CN116590620A - Alloy for repairing laser cladding die and preparation method thereof - Google Patents
Alloy for repairing laser cladding die and preparation method thereof Download PDFInfo
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- CN116590620A CN116590620A CN202310633730.4A CN202310633730A CN116590620A CN 116590620 A CN116590620 A CN 116590620A CN 202310633730 A CN202310633730 A CN 202310633730A CN 116590620 A CN116590620 A CN 116590620A
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- 239000000956 alloy Substances 0.000 title claims abstract description 80
- 229910045601 alloy Inorganic materials 0.000 title claims abstract description 78
- 238000002360 preparation method Methods 0.000 title claims abstract description 28
- 238000004372 laser cladding Methods 0.000 title abstract description 7
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims abstract description 56
- 238000010146 3D printing Methods 0.000 claims abstract description 55
- 239000004697 Polyetherimide Substances 0.000 claims abstract description 32
- 229920001601 polyetherimide Polymers 0.000 claims abstract description 32
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims abstract description 28
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 claims abstract description 28
- 229910052804 chromium Inorganic materials 0.000 claims abstract description 28
- 239000011651 chromium Substances 0.000 claims abstract description 28
- 229910017052 cobalt Inorganic materials 0.000 claims abstract description 28
- 239000010941 cobalt Substances 0.000 claims abstract description 28
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 claims abstract description 28
- 229910052750 molybdenum Inorganic materials 0.000 claims abstract description 28
- 239000011733 molybdenum Substances 0.000 claims abstract description 28
- 229910052759 nickel Inorganic materials 0.000 claims abstract description 28
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 28
- 239000010703 silicon Substances 0.000 claims abstract description 28
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims abstract description 28
- 229910052721 tungsten Inorganic materials 0.000 claims abstract description 28
- 239000010937 tungsten Substances 0.000 claims abstract description 28
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 20
- 229910052720 vanadium Inorganic materials 0.000 claims abstract description 19
- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 claims abstract description 16
- 239000002086 nanomaterial Substances 0.000 claims abstract description 8
- 238000000034 method Methods 0.000 claims description 29
- 230000032683 aging Effects 0.000 claims description 24
- 239000007788 liquid Substances 0.000 claims description 18
- 239000000843 powder Substances 0.000 claims description 18
- 239000006104 solid solution Substances 0.000 claims description 18
- 239000002994 raw material Substances 0.000 claims description 14
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 claims description 12
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 claims description 12
- 229910052748 manganese Inorganic materials 0.000 claims description 12
- 239000011572 manganese Substances 0.000 claims description 12
- 238000010438 heat treatment Methods 0.000 claims description 11
- 238000003756 stirring Methods 0.000 claims description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 7
- 238000003723 Smelting Methods 0.000 claims description 6
- 238000007639 printing Methods 0.000 claims description 6
- 238000002156 mixing Methods 0.000 claims description 4
- BTTRMCQEPDPCPA-UHFFFAOYSA-N 4-chlorophthalic anhydride Chemical compound ClC1=CC=C2C(=O)OC(=O)C2=C1 BTTRMCQEPDPCPA-UHFFFAOYSA-N 0.000 claims description 3
- IWBOPFCKHIJFMS-UHFFFAOYSA-N ethylene glycol bis(2-aminoethyl) ether Chemical compound NCCOCCOCCN IWBOPFCKHIJFMS-UHFFFAOYSA-N 0.000 claims description 3
- 238000002844 melting Methods 0.000 claims description 3
- 230000008018 melting Effects 0.000 claims description 3
- 238000010992 reflux Methods 0.000 claims description 3
- 238000005516 engineering process Methods 0.000 abstract description 4
- 238000005336 cracking Methods 0.000 abstract description 2
- 238000001192 hot extrusion Methods 0.000 abstract description 2
- 229910052751 metal Inorganic materials 0.000 abstract description 2
- 239000002184 metal Substances 0.000 abstract description 2
- 230000002035 prolonged effect Effects 0.000 abstract description 2
- 239000000203 mixture Substances 0.000 description 6
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 4
- 239000008367 deionised water Substances 0.000 description 4
- 229910021641 deionized water Inorganic materials 0.000 description 4
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 3
- 238000001914 filtration Methods 0.000 description 3
- 238000000227 grinding Methods 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- WCUXLLCKKVVCTQ-UHFFFAOYSA-M Potassium chloride Chemical compound [Cl-].[K+] WCUXLLCKKVVCTQ-UHFFFAOYSA-M 0.000 description 2
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 2
- 229910052786 argon Inorganic materials 0.000 description 2
- 238000000498 ball milling Methods 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000010892 electric spark Methods 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 239000002244 precipitate Substances 0.000 description 2
- 238000002791 soaking Methods 0.000 description 2
- 229910016469 AlC Inorganic materials 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009713 electroplating Methods 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 239000001103 potassium chloride Substances 0.000 description 1
- 235000011164 potassium chloride Nutrition 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 230000035882 stress Effects 0.000 description 1
- 239000006228 supernatant Substances 0.000 description 1
- 238000007751 thermal spraying Methods 0.000 description 1
- 238000001291 vacuum drying Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/02—Ferrous alloys, e.g. steel alloys containing silicon
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C25/00—Profiling tools for metal extruding
- B21C25/02—Dies
- B21C25/025—Selection of materials therefor
-
- 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]
-
- 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
- B22F10/50—Treatment of workpieces or articles during build-up, e.g. treatments applied to fused layers during build-up
-
- 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
- B22F9/00—Making metallic powder or suspensions thereof
- B22F9/02—Making metallic powder or suspensions thereof using physical processes
- B22F9/06—Making metallic powder or suspensions thereof using physical processes starting from liquid material
- B22F9/08—Making metallic powder or suspensions thereof using physical processes starting from liquid material by casting, e.g. through sieves or in water, by atomising or spraying
- B22F9/082—Making metallic powder or suspensions thereof using physical processes starting from liquid material by casting, e.g. through sieves or in water, by atomising or spraying atomising using a fluid
-
- 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
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D6/00—Heat treatment of ferrous alloys
- C21D6/004—Heat treatment of ferrous alloys containing Cr and Ni
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D6/00—Heat treatment of ferrous alloys
- C21D6/005—Heat treatment of ferrous alloys containing Mn
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D6/00—Heat treatment of ferrous alloys
- C21D6/008—Heat treatment of ferrous alloys containing Si
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D6/00—Heat treatment of ferrous alloys
- C21D6/02—Hardening by precipitation
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/04—Ferrous alloys, e.g. steel alloys containing manganese
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/44—Ferrous alloys, e.g. steel alloys containing chromium with nickel with molybdenum or tungsten
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/52—Ferrous alloys, e.g. steel alloys containing chromium with nickel with cobalt
-
- 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
- B22F9/00—Making metallic powder or suspensions thereof
- B22F9/02—Making metallic powder or suspensions thereof using physical processes
- B22F9/06—Making metallic powder or suspensions thereof using physical processes starting from liquid material
- B22F9/08—Making metallic powder or suspensions thereof using physical processes starting from liquid material by casting, e.g. through sieves or in water, by atomising or spraying
- B22F9/082—Making metallic powder or suspensions thereof using physical processes starting from liquid material by casting, e.g. through sieves or in water, by atomising or spraying atomising using a fluid
- B22F2009/0848—Melting process before atomisation
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The application relates to the technical field of alloy materials, in particular to an alloy for repairing a laser cladding die and a preparation method thereof. Alloy for repairing 3D printing mold contains silicon, manganese, chromium, nickel, molybdenum, cobalt, tungsten and V 2 C or V 4 C 3 . According to the alloy for repairing the 3D printing die, disclosed by the application, the two-dimensional layered nano structure V2C or V4C3 is doped, and the hot extrusion die is repaired by adopting a laser material-increasing 3D printing technology, so that the limitation of the traditional die repair is overcome; the repaired die has high-quality and reliable metal structure repair, the service life is prolonged, and the die repair cost is reduced; the two-dimensional layered nano structure V2C or V4C3 is doped, so that the aim of making alloy components and tissues uniform can be fulfilled, hyperbranched polyetherimide is added during preparation, and the hot cracking resistance and the surface wear resistance of the die can be improved.
Description
Technical Field
The application relates to the technical field of alloy materials, in particular to an alloy for repairing a laser cladding die and a preparation method thereof.
Background
The high-performance extrusion die is influenced by the size, the complex stress effect and the alternating change of cold and hot in the service process, the working condition is complex, and the problems of wear, fatigue, small cracks, even fracture and the like cannot be avoided due to improper operation; particularly, some imported molds are scrapped due to local damage, and the molds need to be imported again, so that the production cost is greatly increased, and the added value of products is reduced. Therefore, innovation of the mold repair remanufacturing technology is important.
At present, common technologies of die repair comprise arc overlaying, brush plating, electric spark, thermal spraying, laser cladding and the like, and although the methods have certain advantages in the aspects of saving materials and improving performance, the problems that the arc welding repair of a high-performance extrusion die is easy to crack, an arc spraying semi-mechanical metallurgical bonding area is easy to crack, a laser cladding repair layer alloy composition and structure are not uniform, the working environment of electroplating brush and electric spark repair is bad, the heat input of the arc overlaying repair is overlarge, and the like still exist.
Disclosure of Invention
The application provides an alloy for repairing a 3D printing die with uneven alloy components and tissues, which is used for repairing 3D printing by laser cladding.
The technical scheme of the application is as follows:
an alloy for repairing a 3D printing die comprises the following raw materials in parts by weight:
silicon: 0.80 to 1.20 percent of manganese: 0.10 to 0.40 percent of chromium: 5.60 to 6.00, nickel: 0.2 to 0.4, molybdenum: 3.10 to 3.75, cobalt: 2.10 to 2.30, tungsten: 5.50 to 5.80, V 2 C or V 4 C 3 ：1.30～1.60。
The alloy for repairing the 3D printing die comprises the following raw materials in parts by weight:
silicon: 1.00, manganese: 0.30, chromium: 5.80, nickel: 0.3, molybdenum: 3.55, cobalt: 2.20, tungsten: 5.65, V 2 C or V 4 C 3 ：1.60。
The alloy for repairing the 3D printing die comprises V 2 C or V 4 C 3 Is a two-dimensional layered nano structure.
The preparation method of the alloy for repairing the 3D printing die,
silicon, manganese, chromium, nickel, molybdenum, cobalt, tungsten and V 2 C or V 4 C 3 Vacuum smelting, adding hyperbranched polyetherimide, and uniformly stirring to obtain alloy liquid;
and atomizing the alloy liquid to prepare powder, thus obtaining alloy powder.
The preparation method comprises the steps of adding the hyperbranched polyetherimide into the mixture, wherein the addition amount of the hyperbranched polyetherimide is silicon, manganese, chromium, nickel, molybdenum, cobalt, tungsten and V 2 C or V 4 C 3 3-5% of the total mass.
The preparation method comprises the following steps of:
mixing 1, 8-diamino-3, 6-dioxaoctane and 4-chlorophthalic anhydride according to a molar ratio of 1:2, reacting at 120 ℃, adding dimethylbenzene into a reaction system, and carrying out reflux reaction for 10 hours until dimethylbenzene/water azeotrope is completely separated out, and separating and purifying a product to obtain the hyperbranched polyetherimide.
According to the preparation method, in the 3D printing process printing and forming process of the alloy for repairing the 3D printing die, solid solution and double aging heat treatment processes are adopted, the surface structure is transformed, the temperature of the solid solution treatment is 650-700 ℃, and the time is 10-12min; the aging treatment is carried out at 300-350 ℃ for 2-3 hours.
The beneficial effects are that:
according to the alloy for repairing the 3D printing die, disclosed by the application, the two-dimensional layered nano structure V2C or V4C3 is doped, and the hot extrusion die is repaired by adopting a laser material-increasing 3D printing technology, so that the limitation of the traditional die repair is overcome;
the repaired die has high-quality and reliable metal structure repair, the service life is prolonged, and the die repair cost is reduced; the two-dimensional layered nano structure V2C or V4C3 is doped, so that the aim of making alloy components and tissues uniform can be fulfilled, hyperbranched polyetherimide is added during preparation, and the hot cracking resistance and the surface wear resistance of the die can be improved.
Detailed Description
The application will be described in detail with reference to specific examples.
An alloy for repairing a 3D printing die comprises the following raw materials in parts by weight:
silicon: 0.80 to 1.20 percent of manganese: 0.10 to 0.40 percent of chromium: 5.60 to 6.00, nickel: 0.2 to 0.4, molybdenum: 3.10 to 3.75, cobalt: 2.10 to 2.30, tungsten: 5.50 to 5.80, V 2 C or V 4 C 3 ：1.30～1.60。
The alloy for repairing the 3D printing die comprises the following raw materials in parts by weight:
silicon: 1.00, manganese: 0.30, chromium: 5.80, nickel: 0.3, molybdenum: 3.55, cobalt: 2.20, tungsten: 5.65, V 2 C or V 4 C 3 ：1.60。
The alloy for repairing the 3D printing die comprises V 2 C or V 4 C 3 Is a two-dimensional layered nano-structure MXene. MXene is a graphene-like structure obtained by MAX phase treatment, and the preparation method can be adopted as follows: v, al and C are added into a ball milling device according to the atomic ratio of 2:1.5:1 for grinding for 18 hours at 400rpm, and are fully ground and then transferred into an alumina crucible, and covered with graphite foil and put into a tube furnace. Cleaning the furnace with argon for 30min at room temperature, and then heating to 1500 ℃ with the heating and cooling rates of 5 ℃/min; cooling to room temperature, soaking and washing with 9M hydrochloric acid until no bubbles are generated, vacuum filtering with vacuum filtering device, cleaning and filtering with deionized water, and drying the precipitate in vacuum drying oven at 60deg.C for at least 6 hr to obtain excessive Al V 2 Al C ；
Al-V 2 Adding AlC, sodium chloride and potassium chloride into a ball milling device according to the molar ratio of 1:2:2, mixing and grinding, fully grinding, putting into an alumina crucible, putting into a tube furnace, introducing argon, and keeping the temperature of 700 ℃ for reaction for 6 hours; taking out the reaction product, soaking in 10% diluted hydrochloric acid for 1 hr, and vacuum filteringThe solution was filtered off and washed with deionized water, and the precipitate was removed and sonicated with deionized water for 1 hour. Repeatedly centrifuging with deionized water until the pH of supernatant is 6, and centrifuging again to obtain V 2 C。
The preparation method of the alloy for repairing the 3D printing die,
silicon, manganese, chromium, nickel, molybdenum, cobalt, tungsten and V 2 C or V 4 C 3 Vacuum smelting, adding hyperbranched polyetherimide, and uniformly stirring to obtain alloy liquid;
and atomizing the alloy liquid to prepare powder, thus obtaining alloy powder.
The preparation method comprises the steps of adding the hyperbranched polyetherimide into the mixture, wherein the addition amount of the hyperbranched polyetherimide is silicon, manganese, chromium, nickel, molybdenum, cobalt, tungsten and V 2 C or V 4 C 3 3-5% of the total mass.
The preparation method comprises the following steps of:
mixing 1, 8-diamino-3, 6-dioxaoctane and 4-chlorophthalic anhydride according to a molar ratio of 1:2, reacting at 120 ℃, adding dimethylbenzene into a reaction system, and carrying out reflux reaction for 10 hours until dimethylbenzene/water azeotrope is completely separated out, and separating and purifying a product to obtain the hyperbranched polyetherimide.
According to the preparation method, in the 3D printing process printing and forming process of the alloy for repairing the 3D printing die, solid solution and double aging heat treatment processes are adopted, the surface structure is transformed, the temperature of the solid solution treatment is 650-700 ℃, and the time is 10-12min; the aging treatment is carried out at 300-350 ℃ for 2-3 hours.
Example 1
An alloy for repairing a 3D printing die comprises the following raw materials in parts by weight:
silicon: 0.80, manganese: 0.40, chromium: 5.60, nickel: 0.4, molybdenum: 3.10, cobalt: 2.30, tungsten: 5.50, V 2 C:1.60. the preparation method of the alloy for repairing the 3D printing die,
silicon, manganese, chromium, nickel, molybdenum, cobalt, tungsten and V 2 C, vacuum smelting, addingAfter hyperbranched polyetherimide, stirring uniformly to obtain alloy liquid;
and atomizing the alloy liquid to prepare powder, thus obtaining alloy powder.
The preparation method comprises the steps of adding the hyperbranched polyetherimide into the mixture, wherein the addition amount of the hyperbranched polyetherimide is silicon, manganese, chromium, nickel, molybdenum, cobalt, tungsten and V 2 3% of the total mass of C.
According to the preparation method, in the 3D printing process printing and forming process of the alloy for repairing the 3D printing die, solid solution and double aging heat treatment processes are adopted, and the surface structure is transformed, wherein the temperature of the solid solution treatment is 650 ℃ and the time is 12min; the aging treatment temperature is 300 ℃ and the aging treatment time is 3 hours.
Example 2
An alloy for repairing a 3D printing die comprises the following raw materials in parts by weight:
silicon: 1.20, manganese: 0.10, chromium: 6.00, nickel: 0.2, molybdenum: 3.75, cobalt: 2.10, tungsten: 5.80, V 4 C 3 ：1.30。
The preparation method of the alloy for repairing the 3D printing die,
silicon, manganese, chromium, nickel, molybdenum, cobalt, tungsten and V 4 C 3 Vacuum smelting, adding hyperbranched polyetherimide, and uniformly stirring to obtain alloy liquid;
and atomizing the alloy liquid to prepare powder, thus obtaining alloy powder.
The preparation method comprises the steps of adding the hyperbranched polyetherimide into the mixture, wherein the addition amount of the hyperbranched polyetherimide is silicon, manganese, chromium, nickel, molybdenum, cobalt, tungsten and V 4 C 3 5% of the total mass.
According to the preparation method, in the 3D printing process printing and forming process of the alloy for repairing the 3D printing die, solid solution and double aging heat treatment processes are adopted, the surface structure is transformed, the solid solution treatment temperature is 700 ℃, and the time is 10min; the aging treatment temperature is 350 ℃ and the aging treatment time is 2 hours.
Example 3
An alloy for repairing a 3D printing die comprises the following raw materials in parts by weight:
silicon: 1.00, manganese: 0.30, chromium: 5.80, nickel: 0.3, molybdenum: 3.55, cobalt: 2.20, tungsten: 5.65, V 2 C:1.60. the preparation method of the alloy for repairing the 3D printing die,
silicon, manganese, chromium, nickel, molybdenum, cobalt, tungsten and V 2 C, carrying out vacuum melting, adding hyperbranched polyetherimide, and uniformly stirring to obtain alloy liquid;
and atomizing the alloy liquid to prepare powder, thus obtaining alloy powder.
The preparation method comprises the steps of adding the hyperbranched polyetherimide into the mixture, wherein the addition amount of the hyperbranched polyetherimide is silicon, manganese, chromium, nickel, molybdenum, cobalt, tungsten and V 2 4% of the total mass of C.
According to the preparation method, in the 3D printing process printing and forming process of the alloy for repairing the 3D printing die, solid solution and double aging heat treatment processes are adopted, the surface structure is transformed, the solid solution treatment temperature is 680 ℃, and the time is 11min; the aging treatment temperature is 330 ℃ and the aging treatment time is 2.5h.
Example 4
Compared with example 3, V in alloy raw material for 3D printing mold repair 2 C was added as V and C in the same amounts as in example 3.
Example 5
In contrast to example 3, the 3D printing mold repair alloy was prepared without the addition of hyperbranched polyetherimide.
Example 6
Compared with example 3, V in alloy raw material for 3D printing mold repair 2 C was added as V and C in the same amounts as in example 3. When the alloy for repairing the 3D printing die is prepared, hyperbranched polyetherimide is not added.
The 3D printing molds prepared in examples 1 to 6 above have the following performance index detection results. The data show that the two-dimensional lamellar nano-structure MXene (V) 2 C or V 4 C 3 ) And hyperbranched polyetherimide can remarkably improve the impact toughness and fracture toughness of the alloy.
Claims (10)
1. The alloy for repairing the 3D printing die is characterized by comprising the following raw materials in parts by weight:
silicon: 0.80 to 1.20 percent of manganese: 0.10 to 0.40 percent of chromium: 5.60 to 6.00, nickel: 0.2 to 0.4, molybdenum: 3.10 to 3.75, cobalt: 2.10 to 2.30, tungsten: 5.50 to 5.80, V 2 C or V 4 C 3 ：1.30～1.60。
2. The alloy for repairing a 3D printing die according to claim 1, which is characterized by comprising the following raw materials in parts by weight:
silicon: 1.00, manganese: 0.30, chromium: 5.80, nickel: 0.3, molybdenum: 3.55, cobalt: 2.20, tungsten: 5.65, V 2 C or V 4 C 3 ：1.60。
3. An alloy for repairing 3D printing mold according to claim 1 or 2, characterized in that the V 2 C or V 4 C 3 Is a two-dimensional layered nano structure.
4. A method for preparing the alloy for repairing 3D printing dies according to any one of claims 1 to 3, characterized in that silicon, manganese, chromium, nickel, molybdenum, cobalt, tungsten and V are mixed with each other 2 C or V 4 C 3 Vacuum smelting, adding hyperbranched polyetherimide, and uniformly stirring to obtain alloy liquid;
and atomizing the alloy liquid to prepare powder, thus obtaining alloy powder.
5. The process according to claim 4, wherein the hyperbranched polyetherimide is added in an amount of silicon, manganese, chromium, nickel, molybdenum, cobalt, tungsten, V 2 C or V 4 C 3 3-5% of the total mass.
6. The process according to claim 4, wherein the hyperbranched polyetherimide is prepared by:
mixing 1, 8-diamino-3, 6-dioxaoctane and 4-chlorophthalic anhydride according to a molar ratio of 1:2, reacting at 120 ℃, adding dimethylbenzene into a reaction system, and carrying out reflux reaction for 10 hours until dimethylbenzene/water azeotrope is completely separated out, and separating and purifying a product to obtain the hyperbranched polyetherimide.
7. The preparation method of the alloy for repairing the 3D printing die is characterized in that in the process of printing and forming the alloy for repairing the 3D printing die by a 3D printing process, solid solution and double aging heat treatment processes are adopted, and the surface structure is transformed, wherein the temperature of the solid solution treatment is 650-700 ℃ and the time is 10-12min; the aging treatment is carried out at 300-350 ℃ for 2-3 hours.
8. The alloy for repairing the 3D printing die is characterized by comprising the following raw materials in parts by weight:
silicon: 0.80, manganese: 0.40, chromium: 5.60, nickel: 0.4, molybdenum: 3.10, cobalt: 2.30, tungsten: 5.50, V 2 C:1.60; the preparation method comprises the following steps:
silicon, manganese, chromium, nickel, molybdenum, cobalt, tungsten and V 2 C, carrying out vacuum melting, adding hyperbranched polyetherimide, and uniformly stirring to obtain alloy liquid; atomizing the alloy liquid to prepare powder to obtain alloy powder;
the addition amount of the hyperbranched polyetherimide is 3% of the total mass of the alloy for repairing the 3D printing mold;
in the 3D printing process, the alloy for repairing the 3D printing mold is formed by adopting a solid solution and double aging heat treatment process, and the surface structure is transformed, wherein the temperature of the solid solution treatment is 650 ℃ and the time is 12min; the aging treatment temperature is 300 ℃ and the aging treatment time is 3 hours.
9. The alloy for repairing the 3D printing die is characterized by comprising the following raw materials in parts by weight:
silicon: 1.20, manganese: 0.10, chromium: 6.00, nickel: 0.2, molybdenum: 3.75, cobalt: 2.10, tungsten: 5.80, V 4 C 3 :1.30; the preparation method comprises the following steps:
silicon, manganese, chromium, nickel, molybdenum, cobalt, tungsten and V 4 C 3 Vacuum smelting, adding hyperbranched polyetherimide, and uniformly stirring to obtain alloy liquid; atomizing the alloy liquid to prepare powder to obtain alloy powder;
the addition amount of the hyperbranched polyetherimide is 5% of the total mass of the alloy for repairing the 3D printing mold;
in the 3D printing process, the alloy for repairing the 3D printing mold is formed by adopting a solid solution and double aging heat treatment process, and the surface structure is transformed, wherein the temperature of the solid solution treatment is 700 ℃ and the time is 10min; the aging treatment temperature is 350 ℃ and the aging treatment time is 2 hours.
10. The alloy for repairing the 3D printing die is characterized by comprising the following raw materials in parts by weight:
silicon: 1.00, manganese: 0.30, chromium: 5.80, nickel: 0.3, molybdenum: 3.55, cobalt: 2.20, tungsten: 5.65, V 2 C:1.60; the preparation method comprises the following steps:
silicon, manganese, chromium, nickel, molybdenum, cobalt, tungsten and V 2 C, carrying out vacuum melting, adding hyperbranched polyetherimide, and uniformly stirring to obtain alloy liquid; atomizing the alloy liquid to prepare powder to obtain alloy powder;
the addition amount of the hyperbranched polyetherimide is 4% of the total mass of the alloy for repairing the 3D printing mold;
in the 3D printing process, the alloy for repairing the 3D printing mold is formed by adopting a solid solution and double aging heat treatment process, and the surface structure is transformed, wherein the temperature of the solid solution treatment is 680 ℃ and the time is 11min; the aging treatment temperature is 330 ℃ and the aging treatment time is 2.5h.
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| CN111074268A (en) * | 2020-01-02 | 2020-04-28 | 北京机科国创轻量化科学研究院有限公司 | Iron-based metal powder for ultra-high-speed laser cladding, and preparation method and application thereof |
| CN115323272A (en) * | 2022-08-02 | 2022-11-11 | 浙江工业大学 | Ferritic steel alloy powder for laser additive repair of shaft parts and application method thereof |
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| CN111074268A (en) * | 2020-01-02 | 2020-04-28 | 北京机科国创轻量化科学研究院有限公司 | Iron-based metal powder for ultra-high-speed laser cladding, and preparation method and application thereof |
| US20210207251A1 (en) * | 2020-01-02 | 2021-07-08 | Beijing National Innovation Institute Of Lightweight Ltd | Iron-based metal powder for ultra-high-speed laser cladding, its preparation method and its application |
| CN115323272A (en) * | 2022-08-02 | 2022-11-11 | 浙江工业大学 | Ferritic steel alloy powder for laser additive repair of shaft parts and application method thereof |
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Denomination of invention: An alloy for laser cladding mold repair and its preparation method Granted publication date: 20240423 Pledgee: Feicheng Sub branch of Postal Savings Bank of China Co.,Ltd. Pledgor: Shandong purer Machinery Manufacturing Co.,Ltd. Registration number: Y2024980023968 |