CN107900335A - A kind of laser 3D printing method of high-entropy alloy - Google Patents
A kind of laser 3D printing method of high-entropy alloy Download PDFInfo
- Publication number
- CN107900335A CN107900335A CN201711168595.1A CN201711168595A CN107900335A CN 107900335 A CN107900335 A CN 107900335A CN 201711168595 A CN201711168595 A CN 201711168595A CN 107900335 A CN107900335 A CN 107900335A
- Authority
- CN
- China
- Prior art keywords
- entropy alloy
- laser
- printing method
- printing
- alloy component
- 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.)
- Pending
Links
Classifications
-
- 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
-
- 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
- B22F10/60—Treatment of workpieces or articles after build-up
- B22F10/64—Treatment of workpieces or articles after build-up by thermal means
-
- 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
- B22F10/28—Powder bed fusion, e.g. selective laser melting [SLM] or electron beam melting [EBM]
-
- 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
- B22F10/32—Process control of the atmosphere, e.g. composition or pressure in a building chamber
-
- 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
-
- 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
- B22F10/366—Scanning parameters, e.g. hatch distance or scanning strategy
-
- 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
- B22F10/38—Process control to achieve specific product aspects, e.g. surface smoothness, density, porosity or hollow structures
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C30/00—Alloys containing less than 50% by weight of each constituent
-
- 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
- B22F2998/00—Supplementary information concerning processes or compositions relating to powder metallurgy
- B22F2998/10—Processes characterised by the sequence of their steps
-
- 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
- B22F2999/00—Aspects linked to processes or compositions used in powder metallurgy
-
- 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
Abstract
The invention discloses a kind of laser 3D printing method of high-entropy alloy, by the high-entropy alloy powder that particle diameter is 20~150 μm, in 200~2000W of laser power, 500~1200mm/min of sweep speed, 0.5~4mm of laser spot diameter, overlapping rate are 15~50%, print 0.5~2mm of thickness, printing environment oxygen concentration is less than 50ppm, and under the conditions of the technological parameter for the laser 3D printing that 0~300 DEG C of basal plate preheating temperature, high-entropy alloy component is successively molded using laser 3D printing method；Then, obtained high-entropy alloy component is annealed at 300~1000 DEG C of inert gas shielding and temperature, 2~12h of time, then furnace cooling, completes the manufacture of high-entropy alloy component.By the present invention in that be molded high-entropy alloy component with laser 3D printing method, overcome casting shaping high-entropy alloy component efficiency is low, size is smaller and the shortcomings that simple shape, high-entropy alloy component with complex shape can be molded efficiently at low cost.
Description
Technical field
The present invention relates to high-entropy alloy forming technique field, more particularly, to a kind of laser 3D printing of high-entropy alloy
Method.
Background technology
High-entropy alloy is alloy material emerging recently, and it is one kind or two that it, which has broken main component in conventional alloys,
The alloy design concept of kind.High-entropy alloy is made of at least more than five kinds of essential element, and every kind of Elements Atom percentage
Than no more than 35%.Alloy pivot increases the high entropic effect of generation, crystal is easily formed simple body-centered or simple face-centered cubic
Structure, and may be with intergranular compound and nanocrystalline, so as to reach solution strengthening, precipitation strength and dispersion-strengthened effect.
It can make high-entropy alloy that there is the advantage of bigger in performance than conventional alloys by alloying component optimization design, for example, it is high hard
Degree, high intensity, high temperature oxidation resisting, corrosion-resistant etc..
Existing casting shaping high-entropy alloy component efficiency is low, size is smaller and simple shape.
The content of the invention
It is an object of the invention to overcome drawbacks described above existing in the prior art, there is provided a kind of laser 3D of high-entropy alloy is beaten
Impression method, cocoa mold high-entropy alloy component with complex shape efficiently at low cost.
To achieve the above object, technical scheme is as follows：
A kind of laser 3D printing method of high-entropy alloy, it is characterised in that by the high-entropy alloy powder that particle diameter is 20~150 μm
End, is in 200~2000W of laser power, 500~1200mm/min of sweep speed, 0.5~4mm of laser spot diameter, overlapping rate
15~50%, 0.5~2mm of thickness is printed, printing environment oxygen concentration is less than 50ppm, the laser that 0~300 DEG C of basal plate preheating temperature
Under the conditions of the technological parameter of 3D printing, high-entropy alloy component is successively molded using laser 3D printing method；Then, the height that will be obtained
Entropy alloy components are annealed at 300~1000 DEG C of inert gas shielding and temperature, 2~12h of time, then furnace cooling, are completed
The manufacture of high-entropy alloy component.
Further, the high-entropy alloy is made of Cr, Mn, Fe, Co, Ni, Al and Ti, wherein the quality hundred of each element
Point ratio is：Cr：18~20%, Mn：19~21%, Fe：19~21%, Co：20~22%, Ni：20~22%, Al：0~2%,
Ti：0~2%.The technological parameter of its laser 3D printing is：Laser power 1000W, sweep speed 600mm/min, laser facula are straight
Footpath 4mm, overlapping rate 30% print thickness 1mm, and printing environment oxygen concentration is less than 50ppm, 25 DEG C of basal plate preheating temperature.It is moved back
Fiery condition is：Annealing temperature is 600 DEG C, time 2h.
It can be seen from the above technical proposal that by the present invention in that with laser 3D printing method be molded high-entropy alloy component,
Overcome casting shaping high-entropy alloy component efficiency be low, size is smaller and the shortcomings that simple shape, can efficiently at low cost into
Type goes out high-entropy alloy component with complex shape.
Brief description of the drawings
Fig. 1 is the structure diagram of laser 3D printing device used in the present invention；
Fig. 2 is the macro morphology figure of the high-entropy alloy component manufactured in the specific embodiment of the present invention；
Fig. 3 is the room temperature tensile force diagram figure of the high-entropy alloy component shown in Fig. 2.
Embodiment
Below in conjunction with the accompanying drawings, the embodiment of the present invention is described in further detail.
It should be noted that in following embodiments, when embodiments of the present invention are described in detail, in order to clear
Ground represents the structure of the present invention in order to illustrate, special not draw to the structure in attached drawing according to general proportion, and has carried out part
Amplification, deformation and simplified processing, therefore, should avoid in this, as limitation of the invention to understand.
Laser 3D printing technology, also known as laser gain material manufacturing technology, are using high-performance metal powder as raw material, pass through laser
Fusing, quick solidification, successively accumulate, by part " 3D solid " model carry out after layer upon layer directly " printing " going out full densification,
High performance miniature, accurate, complicated hardware.Compared with the mechanical manufacturing technologies such as traditional cutting, laser 3D printing skill
Art has many advantages such as selection range is wide, the high and low cost of stock utilization, precision are high, the cycle is short, be known as both at home and abroad be
Development to high-performance metal key member is with producing one of core key manufacturing technology with decisive influence.It is realized
Material preparation is integrated with complex parts " near-net-shape " manufacture, is prepared without part blank, is processed without mould, directly from meter
The part C AD physical models " growth " of calculation machine generation go out net shape metal parts product.Therefore, can be high using laser 3D printing technology
Effect, mold high-entropy alloy component with complex shape at low cost.
Fig. 1 is the structure diagram of laser 3D printing device used in the present invention.In figure：1st, vacuum glove box, 2, swash
Light cladding head, 3, laser beam, 4, high-entropy alloy powder, 5, high-entropy alloy component, 6, substrate, 7, heat conductive silica gel, 8, conducting copper plate,
9th, heating liquid pipe, 10, workbench, 11, laser, 12, optical fiber, 13, powder feeder, 14, powder feeding bucket, 15, powder feeding pipe.
In the present embodiment, high-entropy alloy powder component is made of Cr, Mn, Fe, Co, Ni, wherein the quality percentage of each element
Than for：Cr：18%, Mn：20%, Fe：20%, Co：21%, Ni：21%.
By the high-entropy alloy powder that the particle diameter of mentioned component is 20~150 μm, the powder feeding of laser 3D printing device is placed into
In the powder feeding bucket 14 of device 13.
The thickness of substrate 6 is 20mm, and material is No. 45 steel.
8 internal switching temperature of conducting copper plate circulates water for room temperature, temperature is passed to heat conductive silica gel 7, so that in advance
Hot substrate 6.
Three-dimensional entity model is built using computer, sets along Z-direction and generates per layer thickness the stratified model for being 1mm and each
Layer scanning pattern program.
The technological parameter of laser 3D printing：Laser power 1000W, sweep speed 600mm/min, laser spot diameter 4mm,
Overlapping rate 30%, printing environment oxygen concentration are less than 50ppm.
Start print routine, laser beam is completed first layer sectional view according to preset scanning pattern and printed, laser printing
Head rises 1mm, starts the printing of second layer sectional view, and above process circulation carries out, and finally obtains high-entropy alloy component 5.
Obtained high-entropy alloy component 5 is moved on in heating furnace, there is N in stove2Gas shield, 600 DEG C of temperature, annealing
Time 2h, cools to room temperature with the furnace, is finally completed the preparation of high-entropy alloy component 5.
The macro morphology figure for the high-entropy alloy component that Fig. 2 is.Thus figure is as it can be seen that high-entropy alloy component 5 is no obvious
Crackle the defects of.
The room temperature tensile force diagram of the high-entropy alloy component 5 is as shown in Figure 3, it is seen then that 5 mechanical property of high-entropy alloy component
Adaptation, has higher intensity, while have preferable stretching plastic concurrently.
The foregoing is only a preferred embodiment of the present invention, but protection scope of the present invention be not limited thereto,
Any one skilled in the art the invention discloses technical scope in, technique according to the invention scheme and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (4)
1. a kind of laser 3D printing method of high-entropy alloy, it is characterised in that by the high-entropy alloy powder that particle diameter is 20~150 μm
End, is in 200~2000W of laser power, 500~1200mm/min of sweep speed, 0.5~4mm of laser spot diameter, overlapping rate
15~50%, 0.5~2mm of thickness is printed, printing environment oxygen concentration is less than 50ppm, the laser that 0~300 DEG C of basal plate preheating temperature
Under the conditions of the technological parameter of 3D printing, high-entropy alloy component is successively molded using laser 3D printing method；Then, the height that will be obtained
Entropy alloy components are annealed at 300~1000 DEG C of inert gas shielding and temperature, 2~12h of time, then furnace cooling, are completed
The manufacture of high-entropy alloy component.
A kind of 2. laser 3D printing method of high-entropy alloy according to claim 1, it is characterised in that the high-entropy alloy
It is made of Cr, Mn, Fe, Co, Ni, Al and Ti, the mass percent of wherein each element is：Cr：18~20%, Mn：19~
21%, Fe：19~21%, Co：20~22%, Ni：20~22%, Al：0~2%, Ti：0~2%.
3. the laser 3D printing method of a kind of high-entropy alloy according to claim 2, it is characterised in that the laser 3D is beaten
The technological parameter of print is：Laser power 1000W, sweep speed 600mm/min, laser spot diameter 4mm, overlapping rate 30%,
Thickness 1mm is printed, printing environment oxygen concentration is less than 50ppm, 25 DEG C of basal plate preheating temperature.
A kind of 4. laser 3D printing method of high-entropy alloy according to claim 2, it is characterised in that the annealing conditions
For：Annealing temperature is 600 DEG C, time 2h.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711168595.1A CN107900335A (en) | 2017-11-21 | 2017-11-21 | A kind of laser 3D printing method of high-entropy alloy |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711168595.1A CN107900335A (en) | 2017-11-21 | 2017-11-21 | A kind of laser 3D printing method of high-entropy alloy |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107900335A true CN107900335A (en) | 2018-04-13 |
Family
ID=61846872
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711168595.1A Pending CN107900335A (en) | 2017-11-21 | 2017-11-21 | A kind of laser 3D printing method of high-entropy alloy |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107900335A (en) |
Cited By (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108941581A (en) * | 2018-08-06 | 2018-12-07 | 天津大学 | In-situ preparation method for laser additive manufacturing high-entropy alloy and product |
| CN109175380A (en) * | 2018-09-29 | 2019-01-11 | 甘肃顺域新材料科技有限公司 | A kind of laser gain material manufacturing method of wear-resistant high-entropy alloy gear |
| CN109550957A (en) * | 2019-01-11 | 2019-04-02 | 中南大学 | A method of powder metallurgy, which is prepared, with 3D printing stretches eutectic high-entropy alloy |
| CN109972019A (en) * | 2019-04-30 | 2019-07-05 | 上海交通大学 | A kind of medium entropy alloy material and application method for increasing material manufacturing |
| CN110791693A (en) * | 2019-11-20 | 2020-02-14 | 安徽工业大学 | High-entropy alloy with low Al content, high strength and toughness and acid corrosion resistance and preparation method thereof |
| CN111151753A (en) * | 2020-01-16 | 2020-05-15 | 中南大学 | Method for manufacturing shear deformation type phase change crack resistance by laser additive manufacturing |
| CN111331136A (en) * | 2020-02-10 | 2020-06-26 | 中国科学院金属研究所 | Powder feeding laser 3D printing method for metal thin-wall parts with uniform performance |
| CN111636025A (en) * | 2020-04-28 | 2020-09-08 | 苏州鑫旭合智能科技有限公司 | High-entropy alloy containing Ti and C and preparation method thereof |
| WO2020211697A1 (en) * | 2019-04-18 | 2020-10-22 | City University Of Hong Kong | 'high-entropy lattice' achieved by 3d printing |
| CN112157261A (en) * | 2020-09-30 | 2021-01-01 | 中国工程物理研究院材料研究所 | Preparation method and application of high-entropy alloy part with laser melting deposition reaction structure |
| CN112222413A (en) * | 2020-10-15 | 2021-01-15 | 温州大学 | Cold rolling composite laser additive manufacturing process method of gradient structure high-entropy alloy |
| CN112404454A (en) * | 2020-10-28 | 2021-02-26 | 西北工业大学 | Laser additive manufacturing method of NiTi alloy with large recoverable strain |
| CN113046617A (en) * | 2019-12-27 | 2021-06-29 | 天津大学 | Preparation method of high-performance FeCoCrNi alloy |
| CN113528989A (en) * | 2021-05-24 | 2021-10-22 | 北京工业大学 | Method for improving high-temperature oxidation resistance of Cantor alloy, obtained product and application |
| CN113523281A (en) * | 2020-04-22 | 2021-10-22 | 天津大学 | Preparation method of high-performance fine-grain FeCoCrNi alloy |
| CN114807719A (en) * | 2022-05-27 | 2022-07-29 | 北京理工大学 | Laser melting deposition method for realizing AlxCoFeNi high-entropy alloy grain refinement |
| CN115351296A (en) * | 2022-09-06 | 2022-11-18 | 上海联泰科技股份有限公司 | Method for manufacturing high-entropy alloy reinforced copper-based composite material, product and application |
| CN115537629A (en) * | 2022-09-22 | 2022-12-30 | 北京科技大学 | Acid corrosion resistant additive manufacturing high-entropy alloy and preparation method thereof |
| US11679549B2 (en) | 2020-02-18 | 2023-06-20 | Airbus (Beijing) Engineering Centre Company Limited | Additive manufacturing apparatus with controller varying the beam shift of a laser based on slice model parameters of build object |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102007006478B4 (en) * | 2007-02-09 | 2011-06-30 | Universität Stuttgart, 70174 | Apparatus and method for supplying sinterable powder to an application site of a laser sintering device |
| CN104308153A (en) * | 2014-10-27 | 2015-01-28 | 西安交通大学 | High-entropy alloy hot-end part manufacturing method of turbine engine on basis of selective laser melting |
| CN104841930A (en) * | 2015-06-05 | 2015-08-19 | 哈尔滨工程大学 | High-entropy alloy powder for 3D (three-dimensional) printing and method for preparing high-entropy alloy coating by using high-entropy alloy powder |
| CN106978577A (en) * | 2017-04-10 | 2017-07-25 | 大连交通大学 | A kind of laser 3D printing method of amorphous alloy composite material |
| CN107130124A (en) * | 2017-04-21 | 2017-09-05 | 北京科技大学 | A kind of method that increases material manufacturing technology shapes high-entropy alloy |
-
2017
- 2017-11-21 CN CN201711168595.1A patent/CN107900335A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102007006478B4 (en) * | 2007-02-09 | 2011-06-30 | Universität Stuttgart, 70174 | Apparatus and method for supplying sinterable powder to an application site of a laser sintering device |
| CN104308153A (en) * | 2014-10-27 | 2015-01-28 | 西安交通大学 | High-entropy alloy hot-end part manufacturing method of turbine engine on basis of selective laser melting |
| CN104841930A (en) * | 2015-06-05 | 2015-08-19 | 哈尔滨工程大学 | High-entropy alloy powder for 3D (three-dimensional) printing and method for preparing high-entropy alloy coating by using high-entropy alloy powder |
| CN106978577A (en) * | 2017-04-10 | 2017-07-25 | 大连交通大学 | A kind of laser 3D printing method of amorphous alloy composite material |
| CN107130124A (en) * | 2017-04-21 | 2017-09-05 | 北京科技大学 | A kind of method that increases material manufacturing technology shapes high-entropy alloy |
Cited By (25)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108941581A (en) * | 2018-08-06 | 2018-12-07 | 天津大学 | In-situ preparation method for laser additive manufacturing high-entropy alloy and product |
| CN108941581B (en) * | 2018-08-06 | 2021-07-30 | 天津大学 | In-situ preparation method for laser additive manufacturing high-entropy alloy and product |
| CN109175380A (en) * | 2018-09-29 | 2019-01-11 | 甘肃顺域新材料科技有限公司 | A kind of laser gain material manufacturing method of wear-resistant high-entropy alloy gear |
| CN109550957B (en) * | 2019-01-11 | 2020-01-21 | 中南大学 | Method for preparing powder metallurgy stretching eutectic high-entropy alloy by 3D printing |
| CN109550957A (en) * | 2019-01-11 | 2019-04-02 | 中南大学 | A method of powder metallurgy, which is prepared, with 3D printing stretches eutectic high-entropy alloy |
| WO2020211697A1 (en) * | 2019-04-18 | 2020-10-22 | City University Of Hong Kong | 'high-entropy lattice' achieved by 3d printing |
| CN109972019B (en) * | 2019-04-30 | 2021-10-22 | 上海交通大学 | Medium-entropy alloy material for additive manufacturing and application method |
| CN109972019A (en) * | 2019-04-30 | 2019-07-05 | 上海交通大学 | A kind of medium entropy alloy material and application method for increasing material manufacturing |
| CN110791693B (en) * | 2019-11-20 | 2021-05-07 | 安徽工业大学 | High-entropy alloy with low Al content, high strength and toughness and acid corrosion resistance and preparation method thereof |
| CN110791693A (en) * | 2019-11-20 | 2020-02-14 | 安徽工业大学 | High-entropy alloy with low Al content, high strength and toughness and acid corrosion resistance and preparation method thereof |
| CN113046617A (en) * | 2019-12-27 | 2021-06-29 | 天津大学 | Preparation method of high-performance FeCoCrNi alloy |
| CN111151753A (en) * | 2020-01-16 | 2020-05-15 | 中南大学 | Method for manufacturing shear deformation type phase change crack resistance by laser additive manufacturing |
| CN111151753B (en) * | 2020-01-16 | 2020-11-03 | 中南大学 | Method for manufacturing shear deformation type phase change crack resistance by laser additive manufacturing |
| CN111331136A (en) * | 2020-02-10 | 2020-06-26 | 中国科学院金属研究所 | Powder feeding laser 3D printing method for metal thin-wall parts with uniform performance |
| US11679549B2 (en) | 2020-02-18 | 2023-06-20 | Airbus (Beijing) Engineering Centre Company Limited | Additive manufacturing apparatus with controller varying the beam shift of a laser based on slice model parameters of build object |
| CN113523281A (en) * | 2020-04-22 | 2021-10-22 | 天津大学 | Preparation method of high-performance fine-grain FeCoCrNi alloy |
| CN111636025A (en) * | 2020-04-28 | 2020-09-08 | 苏州鑫旭合智能科技有限公司 | High-entropy alloy containing Ti and C and preparation method thereof |
| CN112157261A (en) * | 2020-09-30 | 2021-01-01 | 中国工程物理研究院材料研究所 | Preparation method and application of high-entropy alloy part with laser melting deposition reaction structure |
| CN112222413A (en) * | 2020-10-15 | 2021-01-15 | 温州大学 | Cold rolling composite laser additive manufacturing process method of gradient structure high-entropy alloy |
| CN112222413B (en) * | 2020-10-15 | 2022-05-31 | 温州大学 | Cold rolling composite laser additive manufacturing process method of gradient structure high-entropy alloy |
| CN112404454A (en) * | 2020-10-28 | 2021-02-26 | 西北工业大学 | Laser additive manufacturing method of NiTi alloy with large recoverable strain |
| CN113528989A (en) * | 2021-05-24 | 2021-10-22 | 北京工业大学 | Method for improving high-temperature oxidation resistance of Cantor alloy, obtained product and application |
| CN114807719A (en) * | 2022-05-27 | 2022-07-29 | 北京理工大学 | Laser melting deposition method for realizing AlxCoFeNi high-entropy alloy grain refinement |
| CN115351296A (en) * | 2022-09-06 | 2022-11-18 | 上海联泰科技股份有限公司 | Method for manufacturing high-entropy alloy reinforced copper-based composite material, product and application |
| CN115537629A (en) * | 2022-09-22 | 2022-12-30 | 北京科技大学 | Acid corrosion resistant additive manufacturing high-entropy alloy and preparation method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107900335A (en) | A kind of laser 3D printing method of high-entropy alloy | |
| CN107747019B (en) | A kind of high entropy high temperature alloy of Ni-Co-Cr-Al-W-Ta-Mo system and preparation method thereof | |
| CN106978577B (en) | A kind of laser 3D printing method of amorphous alloy composite material | |
| CN108213422A (en) | A kind of preparation method of carbon containing high-entropy alloy composite material | |
| CN108555296A (en) | A kind of increasing material manufacturing method of K465 alloy powders | |
| CN106001569B (en) | A kind of curved shell Rotating fields metal increases material preparation method | |
| CN104015009B (en) | A kind of mobile phone center, the preparation method of bonnet | |
| CN109550954A (en) | A kind of selective laser fusing manufacturing process of hot die steel | |
| CN104368814A (en) | Method for directly molding high-entropy alloy turbine engine hot end component through laser metal | |
| CN103773982B (en) | Counter weight block alloy of golf head and manufacturing method thereof | |
| CN103949639A (en) | Method for preparing Nb-Si based superhigh-temperature alloy by SLM (selective laser melting) technology | |
| CN111979466B (en) | Shape memory alloy and laser 3D printing method thereof | |
| CN102941343A (en) | Quick manufacturing method of titanium-aluminum alloy composite part | |
| CN106636977A (en) | Heat-treatment-free pre-hardening plastic mold steel and 3D printing method thereof | |
| CN107900336A (en) | A kind of method of laser 3D printing Fe base non-crystalline alloy compound material components | |
| CN109014230A (en) | A kind of preparation method of molybdenum grid | |
| CN106282850A (en) | Zirconium-base amorphous alloy and preparation method thereof | |
| CN102773479A (en) | Near-net-shape forming method of refractory metal part | |
| CN109047760A (en) | The method of forge piece surface growth labyrinth based on powder melting increasing material manufacturing | |
| CN108339984A (en) | The method of forge piece surface growth labyrinth based on silk material 3D printing | |
| CN112872364A (en) | Method and device for 3D printing of gamma-TiAl alloy in static magnetic field | |
| CN107584121A (en) | A kind of laser 3D printing method and device using multiple element powder compacting alloy | |
| CN109648091A (en) | A kind of method that copper-based shape memory alloy is prepared in situ in increasing material manufacturing | |
| CN109722560A (en) | A kind of ZrC Reinforced Cu-Fe based composites and preparation method thereof | |
| CN107234196A (en) | The atomic ratio Ti-Ni alloy large-sized casting ingot forging method such as one kind |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180413 |
|
| RJ01 | Rejection of invention patent application after publication |