CN110293288A - A kind of gradient titanium alloy MIG electric arc increasing material manufacturing method of nitrogen home position strengthening - Google Patents
A kind of gradient titanium alloy MIG electric arc increasing material manufacturing method of nitrogen home position strengthening Download PDFInfo
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- CN110293288A CN110293288A CN201910360714.6A CN201910360714A CN110293288A CN 110293288 A CN110293288 A CN 110293288A CN 201910360714 A CN201910360714 A CN 201910360714A CN 110293288 A CN110293288 A CN 110293288A
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- titanium alloy
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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
- B23K9/00—Arc welding or cutting
- B23K9/16—Arc welding or cutting making use of shielding gas
- B23K9/173—Arc welding or cutting making use of shielding gas and of a consumable electrode
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y10/00—Processes of additive manufacturing
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- Mechanical Engineering (AREA)
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- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Arc Welding In General (AREA)
- Solid-Phase Diffusion Into Metallic Material Surfaces (AREA)
Abstract
The present invention discloses a kind of gradient titanium alloy MIG electric arc increasing material manufacturing method of nitrogen home position strengthening.Welding wire is sent into MIG welding gun through wire feed rolls by wire feeder, and welding wire is generating electric arc after ignition tip between base material, and wire feeder is sent into the titanium alloy welding wire of welding gun and surrounding titanium alloy material is in molten state under the effect of MIG electric arc heat；It will be exported after argon gas and nitrogen proportioner mixing match, nitrogen ionizes under MIG arcing in mixed gas, and the nitrogen and molten state titanium alloy reaction in-situ of ionic state generate titanium nitride reinforced phase, is distributed in the titanium alloy material of forming.Regulating gas proportioner realizes different nitrogen argon gas proportions, to obtain different strengthening effects.The present invention is during titanium alloy increasing material manufacturing, the reinforcing to titanium alloy material is realized simultaneously, is not necessarily to secondary hardening, reduces process flow, it can be matched simultaneously by regulating gas and realize that the gradient-controllable of titanium alloy material is strengthened, expand the use scope of titanium alloy material.
Description
Technical field
The present invention relates to titanium alloy material increasing fields, more particularly to a kind of gradient titanium alloy of nitrogen home position strengthening
MIG electric arc increasing material manufacturing method.
Background technique
It is a series of that titanium and titanium alloy are due to having the characteristics that small density, high temperature resistant, corrosion-resistant, intensity is high etc..With the time
Development, is gradually paid close attention to by all trades and professions.It is widely used in every field, including aerospace, national defence work
The fields such as industry.The generation of demand have stimulated the development of titanium or titanium alloy material, system of the complicated use environment to titanium alloy material
It is standby that more stringent requirements are proposed.And with the generation of novel processing step in recent years, increasing material manufacturing method because its " from bottom to top ",
The characteristics of " material addition ", is by extensive concern.The special process of increasing material manufacturing can be applied in the manufacture of titanium alloy material, it
The production cycle can substantially be shortened, reduce manufacturing cost.The increasing material manufacturing of MIG electric arc is as important point be wherein widely used
Branch, has the advantages that easy to control, high-efficient.But the electric arc increasing material manufacturing method of current titanium alloy has some offices of its own
Sex-limited, some parts that increasing material manufacturing is completed are unable to satisfy the industrially requirement to its intensity, this material for allowing for preparation is answered
For needing additionally to carry out secondary operation reinforcing in industry, process flow and production cost are increased；Meanwhile secondary hardening is often
The surface of material can only be strengthened, cannot achieve the reinforcing to material internal, strongly limit high strength titanium alloy material
In the development of various fields.
Summary of the invention
The object of the present invention is to provide a kind of gradient titanium alloy MIG electric arc increasing material manufacturing method of nitrogen home position strengthening,
It during titanium alloy increasing material manufacturing, while realizing and the entirety of titanium alloy material is strengthened, and pass through control gas mixing ratio
Realize controllable strengthening effect.
To achieve the above object, the present invention provides following schemes.
A kind of gradient titanium alloy MIG electric arc increasing material manufacturing method of nitrogen home position strengthening, which comprises by surface
The clean titanium alloy substrate to be processed of processing is fixed on controllable work platform.
Titanium alloy-based Board position is adjusted, is right against it under MIG welding gun.
Nitrogen cylinder and argon bottle are opened, reaction gas nitrogen and protective gas argon gas are provided.
Wire feeder is opened, wire feed rate is adjusted, welding wire is sent into MIG welding gun after wire feed rolls.
Start MIG welder switch, MIG welding gun generates electric arc；The nitrogen ionizes under the MIG arcing, is formed
The nitrogen of ionic state, the titanium alloy that molten state is in the welding wire and surrounding being sent into reaction process reacts, described to be processed
Titanium alloy substrate on in-situ preparation titanium nitride reinforced phase.
Optionally, in the opening nitrogen cylinder and argon bottle, reaction gas nitrogen and protective gas argon gas are provided later also
Include: the flow of the flow and the argon gas that adjust the nitrogen, to realize different titanium alloy strengthening effects.
Optionally, the welding wire is titanium alloy welding wire.
The specific embodiment provided according to the present invention, the invention discloses following technical effects: nitrogen of the present invention is in situ
During the titanium alloy MIG electric arc increasing material manufacturing of reinforcing, it is passed through nitrogen, makes nitrogen under the action of MIG electric arc in ion like
State, the titanium alloy reaction in-situ with molten condition, generating in titanium alloy substrate to be processed, there is the titanium of titanium nitride reinforced phase to close
Golden material carries out titanium alloy increasing material manufacturing simultaneously with the strengthening process to titanium alloy material, and operating process is simple, while making
Titanium alloy gradient material can be made by adjusting different gas mixing ratios during making, improve titanium alloy material uses model
It encloses.
Detailed description of the invention
It in order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, below will be to institute in embodiment
Attached drawing to be used is needed to be briefly described, it should be apparent that, the accompanying drawings in the following description is only some implementations of the invention
Example, for those of ordinary skill in the art, without creative efforts, can also obtain according to these attached drawings
Obtain other attached drawings.
Fig. 1 is the gradient titanium alloy MIG electric arc increasing material manufacturing side for the nitrogen home position strengthening that the embodiment of the present invention provides
The structural schematic diagram of method.
Fig. 2 is the gradient titanium alloy MIG electric arc increasing material manufacturing side for the nitrogen home position strengthening that the embodiment of the present invention provides
The flow chart of method.
Fig. 3 is the gradient titanium alloy MIG electric arc increasing material manufacturing side for the nitrogen home position strengthening that the embodiment of the present invention provides
The schematic diagram of method.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
The object of the present invention is to provide a kind of gradient titanium alloy MIG electric arc increasing material manufacturing method of nitrogen home position strengthening,
During titanium alloy increasing material manufacturing, the reinforcing to titanium alloy material is completed, and strengthening effect is controllable.
In order to make the foregoing objectives, features and advantages of the present invention clearer and more comprehensible, with reference to the accompanying drawing and specific real
Applying mode, the present invention is described in further detail.
Embodiment
As shown in Figure 1,3, titanium alloy increasing material manufacturing method provided in this embodiment include: wire feeder 1, MIG welding machine 2,
Controllable work platform 3, control centre 4, nitrogen cylinder 5, argon bottle 6, gas proportioning device 7, MIG welding gun 8, wire feed rolls 9 and titanium to be processed close
Gold base 12.
Controllable work platform 3, for placing titanium alloy substrate 12 to be processed.
Titanium alloy increasing material manufacturing method specific steps provided in this embodiment are as follows: (1) use MIG electric arc increasing material manufacturing method
Carry out the preparation of titanium alloy function-graded material.TC4 titanium alloy substrate 12 is surface-treated completely be placed on controllable work platform 3 it
On, and substrate position is fixed with fixture, 8 position of MIG welding gun is adjusted by control centre 4, confirms the initial position of MIG electric arc
With final position, it is ensured that MIG welding gun is located at right above substrate initial position；Regulating wire feeding wire feed rate, it is ensured that welding wire with
Fixed speed is sent into MIG welding gun after wire feed rolls.
(2) adjusting MIG welder electric current by control centre is 60-180A, speed of welding 80-240mm/min, is adjusted
Section 1 wire feed rate of wire feeder is 80-300cm/min, and protection feed channel is connected with nitrogen cylinder 5, argon bottle 6, while
Centre connects upper mixed gas proportioner 7；Gas cylinder switch, while regulating gas proportioner are opened, so that total gas flow rate is
10L/min, wherein nitrogen flow is 0-2L/min, and remaining gas is argon gas.
(3) during the increasing material manufacturing of MIG electric arc, controllable work platform 3 is controlled after the generation of MIG electric arc and is at the uniform velocity moved to set direction
Dynamic, TC4 welding wire melts under MIG arcing to be spread on titanium alloy substrate, starts single layer titanium alloy MIG electric arc increasing material manufacturing
Process, wherein nitrogen ionizes out the nitrogen of ionic state under MIG arcing, and the nitrogen of ionic state is attached under MIG arcing
Weld pool surface, drive in MIG electric arc moving process the titanium alloy flowing of bath molten state by be attached to weld pool surface from
The nitrogen of sub- state is brought into bath, and the nitrogen of ionic state reacts the examination for generating and having titanium nitride reinforced phase with molten state titanium in situ
Part, to complete the reinforcing to titanium alloy material in situ while the process of increasing material manufacturing.
(4) after the completion of the increasing material manufacturing of single track titanium alloy, protective gas and MIG welding machine is closed by control centre, control MIG
Welding gun is back to initial position and adjusts height, the flow of the nitrogen argon gas by adjusting the gas mixing ratio described in step 2
Range, controls different nitrogen argon gas ratios, and adjustment parameter continues the increasing material manufacturing process of titanium alloy material.Pass through real-time control
The different strengthening effects of titanium alloy material may be implemented in gas mixing ratio, realize that the controllable reinforcing of titanium alloy material, preparation have ladder
Spend the titanium alloy material of function.
This method can be realized the home position strengthening that titanium alloy material is completed at the same time during titanium alloy increasing material manufacturing,
And it can control different strengthening effects, it is easy to make operating process, and then improve the use scope of titanium alloy material.
A kind of gradient titanium alloy MIG electric arc increasing material manufacturing method of nitrogen home position strengthening, as shown in Fig. 2, the method
Include: step 1: the clean titanium alloy substrate to be processed of surface treatment is fixed on controllable work platform.
Step 2: control MIG welding gun is located at right above substrate initial position, and fixed wire feed is adjusted by control centre
Speed is sent into welding gun through wire feed rolls.
Step 3: opening nitrogen cylinder and argon bottle, provide reaction gas nitrogen and protective gas argon gas, and adjust the nitrogen
The different flow of gas and argon gas proportion.
Step 4: MIG welding machine being started by control centre, MIG welding gun generates electric arc, and the nitrogen is under MIG arcing
Ionization, form the nitrogen of ionic state, in manufacturing process be in molten state titanium alloy reaction in-situ, in the titanium to be processed
Titanium nitride reinforced phase is generated on alloy substrate.
As shown in figure 3, titanium alloy welding wire 10 is sent into MIG welding gun, MIG welding gun generates MIG electric arc 11, and nitrogen 14 is in MIG
Ionization forms the nitrogen of ionic state under the action of electric arc 11, is attached to the surface in molten bath 13, and titanium alloy welding wire 10 is spread in molten condition
On titanium alloy substrate Zhan Yu to be processed, the nitrogen of ionic state and the titanium alloy in-situ junction symphysis of molten condition enhance at titanium nitride
Phase, to complete the reinforcing to titanium alloy material in situ while the process of titanium alloy increasing material manufacturing.
Method provided by the invention not only may be implemented single layer titanium alloy increasing material manufacturing, and be adjusted by control centre
Gas proportioning device controls different nitrogen argon gas ratios, and adjustment parameter realizes the different strengthening effects of titanium alloy material, realizes titanium
The controllable reinforcing of alloy material prepares the titanium alloy material with gradient function.
For the method disclosed in the embodiment, since it is corresponding with device disclosed in embodiment, so the ratio of description
Relatively simple, reference may be made to the description of the method.
Used herein a specific example illustrates the principle and implementation of the invention, and above embodiments are said
It is bright to be merely used to help understand method and its core concept of the invention；At the same time, for those skilled in the art, foundation
Thought of the invention, there will be changes in the specific implementation manner and application range.In conclusion the content of the present specification is not
It is interpreted as limitation of the present invention.
Claims (10)
1. a kind of titanium alloy MIG electric arc increasing material manufacturing method of nitrogen home position strengthening, which is characterized in that the described method includes:
Control centre 4 is connected with wire feeder 1, MIG welding machine 2, controllable work platform 3, gas proportioning device 7, nitrogen cylinder 5, argon bottle 6 and gas
Body proportioner 7 exports after connecting to MIG welding gun 8；Welding wire is sent into MIG welding gun by wire feeder 1 after wire feed rolls 9.
2. the gradient titanium alloy MIG electric arc increasing material manufacturing method of nitrogen home position strengthening according to claim 1, special
Sign is: the wire feeder through wire feed rolls by the welding wire be sent into MIG welding gun, welding wire after ignition tip between base material
Generate electric arc；Welding wire is in molten state under MIG electric arc Source, and the nitrogen ionizes under MIG arcing, ion
The nitrogen of state moves near molten bath under argon atmosphere, the table for entering molten bath in the flow process of molten bath and being attached to molten bath
Face drives the flowing of bath molten state titanium alloy with the displacement of MIG electric arc heat source during increasing material manufacturing,
The titanium that ionic state nitrogen enters bath and molten state reacts in situ generates titanium nitride reinforced phase, is distributed in the titanium of forming
In alloy material, realize to the reinforcing in material preparation process.
3. the gradient titanium alloy MIG electric arc increasing material manufacturing method of nitrogen home position strengthening according to claim 1, special
Sign is: the controllable work platform to be processed titanium alloy substrate clean for placement surface processing, and by the control centre
Mach3 system, control x, y, z axis servo motor drive transmission device, realize controllable work platform spatial displacement, movement speed
For 80-240mm/min.
4. the gradient titanium alloy MIG electric arc increasing material manufacturing method of nitrogen home position strengthening according to claim 1, special
Sign is: MIG welding machine generates electric arc, and adjusting MIG welding current described in manufacturing process by the control centre is 60-
180A。
5. the gradient titanium alloy MIG electric arc increasing material manufacturing method of nitrogen home position strengthening according to claim 1, special
Sign is: welding wire is sent into welding gun after the wire feed rolls by the wire feeder.
6. the gradient titanium alloy MIG electric arc increasing material manufacturing method of nitrogen home position strengthening according to claim 5, special
Sign is: controlling the wire feeder wire feed rate by the control centre is 80-300cm/min.
7. the gradient titanium alloy MIG electric arc increasing material manufacturing method of nitrogen home position strengthening according to claim 5, special
Sign is: the welding wire is titanium alloy welding wire.
8. the gradient titanium alloy MIG electric arc increasing material manufacturing method of nitrogen home position strengthening according to claim 1, special
Sign is: the nitrogen cylinder and argon bottle, is used for reaction gas nitrogen and protective gas argon gas is inputted in the process, wherein nitrogen
It is reacted with molten state titanium alloy and generates titanium nitride reinforced phase, argon gas protects reaction process.
9. the gradient titanium alloy MIG electric arc increasing material manufacturing method of nitrogen home position strengthening according to claim 1, special
Sign is: the gas proportioning device is controlled by the control centre, the nitrogen for carrying out conveying is matched with argon gas, from
And realize different titanium alloy strengthening effects.
10. the gradient titanium alloy MIG electric arc increasing material manufacturing method of nitrogen home position strengthening according to claim 9,
Be characterized in that: it is 10L/min that the gas proportioning device, which adjusts total gas flow, and wherein nitrogen flow is 0-2L/min, remaining
Gas is argon gas.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910360714.6A CN110293288A (en) | 2019-04-30 | 2019-04-30 | A kind of gradient titanium alloy MIG electric arc increasing material manufacturing method of nitrogen home position strengthening |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910360714.6A CN110293288A (en) | 2019-04-30 | 2019-04-30 | A kind of gradient titanium alloy MIG electric arc increasing material manufacturing method of nitrogen home position strengthening |
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| CN110293288A true CN110293288A (en) | 2019-10-01 |
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| CN201910360714.6A Withdrawn CN110293288A (en) | 2019-04-30 | 2019-04-30 | A kind of gradient titanium alloy MIG electric arc increasing material manufacturing method of nitrogen home position strengthening |
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Application publication date: 20191001 |