CN106425043B - titanium alloy welding method - Google Patents
titanium alloy welding method Download PDFInfo
- Publication number
- CN106425043B CN106425043B CN201610918411.8A CN201610918411A CN106425043B CN 106425043 B CN106425043 B CN 106425043B CN 201610918411 A CN201610918411 A CN 201610918411A CN 106425043 B CN106425043 B CN 106425043B
- Authority
- CN
- China
- Prior art keywords
- welding
- parts
- titanium alloy
- compound
- weld
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
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
- B23K9/00—Arc welding or cutting
- B23K9/16—Arc welding or cutting making use of shielding gas
- B23K9/167—Arc welding or cutting making use of shielding gas and of a non-consumable electrode
-
- 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
- B23K9/00—Arc welding or cutting
- B23K9/23—Arc welding or cutting taking account of the properties of the materials to be welded
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Arc Welding In General (AREA)
- Nonmetallic Welding Materials (AREA)
Abstract
The invention discloses a kind of titanium alloy welding methods, including：Step 1: to being cleaned at titanium alloy welding；Step 2: preparing welding compound, the raw mixture of welding compound is to be made of the following components counted in parts by weight：MgF24~5 parts, 4~6 parts of NaF, Cr2O340~45 parts, TiO211~14 parts, CrCl37~9 parts, Ta2O510~13 parts；Step 3: at twice by welding compound brushing in weld, it is 0.04~0.06mm to brush be formed by welding compound coating thickness for the first time, and it is 0.3~0.5mm that second of brushing, which is formed by welding compound coating thickness,；Step 4: proceeding to 5min from starting welding, speed of welding is 80~90mm/min, and welding proceeds to after 5min, and speed of welding is 100~120mm/min.Invention increases welding penetrations, reduce weld porosity rate.
Description
Technical field
The present invention relates to a kind of titanium alloy welding methods.
Background technology
Titanium alloy is a kind of excellent structural material, has the characteristics that density is small, intensity is high, high temperature performance is good, extensively
It is general to be applied to the fields such as aerospace, chemical industry, instrument manufacture.Titanium is very stable in normal temperature air, is to start and sky when it is heated
Oxygen in gas reacts, and forms fine and close oxidation film, and when temperature is more than 500 degree, oxidation film becomes cellular, thickens and hold
It easily strips off, oxygen is constantly inwardly spread by the aperture in film, and titanium alloy plasticity is made to be lower.Accordingly, it is desirable to provide one kind can change
Kind welding fabrication and the titanium alloy welding method for controlling gas hole defect.
Invention content
In view of the above technical problems, the present invention provides one kind can improving welding fabrication, and porosity when reducing welding increases
The titanium alloy welding method of welding penetration.
Technical solution provided by the invention is：
A kind of titanium alloy welding method, including：
Step 1: to being cleaned at titanium alloy welding；
Step 2: preparing welding compound, the raw mixture of welding compound is to be made of the following components counted in parts by weight：
MgF24~5 parts, 4~6 parts of NaF, Cr2O340~45 parts, TiO211~14 parts, CrCl37~9 parts, Ta2O510~13
Part, it is 50~90 μm that the raw mixture, which is ground to grain size, then acetone is added into the raw mixture；
Step 3: at twice by the welding compound brushing at titanium alloy welding, brushes be formed by welding compound for the first time
Coating thickness is 0.04~0.06mm, and 3~6min is spaced between brushing for the first time and second of brushing, and second of brushing is formed
Welding compound coating thickness be 0.3~0.5mm；
Step 4: welded to weld using argon tungsten-arc welding, welding current is 90~95A, weldingvoltage 8V,
Proceed to 5min from starting welding, speed of welding is 80~90mm/min, and welding proceeds to after 5min, and speed of welding is
100~120mm/min.
Preferably, in the titanium alloy welding method, in the step 2, the raw mixture is by by weight
The following components of number meter forms：MgF25 parts, 6 parts of NaF, Cr2O345 parts, TiO214 parts, CrCl39 parts, Ta2O5 13
Part.
Preferably, it in the titanium alloy welding method, in the step 3, brushes be formed by welding compound for the first time
Coating thickness is 0.04mm, and it is 0.3mm that second of brushing, which is formed by welding compound coating thickness,.
Preferably, in the titanium alloy welding method, in the step 4, from starting to proceed to 5min to welding,
Speed of welding is 90mm/min, and welding proceeds to after 5min, speed of welding 120mm/min.
Preferably, in the titanium alloy welding method, in the step 1, to being cleaned at titanium alloy welding
When, the burr of weld is cleaned up, then the greasy dirt of weld is washed with acetone.
Titanium alloy welding method of the present invention increases welding penetration, reduces weld porosity rate, improves welding
The stability at place.
Specific implementation mode
The present invention is described in further detail below, to enable those skilled in the art being capable of evidence with reference to specification word
To implement.
The present invention provides a kind of titanium alloy welding method, including：
Step 1: to being cleaned at titanium alloy welding, welding is interfered to avoid other impurities.
Step 2: preparing welding compound, the raw mixture of welding compound is to be made of the following components counted in parts by weight：
MgF24~5 parts, 4~6 parts of NaF, Cr2O340~45 parts, TiO211~14 parts, CrCl37~9 parts, Ta2O510~13
Part, it is 50~90 μm that the raw mixture, which is ground to grain size, then acetone is added into the raw mixture.Welding compound can
To increase welding penetration, to keep the mechanical property of weld more stable, intensity higher, meanwhile, the application of welding compound contributes to
Weld blowhole rate is reduced, avoids cracking.
Step 3: at twice by the welding compound brushing at titanium alloy welding, brushes be formed by welding compound for the first time
Coating thickness is 0.04~0.06mm, and 3~6min is spaced between brushing for the first time and second of brushing, and second of brushing is formed
Welding compound coating thickness be 0.3~0.5mm.Due to carrying out cleaning to weld, the titanium on weld surface in microstructure
There are pits between alloying pellet, and brush first to be filled in these pits for the first time with welding compound, after acetone is evaporated completely, weldering
It connects the metallic particles in agent to be embedded in these pits, be combined with titanium alloy particle；Later, when brushing for second, in welding compound
Metallic particles covering weld surface layer on, formed a continuous film.The above process, which is more advantageous to, ensures that weld is whole
Molding effect on body is uniform, well, to ensure that the overall mechanical properties of weld are stablized.
Step 4: welded to weld using argon tungsten-arc welding, welding current is 90~95A, weldingvoltage 8V,
Proceed to 5min from starting welding, speed of welding is 80~90mm/min, and welding proceeds to after 5min, and speed of welding is
100~120mm/min.Relatively small speed of welding is first used, first weld is preheated, then uses relatively large weldering
Speed is connect, welding penetration can be further increased, bubble is avoided to generate.
Preferably, in the titanium alloy welding method, in the step 2, the raw mixture is by by weight
The following components of number meter forms：MgF25 parts, 6 parts of NaF, Cr2O345 parts, TiO214 parts, CrCl39 parts, Ta2O5 13
Part.
Preferably, it in the titanium alloy welding method, in the step 3, brushes be formed by welding compound for the first time
Coating thickness is 0.04mm, and it is 0.3mm that second of brushing, which is formed by welding compound coating thickness,.
Preferably, in the titanium alloy welding method, in the step 4, from starting to proceed to 5min to welding,
Speed of welding is 90mm/min, and welding proceeds to after 5min, and speed of welding is 120mm/min.
Preferably, in the titanium alloy welding method, in the step 1, to being cleaned at titanium alloy welding
When, the burr of weld is cleaned up, then the greasy dirt of weld is washed with acetone.
Embodiment one
A kind of titanium alloy welding method, including：
Step 1: to being cleaned at titanium alloy welding；
Step 2: preparing welding compound, the raw mixture of welding compound is to be made of the following components counted in parts by weight：
MgF24 parts, 4 parts of NaF, Cr2O340 parts, TiO211 parts, CrCl37 parts, Ta2O510 parts, the raw mixture is ground
It is 50 μm to grain size, then acetone is added into the raw mixture；
Step 3: at twice by the welding compound brushing at titanium alloy welding, brushes be formed by welding compound for the first time
Coating thickness is 0.04mm, brushes for the first time and is spaced 3min between brushing for second, brushes be formed by welding compound for the second time
Coating thickness is 0.3mm；
Step 4: welded to weld using argon tungsten-arc welding, welding current 90A, weldingvoltage 8V, from opening
Begin to proceed to 5min, speed of welding 80mm/min to welding, welding proceeds to after 5min, speed of welding 100mm/min.
Welding penetration reaches 4.89mm.The embodiment can be the titanium alloy plate of 4mm or more with throat thickness.
Embodiment two
A kind of titanium alloy welding method, including：
Step 1: to being cleaned at titanium alloy welding；
Step 2: preparing welding compound, the raw mixture of welding compound is to be made of the following components counted in parts by weight：
MgF25 parts, 6 parts of NaF, Cr2O345 parts, TiO214 parts, CrCl39 parts, Ta2O513 parts, the raw mixture is ground
It is 90 μm to grain size, then acetone is added into the raw mixture；
Step 3: at twice by the welding compound brushing at titanium alloy welding, brushes be formed by welding compound for the first time
Coating thickness is 0.06mm, brushes for the first time and is spaced 6min between brushing for second, brushes be formed by welding compound for the second time
Coating thickness is 0.5mm；
Step 4: welded to weld using argon tungsten-arc welding, welding current 95A, weldingvoltage 8V, from opening
Begin to proceed to 5min, speed of welding 90mm/min to welding, welding proceeds to after 5min, speed of welding 120mm/min.
Welding penetration reaches 4.78mm.The embodiment can be the titanium alloy plate of 4mm or more with throat thickness.
Although the embodiments of the present invention have been disclosed as above, but its is not only in the description and the implementation listed
With it can be fully applied to various fields suitable for the present invention, for those skilled in the art, can be easily
Realize other modification, therefore without departing from the general concept defined in the claims and the equivalent scope, the present invention is simultaneously unlimited
In specific details.
Claims (2)
1. a kind of titanium alloy welding method, which is characterized in that including：
Step 1: to being cleaned at titanium alloy welding；
Step 2: preparing welding compound, the raw mixture of welding compound is to be made of the following components counted in parts by weight：MgF2 4
Part, 4 parts of NaF, Cr2O340 parts, TiO211 parts, CrCl37 parts, Ta2O510 parts, the raw mixture is ground to grain size
It is 50 μm, then acetone is added into the raw mixture；
Step 3: at twice by the welding compound brushing at titanium alloy welding, brushes be formed by welding compound film for the first time
Thickness is 0.04mm, brushes for the first time and is spaced 3min between brushing for second, brushes be formed by welding compound film for the second time
Thickness is 0.3mm；
Step 4: welded to weld using argon tungsten-arc welding, welding current 90A, weldingvoltage 8V, from start to
Welding proceeds to 5min, speed of welding 80mm/min, and welding proceeds to after 5min, speed of welding 100mm/min.
2. titanium alloy welding method as described in claim 1, which is characterized in that in the step 1, at titanium alloy welding
When being cleaned, the burr of weld is cleaned up, then washes the greasy dirt of weld with acetone.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610918411.8A CN106425043B (en) | 2016-10-21 | 2016-10-21 | titanium alloy welding method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610918411.8A CN106425043B (en) | 2016-10-21 | 2016-10-21 | titanium alloy welding method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106425043A CN106425043A (en) | 2017-02-22 |
| CN106425043B true CN106425043B (en) | 2018-09-25 |
Family
ID=58176719
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610918411.8A Active CN106425043B (en) | 2016-10-21 | 2016-10-21 | titanium alloy welding method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106425043B (en) |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1276815C (en) * | 2004-01-09 | 2006-09-27 | 国营七四一四厂 | Tungsten electrode argon arc welding active flux for increasing welding fusion depth |
| CN102794582B (en) * | 2012-08-15 | 2015-01-14 | 北京工业大学 | Soldering flux matched with high-melting-point solder and preparation method thereof |
| CN103878470B (en) * | 2014-03-31 | 2016-08-17 | 山东大学 | A kind of titanium alloy and the argon tungsten arc process of nickel alloy foreign material |
| CN104128696A (en) * | 2014-06-30 | 2014-11-05 | 中国化学工程第十四建设有限公司 | Titanium pipeline argon arc welding process method |
| CN104476015B (en) * | 2014-10-31 | 2019-01-01 | 天津市宏远钛铁有限公司 | A kind of titanium alloy welding compound and welding method |
| CN104551448A (en) * | 2015-01-19 | 2015-04-29 | 九龙坡区辉腾机械加工厂 | Novel soldering flux and preparation method thereof |
-
2016
- 2016-10-21 CN CN201610918411.8A patent/CN106425043B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN106425043A (en) | 2017-02-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US11560629B2 (en) | Methods of preparing articles by electrodeposition and additive manufacturing processes | |
| US10808322B2 (en) | Electrodeposited compositions and nanolaminated alloys for articles prepared by additive manufacturing processes | |
| US20170226619A1 (en) | Systems and Methods Implementing Layers of Devitrified Metallic Glass-Based Materials | |
| DE102015105139A1 (en) | Method for producing a corrosion-resistant and shiny coating for a light metal workpiece | |
| CN109778250B (en) | Method for preparing magnetic metal nanotube by controlling electrodeposition conditions | |
| CN106903394A (en) | A kind of almag structural member increasing material manufacturing method | |
| CN106425043B (en) | titanium alloy welding method | |
| CN104745019A (en) | Preparation method for nano SiO2/TiO2 modified PVDF (polyvinylidene fluoride) super-hydrophobic composite film with self-cleaning characteristics | |
| CN112548399A (en) | Active agent for stainless steel welding and preparation method and application thereof | |
| JP6404226B2 (en) | Electrode for oxygen generation in industrial electrochemical processes, method for producing the electrode, and method for cathodic electrodeposition of metal from aqueous solution using the electrode | |
| CN110238345A (en) | A kind of cast aluminium alloy gold anticorrosive coating and its method for preparing surface recombination film | |
| CN108796498A (en) | A kind of method that laser melting coating aluminum alloy surface autoreaction generates ceramic phase | |
| CN103668398A (en) | Magnesium-lithium alloy surface treatment method and product | |
| CN105755428B (en) | Expand penetration enhancer and ooze Magnesiumalloy surface modifying method using the powder thermal expansion of the expansion penetration enhancer | |
| CN105506534B (en) | A kind of corrosion resistant aluminium preparation technology of coating of the conductive energy of Mg alloy surface | |
| CN107177813B (en) | One kind direct thermally grown α-Al on M-Al intermetallic compound2O3Method and application | |
| JP2019512609A (en) | Metal part, method of manufacturing the same, and process chamber provided with metal part | |
| CN106086877B (en) | A kind of laser cladding coating surface reinforcing method based on raising titanium alloy surface fusing point | |
| CN104476015B (en) | A kind of titanium alloy welding compound and welding method | |
| KR20210137540A (en) | Method of Fabrication of Assemblies by Tungsten Inert Gas (TIG) Welding | |
| DE102011055644B4 (en) | Process for producing a black oxide ceramic surface layer on a light metal alloy component | |
| CN105132985A (en) | Metal element and resin compound body and manufacturing method of metal element and resin compound body | |
| CA2614005C (en) | Method of producing and joining superalloy balls by means of brazing and objects produced with such joints | |
| JP3582259B2 (en) | Preparation method of anticorrosion titanium oxide film | |
| US20080115810A1 (en) | Method of reactivating electrode for electrolysis |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |