CN105345249A - Dual-phase steel/titanium composite board explosive welding forming method - Google Patents
Dual-phase steel/titanium composite board explosive welding forming method Download PDFInfo
- Publication number
- CN105345249A CN105345249A CN201510924516.XA CN201510924516A CN105345249A CN 105345249 A CN105345249 A CN 105345249A CN 201510924516 A CN201510924516 A CN 201510924516A CN 105345249 A CN105345249 A CN 105345249A
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- Prior art keywords
- dual phase
- dual
- sheet steel
- steel
- titanium
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K20/00—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating
- B23K20/06—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating by means of high energy impulses, e.g. magnetic energy
- B23K20/08—Explosive welding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K20/00—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating
- B23K20/22—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating taking account of the properties of the materials to be welded
- B23K20/227—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating taking account of the properties of the materials to be welded with ferrous layer
-
- 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
- B23K2103/18—Dissimilar materials
- B23K2103/24—Ferrous alloys and titanium or alloys thereof
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Pressure Welding/Diffusion-Bonding (AREA)
Abstract
The invention discloses a dual-phase steel/titanium composite board explosive welding forming method. The forming method comprises the following steps of: before explosion cladding, heating a dual-phase steel plate to certain temperature, adopting asbestos to preserve heat for the dual-phase steel plate, transporting the dual-phase steel plate to a working site, putting the steel plate at an interval, placing a titanium plate, adding a protective layer at the same time, fixing a heating belt at a proper position of the plate to ensure that the strength of the dual-phase steel plate in the high-temperature state decreases, finally, paving explosive according to the technological requirements, taking away the heating belt before explosion, ensuring the plate temperature, and flattening after detonation. With adoption of the method, the fitting quality of a dual-phase steel/titanium composite board is greatly improved, and the produced dual-phase steel/titanium composite board can meet the developmental demand of the petroleum technology.
Description
Technical field
The present invention relates to composite plate and manufacture field, especially a kind of dual phase steel/titanium composite panel explosive welding forming method.
Background technology
Titanium/dual phase steel composite plate tube sheet is used in the heat exchanger tube sheet of oil drilling platform equipment always, there are some conflicting places in the combination of materials that two phase stainless steel adds titanium, particularly there is contradiction in their heat treating regime aspect always, also there is dispute in the heat treating regime of composite plate always, the temperature meeting titanium can make dual phase steel there is crisp sclerous tissues even to occur crackle, the temperature meeting dual phase steel can cause the tissue of titanium plate to occur oxidation thus degradation under there is corrosion resisting property, the high strength of dual phase steel is also a difficult problem in explosive clad plate always in addition, explosive composite material is generally that the material of similar nature is welded more easily by blast, high-strength material and low-intensity difficulty carry out metallurgical binding, even if complete welding, bond strength is also low-down, once cannot meet market and actual use needs.
Summary of the invention
The object of the invention is to provide a kind of dual phase steel/titanium composite panel explosive welding forming method, using explosive as the energy, the mode Explosion composite declined by intensity under material at high temperature produces dual phase steel/titanium composite panel that high-quality requires, to realize high-quality requirement, meet the needs of petroleum technology development.
In order to solve the problems of the technologies described above, the technical solution used in the present invention is:
Dual phase steel/titanium composite panel explosive welding forming method, comprises the following steps:
Step 1, dual phase sheet steel is heated to 350 DEG C, uses asbestos to be incubated dual phase sheet steel;
Step 2, by heating after dual phase sheet steel be transported to the ground of operation field after, dual phase sheet steel is that 250mm puts with spacing, put titanium plate well, between titanium plate and dual phase sheet steel, back-up block is set, added protective layer at titanium plate upper surface simultaneously, fix heating tape in the surrounding of dual phase sheet steel, ensure that the intensity of the dual phase sheet steel of the condition of high temperature declines;
The explosive that in step 3, on the protection layer cloth, certain medicine is high, then adopts the mode detonated in center to put detonator, withdraws heating tape, ensure the temperature of dual phase sheet steel simultaneously before detonating;
Step 4, detonating primer and explosive, the composite plate after shaping to explosive welding carries out leveling, namely obtains dual phase steel/titanium composite panel.
Preferably, described explosive is that low blasting speed amine oil composite explosives are mixed by following raw material: ammonium nitrate 45%, diesel oil 2%, wood powder 3%, fine sand 50%, explosion velocity is 1900m/s ~ 2000m/s, and density is 0.7g/cm
3~ 0.9g/cm
3, brisance is 10mm.
Preferably, dual phase sheet steel thickness is 20mm ~ 200mm, and length is 4m ~ 5m, and width is 2m ~ 3m, and the length and width of titanium plate are all greater than dual phase sheet steel, and the thickness of titanium plate is 1.5mm ~ 16mm.
The invention has the beneficial effects as follows:
The Explosion composite of dual phase steel/titanium composite panel is using the cladding of titanium plate as contact corrosion medium, dual phase sheet steel is as the steel plate of the high strength of bearing load, because super-duplex stainless steel has the feature of austenite and ferritic stainless steel, with ferritic phase ratio, plasticity, toughness are higher, and without brittleness at room temperature, intergranular corrosion resistance performance and welding performance are significantly increased, the 475 DEG C of fragility and the thermal conductivity factor that also maintain ferritic stainless steel high simultaneously, has the features such as superplasticity.Compared with austenitic stainless steel, intensity high and intergranular corrosion resistance and resistance to chloride stress corrosion are significantly improved.Two phase stainless steel has excellent resistance to pitting performance, is also a kind of joint nickel and stainless steel.By dual phase steel being heated to about 350 degree (carrying out Heat preservation with heating tape to substrate before detonating) before blast, the explosive used is through the low blasting speed amine oil composite explosives of autonomous proportioning, general thermal source cannot be ignited, and explosive of the present invention can meet the safe operation that blast requires on using.
The invention solves the unstable problem with improving its laminating quality of titanium/dual phase steel blast quality, meeting the needs of domestic petroleum development of chemical industry.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the present invention is further detailed explanation.
Fig. 1 is shaping techniques under explosive of the present invention configuration scheme of installation.
Wherein, 1-detonator, 2-explosive, 3-protective layer, 4-titanium plate, 5-back-up block, 6-dual phase sheet steel, 7-heating tape, 8-ground.
Detailed description of the invention
Below in conjunction with accompanying drawing, embodiments of the invention are described in detail, but the multitude of different ways that the present invention can be defined by the claims and cover is implemented.
As shown in Figure 1, the present invention discloses a kind of dual phase steel/titanium composite panel explosive welding forming method, comprises the following steps:
Step 1, dual phase sheet steel 6 is heated to 350 DEG C, uses asbestos to be incubated dual phase sheet steel 6;
Step 2, by heating after dual phase sheet steel 6 be transported to the ground 8 of operation field after, dual phase sheet steel is that 250mm puts with spacing, put titanium plate 4 well, back-up block 5 is set between titanium plate 4 and dual phase sheet steel 6, added protective layer 3 at titanium plate 4 upper surface simultaneously, fix heating tape 7 in the surrounding of dual phase sheet steel 6, ensure that the intensity of the dual phase sheet steel 6 of the condition of high temperature declines;
The explosive that in step 3, on the protection layer cloth, certain medicine is high, then adopts the mode detonated in center to put detonator, withdraws heating tape, ensure the temperature of dual phase sheet steel simultaneously before detonating;
Step 4, detonating primer 1 and explosive 2, the composite plate after shaping to explosive welding carries out leveling, namely obtains dual phase steel/titanium composite panel.
Described explosive is that low blasting speed amine oil composite explosives are mixed by following raw material: ammonium nitrate 45%, diesel oil 2%, wood powder 3%, fine sand 50%, explosion velocity is 1900m/s ~ 2000m/s, and density is 0.7g/cm
3~ 0.9g/cm
3, brisance is 10mm, can meet the safe operation that blast requires on using.
Dual phase sheet steel thickness is 20mm ~ 200mm, and length is 4m ~ 5m, and width is 2m ~ 3m, and the length and width of titanium plate are all greater than dual phase sheet steel, and the thickness of titanium plate is 1.5mm ~ 16mm.
By ASTMB898-2005 " active and refractory metal composite plate " standard, the laminating rate of dual phase steel/titanium composite panel and shear strength are detected, reach A grade standard, laminating rate is greater than 99%, shear strength τ b >=137.9Mpa and laminating rate is higher, laminating quality is also better, relatively former technique Explosion composite qualitatively performance can improve the effect of 30-50%, meet need of production, the present invention substantially increases the laminating quality of composite plate.
Above-described embodiment of the present invention, does not form limiting the scope of the present invention.Any amendment done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within claims of the present invention.
Claims (3)
1. dual phase steel/titanium composite panel explosive welding forming method, is characterized in that, comprise the following steps:
Step 1, dual phase sheet steel is heated to 350 DEG C, uses asbestos to be incubated dual phase sheet steel;
Step 2, by heating after dual phase sheet steel be transported to the ground of operation field after, dual phase sheet steel is that 250mm puts with spacing, put titanium plate well, between titanium plate and dual phase sheet steel, back-up block is set, added protective layer at titanium plate upper surface simultaneously, fix heating tape in the surrounding of dual phase sheet steel, ensure that the intensity of the dual phase sheet steel of the condition of high temperature declines;
The explosive that in step 3, on the protection layer cloth, certain medicine is high, then adopts the mode detonated in center to put detonator, withdraws heating tape, ensure the temperature of dual phase sheet steel simultaneously before detonating;
Step 4, detonating primer and explosive, the composite plate after shaping to explosive welding carries out leveling, namely obtains dual phase steel/titanium composite panel.
2. dual phase steel/titanium composite panel explosive welding forming method according to claim 1, it is characterized in that, described explosive is that low blasting speed amine oil composite explosives are mixed by following raw material: ammonium nitrate 45%, diesel oil 2%, wood powder 3%, fine sand 50%, explosion velocity is 1900m/s ~ 2000m/s, and density is 0.7g/cm
3~ 0.9g/cm
3, brisance is 10mm.
3. dual phase steel/titanium composite panel explosive welding forming method according to claim 1, it is characterized in that, dual phase sheet steel thickness is 20mm ~ 200mm, length is 4m ~ 5m, width is 2m ~ 3m, and the length and width of titanium plate are all greater than dual phase sheet steel, and the thickness of titanium plate is 1.5mm ~ 16mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510924516.XA CN105345249A (en) | 2015-12-08 | 2015-12-08 | Dual-phase steel/titanium composite board explosive welding forming method |
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| CN201510924516.XA CN105345249A (en) | 2015-12-08 | 2015-12-08 | Dual-phase steel/titanium composite board explosive welding forming method |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108273994A (en) * | 2018-03-30 | 2018-07-13 | 东莞市晟日电子科技有限公司 | The preparation facilities and method of high-density molybdenum niobium alloy target |
| CN110202249A (en) * | 2019-07-01 | 2019-09-06 | 太原钢铁(集团)有限公司 | A kind of overlength overlarge area titanium steel composite board and its manufacturing method |
| CN111299801A (en) * | 2020-04-03 | 2020-06-19 | 安徽弘雷金属复合材料科技有限公司 | Preparation method of titanium-stainless steel half-surface explosive welding material for LNG storage tank |
| CN113953642A (en) * | 2021-11-26 | 2022-01-21 | 西安天力金属复合材料股份有限公司 | Preparation method of titanium/aluminum/magnesium composite board |
| CN115319264A (en) * | 2022-08-22 | 2022-11-11 | 北京理工大学 | Preparation method of strong/plastic/tough laminated composite board of titanium alloy |
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| CN101367691A (en) * | 2008-08-29 | 2009-02-18 | 湖北凯龙化工集团股份有限公司 | Free-running blasting agent for metal explosion cladding |
| CN101560130A (en) * | 2009-05-27 | 2009-10-21 | 湖北天神实业股份有限公司 | Ammonia dynamite for explosive compound welding of titanium plate and steel plate |
| CN101590597A (en) * | 2009-06-26 | 2009-12-02 | 西北有色金属研究院 | A kind of nuclear power and thermoelectricity are with the preparation method of big specification titanium/steel composite board |
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| CN102049626A (en) * | 2010-11-26 | 2011-05-11 | 西安天力金属复合材料有限公司 | Preparation method of ultra-thick titanium/steel composite tube plate with large area and high properties |
| CN104308463A (en) * | 2014-08-26 | 2015-01-28 | 西安天力金属复合材料有限公司 | Preparation method of super-long titanium/pipeline steel composite plate for oil-gas pipeline |
| CN204712552U (en) * | 2013-08-02 | 2015-10-21 | 安徽弘雷金属复合材料科技有限公司 | C4 alloy sheets and steel plate explosive clad plate |
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| US5531369A (en) * | 1993-08-02 | 1996-07-02 | Electric Power Research Institute | Process for making machines resistant to cavitation and liquid droplet erosion |
| CN1183333A (en) * | 1997-10-29 | 1998-06-03 | 黄自更 | Composite tool steel explosion welding technique and its formulation |
| CN101367691A (en) * | 2008-08-29 | 2009-02-18 | 湖北凯龙化工集团股份有限公司 | Free-running blasting agent for metal explosion cladding |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108273994A (en) * | 2018-03-30 | 2018-07-13 | 东莞市晟日电子科技有限公司 | The preparation facilities and method of high-density molybdenum niobium alloy target |
| CN108273994B (en) * | 2018-03-30 | 2024-04-19 | 江苏理成科技有限公司 | Preparation device and method of high-density molybdenum-niobium alloy target |
| CN110202249A (en) * | 2019-07-01 | 2019-09-06 | 太原钢铁(集团)有限公司 | A kind of overlength overlarge area titanium steel composite board and its manufacturing method |
| CN110202249B (en) * | 2019-07-01 | 2020-08-04 | 太原钢铁(集团)有限公司 | Overlength and overlarge area titanium steel composite plate and manufacturing method thereof |
| CN111299801A (en) * | 2020-04-03 | 2020-06-19 | 安徽弘雷金属复合材料科技有限公司 | Preparation method of titanium-stainless steel half-surface explosive welding material for LNG storage tank |
| CN113953642A (en) * | 2021-11-26 | 2022-01-21 | 西安天力金属复合材料股份有限公司 | Preparation method of titanium/aluminum/magnesium composite board |
| CN115319264A (en) * | 2022-08-22 | 2022-11-11 | 北京理工大学 | Preparation method of strong/plastic/tough laminated composite board of titanium alloy |
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Application publication date: 20160224 |
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