CN104400225A - Laser welding method for Ti2A1Nb intermetallic compound - Google Patents
Laser welding method for Ti2A1Nb intermetallic compound Download PDFInfo
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- CN104400225A CN104400225A CN201410498147.8A CN201410498147A CN104400225A CN 104400225 A CN104400225 A CN 104400225A CN 201410498147 A CN201410498147 A CN 201410498147A CN 104400225 A CN104400225 A CN 104400225A
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- welding
- laser
- intermetallic compound
- alnb
- welding line
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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
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/20—Bonding
- B23K26/21—Bonding by welding
- B23K26/24—Seam 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
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/14—Working by laser beam, e.g. welding, cutting or boring using a fluid stream, e.g. a jet of gas, in conjunction with the laser beam; Nozzles therefor
Abstract
The invention discloses a laser welding method for a Ti2A1Nb intermetallic compound. Impurities such as oxidized skins, oil stains and the like on the surface of a Ti2AlNb plate are cleaned. An Nd: YAG(Neodymium-doped Yttrium Aluminum Garnet) solid laser adopting a pulse square pulse output mode is used for welding and high-purity argon is adopted for front-and-back side protection of a welding line. Zigzag waves in oscillation attenuation are used for arc suppression of the welding line. The generation of cold cracks of the welding line is prevented and the Ti2A1Nb intermetallic compound laser welding line with good surface quality and excellent comprehensive mechanical performance can be obtained. The internal quality and the appearance quality of the welding line are excellent. The joint of the welding line is smooth and nice in appearance without defects such as oxidized parts, cracks and the like, and the comprehensive performance of the welding line is good.
Description
Technical field
The invention belongs to welding technology field, relate to a kind of Ti
2the method for laser welding of AlNb intermetallic compound.
Background technology
Along with the development of Aero-Space and defence and military technology, Ti
2alNb intermetallic compound, due to the elevated temperature strength of its excellence, specific strength and lower density, is more and more applied to above-mentioned field.If this material can be successfully applied to Aerospace Products manufacture, can effectively alleviate product structure weight, improve product flying quality.And during the development of product Practical Project, usually need to weld different parts, in order to realize product design requirement, weldquality and welding complexity directly affect the application in the product of this material, therefore need Ti
2welding method and the welding procedure of AlNb intermetallic compound strictly control.
Current Ti
2the welding method of AlNb intermetallic compound mainly contains soldering, diffusion welding (DW), argon arc welding, electron beam welding etc.Wherein soldering, diffusion welding (DW) belong to Solid-phase welding, and welding point elevated temperature strength is lower, and joint form is generally lap joint, limit this two kinds of welding method application in actual product.Due to Ti
2alNb intermetallic compound has serious cool attenuation, and during argon arc welding welding, heat input is comparatively large, usually just there will be a large amount of crackle when welding operation.Adopt Preheating in Welding can alleviate Ti to a certain extent
2the weld seam cold cracking inclination of AlNb intermetallic compound, but weld preheating adds the work difficulty of operator, affects welding efficiency.Electron beam welding has the advantages such as speed of welding is fast, thermal weld stress is little, weld seam non-oxidation, can realize Ti
2effective welding of AlNb intermetallic compound, but need carry out in vacuum environment due to electron beam welding, be difficult to realize automation, welding efficiency is lower.
Laser weld has that energy density is high, speed of welding is fast, depth-to-width ratio is large, strong adaptability, the advantage such as easily to be automated, and can meet the demand that following Aerospace Products complex structure is various.But at present to Ti
2the research of AlNb intermetallic compound laser weld is less, lacks the laser welding process method controlling the defects such as laser welded seam cold crack, oxidation.
Summary of the invention
The object of the invention is to propose a kind of Ti
2the method for laser welding of AlNb intermetallic compound, overcomes the above-mentioned deficiency of prior art, and it has good weld seam internal soundness and presentation quality, and welding line joint is smooth attractive in appearance, the defect such as non-oxidation, crackle, and weld seam combination property is better.
In order to reach above-mentioned purpose of design, the technical solution used in the present invention is as follows:
A kind of Ti
2the method for laser welding of AlNb intermetallic compound, comprises the following steps:
1) by Ti
2alNb plate welding seams surface and periphery oxide skin, greasy dirt impurity are cleaned out;
2) Ti will cleaned out
2the fixation of AlNb plate, ensures that weld seam butt-joint clearance is not more than 0.1mm, jump is not more than 10% mother metal wall thickness;
3) laser instrument is moved to commissure, the position of adjustment laser instrument, makes laser facula be in Weld pipe mill position;
4) Ti is remained on
2alNb intermetallic compound weld seam opens laser instrument under being in positive and negative argon shield state, starts welding;
5) adopt the zigzag Laser output of decay continuously during welding receipts arc, receive after arc terminates rear face side blowing and back protective gas delay 7s ~ 8s and stop blowing, complete welding.
Preferably, in step 1, will apart from Ti before weldering
2around AlNb Weld pipe mill, 20mm ~ 50mm scope internal oxidition skin, greasy dirt etc. are cleaned out, and weld seam docking end face adopts scraper to carry out scraping, until expose white light tone metal body, then adopts acetone wiped clean.
Preferably, the present invention adopts Nd:YAG solid state laser as lasing light emitter, peak power output 4kW, and optical maser wavelength is 1.06 μm; Adopt pulsed laser welding.
More preferably, during welding, technological parameter is: pulse laser waveform is square wave, laser base value power P
basefor 600W ~ 1000W, laser peak power P
peakfor 1200W ~ 2500W, pulse width tp is 20ms; Speed of welding v is 1200mm/min ~ 1500mm/min; Spot diameter D is 0.45mm, defocusing amount l is 0mm.
More preferably, the Ti of the present invention's employing
2alNb intermetallic compound main component is as follows, Al:11.1%, Nb:42.22%, Ti: surplus.
More preferably, in step 4, adopt the high-purity argon gas of 99.99% to carry out positive and negative protection in welding process, described argon gas face side air blowing flow is 15 ~ 20L/min, and back shielding gas flow amount is 4 ~ 6L/min.
More preferably, described welding receives arc distance from being 1 ~ 3mm, adopts the zigzag Laser output of decay continuously when receiving arc, welding arc crater is reduced in Melting And Solidification process repeatedly closed gradually.
Operation principle: the impurity such as test plate (panel) surface scale, greasy dirt are cleaned out by the present invention's welding; the Nd:YAG solid state laser adopting pulse square wave to export welds; and adopt high-purity argon gas to carry out the protection of weld seam positive and negative, adopt the zigzag wave of concussion decay to receive arc when weld seam receives arc.Avoid the appearance of weld seam cold crack, surface quality can be obtained better, the Ti that comprehensive mechanical property is excellent
2alNb intermetallic compound laser welded seam.
Ti of the present invention
2the beneficial effect of the method for laser welding of AlNb intermetallic compound is: adopt the method to effectively reduce Ti
2alNb intermetallic compound weld seam cool attenuation, obtain good weld seam internal soundness and presentation quality, weld seam combination property is better.Ti can be realized
2effective connection of AlNb intermetallic compound, welding line joint is smooth attractive in appearance, the defect such as non-oxidation, crackle, and combination property is good.
Adopt the method for laser welding that the present invention proposes, at the thick Ti of welding 1 ~ 3mm
2during AlNb intermetallic compound, effectively can avoid the appearance of weld seam cold crack, weld seam is excessively round and smooth, and meet the requirement of GJB1718A-2005 standard I level weld seam, weld seam comprehensive mechanical property is excellent.
Accompanying drawing explanation
Fig. 1 is Ti of the present invention
2the pulse laser waveform schematic diagram of the method for laser welding of AlNb intermetallic compound.
Detailed description of the invention
Below optimum implementation of the present invention is described in further detail.
A kind of Ti
2the method for laser welding of AlNb intermetallic compound, comprises the following steps:
1) by Ti
2the impurity such as AlNb plate welding seams surface and periphery oxide skin, greasy dirt are cleaned out;
2) Ti will cleaned out
2the fixation of AlNb plate, ensures that weld seam butt-joint clearance is not more than 0.1mm, jump is not more than 10% mother metal wall thickness;
3) laser instrument is moved to commissure, the position of adjustment laser instrument, makes laser facula be in Weld pipe mill position;
4) Ti is remained on
2alNb intermetallic compound weld seam opens laser instrument under being in positive and negative argon shield state, starts welding;
5) adopt the zigzag Laser output of decay continuously during welding receipts arc, receive after arc terminates rear face side blowing and back protective gas delay 7s ~ 8s and stop blowing, complete welding.
Embodiment 1:Ti
2the thick butt plates welding of AlNb intermetallic compound 1mm
The Ti of welding point thickness 1mm
2alNb intermetallic compound (cold-reduced sheet) butt welding.Clean out apart from the impurity such as oxide skin, greasy dirt within the scope of Weld pipe mill (20 ~ 50) mm before laser weld; During welding, laser base value power P
basefor 800W, laser peak power P
peakfor 1800W, pulse width tp is 20ms; Speed of welding v is 1300mm/min; Spot diameter D is 0.45mm, defocusing amount l is 0mm; Adopt the high-purity argon gas of 99.99% to carry out positive and negative protection, front gas flow is 18L/min, and backside gas flow is 5L/min; Welding receipts arc distance, from being 1mm, adopts the zigzag Laser output of decay continuously, receives after arc terminates rear face side blowing and back protective gas delay 7s ~ 8s and stops blowing.Welding result surface: appearance of weld is good, pore-free, the defects such as flawless.Weld seam normal temperature average tensile strength can reach 1040MPa, and average elongation after fracture is 5.5%.
Embodiment 2:Ti
2the thick butt plates welding of AlNb intermetallic compound 2mm
The Ti of welding point thickness 2mm
2alNb intermetallic compound (hot rolled plate) butt welding.Clean out apart from the impurity such as oxide skin, greasy dirt within the scope of Weld pipe mill (20 ~ 50) mm before laser weld; During welding, laser base value power P
basefor 600W, laser peak power P
peakfor 1200W, pulse width tp is 20ms; Speed of welding v is 1200mm/min; Spot diameter D is 0.45mm, defocusing amount l is 0mm; Adopt the high-purity argon gas of 99.99% to carry out positive and negative protection, front gas flow is 15L/min, and backside gas flow is 4L/min; Welding receipts arc distance, from being 2mm, adopts the zigzag Laser output of decay continuously, receives after arc terminates rear face side blowing and back protective gas delay 7s ~ 8s and stops blowing.Welding result surface: appearance of weld is good, pore-free, the defects such as flawless.Weld seam normal temperature average tensile strength can reach 970MPa, and average elongation after fracture is 4.7%.
Embodiment 3:Ti
2the thick butt plates welding of AlNb intermetallic compound 3mm
The Ti of welding point thickness 3mm
2alNb intermetallic compound (hot rolled plate) butt welding.Clean out apart from the impurity such as oxide skin, greasy dirt within the scope of Weld pipe mill (20 ~ 50) mm before laser weld; During welding, laser base value power P
basefor 1000W, laser peak power P
peakfor 2500W, pulse width tp is 20ms; Speed of welding v is 1500mm/min; Spot diameter D is 0.45mm, defocusing amount l is 0mm; Adopt the high-purity argon gas of 99.99% to carry out positive and negative protection, front gas flow is 20L/min, and backside gas flow is 6L/min; Welding receipts arc distance, from being 3mm, adopts the zigzag Laser output of decay continuously, receives after arc terminates rear face side blowing and back protective gas delay 7s ~ 8s and stops blowing.Welding result surface: appearance of weld is good, pore-free, the defects such as flawless.Weld seam normal temperature average tensile strength can reach 954MPa, and average elongation after fracture is 5.1%.
The present invention adopts the logical fast Nd:YAG solid state laser of Germany as lasing light emitter, peak power output 4kW, and optical maser wavelength is 1.06 μm; Adopt pulsed laser welding.Technological parameter is: pulse laser waveform is square wave (as shown in Figure 1), laser base value power P
basefor 600W ~ 1000W, laser peak power P
peakfor 1200W ~ 2500W, pulse width tp is 20ms; Speed of welding v is 1200mm/min ~ 1500mm/min; Spot diameter D is 0.45mm, defocusing amount l is 0mm.
The Ti that the present invention selects
2alNb intermetallic compound main component (wt%) is as follows, Al:11.1%, Nb:42.22%, Ti: surplus.
The high-purity argon gas of 99.99% is adopted to carry out positive and negative protection in welding process of the present invention, without packing material during welding, Ti
2alNb base metals forms weld seam from molten; Described argon gas face side air blowing flow is (15 ~ 20) L/min, and back shielding gas flow amount is (4 ~ 6) L/min.
According to actual welding demand, can arrange corresponding welding receive arc distance from, general arc distance of receiving, from optional (1 ~ 3) mm, also can need sets itself according to product structure.Select the zigzag Laser output of continuously decay when receiving arc, welding arc crater is reduced in Melting And Solidification process repeatedly closed gradually.
Above content is the further description done the present invention in conjunction with concrete preferred embodiment, and being convenient to these those skilled in the art can understand and apply the invention, and can not assert that specific embodiment of the invention is confined to these explanations.For general technical staff of the technical field of the invention, some simple deduction or replace can also be made without departing from the inventive concept of the premise, and need not through performing creative labour.Therefore, those skilled in the art are according to announcement of the present invention, and the simple modifications made the present invention all should within protection scope of the present invention.
Claims (7)
1. a Ti
2the method for laser welding of AlNb intermetallic compound, is characterized in that: comprise the following steps:
1) by Ti
2alNb plate welding seams surface and periphery oxide skin, greasy dirt impurity are cleaned out;
2) Ti will cleaned out
2the fixation of AlNb plate, ensures that weld seam butt-joint clearance is not more than 0.1mm, jump is not more than 10% mother metal wall thickness;
3) laser instrument is moved to commissure, the position of adjustment laser instrument, makes laser facula be in Weld pipe mill position;
4) Ti is remained on
2alNb intermetallic compound weld seam opens laser instrument under being in positive and negative argon shield state, starts welding;
5) adopt the zigzag Laser output of decay continuously during welding receipts arc, receive after arc terminates rear face side blowing and back protective gas delay 7s ~ 8s and stop blowing, complete welding.
2. Ti according to claim 1
2the method for laser welding of AlNb intermetallic compound, is characterized in that: in step 1, will apart from Ti before weldering
2around AlNb Weld pipe mill, 20mm ~ 50mm scope internal oxidition skin, cleaning oil pollution are totally, and weld seam docking end face adopts scraper to carry out scraping, until expose white light tone metal body, then adopts acetone wiped clean.
3. Ti according to claim 1
2the method for laser welding of AlNb intermetallic compound, is characterized in that: the present invention adopts Nd:YAG solid state laser as lasing light emitter, peak power output 4kW, and optical maser wavelength is 1.06 μm; Adopt pulsed laser welding.
4. Ti according to claim 3
2the method for laser welding of AlNb intermetallic compound, is characterized in that: during welding, technological parameter is: pulse laser waveform is square wave, laser base value power P
basefor 600W ~ 1000W, laser peak power P
peakfor 1200W ~ 2500W, pulse width tp is 20ms; Speed of welding v is 1200mm/min ~ 1500mm/min; Spot diameter D is 0.45mm, defocusing amount l is 0mm.
5. Ti according to claim 1
2the method for laser welding of AlNb intermetallic compound, is characterized in that: the Ti that the present invention adopts
2alNb intermetallic compound main component is as follows, Al:11.1%, Nb:42.22%, Ti: surplus.
6. Ti according to claim 1
2the method for laser welding of AlNb intermetallic compound; it is characterized in that: in step 4; adopt the high-purity argon gas of 99.99% to carry out positive and negative protection in welding process, described argon gas face side air blowing flow is 15 ~ 20L/min, and back shielding gas flow amount is 4 ~ 6L/min.
7. Ti according to claim 1
2the method for laser welding of AlNb intermetallic compound, is characterized in that: described welding receives arc distance from being 1 ~ 3mm, adopts the zigzag Laser output of decay continuously when receiving arc, welding arc crater is reduced in Melting And Solidification process repeatedly closed gradually.
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| CN201410498147.8A CN104400225B (en) | 2014-09-25 | 2014-09-25 | A kind of Ti2AlNb intermetallic compound method for laser welding |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105397292A (en) * | 2015-12-23 | 2016-03-16 | 北京航星机器制造有限公司 | Laser welding method for TA15/Ti2AlNb dissimilar material |
| CN108406028A (en) * | 2018-05-14 | 2018-08-17 | 华南师范大学 | The welding method of titanium, aluminum dissimilar metal |
| CN108672935A (en) * | 2018-07-25 | 2018-10-19 | 北京航星机器制造有限公司 | A kind of large size, thin walled weak rigid titanium alloy rudder wing structure method for laser welding |
| CN109249127A (en) * | 2018-11-30 | 2019-01-22 | 北京航星机器制造有限公司 | A kind of high-temperature titanium alloy pulse laser welding method |
| CN109967876A (en) * | 2019-05-13 | 2019-07-05 | 河海大学常州校区 | A kind of raising Ti2The method of AlNb based alloy laser weld performance |
| CN110539076A (en) * | 2019-09-19 | 2019-12-06 | 天津玛斯特车身装备技术有限公司 | protective gas for laser welding and laser welding method using same |
| CN111843204A (en) * | 2020-06-22 | 2020-10-30 | 河海大学常州校区 | Ti based on refined weld grains2AlNb-based alloy laser welding method |
| CN111843203A (en) * | 2020-06-22 | 2020-10-30 | 河海大学常州校区 | Gamma-TiAl intermetallic compound laser welding device with preheating device and method |
| RU2744292C1 (en) * | 2020-08-06 | 2021-03-04 | Федеральное государственное автономное образовательное учреждение высшего образования "Белгородский государственный национальный исследовательский университет" (НИУ "БелГУ") | Method for laser welding of alloy workpieces on the basis of the orthorhombic titanium aluminide ti2alnb with a globular structure |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006075853A (en) * | 2004-09-08 | 2006-03-23 | Sumitomo Metal Ind Ltd | Laser-welded joint of austenitic alloy steel and its production method |
| JP2008023569A (en) * | 2006-07-24 | 2008-02-07 | Jfe Steel Kk | METHOD FOR PRODUCING ULTRAHIGH-STRENGTH WELDED STEEL PIPE HAVING TENSILE STRENGTH EXCEEDING 800 MPa |
| CN103386551A (en) * | 2013-07-16 | 2013-11-13 | 西安交通大学 | System and method of improving appearance of laser welding line of titanium alloy sheet |
-
2014
- 2014-09-25 CN CN201410498147.8A patent/CN104400225B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006075853A (en) * | 2004-09-08 | 2006-03-23 | Sumitomo Metal Ind Ltd | Laser-welded joint of austenitic alloy steel and its production method |
| JP2008023569A (en) * | 2006-07-24 | 2008-02-07 | Jfe Steel Kk | METHOD FOR PRODUCING ULTRAHIGH-STRENGTH WELDED STEEL PIPE HAVING TENSILE STRENGTH EXCEEDING 800 MPa |
| CN103386551A (en) * | 2013-07-16 | 2013-11-13 | 西安交通大学 | System and method of improving appearance of laser welding line of titanium alloy sheet |
Non-Patent Citations (4)
| Title |
|---|
| BAESLACK, WA; CIESLAK, MJ; HEADLEY, TJ: "《STRUCTURE, PROPERTIES AND FRACTURE OF PULSED ND-YAG LASER WELDED TI-14.8WT-PERCENT-AL-21.3WT-PERCENT-NB TITANIUM ALUMINIDE》", 《SCRIPTA METALLURGICA》 * |
| W.A.BAESLACK AND M.J.CIESLAK: "EFFECT OF TREATMENT ON THE STRUCTURE,PROPERTIES AND FRACTURE OF Nd:YAGLASER WELDED Ti-14.8 wt% Al-21.3 wt% Nb", 《SCRIPTA METALLURGICA》 * |
| 董智军: "《Ti2AlNb基合金激光焊接特性研究》", 《中国优秀硕士学位论文全文数据库 工程科技I辑》 * |
| 雷正龙，董智军，等: "《激光焊接热输入对Ti2AlNb 合金组织性能的影响》", 《稀有金属材料与工程》 * |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105397292A (en) * | 2015-12-23 | 2016-03-16 | 北京航星机器制造有限公司 | Laser welding method for TA15/Ti2AlNb dissimilar material |
| CN108406028A (en) * | 2018-05-14 | 2018-08-17 | 华南师范大学 | The welding method of titanium, aluminum dissimilar metal |
| CN108406028B (en) * | 2018-05-14 | 2021-01-29 | 华南师范大学 | Welding method for titanium and aluminum dissimilar metal |
| CN108672935A (en) * | 2018-07-25 | 2018-10-19 | 北京航星机器制造有限公司 | A kind of large size, thin walled weak rigid titanium alloy rudder wing structure method for laser welding |
| CN109249127A (en) * | 2018-11-30 | 2019-01-22 | 北京航星机器制造有限公司 | A kind of high-temperature titanium alloy pulse laser welding method |
| CN109967876A (en) * | 2019-05-13 | 2019-07-05 | 河海大学常州校区 | A kind of raising Ti2The method of AlNb based alloy laser weld performance |
| CN110539076A (en) * | 2019-09-19 | 2019-12-06 | 天津玛斯特车身装备技术有限公司 | protective gas for laser welding and laser welding method using same |
| CN110539076B (en) * | 2019-09-19 | 2022-03-22 | 玛斯特轻量化科技(天津)有限公司 | Protective gas for laser welding and laser welding method using same |
| CN111843204A (en) * | 2020-06-22 | 2020-10-30 | 河海大学常州校区 | Ti based on refined weld grains2AlNb-based alloy laser welding method |
| CN111843203A (en) * | 2020-06-22 | 2020-10-30 | 河海大学常州校区 | Gamma-TiAl intermetallic compound laser welding device with preheating device and method |
| RU2744292C1 (en) * | 2020-08-06 | 2021-03-04 | Федеральное государственное автономное образовательное учреждение высшего образования "Белгородский государственный национальный исследовательский университет" (НИУ "БелГУ") | Method for laser welding of alloy workpieces on the basis of the orthorhombic titanium aluminide ti2alnb with a globular structure |
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