CN108500263A - A kind of quick forming method of bionical clam shell feature titanium matrix composite - Google Patents
A kind of quick forming method of bionical clam shell feature titanium matrix composite Download PDFInfo
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- CN108500263A CN108500263A CN201810289146.0A CN201810289146A CN108500263A CN 108500263 A CN108500263 A CN 108500263A CN 201810289146 A CN201810289146 A CN 201810289146A CN 108500263 A CN108500263 A CN 108500263A
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- titanium
- silk
- matrix composite
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- clam shell
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F10/00—Additive manufacturing of workpieces or articles from metallic powder
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F10/00—Additive manufacturing of workpieces or articles from metallic powder
- B22F10/30—Process control
- B22F10/36—Process control of energy beam parameters
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F10/00—Additive manufacturing of workpieces or articles from metallic powder
- B22F10/20—Direct sintering or melting
- B22F10/25—Direct deposition of metal particles, e.g. direct metal deposition [DMD] or laser engineered net shaping [LENS]
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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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- 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
- B33Y70/00—Materials specially adapted for additive manufacturing
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
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- Automation & Control Theory (AREA)
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Abstract
The present invention relates to a kind of quick forming methods of bionical clam shell feature titanium matrix composite, and mainly using titanium silk and boronising titanium silk as raw material, using double wire feeders, boronising titanium silk and titanium silk are passed through electron beam fuse deposition technique alternating deposit.The present invention provides a kind of quick forming method of bionical clam shell feature titanium matrix composite, can get the titanium matrix composite for mixing the imitative clam shell feature formed with layer structure by reticular structure, and have higher obdurability.And the technique strong applicability, technological process is short, widens the preparation and application range of titanium matrix composite significantly.
Description
Technical field
The present invention relates to field of metal matrix composite, and in particular to a kind of bionical clam shell feature titanium matrix composite it is fast
Fast manufacturing process.
Background technology
Titanium matrix composite (TMCs) not only has compared with characteristics such as high specific strength, low-density, but also adding due to reinforced phase
Enter, possess higher elasticity modulus, rigidity and the characteristics such as excellent wearability and high temperature creep-resisting, it is advanced to have become a new generation
The crucial candidate material of aerospace equipment.However, high brittleness reinforced phase also results in toughness of material serious deterioration, or even meeting simultaneously
Great brittleness at room temperature is shown, harsh Service Environment cannot be met and require and become the bottleneck for restricting its development.Research shows that
Shell not only with high intensity also with preferable toughness, mainly with its internal stratiform, protrusion and the microstructures such as netted
The synergistic effect of correlation, these micro-structures makes composite material be unlikely to deform and be broken, and achievees the purpose that improve Fracture of Material.
China Patent No. ZL201210138430 discloses the special of the preparation method of entitled stratiform titanium matrix composite
Profit is prepared using hot pressing sintering method and replaces the shelly texture formed with pure ti layers by reticular structure Ti-TiB composite layers
Composite material, improve titanium matrix composite plasticity, the elongation percentage of material is 16%~18%.China Patent No.
ZL201310498988 discloses the patent that entitled Diffusion Welding prepares the method for Ti-TiBw/Ti laminar composites, adopts
The titanium matrix composite of similar structures is prepared with Diffusion Welding method, the fracture toughness of test result display material obtains larger carry
It is high.(Han YF, Duan H, Lu W, the et al.Fabrication and characterization of such as Han Yuanfei
laminated Ti-(TiB+La2O3)/Ti composite[J].Progress in Natural Science:Materials
International,2015,25(5):453-459.) using pure Ti powder and LaB6 powder as raw material, powder metallurgic method and heat are utilized
Rolling, in-situ authigenic is at (TiB+La2O3)/Ti-Ti laminar composites, the titanium-based of the more same reinforcement of elongation percentage and content
Composite material has been increased to 30%.However it is to be noted that the imitative clam shell feature formed is mixed with layer structure by reticular structure
Close Coating combination, hot pressing sintering method is needed to there is process limitation to a certain extent with diffusion connection method.
Invention content
The purpose of the present invention is being directed to these problems existing in the prior art, it is multiple to provide a kind of bionical clam shell feature titanium-based
The quick forming method of condensation material, the available titanium-based for mixing the imitative clam shell feature formed with layer structure by reticular structure are compound
Material, and there is higher obdurability, in order to achieve the above objectives, technical solution provided by the invention is：
A kind of quick forming method of bionical clam shell feature titanium matrix composite, includes the following steps：
1) silk is filled：It is raw material to select titanium silk and boronising titanium silk, respectively by titanium silk and boronising titanium silk loading electron beam fuse at
In the wire feeder of shape equipment.
2) to silk：Wire feeder is adjusted first, it is ensured that titanium silk intersects with boronising titanium silk；Then electron beam is deflected so that electricity
Beamlet beam spot is overlapped with silk material intersection point, ensures that silk material is accurately sent into molten bath.
3) fast deposition：By computer programming, by boronising titanium silk and titanium silk according to scheduled path alternating deposit, until
Deposit bionical clam shell feature titanium matrix composite.
The titanium silk is the titanium alloys such as pure titanium, TC4.
0.5~1wt.% of boron content inside the boronising titanium silk.
Titanium silk depositing operation, specific process parameter are in step 3)：Fuse 12~16mA of electric current, voltage 60kV, speed of advancing
200mm/min, wire feed rate 2r/min are spent, vacuum degree is better than 5 × 10-2Pa。
Boronising titanium silk depositing operation, specific process parameter are in step 3)：Fuse 15~20mA of electric current, voltage 60kV, row
Into speed 200mm/min, wire feed rate 2r/min, vacuum degree is better than 5 × 10-2Pa。
Preparation method provided by the present invention, 1) it is controlled by B content and thermal output, ensure that boronising titanium silk is solidified in deposition
In the process, β phases forming core, which grows up to have B atoms, pushes effect so that B is enriched near β phases/liquid interface inhibits β crystal grain long
Greatly；Constitutional supercooling is generated simultaneously, and TiB forming cores, intercrystalline precipitation is promoted reticular structure to be formed, to obtain reticular structure titanium-based
Composite material sedimentary；2) pass through electron-beam melting so that pure titanium is deposited on reticular structure titanium matrix composite sedimentary, can shape
At sandwich structure, i.e., bionical clam shell feature, and Coating combination is close.
The present invention's has the prominent advantages that using increases material manufacturing technology, that is, solves asking for composite forming technology hardly possible
Topic, while electron beam may make and form fine and close metallurgical binding between sedimentary, breach existing thermal diffusion method and hot pressed sintering
The weak disadvantage of bionical clam shell feature titanium matrix composite inter-layer bonding force prepared by method.And forming process is controlled by computer,
Process controllability is strong.In addition, entire technological process is short, the preparation and application range of titanium matrix composite is widened significantly.
Description of the drawings
Fig. 1 is the Quick-forming schematic diagram of bionical clam shell feature titanium matrix composite.
Specific implementation mode
The present invention is further explained in the light of specific embodiments.
Embodiment 1
With pure titanium silk and the pure titanium silk (boron content 0.5wt.%) of boronising for raw material, titanium silk and boronising titanium silk are packed into electricity respectively
In the wire feeder of beamlet fuse former.Then wire feeder is adjusted, it is ensured that titanium silk intersects with boronising titanium silk；Then it deflects
Electron beam so that electron beam spot is overlapped with silk material intersection point, ensures that silk material is accurately sent into molten bath.Finally, by computer programming,
By boronising titanium silk and titanium silk according to scheduled path alternating deposit, until depositing bionical clam shell feature titanium matrix composite.It is pure
The specific process parameter of titanium silk electron beam fuse depositing operation is：Fuse electric current 12mA, voltage 60kV, gait of march 200mm/
Min, wire feed rate 2r/min, vacuum degree are better than 5 × 10-2Pa.The concrete technology of boronising titanium silk electron beam fuse depositing operation is joined
Number is：Fuse electric current 15mA, voltage 60kV, gait of march 200mm/min, wire feed rate 2r/min, vacuum degree is better than 5 × 10- 2Pa.Obtain the tensile strength 674MPa of the bionical clam shell feature titanium matrix composite of each thickness 0.5mm, elongation percentage 13.6%.
Embodiment 2
Difference lies in silk material it is TC4 titaniums silk and boronising titanium alloy wire (boron content between the present embodiment and embodiment 1
0.5wt.%).The specific process parameter of TC4 titanium silk electron beam fuse depositing operations is：Fuse electric current 13mA, voltage 60kV, row
Into speed 200mm/min, wire feed rate 2r/min, vacuum degree is better than 5 × 10-2Pa.Boronising titanium alloy wire electron beam fuse deposits
The specific process parameter of technique is：Fuse electric current 16mA, voltage 60kV, gait of march 200mm/min, wire feed rate 2r/min,
Vacuum degree is better than 5 × 10-2Pa.The tensile strength 933MPa of the bionical clam shell feature titanium matrix composite of each thickness 0.5mm is obtained,
Elongation percentage 11.3%.
Embodiment 3
Difference lies in silk material it is TC4 titaniums silk and boronising titanium alloy wire (boron content between the present embodiment and embodiment 1
0.8wt.%).The specific process parameter of TC4 titanium silk electron beam fuse depositing operations is：Fuse electric current 14mA, voltage 60kV, row
Into speed 200mm/min, wire feed rate 2r/min, vacuum degree is better than 5 × 10-2Pa.Boronising titanium alloy wire electron beam fuse deposits
The specific process parameter of technique is：Fuse electric current 18mA, voltage 60kV, gait of march 200mm/min, wire feed rate 2r/min,
Vacuum degree is better than 5 × 10-2Pa.The tensile strength 941MPa of the bionical clam shell feature titanium matrix composite of each thickness 0.5mm is obtained,
Elongation percentage 10.1%.
Embodiment 4
Difference lies in silk material it is TC4 titaniums silk and boronising titanium alloy wire (boron content between the present embodiment and embodiment 1
1wt.%).The specific process parameter of TC4 titanium silk electron beam fuse depositing operations is：Fuse electric current 16mA, voltage 60kV advance
Speed 200mm/min, wire feed rate 2r/min, vacuum degree are better than 5 × 10-2Pa.Boronising titanium alloy wire electron beam fuse deposits work
The specific process parameter of skill is：Fuse electric current 20mA, voltage 60kV, gait of march 200mm/min, wire feed rate 2r/min, very
Reciprocal of duty cycle is better than 5 × 10-2Pa.The tensile strength 953MPa of the bionical clam shell feature titanium matrix composite of each thickness 1mm is obtained, is extended
Rate 9.2%.
The above is only presently preferred embodiments of the present invention, is not intended to limit the present invention in any form, any ripe
Professional and technical personnel is known, without departing from the scope of the present invention, according to the technical essence of the invention, to above real
Apply any simple modification, equivalent replacement and improvement etc. made by example, still fall within technical solution of the present invention protection domain it
It is interior.
Claims (5)
1. a kind of quick forming method of bionical clam shell feature titanium matrix composite, it is characterised in that：Include the following steps：
1) silk is filled：It is raw material to select titanium silk and boronising titanium silk, and titanium silk is packed into the forming of electron beam fuse with boronising titanium silk respectively sets
In standby wire feeder.
2) to silk：Wire feeder is adjusted first, it is ensured that titanium silk intersects with boronising titanium silk；Then electron beam is deflected so that electron beam
Beam spot is overlapped with silk material intersection point, ensures that silk material is accurately sent into molten bath.
3) fast deposition：By computer programming, by boronising titanium silk and titanium silk according to scheduled path alternating deposit, until deposition
Go out bionical clam shell feature titanium matrix composite.
2. the quick forming method of bionical clam shell feature titanium matrix composite as described in claim 1, it is characterised in that：It is described
Titanium silk be pure titanium or TC4 titanium alloys.
3. the quick forming method of bionical clam shell feature titanium matrix composite as described in claim 1, it is characterised in that：It is described
Boronising titanium silk inside 0.5~1wt.% of boron content.
4. the quick forming method of bionical clam shell feature titanium matrix composite as described in claim 1, it is characterised in that：Step
3) titanium silk depositing operation, specific process parameter are in：Fuse 12~16mA of electric current, voltage 60kV, gait of march 200mm/min,
Wire feed rate 2r/min, vacuum degree are better than 5 × 10-2Pa。
5. the quick forming method of bionical clam shell feature titanium matrix composite as described in claim 1, it is characterised in that：Step
3) boronising titanium silk depositing operation, specific process parameter are in：Fuse 15~20mA of electric current, voltage 60kV, gait of march 200mm/
Min, wire feed rate 2r/min, vacuum degree are better than 5 × 10-2Pa。
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| CN201810289146.0A CN108500263B (en) | 2018-03-30 | 2018-03-30 | Rapid forming method of bionic shell structure titanium-based composite material |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111112609A (en) * | 2019-12-20 | 2020-05-08 | 西安交通大学 | Micro-scale RE2O3Titanium alloy wire filling additive manufacturing method for particle multistage refining microstructure |
| CN111926203A (en) * | 2020-09-21 | 2020-11-13 | 陕西斯瑞新材料股份有限公司 | Method for preparing pure copper and Cu-Cr-Zr alloy with laminated structure by using SLM laser printing technology |
| CN111992719A (en) * | 2020-11-02 | 2020-11-27 | 西安欧中材料科技有限公司 | Efficient additive manufacturing system and preparation method for steel-titanium composite material fuse wire |
| CN113084162A (en) * | 2020-01-08 | 2021-07-09 | 南京农业大学 | Preparation method of metal/nonmetal complex-level pearl layer bionic structure |
| CN113084164A (en) * | 2020-01-08 | 2021-07-09 | 南京农业大学 | Preparation method of metal complex-level pearl layer bionic structure |
| CN113618082A (en) * | 2021-07-16 | 2021-11-09 | 南京理工大学 | Shell-structure-imitated high-pressure-resistance titanium alloy component and vacuum high-energy beam additive manufacturing method |
| CN114131040A (en) * | 2021-08-22 | 2022-03-04 | 南京理工大学 | Additive manufacturing method for small-proportion soft material additive forming component |
| CN115533120A (en) * | 2022-10-17 | 2022-12-30 | 南京联空智能增材研究院有限公司 | Material increasing method for titanium alloy double-beam electron beam double-wire with bionic structure |
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| CN112453833B (en) * | 2020-11-17 | 2021-08-27 | 南京工程学院 | Preparation method of high-toughness metal material with shell brick mud imitation structure |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111112609A (en) * | 2019-12-20 | 2020-05-08 | 西安交通大学 | Micro-scale RE2O3Titanium alloy wire filling additive manufacturing method for particle multistage refining microstructure |
| CN113084162A (en) * | 2020-01-08 | 2021-07-09 | 南京农业大学 | Preparation method of metal/nonmetal complex-level pearl layer bionic structure |
| CN113084164A (en) * | 2020-01-08 | 2021-07-09 | 南京农业大学 | Preparation method of metal complex-level pearl layer bionic structure |
| CN111926203A (en) * | 2020-09-21 | 2020-11-13 | 陕西斯瑞新材料股份有限公司 | Method for preparing pure copper and Cu-Cr-Zr alloy with laminated structure by using SLM laser printing technology |
| CN111992719A (en) * | 2020-11-02 | 2020-11-27 | 西安欧中材料科技有限公司 | Efficient additive manufacturing system and preparation method for steel-titanium composite material fuse wire |
| CN111992719B (en) * | 2020-11-02 | 2021-02-23 | 西安欧中材料科技有限公司 | Efficient additive manufacturing system and preparation method for steel-titanium composite material fuse wire |
| CN113618082A (en) * | 2021-07-16 | 2021-11-09 | 南京理工大学 | Shell-structure-imitated high-pressure-resistance titanium alloy component and vacuum high-energy beam additive manufacturing method |
| CN114131040A (en) * | 2021-08-22 | 2022-03-04 | 南京理工大学 | Additive manufacturing method for small-proportion soft material additive forming component |
| CN115533120A (en) * | 2022-10-17 | 2022-12-30 | 南京联空智能增材研究院有限公司 | Material increasing method for titanium alloy double-beam electron beam double-wire with bionic structure |
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