JP7399878B2 - 球状金属粉体混合物及びその製造方法 - Google Patents
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- 239000000843 powder Substances 0.000 title claims description 182
- 229910052751 metal Inorganic materials 0.000 title claims description 83
- 239000002184 metal Substances 0.000 title claims description 83
- 239000000203 mixture Substances 0.000 title claims description 57
- 238000004519 manufacturing process Methods 0.000 title claims description 36
- 239000001301 oxygen Substances 0.000 claims description 63
- 229910052760 oxygen Inorganic materials 0.000 claims description 63
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 62
- 238000000034 method Methods 0.000 claims description 56
- 239000002245 particle Substances 0.000 claims description 30
- 239000002994 raw material Substances 0.000 claims description 24
- 229910000883 Ti6Al4V Inorganic materials 0.000 claims description 18
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 17
- 229910052719 titanium Inorganic materials 0.000 claims description 17
- 239000010936 titanium Substances 0.000 claims description 17
- 238000002156 mixing Methods 0.000 claims description 16
- 239000000126 substance Substances 0.000 claims description 9
- 238000000227 grinding Methods 0.000 claims description 8
- 229910045601 alloy Inorganic materials 0.000 claims description 5
- 239000000956 alloy Substances 0.000 claims description 5
- 238000005563 spheronization Methods 0.000 claims description 3
- 239000000654 additive Substances 0.000 description 10
- 230000000996 additive effect Effects 0.000 description 10
- 238000009826 distribution Methods 0.000 description 8
- 230000008439 repair process Effects 0.000 description 8
- 238000003801 milling Methods 0.000 description 6
- 238000007873 sieving Methods 0.000 description 5
- 229910001069 Ti alloy Inorganic materials 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 238000012986 modification Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- 238000012545 processing Methods 0.000 description 4
- 238000010298 pulverizing process Methods 0.000 description 4
- 238000006356 dehydrogenation reaction Methods 0.000 description 3
- 238000005984 hydrogenation reaction Methods 0.000 description 3
- 230000010354 integration Effects 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 229910000914 Mn alloy Inorganic materials 0.000 description 1
- 229910000990 Ni alloy Inorganic materials 0.000 description 1
- 229910001093 Zr alloy Inorganic materials 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000001747 exhibiting effect Effects 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 238000009689 gas atomisation Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 229910001092 metal group alloy Inorganic materials 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000004482 other powder Substances 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 238000004663 powder metallurgy Methods 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 239000012798 spherical particle Substances 0.000 description 1
- 238000007655 standard test method Methods 0.000 description 1
- -1 zirconium alloys Chemical class 0.000 description 1
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C1/00—Making non-ferrous alloys
- C22C1/04—Making non-ferrous alloys by powder metallurgy
- C22C1/045—Alloys based on refractory metals
- C22C1/0458—Alloys based on titanium, zirconium or hafnium
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- 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
- B22F1/06—Metallic powder characterised by the shape of the particles
- B22F1/065—Spherical particles
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- 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
- B22F1/09—Mixtures of metallic powders
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- 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
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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
- B33Y70/00—Materials specially adapted for additive manufacturing
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- 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
- B22F2009/001—Making metallic powder or suspensions thereof from scrap particles
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- 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
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- 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
- B22F2301/00—Metallic composition of the powder or its coating
- B22F2301/20—Refractory metals
- B22F2301/205—Titanium, zirconium or hafnium
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F2998/00—Supplementary information concerning processes or compositions relating to powder metallurgy
- B22F2998/10—Processes characterised by the sequence of their steps
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F2999/00—Aspects linked to processes or compositions used in powder metallurgy
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- 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
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- Manufacture Of Metal Powder And Suspensions Thereof (AREA)
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Description
Ti‐6Al‐4V削り屑から本開示の方法10に係る処理12によって、二種類の「第一球状粉体成分」(成分1Aと成分1B)を調製することができる。例えば、成分1Aは略4000ppmの酸素濃度を有し、1ポンド当たり略48米国ドルの生産コストがかかり、一方、成分1Bは略2200ppmの酸素濃度を有し、1ポンド当たり略50米国ドルの生産コストがかかる。
金属原料を用いて球状金属粉体混合物を製造するための方法であって、金属原料を粉砕して中間粉体を得ることと、中間粉体を球状化して第一球状粉体成分を得ることと、第一球状粉体成分を第二球状粉体成分と混合することとを備え、第一球状粉体成分と第二球状粉体成分が実質的に同じ化学組成を有する、方法。
金属原料がチタンを含む、項1に記載の方法。
金属原料が略2100ppmから略4000ppmの範囲内の酸素濃度を有する、項2に記載の方法。
金属原料が削り屑を含む、項2又は3に記載の方法。
金属原料がTi‐6Al‐4Vを含む、項1から4のいずれか一項に記載の方法。
金属原料を粉砕して中間粉体を得ることが、略10μmから略100μmの間の平均粒径を得るように粉砕することを備える、項1から5のいずれか一項に記載の方法。
中間粉体のうちの少なくとも80%の粉体粒子が平均粒径から±20パーセント以内の粒径を有する、項6に記載の方法。
粉砕が遊星ミル、ボールミル、又はローラーミル内で行われる、項1から7のいずれか一項に記載の方法。
粉砕の前に金属原料を水素化することを更に備える項1から8のいずれか一項に記載の方法。
球状化の前に中間粉体を脱水化することを更に備える項9に記載の方法。
中間粉体を球状化することが、中間粉体を誘導プラズマに晒すことを備える、項1から10のいずれか一項に記載の方法。
第二球状粉体成分がチタンを含み、第二球状粉体成分が最大略1800ppmの酸素濃度を有する、項1から11のいずれか一項に記載の方法。
第一球状粉体成分を第二球状粉体成分と混合することが、第一球状粉体成分対第二球状粉体成分の比が少なくとも1:1であるようにして混合することを備える、項1から12のいずれか一項に記載の方法。
第一球状粉体成分対第二球状粉体成分の比が少なくとも2:1である、項13に記載の方法。
金属原料と第二球状粉体成分がTi‐6Al‐4Vを含み、第一球状粉体成分を第二球状粉体成分と混合することが、最大略2000ppmの酸素濃度を有する混合物をもたらす第一球状粉体成分対第二球状粉体成分の比で混合することを備える、項1から14のいずれか一項に記載の方法。
項1から15のいずれか一項に記載の方法によって製造された球状金属粉体混合物。
球状金属粉体混合物を製造するための方法であって、第一球状粉体成分を第二球状粉体成分と混合することを備え、第一球状粉体成分がチタンを含み且つ略2100ppmから略4000ppmの範囲内の酸素濃度を有し、第二球状粉体成分がチタンを含み且つ最大略1800ppmの酸素濃度を有する、方法。
第二球状粉体成分の酸素濃度が略800ppmから略1800ppmの範囲内にある、項17に記載の方法。
第一球状粉体成分の酸素濃度が略2100ppmから略2300ppmの範囲内にあり、第二球状粉体成分の酸素濃度が略900ppmから略1100ppmの範囲内にある、項17に記載の方法。
項17から19のいずれか一項に記載の方法によって製造された球状金属粉体混合物。
Claims (11)
- 金属原料を用いて球状金属粉体混合物を製造するための方法であって、
前記金属原料の粉砕を行い中間粉体を得ることと、
前記中間粉体の球状化を行い第一球状粉体成分を得ることと、
前記第一球状粉体成分を第二球状粉体成分と混合することと、を備え、前記第一球状粉体成分と前記第二球状粉体成分が実質的に同じ化学組成を有し、
前記金属原料がチタンを含み且つ2100ppmから4000ppmの範囲内の酸素濃度を有し、
前記第二球状粉体成分がチタンを含み且つ最大1800ppmの酸素濃度を有し、
前記第一球状粉体成分を第二球状粉体成分と混合することが、最大2000ppmの酸素濃度を有する混合物をもたらす第一球状粉体成分対第二球状粉体成分の比で混合することを備える、方法。 - 前記金属原料が削り屑を含む、請求項1に記載の方法。
- 前記金属原料がTi‐6Al‐4V合金を含む、請求項1又は2に記載の方法。
- 前記金属原料の粉砕を行い中間粉体を得ることが、10μmから100μmの間の平均粒径を得るように粉砕することを備える、請求項1から3のいずれか一項に記載の方法。
- 前記中間粉体のうち少なくとも80%の粉体粒子が前記平均粒径から±20パーセント以内の粒径を有する、請求項4に記載の方法。
- 前記粉砕が遊星ミル、ボールミル、又はローラーミル内で行われる、請求項1から5のいずれか一項に記載の方法。
- 前記粉砕の前に前記金属原料を水素化することを更に備える請求項1から6のいずれか一項に記載の方法。
- 前記球状化の前に前記中間粉体を脱水素化することを更に備える請求項7に記載の方法。
- 前記中間粉体の球状化を行うことが、前記中間粉体を誘導プラズマに晒すことを備える、請求項1から8のいずれか一項に記載の方法。
- 前記第一球状粉体成分を第二球状粉体成分と混合することが、第一球状粉体成分/第二球状粉体成分の比が少なくとも1/1となるようにして混合することを備える、請求項1から9のいずれか一項に記載の方法。
- 前記第一球状粉体成分/第二球状粉体成分の比が少なくとも2/1である、請求項10に記載の方法。
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US15/874,134 US11130175B2 (en) | 2018-01-18 | 2018-01-18 | Spherical metallic powder blends and methods for manufacturing the same |
US15/874,134 | 2018-01-18 | ||
PCT/US2018/067785 WO2019143454A1 (en) | 2018-01-18 | 2018-12-28 | Spherical metallic powder blends and methods for manufacturing the same |
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EP3810358A1 (en) | 2018-06-19 | 2021-04-28 | 6K Inc. | Process for producing spheroidized powder from feedstock materials |
CN109382511B (zh) * | 2018-11-23 | 2019-12-03 | 北京科技大学 | 一种3d打印用低成本钛粉的流化整形制备方法 |
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CN114641462A (zh) | 2019-11-18 | 2022-06-17 | 6K有限公司 | 用于球形粉末的独特原料及制造方法 |
US11590568B2 (en) | 2019-12-19 | 2023-02-28 | 6K Inc. | Process for producing spheroidized powder from feedstock materials |
CA3180426A1 (en) | 2020-06-25 | 2021-12-30 | Richard K. Holman | Microcomposite alloy structure |
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EP3740334A1 (en) | 2020-11-25 |
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