JP2018513268A - 金属ストリップ、バイポーラプレート、及び関連する製造方法 - Google Patents
金属ストリップ、バイポーラプレート、及び関連する製造方法 Download PDFInfo
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- 229910052751 metal Inorganic materials 0.000 title claims abstract description 65
- 239000002184 metal Substances 0.000 title claims abstract description 65
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 36
- 239000000758 substrate Substances 0.000 claims abstract description 164
- 238000000151 deposition Methods 0.000 claims abstract description 139
- 230000008021 deposition Effects 0.000 claims abstract description 134
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims abstract description 56
- CXOWYMLTGOFURZ-UHFFFAOYSA-N azanylidynechromium Chemical compound [Cr]#N CXOWYMLTGOFURZ-UHFFFAOYSA-N 0.000 claims abstract description 46
- 229910001220 stainless steel Inorganic materials 0.000 claims abstract description 40
- 239000010935 stainless steel Substances 0.000 claims abstract description 39
- 239000011651 chromium Substances 0.000 claims abstract description 24
- 238000005240 physical vapour deposition Methods 0.000 claims abstract description 22
- 229910052804 chromium Inorganic materials 0.000 claims abstract description 17
- 239000011247 coating layer Substances 0.000 claims description 150
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 46
- 239000010410 layer Substances 0.000 claims description 46
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 42
- 238000000034 method Methods 0.000 claims description 34
- 238000011144 upstream manufacturing Methods 0.000 claims description 25
- 239000000463 material Substances 0.000 claims description 12
- 239000001301 oxygen Substances 0.000 claims description 10
- 229910052760 oxygen Inorganic materials 0.000 claims description 10
- 238000005137 deposition process Methods 0.000 claims description 8
- 238000005520 cutting process Methods 0.000 claims description 7
- 238000002161 passivation Methods 0.000 claims description 7
- -1 chrome nitride Chemical class 0.000 claims 1
- 239000013078 crystal Substances 0.000 description 14
- 238000000576 coating method Methods 0.000 description 13
- 239000011248 coating agent Substances 0.000 description 12
- 239000000446 fuel Substances 0.000 description 11
- 239000012535 impurity Substances 0.000 description 11
- 229910052757 nitrogen Inorganic materials 0.000 description 11
- 239000007789 gas Substances 0.000 description 10
- 206010040844 Skin exfoliation Diseases 0.000 description 8
- 238000009792 diffusion process Methods 0.000 description 7
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 6
- 239000000203 mixture Substances 0.000 description 6
- 230000003647 oxidation Effects 0.000 description 6
- 238000007254 oxidation reaction Methods 0.000 description 6
- 238000004458 analytical method Methods 0.000 description 5
- 239000011261 inert gas Substances 0.000 description 5
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 4
- 230000000052 comparative effect Effects 0.000 description 4
- 238000011109 contamination Methods 0.000 description 4
- 238000007872 degassing Methods 0.000 description 4
- 238000002474 experimental method Methods 0.000 description 4
- 238000001000 micrograph Methods 0.000 description 4
- 239000002245 particle Substances 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- WGLPBDUCMAPZCE-UHFFFAOYSA-N Trioxochromium Chemical compound O=[Cr](=O)=O WGLPBDUCMAPZCE-UHFFFAOYSA-N 0.000 description 3
- 230000002411 adverse Effects 0.000 description 3
- 229910000423 chromium oxide Inorganic materials 0.000 description 3
- 238000009826 distribution Methods 0.000 description 3
- 239000003792 electrolyte Substances 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 239000003345 natural gas Substances 0.000 description 3
- 238000001228 spectrum Methods 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 229910052786 argon Inorganic materials 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000003795 desorption Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 238000005098 hot rolling Methods 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- 239000012528 membrane Substances 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 238000004544 sputter deposition Methods 0.000 description 2
- 238000009628 steelmaking Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 238000003917 TEM image Methods 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 238000000137 annealing Methods 0.000 description 1
- 229910000963 austenitic stainless steel Inorganic materials 0.000 description 1
- 229910052729 chemical element Inorganic materials 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000032798 delamination Effects 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000010191 image analysis Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000003892 spreading Methods 0.000 description 1
- 238000005477 sputtering target Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
- C23C14/0021—Reactive sputtering or evaporation
- C23C14/0036—Reactive sputtering
- C23C14/0068—Reactive sputtering characterised by means for confinement of gases or sputtered material, e.g. screens, baffles
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- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
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- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
- C23C14/02—Pretreatment of the material to be coated
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- C—CHEMISTRY; METALLURGY
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- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
- C23C14/04—Coating on selected surface areas, e.g. using masks
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- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
- C23C14/06—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the coating material
- C23C14/0641—Nitrides
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- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
- C23C14/22—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the process of coating
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- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
- C23C14/22—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the process of coating
- C23C14/56—Apparatus specially adapted for continuous coating; Arrangements for maintaining the vacuum, e.g. vacuum locks
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Abstract
Description
上で説明したように、少なくとも1つの窒化クロム系コーティング層5でコーティングされた、ステンレス鋼基材3を含むプレート13を提供すること、及び
このプレート13を別のプレート、有利には別の同様のプレート13に固定し、バイポーラプレート11を形成すること
を含む方法に関する。
金属ストリップ1を切断して、少なくとも1つのブランクを形成すること、及び
このブランクを、特にスタンピングにより変形して、プレート13を形成すること
を含む。
Claims (23)
- 金属ストリップ又はシート(1;1’)の製造方法であって、
ステンレス鋼から作られた基材(3;3’)を提供する提供工程と、
堆積チャンバー(20)と、前記堆積チャンバー(20)内に配置されたクロムターゲット(22)とを含む堆積設備(14)内での物理気相堆積(PVD)によって、前記基材(3;3’)上に窒化クロム系層を堆積する工程であって、前記基材(3;3’)が、長手方向において前記堆積チャンバー(20)を通じて移動する堆積工程と
を含み、長手方向に沿って考えた場合に、前記堆積チャンバー(20)が、前記堆積チャンバー(20)の長さより短い長さを持つ堆積領域(30;30’)と、少なくとも、長手方向において前記堆積領域(30;30’)と隣接した第1禁止領域(32)とを含み、
堆積中に、前記堆積領域(30;30’)においてのみ窒化クロムが前記基材(3;3’)上に堆積され、前記第1禁止領域(32)において窒化クロムが前記基材(3;3’)上に堆積されない、製造方法。 - 前記第1禁止領域(32)が、前記基材(3)のパス上で前記ターゲット(22)より下流に位置した、請求項1に記載の製造方法。
- 前記基材(3)上へのクロムの堆積速度が、前記ターゲット(22)より下流の前記堆積領域(30;30’)において所定の閾値以上である、請求項2に記載の製造方法。
- 前記堆積チャンバー(20)が、クロム原子を透過しない下流カバー(28)を含み、前記下流カバー(28)が、前記第1禁止領域(32)において前記基材(3:3’)上に窒化クロムが噴射されるのを防止し、かつ、前記堆積領域(30;30’)において前記基材(3)上に窒化クロムが噴射されることを可能とするように、前記チャンバー(20)内に配置されている、請求項1〜3のいずれか1項に記載の製造方法。
- 前記下流カバー(28)が、前記第1禁止領域(32)においてクロム原子が噴射されるのを防止するように、前記第1禁止領域(32)に向けて噴射されるクロム原子の軌道上に挿入されている、請求項4に記載の製造方法。
- 前記下流カバー(28)が、前記基材(3;3’)上への堆積速度が前記所定の閾値より低い、前記ターゲット(22)からの前記基材(3;3’)へのクロム原子の堆積を防止するように、前記堆積チャンバー(20)内に配置されている、請求項3と組み合わせた請求項4又は5に記載の製造方法。
- 前記堆積チャンバー(20)が、前記堆積工程中に前記基材(3;3’)上に窒化クロムが堆積されない第2禁止領域(33)をさらに含み、前記第1禁止領域(32)及び前記第2禁止領域(33)が長手方向において前記堆積領域(30’)を構成するように、前記第2禁止領域(33)が前記堆積領域(30’)と隣接している、請求項1〜6のいずれか1項に記載の製造方法。
- 前記第2禁止領域(33)が、前記基材(3;3’)のパス上で前記ターゲット(22)より上流に位置した、請求項7に記載の製造方法。
- 前記堆積領域(30’)全体において、堆積中の前記基材(3;3’)へのクロム原子の堆積速度が、所定の閾値以上である、請求項3と組み合わせた請求項8に記載の製造方法。
- 前記堆積チャンバー(20)が、クロム原子を透過しない上流カバー(29)をさらに含み、前記上流カバー(29)が、前記第1堆積領域(30’)において前記基材(3;3’)上に窒化クロムが噴射されることを可能とし、かつ、前記第2禁止領域(33)において前記基材(3:3’)上に窒化クロムが噴射されるのを防止するように、前記チャンバー(20)内に配置されている、請求項7〜9のいずれか1項に記載の製造方法。
- 前記上流カバー(29)が、前記第2禁止領域(33)においてクロム原子が噴射されるのを防止するように、前記ターゲット(22)から前記第2禁止領域(33)に向けて噴射されるクロム原子の軌道上に挿入されている、請求項10に記載の製造方法。
- 前記堆積工程の前に、所与の堆積設備について、較正により所定の閾値を決定する工程を含み、前記所定の閾値が、所望の接触抵抗を有してコーティング層が得られる最小の堆積速度と一致している、請求項3と組み合わせた請求項1〜11のいずれか1項に記載の製造方法。
- 前記提供工程中に、ステンレス鋼から作られ、表面上に不動態酸化膜を含む金属ストリップ又はシートが提供され、前記提供工程が、少なくとも、前記コーティング層(5’)でコーティングされることが意図された前記金属ストリップ又はシート(1’)の領域において、これらの領域で堆積工程の始めに不動態層(10)の残留物が残らないように、前記不動態層(10)を剥離して、前記不動態層(10)を完全に取り除くための工程をさらに含む、請求項1〜12のいずれか1項に記載の製造方法。
- ステンレス鋼から作られた基材(3;3’)と、窒化クロム系コーティング層(5;5’)とを含む金属ストリップ又はシート(1;1’)であって、前記コーティング層(5;5’)が、任意選択で酸素を含み、物理気相堆積(PVD)により得られ、原子窒素含有量より少ない原子酸素含有量を含む表面領域(8)を表面上に含む、金属ストリップ又はシート(1;1’)。
- 前記表面領域(8)が、前記コーティング層(5;5’)の全体の厚さの15%以下の高さを有する、請求項14に記載の金属ストリップ又はシート(1;1’)。
- 前記コーティング層(5;5’)が、前記基材(3;3’)との界面に、原子窒素含有量より少ない原子酸素含有量を含む界面領域(6)を含む、請求項14又は15に記載の金属ストリップ又はシート(1’)。
- 前記界面領域(6)が、前記コーティング層(5;5’)の全体の厚さの15%以下の高さを有する、請求項16に記載の金属ストリップ又はシート(1;1’)。
- 前記基材(3;3’)から出発して前記コーティング層(5;5’)の表面に向けて移動した場合に、前記界面領域(6)と、コア領域(7)と、前記表面領域(8)とからなっており、前記領域(6、7、8)が、前記基材(3;3’)の平均平面と垂直な方向に沿って重ねられている、請求項16と組み合わせた請求項14〜17のいずれか1項に記載の金属ストリップ又はシート(1;1’)。
- 100N/cm2で10mΩ・cm2未満の接触抵抗(ICR)を有する、請求項14〜18のいずれか1項に記載の金属ストリップ又はシート(1;1’)。
- 前記コーティング層(5;5’)が、前記コーティング層(5’)と前記基材(3’)のステンレス鋼との間に不動態層(10)の介在なく、ステンレス鋼の前記基材(3’)上に直接形成されている、請求項14〜19のいずれか1項に記載の金属ストリップ又はシート(1’)。
- 前記コーティング層(5’)が、テクスチャ加工されており、特に、前記基材(3’)のステンレス鋼とエピタキシャル関係を有する、請求項1〜20のいずれか1項に記載の金属ストリップ又はシート(1’)。
- 請求項14〜21のいずれか1項に記載のシート(1;1’)又は請求項14〜21のいずれか1項に記載のストリップ(1;1’)から切断されたブランクを変形することで得られた少なくとも1つのプレート(13)を含む、バイポーラプレート(11)。
- 請求項1〜13のいずれか1項に記載の方法を使用して得られた金属ストリップ(1;1’)を切断して、プレート(13)を得る工程と、このプレート(13)を成形する工程とを含む、バイポーラプレート(11)の製造方法。
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BR112020015372A2 (pt) | 2018-01-29 | 2020-12-08 | Aperam | Placa bipolar para montagem dos elementos de uma unidade de célula de combustível, método de fabricação de uma placa bipolar para montagem dos elementos de uma unidade de célula de combustível, unidade para uma célula de combustível do tipo pemfc e célula de combustível |
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