JP2022083439A - 金属コーティング方法、それにより形成されたコーティング層を含む金属部材及び燃料電池分離板 - Google Patents
金属コーティング方法、それにより形成されたコーティング層を含む金属部材及び燃料電池分離板 Download PDFInfo
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- 239000002184 metal Substances 0.000 title claims abstract description 107
- 229910052751 metal Inorganic materials 0.000 title claims abstract description 107
- 238000000576 coating method Methods 0.000 title claims abstract description 61
- 239000011247 coating layer Substances 0.000 title claims abstract description 50
- 239000000446 fuel Substances 0.000 title claims abstract description 37
- 238000000926 separation method Methods 0.000 title claims abstract description 32
- 239000000463 material Substances 0.000 claims abstract description 81
- 239000000843 powder Substances 0.000 claims abstract description 47
- 239000000203 mixture Substances 0.000 claims abstract description 27
- 238000000034 method Methods 0.000 claims description 30
- 239000010410 layer Substances 0.000 claims description 27
- 239000011248 coating agent Substances 0.000 claims description 25
- 238000010030 laminating Methods 0.000 claims description 20
- 229910003465 moissanite Inorganic materials 0.000 claims description 18
- 229910010271 silicon carbide Inorganic materials 0.000 claims description 18
- 239000000126 substance Substances 0.000 claims description 15
- 230000012447 hatching Effects 0.000 claims description 7
- 238000002844 melting Methods 0.000 claims description 6
- 230000008018 melting Effects 0.000 claims description 6
- 238000002156 mixing Methods 0.000 claims description 5
- 239000006104 solid solution Substances 0.000 claims description 4
- 239000010953 base metal Substances 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 230000007797 corrosion Effects 0.000 abstract description 30
- 238000005260 corrosion Methods 0.000 abstract description 30
- 239000001257 hydrogen Substances 0.000 abstract description 11
- 229910052739 hydrogen Inorganic materials 0.000 abstract description 11
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 abstract description 10
- 238000003475 lamination Methods 0.000 abstract description 3
- 238000003672 processing method Methods 0.000 abstract description 3
- 230000001678 irradiating effect Effects 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 22
- 238000012360 testing method Methods 0.000 description 12
- 230000010287 polarization Effects 0.000 description 11
- 238000011156 evaluation Methods 0.000 description 9
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 8
- 230000003647 oxidation Effects 0.000 description 8
- 238000007254 oxidation reaction Methods 0.000 description 8
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 6
- 239000010409 thin film Substances 0.000 description 6
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 5
- 239000001301 oxygen Substances 0.000 description 5
- 229910052760 oxygen Inorganic materials 0.000 description 5
- 229910004298 SiO 2 Inorganic materials 0.000 description 4
- 229910052786 argon Inorganic materials 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000000635 electron micrograph Methods 0.000 description 4
- 239000011261 inert gas Substances 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000007769 metal material Substances 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 238000010146 3D printing Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 230000008021 deposition Effects 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 239000010408 film Substances 0.000 description 2
- 150000002736 metal compounds Chemical class 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 239000011863 silicon-based powder Substances 0.000 description 2
- 239000000779 smoke Substances 0.000 description 2
- 239000002253 acid Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 238000003487 electrochemical reaction Methods 0.000 description 1
- 238000009713 electroplating Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 150000002431 hydrogen Chemical class 0.000 description 1
- 238000007648 laser printing Methods 0.000 description 1
- 238000007567 mass-production technique Methods 0.000 description 1
- 239000003507 refrigerant Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 230000003746 surface roughness Effects 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/02—Details
- H01M8/0202—Collectors; Separators, e.g. bipolar separators; Interconnectors
- H01M8/0204—Non-porous and characterised by the material
- H01M8/0206—Metals or alloys
- H01M8/0208—Alloys
- H01M8/021—Alloys based on iron
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F10/00—Additive manufacturing of workpieces or articles from metallic powder
- B22F10/20—Direct sintering or melting
- B22F10/25—Direct deposition of metal particles, e.g. direct metal deposition [DMD] or laser engineered net shaping [LENS]
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- 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
- B33Y80/00—Products made by additive manufacturing
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/02—Details
- H01M8/0202—Collectors; Separators, e.g. bipolar separators; Interconnectors
- H01M8/0204—Non-porous and characterised by the material
- H01M8/0223—Composites
- H01M8/0228—Composites in the form of layered or coated products
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F10/00—Additive manufacturing of workpieces or articles from metallic powder
- B22F10/30—Process control
- B22F10/36—Process control of energy beam parameters
- B22F10/366—Scanning parameters, e.g. hatch distance or scanning strategy
-
- 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
- B22F7/00—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression
- B22F7/02—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression of composite layers
- B22F7/04—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression of composite layers with one or more layers not made from powder, e.g. made from solid metal
- B22F2007/042—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression of composite layers with one or more layers not made from powder, e.g. made from solid metal characterised by the layer forming method
-
- 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
-
- 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
- C22C1/00—Making non-ferrous alloys
- C22C1/04—Making non-ferrous alloys by powder metallurgy
- C22C1/0408—Light metal alloys
- C22C1/0416—Aluminium-based alloys
-
- 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)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Sustainable Energy (AREA)
- Sustainable Development (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Chemical & Material Sciences (AREA)
- Composite Materials (AREA)
- Fuel Cell (AREA)
- Other Surface Treatments For Metallic Materials (AREA)
- Automation & Control Theory (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
Abstract
Description
Claims (16)
- 金属母材を準備する段階;及び
前記金属母材の表面にレーザーを照射して溶融池を形成し、前記溶融池にCrとAlの混合物、Si及びSiCのうちいずれか一つからなるパウダーを供給して積層加工方式でコーティング層を形成する段階;を含むことを特徴とする、金属コーティング方法。 - 前記積層加工は、レーザーパワーが180~220W、ハッチング距離(hatching distance)が0.21~0.39mmの条件で進行されることを特徴と
する、請求項1に記載の金属コーティング方法。 - 前記パウダーは、Crが85~95wt%及びAlが5~15wt%で構成された固溶体からなることを特徴とする、請求項2に記載の金属コーティング方法。
- 前記積層加工は、スキャンスピード6~12mm/sで進行されることを特徴とする、請求項3に記載の金属コーティング方法。
- 前記パウダーは、6~7L/minで供給されるパウダーガスと共に前記溶融池に吐出されることを特徴とする、請求項4に記載の金属コーティング方法。
- 前記レーザーの照射時に6.5~7.5L/minで供給されるインナーガスが共に吐出されることを特徴とする、請求項5に記載の金属コーティング方法。
- 前記パウダーは、Si又はSiCからなり、前記積層加工は、スキャンスピード4~8mm/sで進行されることを特徴とする、請求項2に記載の金属コーティング方法。
- 前記パウダーは、6~7L/minで供給されるパウダーガスと共に前記溶融池に吐出されることを特徴とする、請求項7に記載の金属コーティング方法。
- 前記レーザーの照射時に6.5~7.5L/minで供給されるインナーガスが共に吐出されることを特徴とする、請求項8に記載の金属コーティング方法。
- 前記コーティング層を形成する段階は、前記金属母材の背面を冷却させて前記金属母材の背面温度を100℃以下に維持した状態で行われることを特徴とする、請求項1に記載の金属コーティング方法。
- 金属母材及び
請求項1~請求項10のうちいずれか一項に記載の方法で前記金属母材の表面に形成されたコーティング層を含むことを特徴とする、金属部材。 - 金属からなる母材;
CrとAlの混合物、Si及びSiCのうちいずれか一つからなるコーティング物質が前記母材とともに溶融及び混合されて前記母材の表面に形成された混合層;及び
前記混合層の表面に前記コーティング物質が積層されて形成された流路;を含むことを特徴とする、燃料電池分離板。 - 前記金属は、ステンレス鋼であることを特徴とする、請求項12に記載の燃料電池分離板。
- 前記混合層は、前記母材が溶融された状態で前記コーティング物質がパウダー状態で供給されて溶融及び混合して形成されたことを特徴とする、請求項12に記載の燃料電池分離板。
- 前記母材と前記混合層の界面は、波形を有することを特徴とする、請求項12に記載の燃料電池分離板。
- 前記CrとAlの混合物は、Crが85~95wt%及びAlが5~15wt%で構成された固溶体であることを特徴とする、請求項12に記載の燃料電池分離板。
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KR1020200158757A KR102350326B1 (ko) | 2020-11-24 | 2020-11-24 | 금속 코팅 방법 및 이에 의해 형성된 코팅층을 포함하는 금속 부재 |
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US (1) | US20220161325A1 (ja) |
JP (1) | JP7373540B2 (ja) |
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DE (1) | DE102021130683A1 (ja) |
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EP4293763A1 (en) * | 2022-06-15 | 2023-12-20 | Airbus Operations, S.L. | Bipolar plate for use in a fuel cell device and method for producing the same |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6213578A (ja) * | 1985-07-10 | 1987-01-22 | Kobe Steel Ltd | レ−ザ光による表面合金化およびクラツデイング用の添加材料 |
JPS6456861A (en) * | 1987-06-08 | 1989-03-03 | Exxon Research Engineering Co | Simultaneous co-diffusion of aluminum and ferrite stabilizing element in austenite steel |
JP2001527601A (ja) * | 1996-01-15 | 2001-12-25 | ザ・ユニバーシティ・オブ・テネシー・リサーチ・コーポレイション | レーザーによる表面改質 |
WO2017163433A1 (ja) * | 2016-03-25 | 2017-09-28 | 技術研究組合次世代3D積層造形技術総合開発機構 | 3次元積層造形装置、3次元積層造形装置の制御方法、3次元積層造形装置の制御プログラムおよび治具 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1396556A1 (en) | 2002-09-06 | 2004-03-10 | ALSTOM (Switzerland) Ltd | Method for controlling the microstructure of a laser metal formed hard layer |
KR101405396B1 (ko) * | 2012-06-25 | 2014-06-10 | 한국수력원자력 주식회사 | 표면에 혼합층을 포함하는 코팅층이 형성된 지르코늄 합금 및 이의 제조방법 |
JP5727432B2 (ja) | 2012-08-31 | 2015-06-03 | 日本特殊陶業株式会社 | セパレータ付燃料電池セル,その製造方法,および燃料電池スタック |
KR101609214B1 (ko) | 2014-08-25 | 2016-04-20 | 한국원자력연구원 | 3d 레이저 프린팅용 파우더 공급노즐 |
DE102015102496A1 (de) * | 2014-10-27 | 2016-04-28 | Almeco Gmbh | Temperatur- und korrosionsstabiler Oberflächenreflektor |
WO2016151713A1 (ja) | 2015-03-20 | 2016-09-29 | 技術研究組合次世代3D積層造形技術総合開発機構 | 加工ノズル、加工ヘッド、加工装置、加工ノズルの制御方法および制御プログラム |
JP2018138307A (ja) | 2017-02-24 | 2018-09-06 | トヨタ自動車株式会社 | 肉盛層の製造方法 |
US10695865B2 (en) | 2017-03-03 | 2020-06-30 | General Electric Company | Systems and methods for fabricating a component with at least one laser device |
JP7013823B2 (ja) | 2017-12-04 | 2022-02-01 | 株式会社野村鍍金 | 連続鋳造用金型の製造方法 |
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- 2021-11-17 US US17/528,329 patent/US20220161325A1/en active Pending
- 2021-11-23 DE DE102021130683.3A patent/DE102021130683A1/de active Pending
- 2021-11-24 JP JP2021190252A patent/JP7373540B2/ja active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6213578A (ja) * | 1985-07-10 | 1987-01-22 | Kobe Steel Ltd | レ−ザ光による表面合金化およびクラツデイング用の添加材料 |
JPS6456861A (en) * | 1987-06-08 | 1989-03-03 | Exxon Research Engineering Co | Simultaneous co-diffusion of aluminum and ferrite stabilizing element in austenite steel |
JP2001527601A (ja) * | 1996-01-15 | 2001-12-25 | ザ・ユニバーシティ・オブ・テネシー・リサーチ・コーポレイション | レーザーによる表面改質 |
WO2017163433A1 (ja) * | 2016-03-25 | 2017-09-28 | 技術研究組合次世代3D積層造形技術総合開発機構 | 3次元積層造形装置、3次元積層造形装置の制御方法、3次元積層造形装置の制御プログラムおよび治具 |
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JP7373540B2 (ja) | 2023-11-02 |
US20220161325A1 (en) | 2022-05-26 |
DE102021130683A1 (de) | 2022-05-25 |
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