CN108660375A - A kind of application of metal powder material in 3D printing - Google Patents
A kind of application of metal powder material in 3D printing Download PDFInfo
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- CN108660375A CN108660375A CN201810508707.1A CN201810508707A CN108660375A CN 108660375 A CN108660375 A CN 108660375A CN 201810508707 A CN201810508707 A CN 201810508707A CN 108660375 A CN108660375 A CN 108660375A
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- Prior art keywords
- iron
- printing
- base powder
- carbon dust
- powder
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- 239000000843 powder Substances 0.000 title claims abstract description 75
- 229910052751 metal Inorganic materials 0.000 title claims abstract description 27
- 239000002184 metal Substances 0.000 title claims abstract description 25
- 238000010146 3D printing Methods 0.000 title claims abstract description 24
- 239000000463 material Substances 0.000 title claims abstract description 24
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 84
- 229910052742 iron Inorganic materials 0.000 claims abstract description 39
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 28
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 20
- 239000000428 dust Substances 0.000 claims abstract description 20
- 238000002156 mixing Methods 0.000 claims abstract description 10
- 239000012535 impurity Substances 0.000 claims abstract description 8
- 239000004615 ingredient Substances 0.000 claims abstract description 8
- 239000000956 alloy Substances 0.000 claims description 14
- 229910045601 alloy Inorganic materials 0.000 claims description 14
- 238000005238 degreasing Methods 0.000 claims description 5
- 239000011230 binding agent Substances 0.000 claims description 3
- WHNWPMSKXPGLAX-UHFFFAOYSA-N N-Vinyl-2-pyrrolidone Chemical compound C=CN1CCCC1=O WHNWPMSKXPGLAX-UHFFFAOYSA-N 0.000 claims description 2
- 235000013855 polyvinylpyrrolidone Nutrition 0.000 claims description 2
- 229920000036 polyvinylpyrrolidone Polymers 0.000 claims description 2
- 229940069328 povidone Drugs 0.000 claims description 2
- 238000007639 printing Methods 0.000 abstract description 3
- 238000005245 sintering Methods 0.000 abstract description 3
- 238000009472 formulation Methods 0.000 abstract description 2
- 239000011159 matrix material Substances 0.000 abstract description 2
- 239000000203 mixture Substances 0.000 abstract description 2
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 24
- 239000007789 gas Substances 0.000 description 24
- 239000002994 raw material Substances 0.000 description 15
- 229910052786 argon Inorganic materials 0.000 description 12
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 8
- 239000012159 carrier gas Substances 0.000 description 8
- 229910052804 chromium Inorganic materials 0.000 description 8
- 229910052749 magnesium Inorganic materials 0.000 description 8
- 229910052710 silicon Inorganic materials 0.000 description 8
- 239000007787 solid Substances 0.000 description 8
- 229910052712 strontium Inorganic materials 0.000 description 8
- 229910052719 titanium Inorganic materials 0.000 description 8
- 229910052720 vanadium Inorganic materials 0.000 description 8
- 238000002360 preparation method Methods 0.000 description 6
- 238000001816 cooling Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 238000000227 grinding Methods 0.000 description 4
- 229910052748 manganese Inorganic materials 0.000 description 4
- 238000002844 melting Methods 0.000 description 4
- 230000008018 melting Effects 0.000 description 4
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 4
- 229910052753 mercury Inorganic materials 0.000 description 4
- 238000000926 separation method Methods 0.000 description 4
- 239000000112 cooling gas Substances 0.000 description 3
- 239000007769 metal material Substances 0.000 description 3
- 238000000520 microinjection Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
Classifications
-
- B22F1/0003—
-
- 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
- B22F9/00—Making metallic powder or suspensions thereof
- B22F9/02—Making metallic powder or suspensions thereof using physical processes
- B22F9/04—Making metallic powder or suspensions thereof using physical processes starting from solid material, e.g. by crushing, grinding or milling
-
- 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
- B33Y70/00—Materials specially adapted for additive manufacturing
-
- 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
- C22C38/002—Ferrous alloys, e.g. steel alloys containing In, Mg, or other elements not provided for in one single group C22C38/001 - C22C38/60
-
- 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
-
- 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
- C22C38/12—Ferrous alloys, e.g. steel alloys containing tungsten, tantalum, molybdenum, vanadium, or niobium
-
- 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
- C22C38/14—Ferrous alloys, e.g. steel alloys containing titanium or zirconium
-
- 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
-
- 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
- C22C38/24—Ferrous alloys, e.g. steel alloys containing chromium with vanadium
-
- 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
- C22C38/28—Ferrous alloys, e.g. steel alloys containing chromium with titanium or zirconium
-
- 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
- B22F9/04—Making metallic powder or suspensions thereof using physical processes starting from solid material, e.g. by crushing, grinding or milling
- B22F2009/041—Making metallic powder or suspensions thereof using physical processes starting from solid material, e.g. by crushing, grinding or milling by mechanical alloying, e.g. blending, milling
Abstract
The present invention relates to a kind of application of metal powder material in 3D printing, it is by iron(-)base powder and carbon dust in mass ratio 100 ~ 400：1 mixing obtains, and the grain size of the iron(-)base powder is 20 ~ 60 μm, and the grain size of the carbon dust is 50nm ~ 2 μm, and the iron(-)base powder includes the ingredient of following weight percentage：C0.01 ~ 0.03%, Si0.5 ~ 1%, Mn0.1 ~ 0.3%, Ti3 ~ 5%, Mg0.2 ~ 0.5%, V0.15 ~ 0.2%；Cr0.1~0.15%；Sr0.01~0.05%；Surplus is Fe and inevitable impurity.It is mixed in proportion with carbon dust by using the iron(-)base powder of special formulation, among capable of ensuring that metallic element will not be oxidized in high temperature sintering and the Fe of high-content and Ti is made to be filled in the hole of matrix in this way, to which the density of sintered body can be improved, the printing product of high intensity is obtained.
Description
It is on 08 16th, 2016 that the present invention, which is the applying date, entitled " a kind of application No. is 201610711912.9
The divisional application of the patent of invention of metal powder material and preparation method thereof for 3D printing ".
Technical field
The invention belongs to metal material fields, and in particular to a kind of application of metal powder material in 3D printing.
Background technology
In many materials of 3D printing, metal material is the material being most widely used.The 3D of metal material is beaten at present
Main selective laser sintered, the DIRECT ENERGY deposition of impression method, micro-injection bonding etc..In contrast, micro-injection bonds this
The cost of method is relatively low, and technique is simpler, has a good application prospect.This method is using nozzle according to certain path
Powder on certain position is bonded by the jet binder on the metal powder completed, and forms one layer of three-dimensional structure profile.
Then one layer of new metal powder is repaved, then carries out injection bonding.Such multi-layer bonded superposition, it will be able to obtain three-dimensional bonding
Green body.The blank density of this bonding is low, intensity is small, it is also necessary to carry out degreasing, sintering can obtain certain density, intensity
3 D-printing product.However, existing powder is easy to cause cohesive force difference so that density is relatively low after bonding base substrate degreasing, hole
It is more.
Invention content
A kind of metal powder material for 3D printing is provided the invention aims to overcome the deficiencies in the prior art.
In order to achieve the above objectives, the technical solution adopted in the present invention is：A kind of metal powder material for 3D printing, it by
Iron(-)base powder and carbon dust in mass ratio 100~400：1 mixing obtains, and the grain size of the iron(-)base powder is 20~60 μ
The grain size of m, the carbon dust are 50nm~2 μm, and the iron(-)base powder includes the ingredient of following weight percentage：
Surplus is Fe and inevitable impurity.
Optimally, the iron(-)base powder includes the ingredient of following weight percentage：
Surplus is Fe and inevitable impurity.
Another object of the present invention is to provide a kind of preparation method of the above-mentioned metal powder material for 3D printing, it includes
Following steps：
(a) it is made into ferrous alloy raw material powder with the raw material containing C, Si, Mn, Ti, Mg, V, Cr, Sr, Fe element；
(b) it uses hydrogen or argon gas that the ferrous alloy raw material powder is sent into plasma torch as carrier gas to vaporize
Melting forms alloy body；0.2~1m of flow of the carrier gas3/ h, rate of feed are 1~20g/min；
(c) heat exchange is carried out to the alloy body with cooling air, forms minute spherical iron(-)base powder, the cooling air
Flow is 1~15m3/h；
(d) iron(-)base powder is imported into gas solid separation room and collects solid powder；
(e) after the iron(-)base powder being mixed with the carbon dust by recipe ratio, grinding.
Optimally, the power of the plasma torch is 5~15kW, and generation gas is 5~10m of flow3The argon gas of/h, side gas
For 5~20m of flow3The argon gas of/h, pressure limit are negative pressure 100~150mm mercury column.
Since above-mentioned technical proposal is used, the present invention has following advantages compared with prior art：The present invention is beaten for 3D
The metal powder material of print is mixed by using the iron(-)base powder of special formulation with carbon dust, can be ensured so in proportion
Among metallic element will not be oxidized in high temperature sintering and the Fe of high-content and Ti made to be filled in the hole of matrix, so as to
The density for improving sintered body, obtains the printing product of high intensity.
Specific implementation mode
The preferred embodiment of the invention will be described in detail below.
Embodiment 1
The present embodiment provides a kind of metal powder material for 3D printing, it by iron(-)base powder and carbon dust in mass ratio
100：1 mixing obtains, and the average grain diameter of iron(-)base powder is 20 μm, and the average grain diameter of carbon dust is 50nm, iron(-)base powder
Include the ingredient of following weight percentage：0.01%C, 1%Si, 0.3Mn, 5%Ti, 0.2%Mg, 0.2%V, 0.1%Cr,
0.05%Sr, surplus are Fe and inevitable impurity.
The preparation method of the above-mentioned metal powder material for 3D printing, it includes the following steps：
(a) ferrous alloy raw material powder is made into (according to member with the raw material containing C, Si, Mn, Ti, Mg, V, Cr, Sr, Fe element
Element selects corresponding raw material for the common knowledge of those skilled in the art)；
(b) it uses argon gas that ferrous alloy raw material powder is sent into plasma torch as carrier gas and vaporizes melting, formed and closed
Jin Ti；The flow 0.2m of carrier gas3/ h, rate of feed 1g/min；The power of the plasma torch is 5kW, and it is stream that gas, which occurs,
Measure 5m3The argon gas of/h, side gas are flow 5m3The argon gas of/h, pressure limit are negative pressure 100mm mercury column；
(c) heat exchange is carried out to alloy body with cooling air, forms minute spherical iron(-)base powder, the cooling gas flow
For 1m3/h；
(d) iron(-)base powder is imported into gas solid separation room and collects solid powder；
(e) after mixing the iron(-)base powder by recipe ratio with the carbon dust, grinding is uniform.
Embodiment 2
The present embodiment provides a kind of metal powder material for 3D printing, it by iron(-)base powder and carbon dust in mass ratio
400：1 mixing obtains, and the average grain diameter of iron(-)base powder is 60 μm, and the average grain diameter of carbon dust is 2 μm, iron(-)base powder packet
Include the ingredient of following weight percentage：0.03%C, 0.5%Si, 0.1Mn, 3%Ti, 0.5%Mg, 0.15%V, 0.15%
Cr, 0.01%Sr, surplus are Fe and inevitable impurity.
The preparation method of the above-mentioned metal powder material for 3D printing, it includes the following steps：
(a) ferrous alloy raw material powder is made into (according to member with the raw material containing C, Si, Mn, Ti, Mg, V, Cr, Sr, Fe element
Element selects corresponding raw material for the common knowledge of those skilled in the art)；
(b) it uses argon gas that ferrous alloy raw material powder is sent into plasma torch as carrier gas and vaporizes melting, formed and closed
Jin Ti；The flow 1m of carrier gas3/ h, rate of feed 20g/min；The power of the plasma torch is 15kW, and it is stream that gas, which occurs,
Measure 10m3The argon gas of/h, side gas are flow 20m3The argon gas of/h, pressure limit are negative pressure 150mm mercury column；
(c) heat exchange is carried out to alloy body with cooling air, forms minute spherical iron(-)base powder, the cooling gas flow
For 15m3/h；
(d) iron(-)base powder is imported into gas solid separation room and collects solid powder；
(e) after mixing the iron(-)base powder by recipe ratio with the carbon dust, grinding is uniform.
Embodiment 3
The present embodiment provides a kind of metal powder material for 3D printing, it by iron(-)base powder and carbon dust in mass ratio
200：1 mixing obtains, and the average grain diameter of iron(-)base powder is 50 μm, and the average grain diameter of carbon dust is 1 μm, iron(-)base powder packet
Include the ingredient of following weight percentage：0.02%C, 0.8%Si, 0.1Mn, 5%Ti, 0.2%Mg, 0.15%V, 0.1%Cr,
0.02%Sr, surplus are Fe and inevitable impurity.
The preparation method of the above-mentioned metal powder material for 3D printing, it includes the following steps：
(a) ferrous alloy raw material powder is made into (according to member with the raw material containing C, Si, Mn, Ti, Mg, V, Cr, Sr, Fe element
Element selects corresponding raw material for the common knowledge of those skilled in the art)；
(b) it uses argon gas that ferrous alloy raw material powder is sent into plasma torch as carrier gas and vaporizes melting, formed and closed
Jin Ti；The flow 0.5m of carrier gas3/ h, rate of feed 15g/min；The power of the plasma torch is 12kW, and gas occurs and is
Flow 8m3The argon gas of/h, side gas are flow 15m3The argon gas of/h, pressure limit are negative pressure 120mm mercury column；
(c) heat exchange is carried out to alloy body with cooling air, forms minute spherical iron(-)base powder, the cooling gas flow
For 10m3/h；
(d) iron(-)base powder is imported into gas solid separation room and collects solid powder；
(e) after mixing the iron(-)base powder by recipe ratio with the carbon dust, grinding is uniform.
Embodiment 4
The present embodiment provides a kind of metal powder material for 3D printing, preparation method with it is almost the same in embodiment 3,
It is by iron(-)base powder and carbon dust in mass ratio 250：1 mixing obtains, and the average grain diameter of iron(-)base powder is 50 μm, carbon dust
Average grain diameter be 1 μm, unlike：Iron(-)base powder includes the ingredient of following weight percentage：0.02%C, 0.8%
Si, 0.2Mn, 4%Ti, 0.3%Mg, 0.18%V, 0.12%Cr, 0.03%Sr, surplus are Fe and inevitable impurity.
Metal powder material obtained for 3D printing in embodiment 1 to embodiment 4 is subjected to 3D printing and is formed in substrate
Surface, with specific reference to existing skill step：
(a) using the binder microlayer model for successively spraying aqueous povidone solution, then successively it is superimposed metal powder
The 3D printing method of material obtains 5 × 5 × 5mm of one kind of this metal forming powder3The three-dimensional bonding green body of cube structure；
(b) bonding green body after molding carries out degreasing sintered again, degreasing is first carried out at 600 DEG C or less, then in vacuum shape
It is gradually heating to 1350 DEG C under state to be sintered, obtains 3D printing product.The performance for measuring 3D printing product is listed in Table 1 below.
The performance of 3D printing product is made in the metal powder material obtained for 3D printing in 1 embodiment 1 to embodiment 4 of table
The above embodiments merely illustrate the technical concept and features of the present invention, and its object is to allow person skilled in the art
Scholar cans understand the content of the present invention and implement it accordingly, and it is not intended to limit the scope of the present invention.It is all according to the present invention
Equivalent change or modification made by Spirit Essence, should be covered by the protection scope of the present invention.
Claims (1)
1. a kind of application of metal powder material in 3D printing, which is characterized in that it includes the following steps：
（a）The binder microlayer model of aqueous povidone solution is successively sprayed, and is successively superimposed metal powder material, to obtain 5
×5×5mm3The three-dimensional bonding green body of cube structure；
（b）The bonding green body is subjected to degreasing at 600 DEG C, is then sintered under vacuum conditions in 1350 DEG C, 3D is obtained
Print product；
The metal powder material is by iron(-)base powder and carbon dust in mass ratio 100 ~ 400：1 mixing obtains, the fe-based alloy powder
The grain size at end is 20 ~ 60 μm, and the grain size of the carbon dust is 50nm ~ 2 μm, and the iron(-)base powder includes that following weight percent contains
The ingredient of amount：
C 0.01 ~ 0.03%,
Si 0.5 ~ 1%,
Mn 0.1 ~ 0.3%,
Ti 3 ~ 5%,
Mg 0.2 ~ 0.5%,
V 0.15~0.2%；
Cr 0.1~0.15%；
Sr 0.01~0.05%；
Surplus is Fe and inevitable impurity.
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| CN201810508707.1A CN108660375A (en) | 2016-08-16 | 2016-08-16 | A kind of application of metal powder material in 3D printing |
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| CN201610711912.9A CN106141169B (en) | 2016-08-16 | 2016-08-16 | A kind of metal powder material and preparation method thereof for 3D printing |
| CN201810508707.1A CN108660375A (en) | 2016-08-16 | 2016-08-16 | A kind of application of metal powder material in 3D printing |
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| CN106903303A (en) * | 2017-03-15 | 2017-06-30 | 铜陵元精工机械有限公司 | A kind of high duty metal powder and its technique for being applied to Selective Laser Sintering |
| US11465209B2 (en) | 2018-05-10 | 2022-10-11 | Stackpole International Powder Metal LLC | Binder jetting and supersolidus sintering of ferrous powder metal components |
| CN110129787B (en) * | 2019-05-28 | 2021-06-04 | 浙江工业大学 | Laser repairing method for nodular cast iron |
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| CN104227006A (en) * | 2014-08-26 | 2014-12-24 | 苏州智研新材料科技有限公司 | Method for preparing fine spherical stainless steel powder |
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| CN105364065A (en) * | 2015-11-19 | 2016-03-02 | 东莞劲胜精密组件股份有限公司 | Metal powder material for 3D printing, preparation method of metal powder material and 3D printing method |
| CN105734407A (en) * | 2016-04-28 | 2016-07-06 | 武汉钢铁股份有限公司 | Novel ultra-thin microalloy high-strength steel and preparation method thereof |
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| JP4305137B2 (en) * | 2003-11-10 | 2009-07-29 | 大同特殊鋼株式会社 | Ferritic free-cutting stainless steel with excellent surface finish roughness and outgas resistance |
| CN103386492A (en) * | 2013-07-19 | 2013-11-13 | 江西悦安超细金属有限公司 | Preparation method for superfine spherical stainless steel powder |
| JP6075349B2 (en) * | 2013-10-08 | 2017-02-08 | Ｊｆｅスチール株式会社 | Ferritic stainless steel |
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- 2016-08-16 CN CN201810508707.1A patent/CN108660375A/en active Pending
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| CN104227006A (en) * | 2014-08-26 | 2014-12-24 | 苏州智研新材料科技有限公司 | Method for preparing fine spherical stainless steel powder |
| CN105057664A (en) * | 2015-08-14 | 2015-11-18 | 东莞劲胜精密组件股份有限公司 | 3D (Three Dimensional) printing powder material and 3D printing method |
| CN105364065A (en) * | 2015-11-19 | 2016-03-02 | 东莞劲胜精密组件股份有限公司 | Metal powder material for 3D printing, preparation method of metal powder material and 3D printing method |
| CN105734407A (en) * | 2016-04-28 | 2016-07-06 | 武汉钢铁股份有限公司 | Novel ultra-thin microalloy high-strength steel and preparation method thereof |
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| CN106141169B (en) | 2018-07-20 |
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