the middle of the long side of the red copper plate T2, connecting the lead of the detonator outside an explosion field of 50m, and then detonating the detonator to compound the red copper plate T2 and the titanium plate TA4 to obtain a copper-titanium composite plate primary product;
s5, explosion cladding: and (3) performing heat treatment and leveling on the primary copper-titanium composite board, cutting off the explosion point at the edge position, and detecting to obtain a finished copper-titanium composite board.
2. The explosive preparation method of the copper-titanium composite board, according to claim 1, is characterized in that the parameters of the powdery emulsion explosive are as follows: the detonation velocity is more than or equal to 2800m/s, the detonation heat is 3986KJ/Kg, the detonation temperature is 2464 ℃, the detonation pressure is 498Mpa, the density is 0.95-1.25 g/cm 3, and the brisance (lead column compression value) is more than or equal to 13 mm.
3. The explosive preparation method of copper-titanium composite plates according to claim 1, characterized in that the thickness of the copper plate T2 is 2mm, and the plate width dimension is 2050mm x 1050mm (L x W); the thickness of the titanium plate TA4 is 8mm, and the plate width dimension is 2000mm multiplied by 1000mm (L multiplied by W).
4. The explosive preparation method of the copper-titanium composite board according to claim 1, wherein the bonding rate of the finished copper-titanium composite board is not less than 99.9%, and the shear strength τ b is not less than 140 Mpa.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011453918.3A CN112571916A (en) | 2020-12-10 | 2020-12-10 | Explosion preparation method of copper-titanium composite board |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011453918.3A CN112571916A (en) | 2020-12-10 | 2020-12-10 | Explosion preparation method of copper-titanium composite board |
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| CN112571916A true CN112571916A (en) | 2021-03-30 |
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| CN202011453918.3A Pending CN112571916A (en) | 2020-12-10 | 2020-12-10 | Explosion preparation method of copper-titanium composite board |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2560897C1 (en) * | 2014-06-17 | 2015-08-20 | Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Волгоградский государственный технический университет" (ВолгГТУ) | Method of making composite copper-titanium material |
| CN105856727A (en) * | 2016-04-19 | 2016-08-17 | 东北大学 | Multilayer copper/titanium composite board and preparation method thereof |
| CN108067840A (en) * | 2017-12-01 | 2018-05-25 | 洛阳双瑞金属复合材料有限公司 | A kind of manufacturing method of thin copper-titanium dissimilar metal composite material |
| CN109434267A (en) * | 2018-12-14 | 2019-03-08 | 安徽宝泰特种材料有限公司 | A kind of explosion welding method using C-276 alloy production composite plate |
| CN210026534U (en) * | 2019-04-10 | 2020-02-07 | 南京昭邦金属复合材料有限公司 | Titanium copper explosion composite board structure |
-
2020
- 2020-12-10 CN CN202011453918.3A patent/CN112571916A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2560897C1 (en) * | 2014-06-17 | 2015-08-20 | Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Волгоградский государственный технический университет" (ВолгГТУ) | Method of making composite copper-titanium material |
| CN105856727A (en) * | 2016-04-19 | 2016-08-17 | 东北大学 | Multilayer copper/titanium composite board and preparation method thereof |
| CN108067840A (en) * | 2017-12-01 | 2018-05-25 | 洛阳双瑞金属复合材料有限公司 | A kind of manufacturing method of thin copper-titanium dissimilar metal composite material |
| CN109434267A (en) * | 2018-12-14 | 2019-03-08 | 安徽宝泰特种材料有限公司 | A kind of explosion welding method using C-276 alloy production composite plate |
| CN210026534U (en) * | 2019-04-10 | 2020-02-07 | 南京昭邦金属复合材料有限公司 | Titanium copper explosion composite board structure |
Non-Patent Citations (1)
| Title |
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| 庙延钢，芮鸿: "铜一钛爆炸焊接工艺试验研究", 《昆明理工大学学报》 * |
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Application publication date: 20210330 |