JP2014506300A - メッキ方法及び亜鉛メッキ工程 - Google Patents
メッキ方法及び亜鉛メッキ工程 Download PDFInfo
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- C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
- C23C2/003—Apparatus
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- C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
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- C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
- C23C2/02—Pretreatment of the material to be coated, e.g. for coating on selected surface areas
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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
- C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
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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
- C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
- C23C2/34—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor characterised by the shape of the material to be treated
- C23C2/36—Elongated material
- C23C2/40—Plates; Strips
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- C21D1/34—Methods of heating
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- Y10T428/00—Stock material or miscellaneous articles
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Abstract
Description
図5には、本発明で用いた表面処理装置が示されている。プラズマ発生器20は支持部25の母材Sの上方に配置され、プラズマ発生器20からのプラズマPが母材の表面に照射されるように構成した。
本実験では、プラズマを生成する過程でノズルの周囲にプラズマアークが発生した。一般に、プラズマアークは、母材の表面に損傷を与え、プラズマノズルの周囲のみに生成されるため、プラズマ発生器に非常に隣接した場合のみにプラズマアークを照射することができ、通常、プラズマと共に用いられない。
本発明では、Si/Mn/Al系酸化物を除去するために、母材にレーザーを照射した。図15には、本発明によるレーザー照射装置を含む表面処理装置が示されている。
図20には、従来の亜鉛メッキ工程が示されている。
210 焼鈍設備
220 スナウト
230 メッキ槽
240 エアナイフ
300 表面処理設備
310、311 プラズマ発生装置
320、321 レーザー発生装置
330 窒素ガス連通口
340 遮断部
342 シーリングロール
360 センサー
390 制御部
Claims (15)
- 高強度鋼を加熱する加熱段階と、
前記加熱段階で形成された前記高強度鋼の表面に形成されたMn系酸化物、Al系酸化物及びSi系酸化物のうち一つ以上を除去するようにプラズマを照射する表面処理段階と、
前記表面処理された高強度鋼をメッキするメッキ段階と、
を含む、メッキ方法。 - 前記表面処理段階において、前記プラズマを高強度鋼の表面に200〜900℃の温度で照射する、請求項1に記載のメッキ方法。
- 前記表面処理段階において、前記プラズマを200〜800℃の窒素雰囲気で照射し、
前記雰囲気ガスをプラズマのフィーディングガスとして供給する、請求項1に記載のメッキ方法。 - 前記表面処理段階において、前記高強度鋼を陰極に帯電させた後、前記プラズマと共にプラズマアークを前記高強度鋼の表面に照射する、請求項1に記載のメッキ方法。
- 前記表面処理段階は、外部と遮断されたチャンバーで行われ、
前記プラズマの照射距離を増大させるように前記チャンバーの内部のガスを吸入してチャンバーの内部の圧力を低くした後にプラズマを照射する、請求項3に記載のメッキ方法。 - 前記表面処理段階は、プラズマを照射すると共に前記酸化被膜を除去するように前記高強度鋼に1064nm以下の波長を有するCWレーザーを照射する、請求項4に記載の表面処理方法。
- 前記レーザーは、1mm以下のスポットサイズを有するレーザー又は1mm以下の幅を有するレーザービームである、請求項6に記載のメッキ方法。
- 前記表面処理段階は、前記レーザーを前記プラズマと同一の地点に照射する、請求項7に記載のメッキ方法。
- 請求項1から8のいずれか一項に記載のメッキ方法により亜鉛メッキされる、TWIP又はTRIP鋼。
- 焼鈍設備と、
焼鈍中に鋼板の表面に生成されたMn系酸化物、Al系酸化物及びSi系酸化物のうち一つ以上を除去するように焼鈍設備の後方に設置され、内部に200〜800℃の窒素雰囲気が形成された雰囲気チャンバーと、前記酸化被膜を除去し、プラズマを鋼板に照射するように前記雰囲気チャンバーの内部に配置されたプラズマ発生装置と、を含む表面処理設備と、
前記表面処理設備を通過した鋼板を亜鉛メッキするメッキ設備と、
を含む、亜鉛メッキ工程。 - 前記雰囲気チャンバーには雰囲気ガス吸入部が備えられ、
前記プラズマ発生装置のフィーディングガスとして前記雰囲気ガスを用いるように前記雰囲気ガス吸入部は前記プラズマ発生装置のフィーディングガス供給部と連結される、請求項10に記載の亜鉛メッキ工程。 - 前記鋼板の出入りを許容し且つ前記雰囲気チャンバーを密封する遮断部を含み、
前記雰囲気チャンバーには雰囲気ガス吸入部、雰囲気ガスを供給する連通口及び内部圧力を測定する圧力センサーが備えられ、雰囲気チャンバーの内部圧力を大気圧より低く維持させる、請求項10に記載の亜鉛メッキ工程。 - 前記遮断部はシーリングロールを含み、
前記シーリングロールとシーリングロールの回転軸は導電性材質で形成され、前記回転軸が陰極に接地されて前記雰囲気チャンバーの内部を通過する鋼板を陰極に接地し、
前記プラズマ発生装置はプラズマと共にプラズマアークを照射するように鋼板から離隔される、請求項12に記載の亜鉛メッキ工程。 - 前記プラズマ発生装置の前方又は後方に位置し、前記鋼板の表面にレーザーを照射するレーザー発生装置をさらに含み、
前記レーザー発生装置は1064nm以下の波長を有するCWレーザービーム照射装置である、請求項13に記載の亜鉛メッキ工程。 - 前記表面処理設備は、前記焼鈍設備と前記メッキ設備の間のスナウトの内部に配置される、請求項14に記載の亜鉛メッキ工程。
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KR1020100136019A KR101242953B1 (ko) | 2010-12-27 | 2010-12-27 | 도금 방법 및 아연 도금 장치 |
KR10-2010-0136019 | 2010-12-27 | ||
PCT/KR2011/010154 WO2012091409A2 (ko) | 2010-12-27 | 2011-12-27 | 도금 방법 및 아연 도금 공정 |
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JP2018506644A (ja) * | 2014-12-24 | 2018-03-08 | ポスコPosco | 溶接性及び加工部耐食性に優れた亜鉛合金めっき鋼材及びその製造方法 |
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WO2016105163A1 (ko) * | 2014-12-24 | 2016-06-30 | 주식회사 포스코 | 용접성 및 가공부 내식성이 우수한 아연합금도금강재 및 그 제조방법 |
DE102018211108B4 (de) * | 2018-07-05 | 2023-06-29 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Verfahren zum Modifizieren und anschließendem Ausbilden einer Oberflächenbeschichtung auf einem metallischen Bauteil |
AT520637B1 (de) * | 2018-07-31 | 2019-06-15 | Andritz Ag Maschf | Verfahren zur verbesserung der beschichtbarkeit eines metallbandes |
KR102290782B1 (ko) * | 2019-09-26 | 2021-08-18 | 주식회사 포스코 | 내구성이 우수한 고강도 코팅강판의 제조방법 |
WO2022234029A1 (en) | 2021-05-06 | 2022-11-10 | Tata Steel Nederland Technology B.V. | A system and a method for plasma surface treatment |
Citations (5)
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JPH05295511A (ja) * | 1992-02-20 | 1993-11-09 | Nippon Steel Corp | めっき表面性状およびめっき密着性に優れた熱延溶融めっき鋼帯の製造方法および製造装置 |
JPH06336662A (ja) * | 1993-05-28 | 1994-12-06 | Kawasaki Steel Corp | 溶融亜鉛めっき鋼板の連続製造方法 |
JPH0718465A (ja) * | 1993-06-30 | 1995-01-20 | Kawasaki Steel Corp | 金属帯板の連続加熱方法および表面特性の優れた金属帯板の連続製造方法 |
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DE102004028197B4 (de) | 2004-06-09 | 2006-06-29 | Jenoptik Automatisierungstechnik Gmbh | Verfahren zur Vorbehandlung verzinkter Stahlbleche oder Aluminiumbleche zum Schweißen |
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DE102006039307B3 (de) | 2006-08-22 | 2008-02-21 | Thyssenkrupp Steel Ag | Verfahren zum Beschichten eines 6-30 Gew.% Mn enthaltenden warm- oder kaltgewalzten Stahlbands mit einer metallischen Schutzschicht |
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JPH05295511A (ja) * | 1992-02-20 | 1993-11-09 | Nippon Steel Corp | めっき表面性状およびめっき密着性に優れた熱延溶融めっき鋼帯の製造方法および製造装置 |
JPH06336662A (ja) * | 1993-05-28 | 1994-12-06 | Kawasaki Steel Corp | 溶融亜鉛めっき鋼板の連続製造方法 |
JPH0718465A (ja) * | 1993-06-30 | 1995-01-20 | Kawasaki Steel Corp | 金属帯板の連続加熱方法および表面特性の優れた金属帯板の連続製造方法 |
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KR20050042513A (ko) * | 2003-11-03 | 2005-05-10 | 현대하이스코 주식회사 | 도금 부착성 및 가공성이 뛰어난 고강도 용융아연도금강판의 제조방법 |
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JP2018506644A (ja) * | 2014-12-24 | 2018-03-08 | ポスコPosco | 溶接性及び加工部耐食性に優れた亜鉛合金めっき鋼材及びその製造方法 |
US10584407B2 (en) | 2014-12-24 | 2020-03-10 | Posco | Zinc alloy plated steel material having excellent weldability and processed-part corrosion resistance and method of manufacturing same |
JP2020169388A (ja) * | 2014-12-24 | 2020-10-15 | ポスコPosco | 溶接性及び加工部耐食性に優れた亜鉛合金めっき鋼材及びその製造方法 |
US11248287B2 (en) | 2014-12-24 | 2022-02-15 | Posco | Zinc alloy plated steel material having excellent weldability and processed-part corrosion resistance |
Also Published As
Publication number | Publication date |
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KR101242953B1 (ko) | 2013-03-12 |
US9321077B2 (en) | 2016-04-26 |
WO2012091409A3 (ko) | 2012-10-04 |
WO2012091409A2 (ko) | 2012-07-05 |
CN103517995B (zh) | 2016-01-20 |
US20130288073A1 (en) | 2013-10-31 |
CN103517995A (zh) | 2014-01-15 |
KR20120074067A (ko) | 2012-07-05 |
JP5879365B2 (ja) | 2016-03-08 |
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