CN115319264A - Preparation method of strong/plastic/tough laminated composite board of titanium alloy - Google Patents
Preparation method of strong/plastic/tough laminated composite board of titanium alloy Download PDFInfo
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- CN115319264A CN115319264A CN202211004498.XA CN202211004498A CN115319264A CN 115319264 A CN115319264 A CN 115319264A CN 202211004498 A CN202211004498 A CN 202211004498A CN 115319264 A CN115319264 A CN 115319264A
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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
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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
- B23K20/24—Preliminary treatment
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
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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
- B23K2103/00—Materials to be soldered, welded or cut
- B23K2103/08—Non-ferrous metals or alloys
- B23K2103/14—Titanium or alloys thereof
Abstract
The invention belongs to the technical field of welding, and particularly discloses a preparation method of a strong/plastic/tough laminar composite material of a titanium alloy, which is compounded with titanium and titanium alloys with different mechanical properties; the method takes two titanium alloy plates as a base plate and a fly plate, takes a pure titanium plate as an intermediate transition plate, sequentially stacks the plates after polishing, and places a support between the adjacent plates. And then uniformly coating a layer of butter on the surface of the titanium alloy plate on the top layer, laying explosive on the butter, placing a detonator in the explosive, igniting the detonator to detonate the explosive for explosive welding, and thus obtaining the titanium alloy strong/plastic/tough layered composite plate. The invention adopts the explosive welding method to prepare the titanium alloy strong/plastic/tough laminated composite board, and prepares the titanium alloy strong/plastic/tough laminated composite board in a very short time, the interlayer interfaces of the boards are well combined, the corrosion resistance of different positions of the composite board is good, and the mechanical property is excellent.
Description
Technical Field
The invention belongs to the technical field of welding, and particularly relates to a preparation method of a strong/plastic/tough laminated composite plate of a titanium alloy.
Background
The titanium alloy has higher strength and lighter specific gravity and is widely applied in engineering, but a single titanium alloy often faces the contradiction of strength and plasticity in application, the existing method for preparing the metal composite plate comprises hot rolling, hot isostatic pressing and the like, but the process requirement is high, and the bonding strength of the composite plate is weaker.
According to the invention, the pure titanium and the titanium alloy with different strength, plasticity and toughness are compounded through explosive cladding, so that the good combination of strength and plasticity can be realized, and meanwhile, the layered composite material also has the advantages of light weight, corrosion resistance, good weldability and the like; and explosion load produces strong impact action in the compounding process, so that the compounding interface is further strengthened, and the prepared composite board has good bonding strength and impact resistance.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention provides the explosive welding preparation method of the titanium and titanium alloy three-layer composite plate, which has good structural strength and excellent corrosion resistance and welding performance. The composite board is suitable for manufacturing corrosion-resistant environment containers and armor neighborhood structural members.
The purpose of the invention is realized by the following technical scheme.
The invention discloses a preparation method of a titanium alloy strong/plastic/tough laminated composite board, which comprises a high-toughness base plate, a high-plasticity first flying board and a high-strength second flying board, and comprises the following specific production steps:
(1) Carrying out heat treatment on the substrate, the first flying plate and the second flying plate;
(2) Polishing the substrate, the first flying plate and the second flying plate after heat treatment;
(3) The substrate, the first flying plate, the second flying plate and the explosive are sequentially arranged from bottom to top;
(4) Support columns are arranged between the first flying plate and the base plate and between the first flying plate and the second flying plate, and a explosive layer is laid on the second flying plate and a detonator is placed on the second flying plate;
(5) And detonating the edge of the second flying plate to obtain the titanium alloy layered composite plate.
As a preferred embodiment: the base plate is made of high-strength alpha + beta double-phase titanium alloy, the first flying plate is made of high-plasticity pure titanium, and the second flying plate is made of high-toughness near-alpha titanium alloy.
As a preferred embodiment: the base plate is Ti6321 titanium alloy, the first flying plate is TA1 pure titanium, and the second flying plate is TC4 titanium alloy.
As a preferred solution: the thickness of the second flying plate is 15-25 mm, the thickness of the substrate is 2-4 mm, and the thickness of the first flying plate is 1-2 mm.
As a preferred embodiment: the first flying plate and the base plate have the same length and width; the length and width of the second flyer plate are greater than or equal to those of the first flyer plate.
As a preferred solution: the supporting columns are titanium foils.
As a preferred embodiment: in the step (1), the heat treatment temperature of the substrate is 900-980 ℃, the heat treatment temperature of the first flying plate is 700-750 ℃, the heat treatment temperature of the second flying plate is 940-970 ℃, and the heat treatment system is air cooling after heat preservation for two hours.
As a preferred embodiment: and (3) polishing the joint surfaces between the base plate, the first flying plate and the second flying plate in the step (2) until the surface roughness is less than or equal to 2 microns.
As a preferred embodiment: the explosive in the step (3) is an ammonium nitrate fuel oil explosive, the particle size of the explosive is 65-75 mu m, the laying thickness is 30-45 mm, and the detonation velocity of the explosive is 2400-2600 m/s.
As a preferred embodiment: the distance between the base plate and the first flying plate in the step (4) is 10mm, and the distance between the second flying plate and the first flying plate is 10mm.
The technical effects and advantages of the invention include:
(1) The invention provides a preparation method of a titanium alloy layered composite material, which prepares titanium and titanium alloy with different strength, plasticity and toughness into a strong/plastic/tough layered composite board. The composite board prepared by the method has high bonding strength between different layers of metal and excellent comprehensive performance.
(2) According to the titanium alloy layered composite material, three layers of metal are titanium and titanium alloy, the potential difference of different materials is small, the problem that the corrosion potential of the traditional titanium steel composite plate is not matched is solved, and the titanium alloy layered composite material has good corrosion resistance.
(3) The method has the advantages of simple process, short production period, low cost, stable interface combination of the prepared titanium alloy laminated composite plate, excellent comprehensive performance and suitability for popularization and application.
Drawings
The invention is further illustrated with reference to the following figures and examples:
FIG. 1 is a microscopic topography of a titanium alloy layered composite plate structure prepared by the present invention.
Detailed Description
The technical solutions of the present application will be described clearly and completely with reference to the embodiments of the present application, and it should be understood that the described embodiments are some, but not all, embodiments of the present application. All other embodiments obtained by a person skilled in the art based on the embodiments in the present application without making any creative effort belong to the protection scope of the present application.
Example 1
The manufacturing method of this example uses a TA1 pure titanium plate material of 1mm × 200mm × 300mm (thickness × width × length) and a TC4 titanium alloy plate material of 2mm × 240mm × 340mm (thickness × width × length) as the first flight plate and the second flight plate, respectively, and a Ti6321 titanium alloy plate material of 25mm × 200mm × 300mm (thickness × width × length) as the substrate. In this example, the heat treatment system of the Ti6321 titanium alloy substrate was kept at 980 ℃ for two hours and then air-cooled, the heat treatment system of the TC4 titanium alloy flied plate was kept at 950 ℃ for two hours and then air-cooled, and the heat treatment system of the TA1 pure titanium flied plate was kept at 750 ℃ for two hours and then air-cooled.
Before explosion cladding, the joint surface of the base plate and the flying plate is polished to a surface roughness of 2 μm. The Ti6321 titanium alloy plate, the pure titanium plate, the TC4 titanium alloy plate and the explosive are sequentially stacked from bottom to top, and the distance between the pure titanium plate and the titanium alloy plate is 10mm. The explosive is ammonium nitrate fuel oil explosive, the thickness of the explosive is 30mm, and the detonation velocity of the explosive is 2500m/s. And then detonating the center edge of the short side of the top flying plate at the single side to obtain the titanium alloy composite plate.
The titanium alloy composite board of example 1 was tested for bonding rate and weld face shear strength, with a bonding rate of 99.6%, no cracking and boundary effects, and a weld face shear strength of not less than 425MPa.
The titanium alloy composite plate of example 1 was subjected to a dynamic compression test at a strain rate of 103s-1, and the composite plate had a strength increased by about 100MPa and a plasticity maintained at a comparable level as compared with a single Ti6321 titanium alloy plate.
Example 2
The manufacturing method of this example uses a TC4 titanium alloy plate material of 4mm × 240mm × 340mm (thickness × width × length) and a TA1 pure titanium plate material of 2mm × 200mm × 300mm (thickness × width × length) as the second flight plate and the first flight plate, respectively, and a Ti6321 titanium alloy plate material of 25mm × 200mm × 300mm (thickness × width × length) as the substrate. In this example, the heat treatment system of the Ti6321 titanium alloy substrate was performed by air cooling after heat preservation at 900 ℃ for two hours, the heat treatment system of the TC4 titanium alloy flied plate was performed by air cooling after heat preservation at 950 ℃ for two hours, and the heat treatment system of the TA1 pure titanium flied plate was performed by air cooling after heat preservation at 750 ℃ for two hours.
Before explosion cladding, the bonding surface of the base plate and the fly plate is polished to a surface roughness of 2 μm. The Ti6321 titanium alloy plate, the pure titanium plate, the TC4 titanium alloy plate and the explosive are sequentially stacked from bottom to top, and the distance between the pure titanium plate and the titanium alloy plate is 10mm. The explosive is ammonium nitrate fuel oil explosive, the thickness of the explosive is 45mm, and the detonation velocity of the explosive is 2500m/s. And then detonating the center edge of the short edge at the single side of the top flying plate to obtain the titanium alloy composite plate.
The titanium alloy composite board of example 2 was tested for bonding rate and weld face shear strength, with a bonding rate of 99.7%, no cracks and boundary effects, and a weld face shear strength of no less than 390MPa.
The present invention is not intended to be limited to the particular embodiments shown and described, but is to be accorded the widest scope consistent with the principles and novel features herein disclosed. Other structures and principles are the same as those in the prior art, and are not described in detail here.
Claims (10)
1. A preparation method of a titanium alloy strong/plastic/tough laminated composite board comprises a high-toughness base board, a high-plasticity first flying board and a high-strength second flying board, and is characterized in that: the specific production steps are as follows:
(1) Carrying out heat treatment on the substrate, the first flying plate and the second flying plate;
(2) Polishing the substrate, the first flying plate and the second flying plate after heat treatment;
(3) The base plate, the first flying plate, the second flying plate and the explosive are arranged from bottom to top in sequence;
(4) Support columns are arranged between the first flying plate and the base plate and between the first flying plate and the second flying plate, and a explosive layer is laid on the second flying plate and a detonator is placed on the second flying plate;
(5) And detonating the edge of the second flying plate to obtain the titanium alloy layered composite plate.
2. The method of making a strong/plastic/tough laminar composite sheet of titanium alloy of claim 1, wherein: the base plate is made of high-strength alpha + beta double-phase titanium alloy, the first flying plate is made of high-plasticity pure titanium, and the second flying plate is made of high-toughness near-alpha titanium alloy.
3. The method of making a strong/plastic/tough laminar composite sheet of titanium alloy of claim 2, wherein: the base plate is Ti6321 titanium alloy, the first flying plate is TA1 pure titanium, and the second flying plate is TC4 titanium alloy.
4. The method of making a strong/plastic/tough laminar composite sheet of titanium alloy of claim 1, wherein: the thickness of the second flying plate is 15-25 mm, the thickness of the substrate is 2-4 mm, and the thickness of the first flying plate is 1-2 mm.
5. The method of making a strong/plastic/tough laminar composite sheet of titanium alloy of claim 1, wherein: the length and the width of the first flying plate and the base plate are the same; the length and width of the second flyer plate are greater than or equal to those of the first flyer plate.
6. The method of making a strong/plastic/tough laminar composite sheet of titanium alloy of claim 1, wherein: the supporting columns are titanium foils.
7. The method of making a strong/plastic/tough laminar composite sheet of titanium alloy of claim 1, wherein: in the step (1), the heat treatment temperature of the substrate is 900-980 ℃, the heat treatment temperature of the first flying plate is 700-750 ℃, the heat treatment temperature of the second flying plate is 940-970 ℃, and the heat treatment system is air cooling after heat preservation for two hours.
8. The method of making a strong/plastic/tough laminar composite sheet of titanium alloy of claim 1, wherein: and (3) polishing the joint surfaces between the base plate, the first flying plate and the second flying plate in the step (2) until the surface roughness is less than or equal to 2 microns.
9. The method of manufacturing a composite plate of titanium alloy having a strong/plastic/tough layer structure according to claim 1, wherein the method comprises: the explosive in the step (3) is an ammonium nitrate fuel oil explosive, the particle size of the explosive is 65-75 mu m, the laying thickness is 30-45 mm, and the detonation velocity of the explosive is 2400-2600 m/s.
10. The method of making a strong/plastic/tough laminar composite sheet of titanium alloy of claim 1, wherein: the distance between the base plate and the first flying plate in the step (4) is 10mm, and the distance between the second flying plate and the first flying plate is 10mm.
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| CN202211004498.XA CN115319264A (en) | 2022-08-22 | 2022-08-22 | Preparation method of strong/plastic/tough laminated composite board of titanium alloy |
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Citations (10)
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|---|---|---|---|---|
| US4612259A (en) * | 1981-03-05 | 1986-09-16 | Asahi Kasei Kogyo Kabushiki Kaisha | Titanium clad steel plate |
| US20040170860A1 (en) * | 2003-02-17 | 2004-09-02 | Roy Hardwick | Method of producing metal composite materials comprising incompatible metals |
| CN101444982A (en) * | 2007-11-27 | 2009-06-03 | 北京有色金属研究总院 | Laminated titanium-magnesium composition plate and preparation method thereof |
| CN104526151A (en) * | 2014-12-02 | 2015-04-22 | 太原理工大学 | Explosive welding forming method for magnesia-alumina-titanium alloy composite board |
| CN105345249A (en) * | 2015-12-08 | 2016-02-24 | 安徽宝泰特种材料有限公司 | Dual-phase steel/titanium composite board explosive welding forming method |
| CN107511580A (en) * | 2017-10-24 | 2017-12-26 | 宝鸡市金海源钛标准件制品有限公司 | A kind of preparation method of titanium composite panel |
| CN108893652A (en) * | 2018-07-25 | 2018-11-27 | 哈尔滨工业大学 | A kind of Ti-Al-Nb-Zr-Mo high strength anti-corrosion titanium alloy and preparation method thereof |
| CN111230012A (en) * | 2020-02-28 | 2020-06-05 | 西北工业大学 | Forging method of Ti80 titanium alloy |
| CN212242446U (en) * | 2020-04-20 | 2020-12-29 | 宝鸡阿尔法金属科技有限公司 | High-strength titanium alloy explosive welding forming composite board |
| 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 |
-
2022
- 2022-08-22 CN CN202211004498.XA patent/CN115319264A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4612259A (en) * | 1981-03-05 | 1986-09-16 | Asahi Kasei Kogyo Kabushiki Kaisha | Titanium clad steel plate |
| US20040170860A1 (en) * | 2003-02-17 | 2004-09-02 | Roy Hardwick | Method of producing metal composite materials comprising incompatible metals |
| CN101444982A (en) * | 2007-11-27 | 2009-06-03 | 北京有色金属研究总院 | Laminated titanium-magnesium composition plate and preparation method thereof |
| CN104526151A (en) * | 2014-12-02 | 2015-04-22 | 太原理工大学 | Explosive welding forming method for magnesia-alumina-titanium alloy composite board |
| CN105345249A (en) * | 2015-12-08 | 2016-02-24 | 安徽宝泰特种材料有限公司 | Dual-phase steel/titanium composite board explosive welding forming method |
| CN107511580A (en) * | 2017-10-24 | 2017-12-26 | 宝鸡市金海源钛标准件制品有限公司 | A kind of preparation method of titanium composite panel |
| CN108893652A (en) * | 2018-07-25 | 2018-11-27 | 哈尔滨工业大学 | A kind of Ti-Al-Nb-Zr-Mo high strength anti-corrosion titanium alloy and preparation method thereof |
| CN111230012A (en) * | 2020-02-28 | 2020-06-05 | 西北工业大学 | Forging method of Ti80 titanium alloy |
| CN212242446U (en) * | 2020-04-20 | 2020-12-29 | 宝鸡阿尔法金属科技有限公司 | High-strength titanium alloy explosive welding forming composite board |
| 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 |
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