CN113245546B - Additive manufactured component and additive manufacturing method thereof - Google Patents
Additive manufactured component and additive manufacturing method thereof Download PDFInfo
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- CN113245546B CN113245546B CN202010101575.8A CN202010101575A CN113245546B CN 113245546 B CN113245546 B CN 113245546B CN 202010101575 A CN202010101575 A CN 202010101575A CN 113245546 B CN113245546 B CN 113245546B
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- 239000000654 additive Substances 0.000 title claims abstract description 55
- 230000000996 additive effect Effects 0.000 title claims abstract description 55
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 52
- 239000000843 powder Substances 0.000 claims abstract description 242
- 239000002994 raw material Substances 0.000 claims abstract description 127
- 239000000470 constituent Substances 0.000 claims abstract description 76
- 239000002184 metal Substances 0.000 claims abstract description 36
- 229910052751 metal Inorganic materials 0.000 claims abstract description 36
- 239000000203 mixture Substances 0.000 claims abstract description 23
- 238000005275 alloying Methods 0.000 claims abstract description 5
- 238000002156 mixing Methods 0.000 claims description 22
- 238000000034 method Methods 0.000 claims description 15
- 238000005245 sintering Methods 0.000 claims description 10
- 238000010309 melting process Methods 0.000 claims description 6
- 238000005253 cladding Methods 0.000 claims description 5
- 238000010894 electron beam technology Methods 0.000 claims description 4
- 238000005304 joining Methods 0.000 claims description 4
- 238000000149 argon plasma sintering Methods 0.000 claims description 3
- 230000001360 synchronised effect Effects 0.000 claims description 3
- 239000000463 material Substances 0.000 abstract description 7
- 239000004482 other powder Substances 0.000 abstract 1
- 239000010410 layer Substances 0.000 description 45
- 238000007639 printing Methods 0.000 description 22
- 239000000919 ceramic Substances 0.000 description 19
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 238000007711 solidification Methods 0.000 description 3
- 230000008023 solidification Effects 0.000 description 3
- 238000010146 3D printing Methods 0.000 description 2
- 238000000498 ball milling Methods 0.000 description 2
- 230000008021 deposition Effects 0.000 description 2
- 238000000713 high-energy ball milling Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000008204 material by function Substances 0.000 description 2
- 238000005551 mechanical alloying Methods 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- 238000001035 drying Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y10/00—Processes of additive manufacturing
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C14/00—Alloys based on titanium
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C21/00—Alloys based on aluminium
- C22C21/02—Alloys based on aluminium with silicon as the next major constituent
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C29/00—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides
- C22C29/02—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides based on carbides or carbonitrides
- C22C29/06—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides based on carbides or carbonitrides based on carbides, but not containing other metal compounds
- C22C29/065—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides based on carbides or carbonitrides based on carbides, but not containing other metal compounds based on SiC
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C29/00—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides
- C22C29/02—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides based on carbides or carbonitrides
- C22C29/06—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides based on carbides or carbonitrides based on carbides, but not containing other metal compounds
- C22C29/067—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides based on carbides or carbonitrides based on carbides, but not containing other metal compounds comprising a particular metallic binder
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Powder Metallurgy (AREA)
Abstract
The additive manufacturing component at least comprises a part with gradient change of composition, more than two powder feeding barrels are used for conveying more than two raw material powders on line synchronously, the two raw material powders are solidified, sintered and clad layer by layer through additive manufacturing equipment, at least one of the raw material powders in one powder feeding barrel comprises at least a first composition component and a second composition component, at least one of the first composition component and the second composition component is contained in the raw material powder in the other powder feeding barrel, and the part with gradient change of the first composition component and the second composition component is obtained by adopting the more than two powder feeding barrels to convey more than two raw material powders on line synchronously, and the two raw material powders are solidified, sintered and clad layer by layer through the additive manufacturing equipment. According to the scheme provided by the invention, a more uniform tissue structure is obtained, and for the functional material containing metal, a certain proportion of constituent components which need to be converted are combined in advance through metal alloying treatment, so that the mechanical property of the obtained product is better.
Description
Technical Field
The invention relates to the technical field of additive manufacturing, in particular to a component for additive manufacturing and an additive manufacturing method thereof.
Background
The method for manufacturing the functional material with the gradient by adopting the additive manufacturing method is a method developed in recent years, and Chinese patent publication No. CN103317590A discloses a method for printing ceramic functional gradient structural members by using laser 3D, wherein the functional gradient structural members are formed by using different ceramic powders as raw materials by utilizing a laser 3D printing system, and the method comprises the following specific steps of: drying two or more ceramic powders, respectively placing the dried ceramic powders into different powder barrels of a powder feeder, taking inert gas as powder feeding and protective gas, forming a molten pool on a substrate or a previous deposition layer by using a high-energy laser beam, melting the ceramic powders injected into the molten pool, obtaining a designed single-layer profile along with the movement of a laser head, obtaining a final ceramic structure by a layer-by-layer deposition mode, and changing component proportions in real time by controlling the powder feeding amount of different powders in the forming process so as to realize gradient change of material components and functions of each position of a ceramic structural member.
The above patent discloses a method for laser 3D printing ceramic functionally gradient structural member, which uses the idea of changing the component proportion in real time by controlling the powder feeding amount of different powders to gradually start to be applied to additive manufacturing including metal materials, and sequentially presents some prior arts, chinese patent publication No. CN104439243a relates to preparing metal gradient materials by using the same idea, chinese patent publication No. CN103121103a relates to preparing metal-ceramic multi-dimensional functionally gradient structural member by using the same idea, but at present, there is a problem that the application of the technology has uniformity of mixing different powder components because the components need to be strictly placed in different powder barrels in advance in order to realize different components with varying proportions, and mixing is started when the components are conveyed by a pipeline, so that not only is it not easy to fully mix the components in a short mixing time, but also the difference of the initial states of the powder materials can hinder mixing of different components. In addition to uniformity of mixing, most functional materials, particularly metallic functional materials, require the intrinsic properties of the different components to achieve sufficient molecular or atomic level bonding, chemical combination or crystalline transformation, and act synergistically to achieve uniformity of mixing alone that is insufficient to produce good quality products.
Disclosure of Invention
In order to solve the technical problems, the invention provides a component for additive manufacturing and an additive manufacturing method thereof, wherein components of a ratio are required to be changed in additive manufacturing through a pre-mixing or combining part, and then the pre-mixing or combining components and other single components or combined components with different compositions are used for carrying out layer-by-layer ratio change, so that gradient change of the components is realized, the uniformity of component mixing can be obviously improved, and particularly, for metal components, the pre-combining of different components can be realized according to the performance requirements of products.
The object of the invention is achieved by the following technical scheme.
A component for additive manufacturing, at least comprising a part with gradient change of constituent components, wherein the part with gradient change of constituent components is obtained by adopting more than two powder feeding barrels to synchronously convey more than two kinds of raw material powder layer by layer through additive manufacturing equipment, the constituent components at least comprise a first constituent component and a second constituent component, the more than two kinds of raw material powder at least comprise a first raw material powder and a second raw material powder, the more than two powder feeding barrels at least comprise a first powder feeding barrel for holding the first raw material powder and a second powder feeding barrel for holding the second raw material powder, at least comprise the first constituent component and the second constituent component in the first raw material powder feeding barrel at the same time, and at least comprise one of the first constituent component and the second constituent component in the second raw material powder feeding barrel, and the first raw material powder and the second raw material powder are synchronously conveyed on line through the first powder feeding barrel and the second powder feeding barrel to synchronously convey the first raw material powder and the second raw material powder layer by layer through additive manufacturing equipment, and the first constituent component and the second constituent component are solidified layer by layer.
According to the additive manufactured component, the first raw material powder in the first powder feeding barrel comprises a first component and a second component at the same time, and the second raw material powder in the second powder feeding barrel comprises one of the first component and the second component.
According to the additive manufactured component, the first raw material powder in the first powder feeding barrel comprises a first component and a second component at the same time, and the second raw material powder in the second powder feeding barrel comprises the first component and the second component at the same time.
According to the additive manufactured member, the simultaneous inclusion of the first constituent component and the second constituent component is achieved by pre-mixing the first constituent component and the second constituent component or pre-combining the first constituent component and the second constituent component.
According to the additive manufactured component, the first constituent component and the second constituent component include metal components, and the simultaneous inclusion of the first constituent component and the second constituent component is achieved by preliminarily combining the first constituent component and the second constituent component.
The component manufactured according to the above-mentioned additive, said pre-bonding means being a metal alloying treatment.
An additive manufacturing method of the above member, comprising:
step S, more than two powder feeding barrels are adopted to synchronously convey more than two raw material powders on line, and the raw material powders are subjected to layer-by-layer solidification/sintering/cladding by additive manufacturing equipment to manufacture parts with gradient change of constituent components;
the composition comprises at least a first composition and a second composition, wherein the two or more raw material powders at least comprise a first raw material powder and a second raw material powder, and the two or more powder feeding barrels at least comprise a first powder feeding barrel for containing the first raw material powder and a second powder feeding barrel for containing the second raw material powder;
the first raw material powder in the first powder feeding barrel at least comprises a first component and a second component at the same time, the second raw material powder in the second powder feeding barrel at least comprises one of the first component and the second component, and the first raw material powder and the second raw material powder are synchronously conveyed on line through the first powder feeding barrel and the second powder feeding barrel, and are solidified/sintered/clad layer by layer through additive manufacturing equipment to obtain parts with gradient changes of the first component and the second component.
According to the additive manufacturing method described above, the first constituent component and the second constituent component include a metal component, and further include, before the step S:
in step S', the raw material powder including both the first constituent component and the second constituent component is obtained by mixing the first constituent component and the second constituent component in advance or by combining the first constituent component and the second constituent component in advance.
According to the additive manufacturing method described above, in the step S', the raw material powder including both the first constituent component and the second constituent component is obtained by preliminarily joining the first constituent component and the second constituent component, the preliminarily joining being a metal alloying treatment.
According to the additive manufacturing method, the additive manufacturing method adopts a laser sintering/melting process or an electron beam sintering/melting process of synchronously feeding powder.
The invention achieves the following technical effects.
In the prior art, no matter a ceramic functional gradient structural member, a metal gradient metal structural member or a metal-ceramic multi-dimensional functional gradient structural member is manufactured, different components are strictly placed in different powder barrels in advance when the component proportion is changed in real time by controlling the powder feeding amount of different powders in the forming process, and are mixed only when the components are conveyed through a pipeline, so that the components are not easy to fully mix within a short mixing time, and the mixing of the different components is hindered by the difference of the initial states of the powder materials.
Drawings
Fig. 1 shows the powder composition proportioning principle of the prior art for preparing the functionally graded structural member.
FIG. 2 shows a powder composition proportioning principle for preparing the functionally graded structural member according to the present invention.
FIG. 3 shows another powder composition proportioning principle for preparing the functionally graded structural member according to the present invention.
Detailed Description
The present invention will be further described with reference to the following specific embodiments, in which the simplest examples of conveying two raw material powders by using two powder conveying drums are only exemplified for achieving the technical object of the present invention, in order to facilitate the more detailed description of the technical solution of the present invention. The following are provided:
the component for additive manufacturing comprises a part with gradient change of constituent components, wherein the part with gradient change of constituent components is obtained by carrying two raw material powders on line and synchronously through layer-by-layer solidification/sintering/cladding by additive manufacturing equipment, the constituent components at least comprise a first constituent component and a second constituent component, the two raw material powders comprise a first raw material powder and a second raw material powder, the two powder feeding barrels comprise a first powder feeding barrel for containing the first raw material powder and a second powder feeding barrel for containing the second raw material powder, the first raw material powder in the first powder feeding barrel at least comprises a first component and a second component at the same time, the second raw material powder in the second powder feeding barrel at least comprises one of the first component and the second component, and the first raw material powder and the second raw material powder are synchronously conveyed on line through the first powder feeding barrel and the second powder feeding barrel, and are solidified/sintered/clad layer by layer through additive manufacturing equipment to obtain parts with gradient changes of the first component and the second component.
In one embodiment, as shown in fig. 2, the first raw material powder in the first powder feeding barrel includes both the first constituent and the second constituent, and the second raw material powder in the second powder feeding barrel includes one of the first constituent and the second constituent.
In one embodiment, as shown in fig. 3, the first raw material powder in the first powder feeding barrel includes both the first constituent and the second constituent, and the second raw material powder in the second powder feeding barrel also includes both the first constituent and the second constituent.
An additive manufacturing method of the above member, comprising:
step S, two raw material powders are synchronously conveyed on line by adopting two powder conveying barrels, and a part with gradient change of constituent components is manufactured by layer-by-layer solidification/sintering/cladding through additive manufacturing equipment;
the two raw material powders comprise first raw material powder and second raw material powder, and the two powder feeding barrels comprise a first powder feeding barrel for containing the first raw material powder and a second powder feeding barrel for containing the second raw material powder;
the first raw material powder in the first powder feeding barrel at least comprises a first component and a second component at the same time, the second raw material powder in the second powder feeding barrel at least comprises one of the first component and the second component, and the first raw material powder and the second raw material powder are synchronously conveyed on line through the first powder feeding barrel and the second powder feeding barrel, and are solidified/sintered/clad layer by layer through additive manufacturing equipment to obtain parts with gradient changes of the first component and the second component.
According to the additive manufacturing method, the additive manufacturing method adopts a laser sintering/melting process or an electron beam sintering/melting process of synchronously feeding powder.
Two more specific embodiments are described below, respectively.
Example 1
The metal-ceramic component for additive manufacturing comprises a metal-ceramic part with a gradient change of constituent components, wherein the metal-ceramic part with the gradient change of constituent components is obtained by sintering layer by adopting two powder feeding barrels to synchronously convey two raw material powders on line through laser additive manufacturing equipment for synchronously feeding powder, the constituent components comprise a metal component M and a ceramic component C, the two raw material powders comprise a first raw material powder and a second raw material powder, the two powder feeding barrels comprise a first powder feeding barrel for containing the first raw material powder and a second powder feeding barrel for containing the second raw material powder, the first raw material powder in the first powder feeding barrel comprises the metal component M and the ceramic component C at the same time, the second raw material powder in the second powder feeding barrel only comprises the metal component M, and the metal component C is obtained by sintering layer by adopting the first powder feeding barrel and the second powder feeding barrel to synchronously convey the first raw material powder and the second raw material powder through laser additive manufacturing equipment for synchronously feeding the first raw material powder and the second raw material powder on line.
For example, the metal component M is Al, the ceramic component C is SiC, and the first raw material powder in the first powder feeding barrel includes Al and SiC at the same time, wherein the weight fraction of Al is 20%, so that the printing layer with the weight fraction of Al being 20% can be obtained by directly printing the first raw material powder in the first powder feeding barrel, in the next gradient printing layer (each gradient printing layer does not have to have only one layer), the printing layer with the weight fraction of Al being 40% needs to be printed, the first raw material powder and the second raw material powder are synchronously conveyed on line by adopting the first powder feeding barrel and the second powder feeding barrel, and as only Al in the second raw material powder, the weight fraction of Al in the synchronously conveyed powder is necessarily greater than 20% of that in the first raw material powder, the powder feeding speed of the first raw material powder and the second raw material powder is controlled according to the powder mixing ratio calculated in advance, the printing layer with the weight fraction of Al being 40% can be directionally obtained, then, when the printing layer with the next gradient printing layer needs to be printed on line by synchronously conveying the first raw material powder and the second raw material powder, the printing layer with the weight fraction of Al needs to be changed to be the highest in order of the printing layer with the weight fraction of Al being 60% can be obtained sequentially.
In manufacturing the above al—sic metal-ceramic member, including both the metal component Al and the ceramic component SiC in the first raw material powder, may be prepared by stirring and mixing the SiC powder with the Al powder or by a mechanical alloying method such as a liquid nitrogen ball milling method or a high-energy ball milling method.
Example 2
The metal component for additive manufacturing comprises a part with gradient change of constituent components, wherein the part with gradient change of constituent components is obtained by adopting two powder feeding barrels to synchronously convey two raw material powders on line and sintering the two raw material powders layer by a laser additive manufacturing device with synchronous powder feeding, the constituent components comprise a metal component M1 and a metal component M2, the two raw material powders comprise a first raw material powder and a second raw material powder, the two powder feeding barrels comprise a first powder feeding barrel for containing the first raw material powder and a second powder feeding barrel for containing the second raw material powder, the first raw material powder in the first powder feeding barrel comprises a metal component M1 and a metal component M2 at the same time, the second raw material powder in the second powder feeding barrel also comprises a metal component M1 and a metal component M2 at the same time, but the relative proportions of the metal component M1 and the metal component M2 in the first raw material powder and the second raw material powder are different, and the first raw material powder and the second raw material powder are fed synchronously on line through the first powder feeding barrel and the second powder feeding barrel, and the part of the metal component M1 and the metal component M2 which are changed in gradient is obtained through layer by layer cladding through a laser additive manufacturing device for synchronously feeding the powder.
For example, the metal component M1 is Ni, the metal component M2 is Ti, the first raw material powder in the first powder feeding barrel includes Ni and Ti at the same time, wherein the weight fraction of Ni is 20%, the first raw material powder in the second powder feeding barrel also includes Ni and Ti at the same time, but the weight fraction of Ni is 80%, then the printing layer with 20% weight fraction of Ni can be obtained by directly printing the first raw material powder in the first powder feeding barrel, in the printing layer with the next gradient (each gradient of the printing layer is not necessarily only one layer), the printing layer with 40% weight fraction of Ni needs to be printed, the first raw material powder and the second raw material powder are synchronously transported on line by adopting the first powder feeding barrel and the second powder feeding barrel, the weight fraction of Ni in the synchronously transported powder is necessarily greater than 20% of the weight fraction of Ni in the first raw material powder, the printing layer with the next gradient of the first raw material powder needs to be obtained by controlling the powder feeding speed of the first raw material powder and the second raw material powder according to the pre-calculated powder mixing ratio, the printing layer with the next gradient of the required printing layer with 40% weight fraction of Ni can be obtained by orientation, the printing layer with the next gradient of the required to be obtained by continuously transporting the first raw material powder with the highest weight fraction of Ni is required to be transported to the first raw material powder with the highest 80%, and the printing layer with the weight fraction of the required to be obtained by the first raw material powder is required to be transported to be at the highest 80% weight fraction is required, and the printing layer is required to be transported, and the final is changed to be the highest to be printed with the quality according to the weight ratio is required to the quality is required to be printed with the quality is required to be printed.
In manufacturing the above-described ni—ti metal member, including both the metal component Ni and the metal component Ti in the first raw material powder and the second raw material powder, may be prepared by stirring and mixing the Ni powder with the Ti powder or by a mechanical alloying method such as a liquid nitrogen ball milling method or a high energy ball milling method.
In the above embodiment, the components of the ratio are required to be changed in the additive manufacturing by pre-mixing or combining the components, and then the pre-mixing or combining components and other single components or combined components with different compositions are used to perform the layer-by-layer ratio change, so that the gradient change of the components is realized, the uniformity of component mixing is remarkably improved, the product tissue structure is excellent, and the functional material containing metal is pre-combined with the components of the ratio required to be changed by metal alloying treatment, so that the full molecular-level or atomic-level combination, chemical combination or crystalline transformation is realized, and the obtained product has excellent mechanical properties.
The present invention is not limited to the above-mentioned embodiments, and any changes or substitutions that can be easily understood by those skilled in the art within the scope of the present invention are intended to be included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (6)
1. A method of additive manufacturing a member including at least a portion having a gradient of a constituent composition, comprising:
step S, more than two powder feeding barrels are adopted to synchronously convey more than two raw material powders on line, and the raw material powders are solidified and manufactured layer by layer through additive manufacturing equipment to form a part with gradient components;
the composition comprises at least a first composition and a second composition, wherein the two or more raw material powders at least comprise a first raw material powder and a second raw material powder, and the two or more powder feeding barrels at least comprise a first powder feeding barrel for containing the first raw material powder and a second powder feeding barrel for containing the second raw material powder;
the first raw material powder in the first powder feeding barrel at least comprises a first component and a second component at the same time, and the second raw material powder in the second powder feeding barrel comprises one of the first component and the second component; or, the first raw material powder in the first powder feeding barrel comprises at least a first component and a second component at the same time, and the second raw material powder in the second powder feeding barrel also comprises the first component and the second component at the same time, but the relative proportion of the first component and the second component in the first raw material powder is different;
the first raw material powder and the second raw material powder are conveyed on line and synchronously by adopting the first powder conveying barrel and the second powder conveying barrel, and are solidified layer by additive manufacturing equipment to obtain a part with gradient change of a first composition component and a second composition component;
the simultaneous inclusion of the first constituent component and the second constituent component is achieved by pre-mixing the first constituent component and the second constituent component or pre-combining the first constituent component and the second constituent component.
2. Additive manufacturing method according to claim 1, characterized in that the layer-by-layer curing is layer-by-layer sintering or cladding.
3. Additive manufacturing method according to claim 1, characterized in that: the first constituent component and the second constituent component each include a metal component, and further include, prior to the step S: in step S', the raw material powder including both the first constituent component and the second constituent component is obtained by mixing the first constituent component and the second constituent component in advance or by combining the first constituent component and the second constituent component in advance.
4. A method of additive manufacturing according to claim 3, wherein: in the step S', the raw material powder including both the first constituent component and the second constituent component is obtained by preliminarily joining the first constituent component and the second constituent component, the preliminarily joining being a metal alloying treatment.
5. Additive manufacturing method according to any one of claims 1-4, characterized in that: the additive manufacturing method adopts a laser sintering process with synchronous powder feeding or a laser melting process with synchronous powder feeding.
6. Additive manufacturing method according to any one of claims 1-4, characterized in that: the additive manufacturing method adopts an electron beam sintering process for synchronously feeding powder or an electron beam melting process for synchronously feeding powder.
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| CN113245546B true CN113245546B (en) | 2024-03-19 |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103121103A (en) * | 2013-03-01 | 2013-05-29 | 大连理工大学 | Laser near-net shaping method for metal-ceramic multi-dimensional functionally-graded structural component |
| CN103317590A (en) * | 2013-06-26 | 2013-09-25 | 大连理工大学 | Laser 3D (three-dimensional) printing method of ceramic functional gradient component |
| CN104439243A (en) * | 2015-01-06 | 2015-03-25 | 彭晓领 | Laser 3D printing manufacturing method of metal gradient material |
| CN105695982A (en) * | 2016-01-25 | 2016-06-22 | 西安交通大学 | Additive manufacturing method for electrical contact made of copper-tungsten functionally gradient material |
-
2020
- 2020-02-10 CN CN202010101575.8A patent/CN113245546B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103121103A (en) * | 2013-03-01 | 2013-05-29 | 大连理工大学 | Laser near-net shaping method for metal-ceramic multi-dimensional functionally-graded structural component |
| CN103317590A (en) * | 2013-06-26 | 2013-09-25 | 大连理工大学 | Laser 3D (three-dimensional) printing method of ceramic functional gradient component |
| CN104439243A (en) * | 2015-01-06 | 2015-03-25 | 彭晓领 | Laser 3D printing manufacturing method of metal gradient material |
| CN105695982A (en) * | 2016-01-25 | 2016-06-22 | 西安交通大学 | Additive manufacturing method for electrical contact made of copper-tungsten functionally gradient material |
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