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公开(公告)号：KR1020130018431A
公开(公告)日：2013-02-22
申请号：KR1020110080650
申请日：2011-08-12
Applicant: 한국과학기술연구원
CPC classification number: C22C38/18 , C21D6/002 , C21D8/0426 , C21D8/0436 , C21D8/0473 , C21D2201/05 , C21D2211/005 , C22C38/005 , C22C38/02 , C22C38/06 , C22C38/24 , C22C38/28 , H01M8/021 , H01M2008/1293 , Y02P70/56
Abstract: PURPOSE: A ferrite-based stainless steel with oxidation resistance, a manufacturing method thereof, and a fuel cell interconnector using the same are provided to have excellent electric conductivity and oxidation resistance by having a compact oxide film on the surface of the ferrite-based stainless steel. CONSTITUTION: A ferrite-based stainless steel with oxidation resistance is composed of a ferrite-based stainless steel and a chrome oxide film. The ferrite-based stainless steel contains chrome. The fraction of crystal orientation measured by EBSP is 5% or more. The chrome oxide film is formed on the surface of the ferrite-based stainless steel. [Reference numerals] (AA) Spinel oxide film(relatively bright portion); (BB) Chrome oxide film(dark portion); (CC) Ferrite-based stainless steel
Abstract translation: 目的：提供具有耐氧化性的铁素体系不锈钢及其制造方法以及使用其的燃料电池互连器，通过在铁素体系不锈钢的表面上具有紧密的氧化膜，具有优异的导电性和抗氧化性 钢。 构成：具有抗氧化性的铁素体不锈钢由铁素体系不锈钢和氧化铬膜构成。 铁素体不锈钢含铬。 EBSP测得的晶体取向分数为5％以上。 氧化铬膜形成在铁素体系不锈钢的表面上。 （附图标记）（AA）氧化皮膜（相对亮的部分）; （BB）氧化铬膜（暗部）; （CC）铁素体不锈钢
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公开(公告)号：KR101273936B1
公开(公告)日：2013-06-11
申请号：KR1020110080650
申请日：2011-08-12
Applicant: 한국과학기술연구원
CPC classification number: C22C38/18 , C21D6/002 , C21D8/0426 , C21D8/0436 , C21D8/0473 , C21D2201/05 , C21D2211/005 , C22C38/005 , C22C38/02 , C22C38/06 , C22C38/24 , C22C38/28 , H01M8/021 , H01M2008/1293 , Y02P70/56
Abstract: Cr을 함유한 페라이트계 스테인리스강으로서 상기 강의 표면에서 후방 산란 전자 회절법(EBSP)에 의해 측정된 {110} 결정방위의 분율이 5% 이상인 페라이트계 스테인리스강; 및 상기 페라이트계 스테인리스강의 표면에 형성된 크롬 산화물막을 포함하는 내산화성 페라이트계 스테인리스강이 제공된다.
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公开(公告)号：KR1020130061053A
公开(公告)日：2013-06-10
申请号：KR1020120118679
申请日：2012-10-24
Applicant: 한국과학기술연구원
CPC classification number: Y02P70/56 , C22C38/18 , C21D6/002 , C22C38/001 , C22C38/005 , C22C38/04 , C22C38/06 , C22C38/14 , C22C38/16 , H01M8/0202
Abstract: PURPOSE: Oxidation resistant ferritic stainless steel, a method of manufacturing the same, and a fuel cell connector using the same are provided to obtain a fuel cell with superior cell performance and reduced Cr volatility by using the ferritic stainless steel, which includes Cu with superior conductivity, as the fuel cell connector. CONSTITUTION: Oxidation resistant ferritic stainless steel comprises a base material of ferrite stainless steel including Fe, Cr, Mn, and Cu element and an oxide of spinel structure including at least one among Cu, Mn, and Cr. The content of the Cu in the ferritic stainless steel is 1.5-7.5 wt%. The ferritic stainless steel further includes Al, Ti, C, and N.
Abstract translation: 目的：提供耐氧化铁素体不锈钢及其制造方法和使用其的燃料电池连接器，以获得具有优异电池性能的燃料电池，并且通过使用包含Cu的优异的铁素体不锈钢来降低Cr挥发度 电导率，作为燃料电池连接器。 构成：耐氧化铁素体不锈钢包括铁素体不锈钢的基体材料，包括Fe，Cr，Mn和Cu元素，以及包括Cu，Mn和Cr中的至少一种的尖晶石结构的氧化物。 铁素体不锈钢中的Cu含量为1.5〜7.5重量％。 铁素体不锈钢还包括Al，Ti，C和N.
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