CN105689643B - A kind of base steel abrasion-proof anti-corrosion coating quick cast preparation method based on 3D printing - Google Patents
A kind of base steel abrasion-proof anti-corrosion coating quick cast preparation method based on 3D printing Download PDFInfo
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- CN105689643B CN105689643B CN201610055836.0A CN201610055836A CN105689643B CN 105689643 B CN105689643 B CN 105689643B CN 201610055836 A CN201610055836 A CN 201610055836A CN 105689643 B CN105689643 B CN 105689643B
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- 239000011248 coating agent Substances 0.000 title claims abstract description 98
- 238000000576 coating method Methods 0.000 title claims abstract description 98
- 238000005260 corrosion Methods 0.000 title claims abstract description 90
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 60
- 239000010959 steel Substances 0.000 title claims abstract description 60
- 238000010146 3D printing Methods 0.000 title claims abstract description 48
- 238000002360 preparation method Methods 0.000 title claims abstract description 37
- 230000007797 corrosion Effects 0.000 claims abstract description 54
- 239000000843 powder Substances 0.000 claims abstract description 42
- 238000005266 casting Methods 0.000 claims abstract description 40
- 238000005495 investment casting Methods 0.000 claims abstract description 35
- 238000007639 printing Methods 0.000 claims abstract description 30
- 238000000034 method Methods 0.000 claims abstract description 23
- 239000002002 slurry Substances 0.000 claims abstract description 20
- 239000000463 material Substances 0.000 claims abstract description 19
- 239000007788 liquid Substances 0.000 claims abstract description 12
- 239000000758 substrate Substances 0.000 claims abstract description 12
- 239000007787 solid Substances 0.000 claims abstract description 10
- 239000006255 coating slurry Substances 0.000 claims abstract description 9
- 229910000604 Ferrochrome Inorganic materials 0.000 claims abstract description 8
- 229910045601 alloy Inorganic materials 0.000 claims abstract description 6
- 239000000956 alloy Substances 0.000 claims abstract description 6
- 238000011068 loading method Methods 0.000 claims abstract description 6
- 230000001360 synchronised effect Effects 0.000 claims abstract description 6
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 5
- 239000002270 dispersing agent Substances 0.000 claims abstract description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 27
- 239000004576 sand Substances 0.000 claims description 18
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 15
- 239000010410 layer Substances 0.000 claims description 15
- 238000005253 cladding Methods 0.000 claims description 11
- 241000446313 Lamella Species 0.000 claims description 10
- 239000011247 coating layer Substances 0.000 claims description 9
- 238000001035 drying Methods 0.000 claims description 9
- 229910052742 iron Inorganic materials 0.000 claims description 8
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 7
- 238000012545 processing Methods 0.000 claims description 7
- 239000006004 Quartz sand Substances 0.000 claims description 6
- 230000004927 fusion Effects 0.000 claims description 6
- 239000013049 sediment Substances 0.000 claims description 6
- UONOETXJSWQNOL-UHFFFAOYSA-N tungsten carbide Chemical compound [W+]#[C-] UONOETXJSWQNOL-UHFFFAOYSA-N 0.000 claims description 6
- 229910021538 borax Inorganic materials 0.000 claims description 5
- 238000010586 diagram Methods 0.000 claims description 5
- 230000008018 melting Effects 0.000 claims description 5
- 238000002844 melting Methods 0.000 claims description 5
- 239000004328 sodium tetraborate Substances 0.000 claims description 5
- 235000010339 sodium tetraborate Nutrition 0.000 claims description 5
- 229910000851 Alloy steel Inorganic materials 0.000 claims description 4
- CPLXHLVBOLITMK-UHFFFAOYSA-N Magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 claims description 4
- 238000000498 ball milling Methods 0.000 claims description 4
- 150000001875 compounds Chemical class 0.000 claims description 3
- 229910052845 zircon Inorganic materials 0.000 claims description 3
- GFQYVLUOOAAOGM-UHFFFAOYSA-N zirconium(iv) silicate Chemical compound [Zr+4].[O-][Si]([O-])([O-])[O-] GFQYVLUOOAAOGM-UHFFFAOYSA-N 0.000 claims description 3
- 229910000975 Carbon steel Inorganic materials 0.000 claims description 2
- 239000011230 binding agent Substances 0.000 claims description 2
- 239000010962 carbon steel Substances 0.000 claims description 2
- 230000000694 effects Effects 0.000 claims description 2
- 238000010891 electric arc Methods 0.000 claims description 2
- 238000011049 filling Methods 0.000 claims description 2
- 230000006698 induction Effects 0.000 claims description 2
- 239000000395 magnesium oxide Substances 0.000 claims description 2
- 238000000465 moulding Methods 0.000 claims description 2
- 238000012797 qualification Methods 0.000 claims description 2
- 238000004140 cleaning Methods 0.000 claims 1
- 229910000658 steel phase Inorganic materials 0.000 claims 1
- 229910052751 metal Inorganic materials 0.000 abstract description 15
- 239000002184 metal Substances 0.000 abstract description 15
- 239000002131 composite material Substances 0.000 abstract description 10
- 238000003756 stirring Methods 0.000 abstract description 5
- 238000001816 cooling Methods 0.000 abstract 1
- 238000012805 post-processing Methods 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 description 18
- 238000005516 engineering process Methods 0.000 description 9
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 7
- 238000006477 desulfuration reaction Methods 0.000 description 7
- 230000023556 desulfurization Effects 0.000 description 7
- 239000003546 flue gas Substances 0.000 description 7
- 239000000178 monomer Substances 0.000 description 6
- 229920002818 (Hydroxyethyl)methacrylate Polymers 0.000 description 5
- WOBHKFSMXKNTIM-UHFFFAOYSA-N Hydroxyethyl methacrylate Chemical compound CC(=C)C(=O)OCCO WOBHKFSMXKNTIM-UHFFFAOYSA-N 0.000 description 5
- WRIDQFICGBMAFQ-UHFFFAOYSA-N (E)-8-Octadecenoic acid Natural products CCCCCCCCCC=CCCCCCCC(O)=O WRIDQFICGBMAFQ-UHFFFAOYSA-N 0.000 description 4
- LQJBNNIYVWPHFW-UHFFFAOYSA-N 20:1omega9c fatty acid Natural products CCCCCCCCCCC=CCCCCCCCC(O)=O LQJBNNIYVWPHFW-UHFFFAOYSA-N 0.000 description 4
- QSBYPNXLFMSGKH-UHFFFAOYSA-N 9-Heptadecensaeure Natural products CCCCCCCC=CCCCCCCCC(O)=O QSBYPNXLFMSGKH-UHFFFAOYSA-N 0.000 description 4
- 229910001018 Cast iron Inorganic materials 0.000 description 4
- 239000005642 Oleic acid Substances 0.000 description 4
- ZQPPMHVWECSIRJ-UHFFFAOYSA-N Oleic acid Natural products CCCCCCCCC=CCCCCCCCC(O)=O ZQPPMHVWECSIRJ-UHFFFAOYSA-N 0.000 description 4
- QXJSBBXBKPUZAA-UHFFFAOYSA-N isooleic acid Natural products CCCCCCCC=CCCCCCCCCC(O)=O QXJSBBXBKPUZAA-UHFFFAOYSA-N 0.000 description 4
- 239000011159 matrix material Substances 0.000 description 4
- ZQPPMHVWECSIRJ-KTKRTIGZSA-N oleic acid Chemical compound CCCCCCCC\C=C/CCCCCCCC(O)=O ZQPPMHVWECSIRJ-KTKRTIGZSA-N 0.000 description 4
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 3
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 3
- 229910052804 chromium Inorganic materials 0.000 description 3
- 239000011651 chromium Substances 0.000 description 3
- 238000011161 development Methods 0.000 description 3
- 239000004570 mortar (masonry) Substances 0.000 description 3
- 238000005488 sandblasting Methods 0.000 description 3
- YXFVVABEGXRONW-UHFFFAOYSA-N toluene Substances CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- HRPVXLWXLXDGHG-UHFFFAOYSA-N Acrylamide Chemical compound NC(=O)C=C HRPVXLWXLXDGHG-UHFFFAOYSA-N 0.000 description 2
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 2
- 239000000908 ammonium hydroxide Substances 0.000 description 2
- ROOXNKNUYICQNP-UHFFFAOYSA-N ammonium persulfate Chemical compound [NH4+].[NH4+].[O-]S(=O)(=O)OOS([O-])(=O)=O ROOXNKNUYICQNP-UHFFFAOYSA-N 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 2
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 2
- -1 hydroxyl ethyl Chemical group 0.000 description 2
- 239000011812 mixed powder Substances 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- GFPUQEPTYWFAHI-UHFFFAOYSA-N 2-hydroxyethyl 2-methylprop-2-enoate;toluene Chemical compound CC1=CC=CC=C1.CC(=C)C(=O)OCCO GFPUQEPTYWFAHI-UHFFFAOYSA-N 0.000 description 1
- WHNWPMSKXPGLAX-UHFFFAOYSA-N N-Vinyl-2-pyrrolidone Chemical compound C=CN1CCCC1=O WHNWPMSKXPGLAX-UHFFFAOYSA-N 0.000 description 1
- 208000012868 Overgrowth Diseases 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 229910001870 ammonium persulfate Inorganic materials 0.000 description 1
- 230000002929 anti-fatigue Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 229910001567 cementite Inorganic materials 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- 229910017052 cobalt Inorganic materials 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000001815 facial effect Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 239000003999 initiator Substances 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- KSOKAHYVTMZFBJ-UHFFFAOYSA-N iron;methane Chemical compound C.[Fe].[Fe].[Fe] KSOKAHYVTMZFBJ-UHFFFAOYSA-N 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000012778 molding material Substances 0.000 description 1
- CEHHGEQOHMSYEE-UHFFFAOYSA-N n-methyl-n-prop-2-enoylprop-2-enamide Chemical compound C=CC(=O)N(C)C(=O)C=C CEHHGEQOHMSYEE-UHFFFAOYSA-N 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 150000004767 nitrides Chemical class 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
- 238000004663 powder metallurgy Methods 0.000 description 1
- 238000007712 rapid solidification Methods 0.000 description 1
- 239000011819 refractory material Substances 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 239000007790 solid phase Substances 0.000 description 1
- 239000006104 solid solution Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910000601 superalloy Inorganic materials 0.000 description 1
- 238000009757 thermoplastic moulding Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C9/00—Moulds or cores; Moulding processes
- B22C9/02—Sand moulds or like moulds for shaped castings
- B22C9/04—Use of lost patterns
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D19/00—Casting in, on, or around objects which form part of the product
- B22D19/02—Casting in, on, or around objects which form part of the product for making reinforced articles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D19/00—Casting in, on, or around objects which form part of the product
- B22D19/16—Casting in, on, or around objects which form part of the product for making compound objects cast of two or more different metals, e.g. for making rolls for rolling mills
-
- 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
- B22F1/00—Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
- B22F1/10—Metallic powder containing lubricating or binding agents; Metallic powder containing organic material
-
- 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
- B22F1/00—Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
- B22F1/10—Metallic powder containing lubricating or binding agents; Metallic powder containing organic material
- B22F1/103—Metallic powder containing lubricating or binding agents; Metallic powder containing organic material containing an organic binding agent comprising a mixture of, or obtained by reaction of, two or more components other than a solvent or a lubricating agent
-
- 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
- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/22—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces for producing castings from a slip
- B22F3/227—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces for producing castings from a slip by organic binder assisted extrusion
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C19/00—Alloys based on nickel or cobalt
- C22C19/03—Alloys based on nickel or cobalt based on nickel
- C22C19/05—Alloys based on nickel or cobalt based on nickel with chromium
- C22C19/051—Alloys based on nickel or cobalt based on nickel with chromium and Mo or W
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C19/00—Alloys based on nickel or cobalt
- C22C19/03—Alloys based on nickel or cobalt based on nickel
- C22C19/05—Alloys based on nickel or cobalt based on nickel with chromium
- C22C19/058—Alloys based on nickel or cobalt based on nickel with chromium without Mo and W
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C32/00—Non-ferrous alloys containing at least 5% by weight but less than 50% by weight of oxides, carbides, borides, nitrides, silicides or other metal compounds, e.g. oxynitrides, sulfides, whether added as such or formed in situ
- C22C32/0047—Non-ferrous alloys containing at least 5% by weight but less than 50% by weight of oxides, carbides, borides, nitrides, silicides or other metal compounds, e.g. oxynitrides, sulfides, whether added as such or formed in situ with carbides, nitrides, borides or silicides as the main non-metallic constituents
- C22C32/0052—Non-ferrous alloys containing at least 5% by weight but less than 50% by weight of oxides, carbides, borides, nitrides, silicides or other metal compounds, e.g. oxynitrides, sulfides, whether added as such or formed in situ with carbides, nitrides, borides or silicides as the main non-metallic constituents only carbides
Abstract
A kind of base steel abrasion-proof anti-corrosion coating quick cast preparation method based on 3D printing, belongs to metal-base composites preparing technical field.The present invention is by nickel-base alloy powder, WC powder, TiC powder, ferrochrome powder and fluxing agent etc. are uniformly mixed, it is added in prepared premixed liquid with suitable dispersant, stir evenly obtained low-viscosity, the coating slurry of high solid loading, printing to obtain casting particular job region by metal slurry subregion synchronous with cerul mould material by Composite Double nozzle 3D printing device has the casting prototype wax-pattern of wear-and corrosion-resistant coating, shell processed is carried out to model, demoulding, high-temperature molten steel is poured into a mould after the model castings process such as high-temperature roasting, it is cooling, post-processing, steel substrate surface wear-and corrosion-resistant coating precision casting can be produced.The casting dimension accuracy that the present invention produces is high, wear-and corrosion-resistant coating surface it is high-quality and with steel substrate metallurgical binding, it not only ensure that the toughness of basis material in use, but also improved the high-wearing feature and corrosion resistance in military service region, and made casting that there is more preferably comprehensive performance.
Description
Technical field
The base steel abrasion-proof anti-corrosion coating Rapid Precision Casting preparation method based on 3D printing that the present invention relates to a kind of.Especially
It is fast to be related to the base steel abrasion-proof anti-corrosion coating being combined using investment precision casting technology, cladding coating and more nozzle 3D printing techniques
Fast hot investment casting preparation method, belongs to metal-base composites preparing technical field.
Background technology
With the progress of preparation process and the demand of commercial Application, a variety of steel based surface composite materials have been developed at present
Preparation process, wherein surface-coating technology be it is a kind of so that material surface is obtained special ingredient, institutional framework and performance, not only
Wearability can be improved, while assigning part high temperature resistant, corrosion-resistant, antifatigue, anti-spoke conduction, magnetic conduction, inhaling the specific functions such as wave
Economic and effective means.Cladding coating technology is to use powder metallurgy process, by low melting point self-fluxing alloy powder and hard
Phase powder (carbide, boride, nitride etc.) is coated on iron and steel parts working face, so that powder is in semi-molten shape by heating
State, and dissolving and diffusion occurs with basis material, to obtain that there is wear-resisting, erosion-resisting metallurgical binding hard in matrix surface
Coating.Part service life can be extended, improve equipment operation rate.But it is complicated to surface shape and require high zero of precision
Part is limited by existing manufacture level, has the composite material parts manufacture difficulty such as surface abrasion resistance damage, corrosion-resistant, complicated
Very big, manufacturing cost is very high.
Precision-investment casting is a kind of new near-net-shape advanced technologies, is to coat several layers of refractory material in wax pattern surface,
After its dry through, wax-pattern therein is melted and goes to can be made into shell, using roasting, is then poured into a mould, and obtains casting
A kind of manufacturing method.The product that it is obtained is accurate, complicated, can be without processing or seldom processing close to part final form
It directly uses, is widely used general.But traditional precision-investment casting method needs to manufacture by mold or machining
Fusible pattern, production technology is complicated, the development cycle is long, manufacturing cost is high, the accuracy of manufacture is not easy to control, especially some complex-shaped zero
The fusible pattern making of part is abnormal difficult, need to expend a large amount of human and material resources and financial resources, it is difficult to realize the quick system of complex precise casting
It makes, directly affects the development efficiency of product.Therefore, there is an urgent need to find a kind of method fast and accurately making fusible pattern, carry out generation
For fusible pattern production method traditional at present.
3D printing technique is the emerging technology that manufacture field is rapidly developing, the manufacturing theory of 3D printing technique
It is the thought based on " increasing material manufacturing ", is that the technology of object is manufactured by print head, nozzle or other printing deposition techniques, it is main
It will be including SLA, FDM, SLS, LOM etc..The cold printing techniques of 3D be one kind can room temperature or low temperature (<100 DEG C) under the conditions of be printed as
The novel 3D printing technique of type metal parts, it is to spray the metal slurry of low-viscosity, high solid loading by printer head
It is mapped on print platform, while causing organic monomer polymerisation in slurry in a manner of chemistry or thermal initiation etc., make metal slurry
Rapid solidification, realizes the successively printing of metal parts green body.Fusion sediment shapes (FDM), and is known as fuse sedimentation, be with
Thermoplastic molding materials silk is material, successively by bottom to top is piled into physical model or part.
Invention content
The purpose of the present invention is to provide a kind of rational technology, time-consuming short, efficient, production cost is low, can manufacture surface
Base steel abrasion-proof anti-corrosion coating composite material fast preparation method complex-shaped and that precision size degree is high.
Above-mentioned purpose to realize the present invention, it is quick that the present invention provides a kind of base steel abrasion-proof anti-corrosion coating based on 3D printing
Hot investment casting preparation method, specific step of preparation process are as follows：
(1) according to casting wear-and corrosion-resistant working sections contour line, the composite casting with coating structure specific region is drawn out
Part prototype three-dimensional model diagram, and set coating part and printed by the cold printing heads of metallic slurry 3D, body portion is melted by wax-pattern
The printing of (FDM) printing head is deposited, it uses hierarchy slicing processing to convert three-dimensional CAD figure to compound casting prototype threedimensional model
For can be by lamella graphic file that 3D printing device identifies.
(2) prepared by coating slurry：By predetermined ratio by Ni60 nickel-base alloy powders, carbonized titanium powder, tungsten carbide powder, ferrochrome powder and
Fluxing agent ball milling in the ball mill, is made wear-and corrosion-resistant cladding coating powder, then be added to and prepare together with appropriate dispersant
Premixed liquid in, stir evenly the coating slurry of obtained low-viscosity, high solid loading.
(3) cast model 3D printing：By prepared wear-and corrosion-resistant coating slurry printed material and wax-pattern printed material point
It is not delivered to the cold printing heads of metallic slurry 3D and wax-pattern fusion sediment (FDM) printing head；Then it is imported according to step (1)
Lamella graphic file, synchronous subregion, which prints to obtain, has certain thickness wear-and corrosion-resistant coating cast prototype model.
(4) investment casting shell makes：Casting prototype model surface with wear-and corrosion-resistant coating is sticked with wax cast system
System, then multiple successively hanging stucco shell operation is carried out, investment casting shell is obtained, is dewaxed after shell is fully hardened, from
Wax-pattern is removed in shell；It places into and carries out high-temperature roasting in high-temperature roasting furnace.
(5) molten steel is poured into a mould：By roasting shell surrounding filling moulding, the high-temperature molten steel of melting qualification is poured into a mould, in high temperature
Under the effects that molten steel and capillary force so that coating powder semi-molten and with molten steel counterdiffusion, to molten on iron and steel casting surface
Overgrowth is at the coating with wear and corrosion behavior.
(6) it shells, clear up：It after casting is cooled to room temperature, is shelled, cut off dead head and removing surface, you can system
It produces with certain thickness steel substrate surface wear-and corrosion-resistant coating cast.
It is preferably based on the base steel abrasion-proof anti-corrosion coating Rapid Precision Casting preparation method of 3D printing, in step (1),
Casting wear-and corrosion-resistant working face contour line, according to casting, work surface wear and corrosion failure region determine during being on active service.
It is preferably based on the base steel abrasion-proof anti-corrosion coating Rapid Precision Casting preparation method of 3D printing, in step (2),
Wear-and corrosion-resistant cladding coating powder includes 20-200 μm of granularity 15wt%-70wt%, 20-200 μm of nickel-base alloy powder carbonized titanium powder
0wt%-20wt%, 40-280 μm of ferrochrome powder 2wt%-40wt% of 0wt%-20wt%, 40-150 μm of tungsten carbide powders and fluxing agent
Borax powder 2wt%-8wt%.
It is preferably based on the base steel abrasion-proof anti-corrosion coating Rapid Precision Casting preparation method of 3D printing, in step (2),
Ball-milling Time is 4-12h to the coating powder in the ball mill.
It is preferably based on the base steel abrasion-proof anti-corrosion coating Rapid Precision Casting preparation method of 3D printing, in step (2),
Dispersant is the oleic acid and ammonium hydroxide of 0.01wt%~0.2wt%.
It is preferably based on the base steel abrasion-proof anti-corrosion coating Rapid Precision Casting preparation method of 3D printing, in step (2),
Premixed liquid is hydroxyethyl methacrylate-toluene gel rubber system premixed liquid or aqueous gel system premixed liquid, wherein metering system
A concentration of 30vol%~60vol% of organic monomer hydroxyethyl methacrylate in sour hydroxyl ethyl ester-toluene gel rubber system premixed liquid；
Organic monomer acrylamide, methyl diacrylamine or n-vinyl pyrrolidone are a concentration of in aqueous gel system premixed liquid
20wt%~25wt%.
It is preferably based on the base steel abrasion-proof anti-corrosion coating Rapid Precision Casting preparation method of 3D printing, in step (2),
Low-viscosity, 0.8~1Pas of k value of coating slurry of high solid loading, solid concentration are 30vol%~60vol%.
It is preferably based on the base steel abrasion-proof anti-corrosion coating Rapid Precision Casting preparation method of 3D printing, in step (3),
The cold printings of metal slurry 3D are that the cold printing heads of metallic slurry 3D are continuously and quantitatively sprayed coating slurry by cross sectional shape
Onto print platform, while controlling auxiliary nozzle and spraying a certain amount of catalyst n, N, N ' N '-tetramethylethylenediamine and initiator
Ammonium persulfate mixing liquid makes to be ejected into the slurry rapid curing on print platform, the cold printing heads of metallic slurry 3D and wax-pattern
Fusion sediment (FDM) printing head alternates printing by respective print area set by step (1), repeatedly and layer by layer
It stacks, obtains external with certain thickness wear-and corrosion-resistant coating, the internal casting 3D prototype models for wax-pattern.
It is preferably based on the base steel abrasion-proof anti-corrosion coating Rapid Precision Casting preparation method of 3D printing, in step (3),
The printing wear-and corrosion-resistant coating layer thickness is determined that coating print thickness is 0.5-20mm by cross sectional shape.
It is preferably based on the base steel abrasion-proof anti-corrosion coating Rapid Precision Casting preparation method of 3D printing, in step (4),
The hanging stucco shell, uses Ludox or silester for the coating hanging of binder making, is once corresponded to per hanging
One layer of sand is spread, is carried out 4-6 times repeatedly, after its drying hardening, shell completes.According to different casting, shell sand processed
Quartz sand, emergy, zircon sand and magnesia etc. can be selected.
It is preferably based on the base steel abrasion-proof anti-corrosion coating Rapid Precision Casting preparation method of 3D printing, in step (4),
The shell dewaxing is dewaxed using high pressure steam process or high temperature flash burning method.
It is preferably based on the base steel abrasion-proof anti-corrosion coating Rapid Precision Casting preparation method of 3D printing, in step (4),
The shell high-temperature roasting is that the shell after dewaxing is sent directly into roasting in high-temperature roasting furnace, and when roasting is stepped up stove
Shell is heated to 800~1100 DEG C by temperature.
It is preferably based on the base steel abrasion-proof anti-corrosion coating Rapid Precision Casting preparation method of 3D printing, the institute in step (5)
State high-temperature molten steel be carbon steel, steel alloy, cast iron, stainless steel and nickel, it is any in cobalt base superalloy, can be in electric arc furnaces or induction
Melting in electric furnace.
It is preferably based on the base steel abrasion-proof anti-corrosion coating Rapid Precision Casting preparation method of 3D printing, cast(ing) surface is wear-resisting
Anti-corrosion coating thickness 1-25mm.
It is preferably based on the base steel abrasion-proof anti-corrosion coating Rapid Precision Casting preparation method of 3D printing, cast(ing) surface is wear-resisting
Anti-corrosion coating is mainly made of coat powder and molten steel counterdiffusion, WC particle total volume hundred in cast(ing) surface wear-and corrosion-resistant coating
Score is 0-20%, and TiC particle percent in volume is 0-30%, and alloyed cementite percentage by volume is 10-30%, γ-(Ni,
Fe) solid solution percentage by volume is 10-30%, remaining matrix constituted after being solidified for molten steel diffusion.
It is preferably based on the base steel abrasion-proof anti-corrosion coating Rapid Precision Casting preparation method of 3D printing, the cast(ing) surface
Wear-and corrosion-resistant coating hardness HRC55-69.
Beneficial effects of the present invention are as follows：
(1) it utilizes 3D printing that can realize the quick manufacture of complex-shaped precision casting, and is not necessarily to mold, the product that it is obtained
Close to part final form, can directly be used without processing or seldom processing.
(2) the composite castings dimensional accuracy produced is high, and wear-and corrosion-resistant coating surface is high-quality and and steel substrate
Metallurgical binding, and coating structure design has sufficient degree of freedom；
(3) the steel substrate surface wear-and corrosion-resistant coating composite material casting prepared, both ensure that matrix material in use
The toughness of material, and the high-wearing feature and corrosion resistance in military service region are improved, promote the comprehensive performance of product.The cast(ing) surface
Wear-and corrosion-resistant coating hardness HRC55-69.
(4) the entire technological process of production is relatively easy, reliable, can shorten the manufacturing cycle of part based on 3D printing, reduces
Casting manufacturing cost improves the research and development development efficiency of product；
(5) anti-corrosion particularly suitable for surface abrasion resistance and complex-shaped metal-base composites quickly manufactures, and has good
Commercial application foreground.
Specific implementation mode
Embodiment 1：The preparation of steel substrate surface wear-and corrosion-resistant coating centrifugal pump impeller based on 3D printing.
The three-dimensional CAD physical model for drawing " centrifugal pump impeller " casting first, according to " centrifugal pump impeller " wear-and corrosion-resistant work
Make cross section contour, draws out " centrifugal pump impeller " casting prototype three-dimensional model diagram with coating structure, layering is used to it
Slicing treatment converts three-dimensional CAD figure to can be by lamella graphic file that 3D printing device identifies.
Weigh the Ni60 alloyed powders 600g of 100 μm of granularity, 50 μm of tungsten carbide powder 100g, 50 μm of carbonized titanium powder 210g,
150 μm of ferrochrome powder 50g and borax 40g, mixes 8h in the ball mill, and wear-and corrosion-resistant cladding coating powder is made.
Mixed powder is added to the hydroxyethyl methacrylate of a concentration of 50vol% of organic monomer hydroxyethyl methacrylate
In ethyl ester-toluene gel rubber system premixed liquid, the oleic acid stirring of 0.01wt% is added, it is about 55vol%'s that solid concentration, which is made,
Metal slurry.
Prepared wear-and corrosion-resistant coating metal slurry printed material and wax-pattern printed material are delivered to metal pulp respectively
The cold printing heads of body 3D and wax-pattern printing head；The lamella graphic file being then introduced into, synchronous subregion print to obtain have it is wear-resisting
The centrifugal pump impeller casting prototype model of anti-corrosion coating, coating layer thickness 4-6mm.
Hanging stucco shell is carried out after this casting prototype model surface is sticked with wax running gate system, is often hung once by Ludox
The coating correspondence of preparation spreads one layer of sand, and the quartz sand of face layer sand selection 80-100 mesh is hung again after waiting surface shells drying hardening
Stucco is starched, the second layer gradually uses granularity for quartz sand thicker 0.3-1.0mm later, is so repeated 5 times hanging and stucco behaviour
Make, then seal mortar treatent, shell completes after its drying hardening.
Shell is quickly put into 900 DEG C or so of roaster, so that the fusible pattern close to shell is melted rapidly, the type after dewaxing
Shell after the natural drying of 2h, is put into high-temperature roasting furnace in dry air, is to slowly warm up to 1000 DEG C, keeps the temperature 1h.
Roasting shell is placed in iron case, drystone sand is used in combination to fill.Melted low-alloy steel molten steel is direct
Shell sprue cup is poured into, pouring temperature is 1530 ± 30 DEG C.
After casting is cooled to room temperature, it is placed on vibrations hulling machine and shakes shelling, cut off dead head, carry out at surface sand-blasting
Reason is to get the steel substrate surface wear-and corrosion-resistant coating centrifugal pump impeller based on 3D printing, wear-and corrosion-resistant coating and low alloy steel substrate
In metallurgical binding, surface quality is good, and coating layer thickness is 4~6mm, 52~62HRC of hardness.
Embodiment 2：The preparation of steel substrate surface wear-and corrosion-resistant coating Pulp pump spiral case based on 3D printing.
The three-dimensional CAD physical model for drawing " Pulp pump spiral case " casting first, during being on active service according to " Pulp pump spiral case "
Fail eroded area, " Pulp pump spiral case " casting prototype three-dimensional model diagram with wear-and corrosion-resistant coating structure is drawn out, to it
Handle that convert three-dimensional CAD figure to can be by lamella graphic file that 3D printing device identifies using hierarchy slicing.
Weigh Ni60 alloyed powders 1200g, 150 μm of tungsten carbide powder 420g, 100 μm of the carbonized titanium powder of 50 μm of granularity
200g, 150 μm of ferrochrome powder 100g and borax 80g, mix 10h in the ball mill, and wear-and corrosion-resistant cladding coating powder is made.
Mixed powder is added to the hydroxyethyl methacrylate of a concentration of 50vol% of organic monomer hydroxyethyl methacrylate
In ethyl ester-toluene gel rubber system premixed liquid, the oleic acid stirring of 0.01wt% is added, it is about 50vol%'s that solid concentration, which is made,
Metal slurry.
Prepared wear-and corrosion-resistant coating metal slurry printed material and wax-pattern printed material are delivered to metal pulp respectively
The cold printing heads of body 3D and wax-pattern printing head；The lamella graphic file being then introduced into, synchronous subregion print to obtain have it is wear-resisting
The Pulp pump spiral case casting prototype model of anti-corrosion coating, coating layer thickness 8-10mm.
Hanging stucco shell is carried out after Pulp pump spiral case prototype model surface is sticked with wax running gate system, is often hung once by silicon
The coating correspondence that colloidal sol is prepared spreads one layer of sand, and face layer sand selects the quartz sand of 80-100 mesh, after waiting surface shells to dry hardening again
Secondary hanging stucco, the second layer gradually use granularity for quartz sand thicker 0.3-1.0mm, are so repeated 6 times hanging and spread later
Sand operates, then seal mortar treatent, and shell completes after its drying hardening.
Shell is quickly put into 900 DEG C or so of roaster, so that the fusible pattern close to shell is melted rapidly, the type after dewaxing
Shell after the natural drying of 3h, is put into high-temperature roasting furnace in dry air, is to slowly warm up to 1000 DEG C, keeps the temperature 2h.
Roasting shell is placed in iron case, drystone sand is used in combination to fill.Melted rich chromium cast iron molten iron is direct
Shell sprue cup is poured into, pouring temperature is 1480 ± 30 DEG C.
After casting is cooled to room temperature, shelled using high pressure water, cut off dead head, carry out surface sand-blasting process to get based on
The rich chromium cast iron primary surface wear-and corrosion-resistant coating Pulp pump spiral case of 3D printing, wear-and corrosion-resistant coating is with rich chromium cast iron matrix in metallurgy
In conjunction with surface quality is good, and coating layer thickness is 8~10mm, 56~65HRC of hardness.
Embodiment 3:The preparation of steel substrate surface wear-and corrosion-resistant coating flue gas desulfurization pump based on 3D printing.
The three-dimensional CAD physical model for drawing " flue gas desulfurization pump " first is cut according to the work of " flue gas desulfurization pump " wear-and corrosion-resistant
Facial contour line draws out " flue gas desulfurization pump " casting prototype three-dimensional model diagram with coating structure, hierarchy slicing is used to it
Processing converts three-dimensional CAD figure to can be by lamella graphic file that 3D printing device identifies.
Weigh the Ni60 alloyed powders 600g of 100 μm of granularity, 50 μm of carbonized titanium powder 250g, 150 μm of ferrochrome powder 100g and
Borax 50g, mixes 8h in the ball mill, and wear-and corrosion-resistant cladding coating powder is made.
It is 20wt%'s that wear-and corrosion-resistant cladding coating powder mixed in advance, which is added to organic monomer acrylamide concentration,
In aqueous gel system premixed liquid, the oleic acid stirring of 0.02wt% is added, and PH is adjusted to 10 using ammonium hydroxide, solid phase is made
The metal slurry that content is about 50vol%.
Prepared wear-and corrosion-resistant coating metal slurry printed material and wax-pattern printed material are delivered to metal pulp respectively
The cold printing heads of body 3D and wax-pattern printing head；The lamella graphic file being then introduced into, synchronous subregion print to obtain have it is wear-resisting
The flue gas desulfurization of anti-corrosion coating pumps casting prototype model, coating layer thickness 2-4mm.
Hanging stucco shell is carried out after flue gas desulfurization pump prototype model surface is sticked with wax running gate system, is often hung once by silicon
The coating correspondence that colloidal sol is prepared spreads one layer of sand, and face layer sand selects the zircon sand of 100-150 mesh, after waiting surface shells to dry hardening again
Secondary hanging stucco, the second layer gradually use granularity for Mo Laisha thicker 0.3-1.0mm, are so repeated 4 times hanging and spread later
Sand operates, then seal mortar treatent, and shell completes after its drying hardening.
Shell is quickly put into 900 DEG C or so of roaster, so that the fusible pattern close to shell is melted rapidly, the type after dewaxing
Shell after the natural drying of 2h, is put into high-temperature roasting furnace in dry air, is to slowly warm up to 1000 DEG C, keeps the temperature 1h.
Roasting shell is placed in iron case, drystone sand is used in combination to fill.Melted 316L stainless molten steels is straight
It connects and pours into shell sprue cup, pouring temperature is 1560 ± 50 DEG C.
After casting is cooled to room temperature, it is placed on vibrations hulling machine and shakes shelling, cut off dead head, carry out at surface sand-blasting
It manages to get the steel substrate surface wear-and corrosion-resistant coating flue gas desulfurization pump based on 3D printing, wear-and corrosion-resistant coating and the stainless base steels of 316L
Body is in metallurgical binding, and surface quality is good, and coating layer thickness is 2~4mm, 52~59HRC of hardness.
Furthermore, it is necessary to explanation, described in this specification above content is only to examples of the invention
Explanation.Those skilled in the art can make various modifications or benefit to described specific embodiment
It fills or substitutes by a similar method, content without departing from description of the invention or surmount the claims and defined
Range, be within the scope of protection of the invention.
Claims (8)
1. a kind of base steel abrasion-proof anti-corrosion coating Rapid Precision Casting preparation method based on 3D printing, it is characterised in that：
（1）According to casting wear-and corrosion-resistant working sections contour line, it is former to draw out the compound casting with coating structure specific region
Type three-dimensional model diagram, and set coating part and printed by the cold printing heads of metallic slurry 3D, body portion is by wax-pattern fusion sediment
（FDM）Printing head prints, and to compound casting prototype threedimensional model, it uses hierarchy slicing processing convert three-dimensional CAD figure to can
The lamella graphic file identified by 3D printing device；
（2）It is prepared by coating slurry：By predetermined ratio by Ni60 nickel-base alloy powders, carbonized titanium powder, tungsten carbide powder, ferrochrome powder and fluxing
Agent ball milling in the ball mill, is made wear-and corrosion-resistant cladding coating powder, then is added to together with appropriate dispersant prepared pre-
In mixed liquid, the coating slurry of obtained low-viscosity, high solid loading is stirred evenly；The coating material of the low-viscosity, high solid loading
0.8~1Pas of k value, the solid concentration of slurry are 30vol%~60vol%；
（3）Cast model 3D printing：Prepared wear-and corrosion-resistant coating slurry printed material and wax-pattern printed material difference is defeated
It send to the cold printing heads of metallic slurry 3D and wax-pattern fusion sediment（FDM）Printing head；Then according to step（1）The lamella of importing
Graphic file, synchronous subregion, which prints to obtain, has certain thickness wear-and corrosion-resistant coating cast 3D prototype models；
（4）Investment casting shell makes：Casting prototype model surface with wear-and corrosion-resistant coating is sticked with wax running gate system, then
Repeatedly successively hanging stucco shell operation is carried out, investment casting shell is obtained, dewaxes after shell is fully hardened, from shell
Remove wax-pattern；It places into and carries out high-temperature roasting in high-temperature roasting furnace；
（5）Pour into a mould molten steel：By roasting shell surrounding filling moulding, the high-temperature molten steel of melting qualification is poured into a mould, in high-temperature molten steel
And under capillary force effect so that coating powder semi-molten and with molten steel phase counterdiffusion, to iron and steel casting surface cladding give birth to
At the coating with wear and corrosion behavior；
（6）Shelling, cleaning：After casting is cooled to room temperature, is shelled, cuts off dead head and removing surface, you can produced
With certain thickness steel substrate surface wear-and corrosion-resistant coating cast；
In step（2）In, the wear-and corrosion-resistant cladding coating powder includes 20-200 μm of nickel-base alloy powder 15wt%- of granularity
70wt%, 20-200 μm of 10wt%-20wt%, 40-150 μm of carbonized titanium powder 10wt%-20wt%, 40-280 μm of tungsten carbide powder ferrochrome powder
2wt%-40wt% and fluxing agent borax powder 2wt%-8wt%.
2. a kind of base steel abrasion-proof anti-corrosion coating Rapid Precision Casting preparation side based on 3D printing according to claim 1
Method, it is characterised in that：In step（2）In, Ball-milling Time is 4-12h to the coating powder in the ball mill.
3. a kind of base steel abrasion-proof anti-corrosion coating Rapid Precision Casting preparation side based on 3D printing according to claim 1
Method, it is characterised in that：In step（3）In, synchronization subregion printing, which refers to each section, is beaten by metallic slurry 3D is cold
Print nozzle and wax-pattern fusion sediment（FDM）Printing head presses step（1）Set respective print area alternates printing, such as
This repeatedly and stacked in multi-layers, obtain coating structure specific region with certain thickness wear-and corrosion-resistant coating, it is internal be wax-pattern casting
Part 3D prototype models.
4. a kind of base steel abrasion-proof anti-corrosion coating Rapid Precision Casting preparation side based on 3D printing according to claim 1
Method, it is characterised in that：In step（3）In, the printing wear-and corrosion-resistant coating layer thickness is determined by cross sectional shape, and coating printing is thick
Degree is 0.5-20mm.
5. a kind of base steel abrasion-proof anti-corrosion coating Rapid Precision Casting preparation side based on 3D printing according to claim 1
Method, it is characterised in that：In step（4）In, the hanging stucco shell uses Ludox or silester for binder making
Coating hanging, per hanging once correspondence spreads one layer of sand, repeatedly carry out 4-6 time, after its drying harden after, shell has made
At；According to different casting, shell sand processed selects one or more of quartz sand, Mo Laisha, emergy, zircon sand and magnesia.
6. a kind of base steel abrasion-proof anti-corrosion coating Rapid Precision Casting preparation side based on 3D printing according to claim 1
Method, it is characterised in that：In step（4）In, shell dewaxing is dewaxed using high pressure steam process or high temperature flash burning method；Institute
The shell high-temperature roasting stated is that the shell after dewaxing is sent directly into roasting in high-temperature roasting furnace, and when roasting is stepped up furnace temperature,
Shell is heated to 800~1100 DEG C.
7. a kind of base steel abrasion-proof anti-corrosion coating Rapid Precision Casting preparation side based on 3D printing according to claim 1
Method, it is characterised in that：In step（5）Described in high-temperature molten steel be carbon steel, it is any in steel alloy, in electric arc furnaces or electric induction furnace
Middle melting.
8. a kind of base steel abrasion-proof anti-corrosion coating Rapid Precision Casting preparation side based on 3D printing according to claim 1
Method, it is characterised in that：The cast(ing) surface wear-and corrosion-resistant coating layer thickness 1-25mm.
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| CN106278206A (en) * | 2016-07-20 | 2017-01-04 | 安徽省春谷3D打印智能装备产业技术研究院有限公司 | Material compositions of cooling water-cooled road anticorrosion scale-deposit-preventing of workpiece and preparation method thereof is printed for 3D |
| CN106187128A (en) * | 2016-07-20 | 2016-12-07 | 安徽省春谷3D打印智能装备产业技术研究院有限公司 | Anticorrosion 3D prints cooling water-cooled road of workpiece and preparation method thereof |
| CN106316372A (en) * | 2016-07-20 | 2017-01-11 | 安徽省春谷3D打印智能装备产业技术研究院有限公司 | Anti-scale cooling water cold way for 3D printing workpiece and preparation method thereof |
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| CN114012101A (en) * | 2021-09-30 | 2022-02-08 | 山西省化工研究所（有限公司） | Preparation method of high-strength high-toughness stainless steel powder for selective laser melting additive manufacturing |
| CN117300111B (en) * | 2023-11-27 | 2024-01-23 | 山东永捷热能科技有限公司 | Casting device and method for producing gas casting silicon-aluminum hot water boiler |
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