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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：KR101112027B1
公开(公告)日：2012-02-24
申请号：KR1020090071270
申请日：2009-08-03
Applicant: 한국과학기술연구원
IPC: G01N23/203 , G01N23/225
Abstract: 본 발명은 펄라이트 콜로니의 크기를 측정하기 위해서 전자후방산란회절(EBSD) 및 입계연결 개념을 이용한 측정방법에 관한 것으로서, 전자후방산란회절(EBSD)을 이용하여 펄라이트상을 갖는 강재의 결정방위를 측정하는 단계;
상기 측정된 결정방위를 이용하여 결정방위 사이의 방위차를 계산하여 방위차 맵(또는 패턴질 맵, pattern quality map)을 작성하는 단계;
상기 방위차를 이용하여 콜로니 구분 기준값(θ
st )과 입계완성 기준값(θ
gb )을 설정하는 단계; 및
상기 설정된 콜로니 구분 기준값 및 입계완성 기준값과 상기 방위차를 비교하여 펄라이트 콜로니 입계(boundary)를 결정하는 단계를 포함한다.
펄라이트 콜로니(pearlite colony), 전자후방산란회절(electron back scattered diffraction), 입계연결(boundary completion)-
公开(公告)号：KR1020110032928A
公开(公告)日：2011-03-30
申请号：KR1020090090690
申请日：2009-09-24
Applicant: 한국과학기술연구원
CPC classification number: Y02E60/324
Abstract: PURPOSE: A hydrogen storage material and a producing method thereof are provided to prevent the reduction of the hydrogen storage capacity by adding a catalyst. CONSTITUTION: A hydrogen storage material contains lithium boron hydride and yttrium hydride. The yttrium hydride is selected from either yttrium dihydride or yttrium trihydride. The molar ratio of the lithium boron hydride for the yttrium hydride is 2~8. The lithium boron hydride and the yttrium hydride inter-react with each other when discharging hydrogen from the storage material, and changes into lithium hydride and yttrium boride.
Abstract translation: 目的：提供一种储氢材料及其制备方法，以防止通过加入催化剂降低储氢能力。 构成：储氢材料含有硼氢化锂和氢化钇。 氢化钇选自二氢钇或三钇钇。 硼氢化锂对于氢化钇的摩尔比为2〜8。 当从储存材料中排出氢时，硼氢化锂和氢化钇相互相互反应，并变成氢化锂和硼化钇。
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公开(公告)号：KR1020110030141A
公开(公告)日：2011-03-23
申请号：KR1020090088133
申请日：2009-09-17
Applicant: 한국과학기술연구원
CPC classification number: H01M8/021 , H01M8/0228 , Y02P70/56
Abstract: PURPOSE: A fuel cell interconnector and a method for manufacturing the same are provided to improve the performance of a fuel cell by forming a chromium manganese oxide-based spinel oxide layer on ferrite-based steel. CONSTITUTION: A method for manufacturing a fuel cell interconnector includes the following: Ferrite-based steel for a fuel cell interconnector is prepared. A surface deformed layer is formed on the surface of the ferrite-based steel. A Cr_2MnO_4-based spinel oxide layer is formed on the surface deformed layer by implementing a thermal treatment process at the driving temperature of a solid oxide-based fuel cell.
Abstract translation: 目的：提供燃料电池互连器及其制造方法，通过在铁素体系钢上形成铬锰氧化物系尖晶石氧化物层来提高燃料电池的性能。 构成：燃料电池互连器的制造方法包括：制备燃料电池互连器用的铁素体系钢。 在铁素体系钢的表面上形成表面变形层。 通过在固体氧化物系燃料电池的驱动温度下实施热处理工艺，在表面变形层上形成Cr 2 MnO 4系的尖晶石氧化物层。
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公开(公告)号：KR1020020077559A
公开(公告)日：2002-10-12
申请号：KR1020010017303
申请日：2001-04-02
Applicant: 한국과학기술연구원
IPC: H01F41/02
Abstract: PURPOSE: An NdFeB-family sintered magnet and method for manufacturing the same is provided to increase coercivity of the sintered magnet without decreasing the remanence and maximum energy product. CONSTITUTION: A method for manufacturing NdFeB-family sintered magnet, comprises a first step of preparing NdFeB-family alloy powder having a composition of Nd:29.00 to 33.00 weight percent, Dy:1.00 weight percent or lower, Al:0.30 weight percent or lower and B:0.91 to 1.20 weight percent or lower and Fe as a remaining part; a second step of mixing Ag powder with the NdFeB-family alloy powder, and ball milling the mixture powder; and a third step of compression molding the mixture powder, at the state where a magnetic field is applied, sintering the compression molded mixture powder and performing heat treatment to the resultant structure.
Abstract translation: 目的：提供NdFeB族烧结磁体及其制造方法，以提高烧结磁体的矫顽力，而不会降低剩磁和最大能量积。 构成：钕铁硼族烧结磁体的制造方法，包括：制备Nd：29.00〜33.00重量％，Dy：1.00重量％以下，Al：0.30重量％以下的NdFeB系合金粉末的第一工序 B：0.91〜1.20重量％以下，Fe为剩余部分; 将Ag粉末与NdFeB族合金粉末混合并将粉末混合粉碎的第二步; 以及在施加磁场的状态下对混合粉末进行压缩成型的第三步骤，对压缩成型的混合物粉末进行烧结并对所得到的结构进行热处理。
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Patent Agency Ranking
公开(公告)号：KR101800678B1
公开(公告)日：2017-12-20
申请号：KR1020160097220
申请日：2016-07-29
Applicant: 한국과학기술연구원
CPC classification number: C22C38/52 , C22C38/06 , C22C38/48 , C22C2026/006
Abstract: 본발명은, 고온에서낮은열팽창계수및 우수한기계적특성을가지는저열팽창내열합금을제공한다. 본발명의일실시예에따른저열팽창내열합금은, 25 중량% 내지 28 중량%의니켈(Ni); 18 중량% 내지 21 중량%의코발트(Co); 3 중량% 내지 7 중량%의크롬(Cr); 1 중량% 내지 3 중량%의알루미늄(Al); 0.5 중량% 내지 1.5 중량%의니오븀(Nb); 0.05 중량% 내지 0.3 중량% 탄소(C); 및잔부는철(Fe)과불가피한불순물을포함한다.
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公开(公告)号：KR1020150063230A
公开(公告)日：2015-06-09
申请号：KR1020130147588
申请日：2013-11-29
Applicant: 한국과학기술연구원
IPC: C22C1/08
CPC classification number: C22B34/14
Abstract: Zr을포함하는다공체의제조방법이제공되고, 본발명의일 구현예에서는 Zr을포함하는합금재료를준비하는단계, 합금재료를수소압력분위기에서열처리하는단계, 합금재료내, Zr 이외의금속을제거하는단계, 그리고탈수소화공정을수행하는단계를포함하는 Zr을포함하는다공체의제조방법을제공한다.
Abstract translation: 提供了含有Zr的多孔体的制造方法。 根据本发明实施方案的含Zr多孔体的制造方法包括：制备含有Zr的合金材料的步骤; 在氢气氛中对合金材料进行热处理的工序; 合金材料除去Zr以外的金属的工序; 以及进行脱氢工序的工序。
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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：KR101091863B1
公开(公告)日：2011-12-12
申请号：KR1020090019174
申请日：2009-03-06
Applicant: 한국과학기술연구원 , 주식회사 세아창원특수강
CPC classification number: C21D6/004 , B82Y30/00 , C21D8/0205 , C21D2211/001 , C21D2211/004 , C22C38/001 , C22C38/02 , C22C38/04 , C22C38/06 , C22C38/42 , C22C38/44 , C22C38/46 , C22C38/48 , C22C38/52
Abstract: 단, 여기서상기 C, N, Nb, V는각각해당성분의함량(중량%)을의미한다.
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公开(公告)号：KR1020110083994A
公开(公告)日：2011-07-21
申请号：KR1020100004006
申请日：2010-01-15
Applicant: 한국과학기술연구원
CPC classification number: Y02E60/364
Abstract: PURPOSE: A hydrogen storing material and a method for manufacturing the same are provided to mix metal borohydride with different thermodynamic stabilities and secure the thermodynamic stability, less than the average value of the different thermodynamic stabilities, to the hydrogen storing material. CONSTITUTION: A hydrogen storing material includes lithium borohydride(LiBH_4) and calcium borohydride(Ca(BH_4)_2) by mixing lithium borohydride powder and calcium borohydride powder(S10). The ratio of the lithium borohydride with respect to the calcium borohydride is between 0.25 and 4. The molar ratio of lithium borohydride powder with respect to calcium borohydride powder is between 0.6 and 1. A material selected from a group including catalyst, reaction product of the catalyst and the lithium borohydride, and another reaction product of the catalyst and the calcium borohydride is additionally included.
Abstract translation: 目的：提供储氢材料及其制造方法，以混合具有不同热力学稳定性的金属硼氢化物，并确保小于不同热力学稳定性的平均值的氢储存材料的热力学稳定性。 构成：通过混合硼氢化锂粉末和硼氢化钙粉末（S10），储氢材料包括硼氢化锂（LiBH_4）和硼氢化钙（Ca（BH_4）_2）。 硼氢化锂相对于硼氢化钙的比例为0.25-4。硼氢化锂粉末相对于硼氢化钙粉末的摩尔比在0.6和1之间。选自包括催化剂，反应产物 催化剂和硼氢化锂，另外还包括催化剂和硼氢化钙的另一反应产物。
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