JP2006226898A - 防食性に優れた機能性被覆の形成法 - Google Patents
防食性に優れた機能性被覆の形成法 Download PDFInfo
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- JP2006226898A JP2006226898A JP2005042377A JP2005042377A JP2006226898A JP 2006226898 A JP2006226898 A JP 2006226898A JP 2005042377 A JP2005042377 A JP 2005042377A JP 2005042377 A JP2005042377 A JP 2005042377A JP 2006226898 A JP2006226898 A JP 2006226898A
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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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
-
- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
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Abstract
【解決手段】 放射線照射雰囲気に曝される金属構造物を構成する基材の一部または全部に、放射線照射により腐食電位低下による防食効果を有する機能性被覆をプラズマ照射によって形成するに当たり、溶射すべき方向に伸びるプラズマ軸線の上流側に原料粉末投入口を備え、該軸線の周囲に等間隔で複数の溶射ガンが配置され、且つ各溶射ガンから投射されるプラズマが1点に収斂する様に配置された多電極プラズマ収斂型溶射装置を使用し、平均粒径が1〜20μmのセラミック粉末を溶射する。
【選択図】図1
Description
大きさが20mm×20mm×厚さ1mmの純鉄製基板の表裏全面に、平均粒径を0.5〜25μmの範囲で調整した複数のジルコニア(ZrO2)を使用し、プラズマ溶射法によって、放射線励起触媒層を構成する膜厚50μm、100μm、300μmの3種のジルコニア被覆を形成した。
◎:発錆なし、○:発錆面積率1%以上5%未満、△:発錆面積率5%以上10%未満、×:発錆面積率10%以上。
P プラズマ軸線
S 収斂点
α 傾斜角度
Claims (2)
- 放射線照射雰囲気に曝される金属構造物を構成する基材の一部または全部に、放射線照射により腐食電位低下による防食効果を示す機能性被覆をプラズマ照射によって形成するに当たり、溶射すべき方向に伸びるプラズマ軸線の上流側に原料粉末投入口を備え、該軸線の周囲に等間隔で複数の溶射ガンが配置され、且つ各溶射ガンから投射されるプラズマが1点に収斂する様に配置された多電極プラズマ収斂型溶射装置を使用し、平均粒径が1〜20μmのセラミック粉末を溶射することを特徴とする、防食性に優れた機能性被覆の形成法。
- 前記金属構造物が、原子炉の炉内構造物である請求項1に記載の形成法。
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JP4604153B2 JP4604153B2 (ja) | 2010-12-22 |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2009127079A (ja) * | 2007-11-22 | 2009-06-11 | Densho Engineering Co Ltd | プラズマ処理容器内部材及びその製造方法 |
JP2012222221A (ja) * | 2011-04-12 | 2012-11-12 | Disco Abrasive Syst Ltd | 切削装置 |
JP2015148617A (ja) * | 2010-03-01 | 2015-08-20 | ウェスティングハウス エレクトリック スウェーデン アーベー | リアクタコンポーネント |
JP2017218658A (ja) * | 2016-06-10 | 2017-12-14 | 東京電力ホールディングス株式会社 | ステンレス鋼の局部腐食抑制方法及び金属容器の保管方法 |
Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS517556B1 (ja) * | 1971-06-04 | 1976-03-09 | ||
JPS61230300A (ja) * | 1985-04-05 | 1986-10-14 | プラズマ技研工業株式会社 | プラズマア−ク用ト−チ |
JPS62161946A (ja) * | 1986-01-10 | 1987-07-17 | Okamoto:Kk | 耐食性構造用部品 |
JPH02236999A (ja) * | 1988-11-04 | 1990-09-19 | Daniel R Marantz | プラズマ発生装置及びプラズマ発生方法 |
JPH08201578A (ja) * | 1995-01-27 | 1996-08-09 | Ishikawajima Harima Heavy Ind Co Ltd | 原子炉構造材及びその防食方法 |
JPH10130805A (ja) * | 1996-10-25 | 1998-05-19 | Ishikawajima Harima Heavy Ind Co Ltd | 防食用チタン酸化膜の作製方法および防食用チタン酸化膜 |
JPH10130810A (ja) * | 1996-10-31 | 1998-05-19 | Ishikawajima Harima Heavy Ind Co Ltd | 防食用チタン酸化膜の作製方法および防食用チタン酸化膜 |
JPH1161372A (ja) * | 1997-08-27 | 1999-03-05 | Ishikawajima Harima Heavy Ind Co Ltd | チタン酸化膜の作製方法およびチタン酸化膜 |
JP2000511344A (ja) * | 1996-05-31 | 2000-08-29 | アイペック・プリシジョン・インコーポレーテッド | プラズマジェットを発生しかつ偏向するための装置 |
JP2001091688A (ja) * | 1999-09-27 | 2001-04-06 | Toshiba Corp | 原子力発電プラント |
-
2005
- 2005-02-18 JP JP2005042377A patent/JP4604153B2/ja not_active Expired - Fee Related
Patent Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS517556B1 (ja) * | 1971-06-04 | 1976-03-09 | ||
JPS61230300A (ja) * | 1985-04-05 | 1986-10-14 | プラズマ技研工業株式会社 | プラズマア−ク用ト−チ |
JPS62161946A (ja) * | 1986-01-10 | 1987-07-17 | Okamoto:Kk | 耐食性構造用部品 |
JPH02236999A (ja) * | 1988-11-04 | 1990-09-19 | Daniel R Marantz | プラズマ発生装置及びプラズマ発生方法 |
JPH08201578A (ja) * | 1995-01-27 | 1996-08-09 | Ishikawajima Harima Heavy Ind Co Ltd | 原子炉構造材及びその防食方法 |
JP2000511344A (ja) * | 1996-05-31 | 2000-08-29 | アイペック・プリシジョン・インコーポレーテッド | プラズマジェットを発生しかつ偏向するための装置 |
JPH10130805A (ja) * | 1996-10-25 | 1998-05-19 | Ishikawajima Harima Heavy Ind Co Ltd | 防食用チタン酸化膜の作製方法および防食用チタン酸化膜 |
JPH10130810A (ja) * | 1996-10-31 | 1998-05-19 | Ishikawajima Harima Heavy Ind Co Ltd | 防食用チタン酸化膜の作製方法および防食用チタン酸化膜 |
JPH1161372A (ja) * | 1997-08-27 | 1999-03-05 | Ishikawajima Harima Heavy Ind Co Ltd | チタン酸化膜の作製方法およびチタン酸化膜 |
JP2001091688A (ja) * | 1999-09-27 | 2001-04-06 | Toshiba Corp | 原子力発電プラント |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2009127079A (ja) * | 2007-11-22 | 2009-06-11 | Densho Engineering Co Ltd | プラズマ処理容器内部材及びその製造方法 |
JP2015148617A (ja) * | 2010-03-01 | 2015-08-20 | ウェスティングハウス エレクトリック スウェーデン アーベー | リアクタコンポーネント |
JP2012222221A (ja) * | 2011-04-12 | 2012-11-12 | Disco Abrasive Syst Ltd | 切削装置 |
JP2017218658A (ja) * | 2016-06-10 | 2017-12-14 | 東京電力ホールディングス株式会社 | ステンレス鋼の局部腐食抑制方法及び金属容器の保管方法 |
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