CN110293320A - A kind of gradient titanium alloy laser gain material manufacturing method of boron element home position strengthening - Google Patents
A kind of gradient titanium alloy laser gain material manufacturing method of boron element home position strengthening Download PDFInfo
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- CN110293320A CN110293320A CN201910346552.0A CN201910346552A CN110293320A CN 110293320 A CN110293320 A CN 110293320A CN 201910346552 A CN201910346552 A CN 201910346552A CN 110293320 A CN110293320 A CN 110293320A
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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
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/34—Laser welding for purposes other than joining
- B23K26/342—Build-up welding
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Abstract
The present invention discloses a kind of gradient titanium alloy laser gain material manufacturing method of boron element home position strengthening, and laser aid generates laser beam during the work time, and the titanium alloy welding wire and surrounding titanium alloy material that wire feeder is sent into are in molten state under laser heat effect；The reactive material boron that dust feeder is sent into moves under laser beam effect, and the titanium alloy reaction in-situ with molten state, the in-situ preparation titanium boride reinforced phase on titanium alloy material to be processed.It adjusts dust feeder and realizes different boron powder feeding amounts, to obtain different gradient strengthening effects.The present invention is during titanium alloy increasing material manufacturing, the reinforcing to titanium alloy material is realized simultaneously, no longer need to the secondary hardening for additionally carrying out material, reduce process flow, it can realize that the gradient-controllable of titanium alloy material is strengthened, and the use scope of titanium alloy material is expanded by adjusting different boron powder feeding amounts simultaneously.
Description
Technical field
The present invention relates to titanium alloy material increasing fields, more particularly to a kind of gradient titanium alloy of boron element home position strengthening
Laser gain material manufacturing method.
Background technique
With the development of the industrial circles such as aerospace, the application range of titanium or titanium alloy constantly expands, this just closes titanium
More stringent requirements are proposed for the manufacture of golden material.Single titanium alloy due to its lower fatigue strength, hardness is low, wears no resistance
The disadvantages of cannot be widely used in complicated industrial environment.The characteristics of " from bottom to top " of increasing material manufacturing, " material addition "
Make it in recent years by extensive concern and application.Laser gain material manufacture is used as important component therein, can disposably shape
High-densit, high performance multi-functional complex parts.But traditional laser gain material manufacturing method also has the limitation of its own,
The intensity of the titanium alloy material of production cannot match with the titanium alloy intensity required in industrial complex environment and special dimension, and
And its performance can not meet the gradient strengthening effect that some fields require.This material for allowing for preparation is applied to need in industry
Secondary operation reinforcing is additionally carried out, process flow and production cost are increased；Meanwhile secondary hardening often can only be to material
Surface is strengthened, and cannot achieve the reinforcing to material internal, strongly limits high strength titanium alloy material in various fields
Development.
Summary of the invention
The object of the present invention is to provide a kind of gradient titanium alloy laser gain material manufacturing methods of boron element home position strengthening, in titanium
It during alloy increasing material manufacturing, while realizing and the entirety of titanium alloy material is strengthened, and can by control powder sending quantity realization
The strengthening effect of control.
To achieve the above object, the present invention provides following schemes.
A kind of gradient titanium alloy laser gain material manufacturing method of boron element home position strengthening, which comprises at surface
The clean titanium alloy substrate to be processed of reason is fixed on controllable work platform.
The angle for controlling welding wire and the titanium alloy substrate to be processed is 30 °, and the welding wire is made to be located at laser head
Underface.
Argon bottle is opened, protective gas argon gas is provided.
Dust feeder is opened, boron powder needed for reaction is provided.
Wire feeder is opened, wire feed rate is adjusted, realizes that the synchronous of welding wire is sent into while laser heat source movement.
Laser switch is opened by laser controlling center, laser generates laser and emits laser beam from laser head；
The boron moves under laser beam effect, and the titanium alloy of molten state is in the welding wire and surrounding being sent into reaction process
Reaction, the in-situ preparation titanium boride reinforced phase on the titanium alloy substrate to be processed.
Optionally, after the opening dust feeder, boron powder needed for reaction is provided further include: the powder sending quantity is adjusted,
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: boron element of the present invention is in situ
During the titanium alloy laser gain material manufacture of reinforcing, it is sent into boron powder, boron is made to move to melting titanium alloy under the effect of the laser
Around, and the titanium alloy reaction in-situ with molten condition, titanium boride reinforced phase is generated in titanium alloy material to be processed, closes titanium
Golden increasing material manufacturing carries out simultaneously with the strengthening process to titanium alloy material, and operating process is simple, while passing through in the fabrication process
Titanium alloy gradient material can be made by adjusting different powder feeding amounts, improve the use scope of titanium alloy material.
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 laser gain material manufacturing method for the boron element home position strengthening that the embodiment of the present invention provides
Structural schematic diagram.
Fig. 2 is the gradient titanium alloy laser gain material manufacturing method for the boron element home position strengthening that the embodiment of the present invention provides
Flow chart.
Fig. 3 is the gradient titanium alloy laser gain material manufacturing method for the boron element home position strengthening that the embodiment of the present invention provides
Schematic diagram.
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 laser gain material manufacturing methods of boron element home position strengthening, in titanium
During 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, 2, titanium alloy increasing material manufacturing method provided in this embodiment includes: laser 1, laser controlling center
2, wire feeder 3, controllable work platform 4, argon bottle 5, dust feeder 6, protection feed channel 7, laser head 8 and titanium alloy to be processed
Substrate 9.
Controllable work platform 4, for placing titanium alloy substrate 9 to be processed.
Titanium alloy increasing material manufacturing method specific steps provided in this embodiment are as follows:
(1) preparation of titanium alloy function-graded material is carried out using laser gain material manufacturing method.By 9 surface of TC4 titanium alloy substrate
Processing is completely placed on controllable work platform 4, and fixes substrate position with fixture, adjusts laser by laser controlling center 2
First 8 position confirms initial position and the final position of laser beam, it is ensured that laser is located at right above substrate initial position；Adjust titanium
Alloy welding wire position is right against its end under laser beam and silk a height of 0, and wire feed angle is 30 °, and welding wire is in laser gain material system
Make the front that laser is always positioned at laser moving direction.
(2) it is 1000-3000W, speed of welding 3-12mm/s in laser controlling center adjustment laser power, adjusts wire feed
1 wire feed rate of mechanism is 100-300cm/min, and protection feed channel 7 is connected with argon bottle 5；Gas cylinder switch is opened, is sent into and protects
Protect gases argon；Dust feeder 6 is opened, adjusting powder feed rate is 10-15g/min.
(3) in laser gain material manufacturing process, control work platform 4 is at the uniform velocity moved to set direction after laser beam generation, TC4 weldering
Silk melts under laser action to be spread on titanium alloy substrate, starts single layer titanium alloy laser gain material manufacturing process, wherein boron exists
It is attached to weld pool surface under laser action, drives the titanium alloy flowing of bath molten state that will be attached in laser moving process
The boron of the ionic state of weld pool surface is brought into bath, and boron is combined in situ with molten state titanium generates titanium boride reinforced phase, from
And 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 laser aid switch are closed, laser head is back to just
Beginning and adjusts height at position, passes through the amount that the dust feeder described in step 2 is sent into boron powder that adjusts, adjustment parameter continues titanium
The increasing material manufacturing process of alloy material.The different strengthening effects of titanium alloy material may be implemented by real-time control powder sending quantity, it is real
The controllable reinforcing of existing titanium alloy material, prepares the titanium alloy material with gradient 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 laser gain material manufacturing method of boron element home position strengthening, as shown in Fig. 2, the method packet
It includes:
Step 1: the clean titanium alloy substrate to be processed of surface treatment is fixed on controllable work platform；
Step 2: the angle of control titanium alloy welding wire and the titanium alloy substrate to be processed is 30 °, and the welding wire is made to be located at institute
The underface of laser head is stated, and wire feed rate is adjusted by wire feeder；
Step 3: opening argon bottle, protective gas argon gas is provided, and adjust the amount that the dust feeder is sent into boron powder；
Step 4: laser switch being opened by laser controlling center, laser generates laser and emits laser from laser head
Beam；The boron moves to around titanium alloy under laser action, and anti-in situ with the titanium alloy in manufacturing process in molten state
It answers, titanium boride reinforced phase is generated on the titanium alloy substrate to be processed.
As shown in figure 3, laser head 8-1 generates laser beam 11, boron 6-1 is attached to molten bath 12 under the action of laser beam
Surface, titanium alloy welding wire 10 are spread on titanium alloy substrate to be processed under the action of laser beam 11 in molten condition, ion
The boron of state and the titanium alloy in-situ junction symphysis of molten condition are at titanium boride reinforced phase, thus in the processed of titanium alloy increasing material manufacturing
The reinforcing to titanium alloy material is completed while journey in situ.
Method provided by the invention not only may be implemented single layer titanium alloy increasing material manufacturing, and be matched by adjusting in gas
Than device, different boron powder feeding amounts is controlled, adjustment parameter realizes the different strengthening effects of titanium alloy material, realizes titanium alloy material
The controllable reinforcing of 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 laser gain material manufacturing method of boron element home position strengthening, which is characterized in that the described method includes: laser
Device 1, laser head 8 and controllable work platform 4 are connected with laser controlling center 2, and argon bottle 5 is defeated after being connected by protection feed channel 7
Out；Wire feeder 3 send welding wire to titanium alloy substrate to be processed, and required boron powder is sent into system of processing by dust feeder 6.
2. the gradient titanium alloy laser gain material manufacturing method of boron element home position strengthening according to claim 1, feature
Be: the wire feeder send the welding wire to titanium alloy designated position to be processed, and welding wire is under laser heat source effect in molten
Melt state, the boron moves near molten bath under argon atmosphere, and molten bath is entered in the flow process of molten bath and is attached to molten bath
Surface drive the flowing of bath molten state titanium alloy with the displacement of laser heat source during increasing material manufacturing,
The titanium that boron enters bath and molten state reacts in situ to be generated titanium boride reinforced phase and realizes in material preparation process
Reinforcing.
3. the gradient titanium alloy laser gain material manufacturing method of boron element home position strengthening according to claim 1, feature
It is: the controllable work platform to be processed titanium alloy substrate clean for placement surface processing, and by the laser controlling center
Control spatial displacement, movement speed 3-12mm/s.
4. the gradient titanium alloy laser gain material manufacturing method of boron element home position strengthening according to claim 1, feature
Be: laser generates laser and emits laser beam by laser head, and it is 1000- that laser controlling center adjustment, which emits laser power,
3000W。
5. the gradient titanium alloy laser gain material manufacturing method of boron element home position strengthening according to claim 1, feature
Be: welding wire is sent by the wire feeder, and is sent into angle and horizontal base plate into 30 ° of angles.
6. the gradient titanium alloy laser gain material manufacturing method of boron element home position strengthening according to claim 5, feature
Be: the wire feeder wire feed rate is 100-300cm/min.
7. the gradient titanium alloy laser gain material manufacturing method of boron element home position strengthening according to claim 5, feature
Be: the welding wire is titanium alloy welding wire.
8. the gradient titanium alloy laser gain material manufacturing method of boron element home position strengthening according to claim 1, feature
It is: the argon bottle, for being protected to reaction process to protective gas argon gas is inputted in the process.
9. the gradient titanium alloy laser gain material manufacturing method of boron element home position strengthening according to claim 1, feature
It is: the dust feeder, for being sent into different amounts of boron powder, to realize different titanium alloy strengthening effects.
10. the gradient titanium alloy laser gain material manufacturing method of boron element home position strengthening according to claim 9, feature
Be: it is 10-15g/min that the dust feeder, which adjusts powder feed rate,.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111037157A (en) * | 2019-12-31 | 2020-04-21 | 西北工业大学 | Multi-component flux-cored wire and preparation method thereof |
| CN111299837A (en) * | 2019-11-27 | 2020-06-19 | 北京工业大学 | Efficient laser additive manufacturing method based on wire thermal conduction welding |
| CN111992715A (en) * | 2020-08-21 | 2020-11-27 | 浙江工业大学 | Laser-induced interface in-situ reaction enhanced titanium alloy additive manufacturing method |
| CN112680590A (en) * | 2020-12-21 | 2021-04-20 | 北京航空航天大学 | Additive manufacturing strengthening device and method based on optical fiber transmission |
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2019
- 2019-04-26 CN CN201910346552.0A patent/CN110293320A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111299837A (en) * | 2019-11-27 | 2020-06-19 | 北京工业大学 | Efficient laser additive manufacturing method based on wire thermal conduction welding |
| CN111037157A (en) * | 2019-12-31 | 2020-04-21 | 西北工业大学 | Multi-component flux-cored wire and preparation method thereof |
| CN111992715A (en) * | 2020-08-21 | 2020-11-27 | 浙江工业大学 | Laser-induced interface in-situ reaction enhanced titanium alloy additive manufacturing method |
| CN112680590A (en) * | 2020-12-21 | 2021-04-20 | 北京航空航天大学 | Additive manufacturing strengthening device and method based on optical fiber transmission |
| CN112680590B (en) * | 2020-12-21 | 2022-04-15 | 北京航空航天大学 | Additive manufacturing strengthening device and method based on optical fiber transmission |
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