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公开(公告)号：KR101371699B1
公开(公告)日：2014-03-12
申请号：KR1020060130639
申请日：2006-12-20
Applicant: 재단법인 포항산업과학연구원
IPC: C22C45/02
Abstract: 철계 비정질 합금이 제공된다.
이 비정질 합금은, 원자%로, Cr:11-13%, Mo:1-3%, C:5-7%, B:5-7%, P:8-10%, Si:0.5-3%를 포함하고 나머지 Fe로 조성되고, 추가적으로 Co, Cu, Nb, W의 그룹에서 선택되는 적어도 1종이 포함된다.
본 발명의 철계 비정질 합금은, 비정질 안정화능과 비정질 형성능이 개선되어 벌크상태 또는 판재로서의 제조가 용이해진다.
비정질, 벌크, 철계 합금, 비정질 형성능-
公开(公告)号：KR1020140019607A
公开(公告)日：2014-02-17
申请号：KR1020120085918
申请日：2012-08-06
Applicant: 주식회사 포스코 , 재단법인 포항산업과학연구원
Abstract: According to the present invention, provided is a device for forming an atmosphere for casting an amorphous ribbon comprising: a sealed type tundish in which a crucible for storing a molten steel inside is installed; a nozzle installed in the lower end of the outside of the tundish for spraying the molten steel stored in the crucible; a cooling roll arranged in the lower part of the nozzle while maintaining a constant distance with the nozzle for manufacturing an amorphous ribbon by rapidly cooling the molten steel sprayed from the nozzle; and an inert atmosphere forming part, which is installed in the outer circumference surface of the cooling roll, for forming a carbon dioxide (CO2) inert atmosphere around the outer circumference surface of the cooling roll by causing contact friction with the cooling roll in an area where the molten steel sprayed from the nozzle is in contact with the cooling roll in a planar flow casting (PFC) process among the manufacturing processes of an amorphous ribbon.
Abstract translation: 根据本发明，提供一种用于形成用于铸造无定形带的气氛的装置，包括：密封型中间包，其中安装有用于储存钢水的坩埚; 安装在中间包外侧的下端的喷嘴，用于喷射存储在坩埚中的钢水; 冷却辊布置在喷嘴的下部，同时通过快速冷却从喷嘴喷射的钢水，与用于制造无定形带的喷嘴保持恒定的距离; 以及安装在冷却辊的外周面的惰性气氛形成部，用于通过与冷却辊的区域的接触摩擦在冷却辊的外周面周围形成二氧化碳（CO 2）的惰性气氛 在非晶质带的制造工艺中，喷嘴喷射的钢水与平面流铸（PFC）工艺中的冷却辊接触。
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公开(公告)号：KR1020130060792A
公开(公告)日：2013-06-10
申请号：KR1020110127044
申请日：2011-11-30
Applicant: 주식회사 포스코 , 재단법인 포항산업과학연구원
IPC: B22D11/06
Abstract: PURPOSE: An air blocking apparatus for manufacturing an amorphous strip or ribbon is provided to prevent surface unevenness of the amorphous strip or ribbon by blocking the inflow of air circulated with a cooling roll between a nozzle and the cooling roll. CONSTITUTION: An air blocking apparatus(10) for manufacturing an amorphous strip or ribbon comprises a tundish which includes a crucible for storing molten steel therein, a nozzle which is installed at the outer bottom of the tundish and ejects the molten steel stored in the crucible, a cooling roll which is arranged at a distance from the bottom of the nozzle and rapidly cools the molten steel ejected from the nozzle to manufacture strip, and an air shielding unit(100) which is installed at the front of the nozzle and rotated with the cooling roll by the rotation of the cooling roll to block the air flowing into the nozzle.
Abstract translation: 目的：提供一种用于制造非晶带或带的空气阻挡装置，以防止在喷嘴和冷却辊之间通过冷却辊循环的空气的流入来防止非晶带或带的表面不均匀。 构成：用于制造非晶带或带的空气阻断装置（10）包括：包括用于在其中储存钢水的坩埚的中间包，安装在中间包的外部底部并喷射存储在坩埚中的钢水的喷嘴 ，冷却辊，其布置成距离喷嘴底部一定距离，并且迅速地冷却从喷嘴喷出的钢水以制造条带;以及空气屏蔽单元（100），其安装在喷嘴的前部并随着 冷却辊通过冷却辊的旋转来阻止流入喷嘴的空气。
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公开(公告)号：KR1020130050747A
公开(公告)日：2013-05-16
申请号：KR1020110115970
申请日：2011-11-08
Applicant: 주식회사 포스코 , 재단법인 포항산업과학연구원
Abstract: PURPOSE: A molten metal supply device is provided to stably supply molten metal and to minimize the surface fluctuation of the molten metal when the molten metal is supplied. CONSTITUTION: A molten metal supply device comprises a stopper(10) and a supply part. The stopper is extended into a crucible(100) to selectively shield a molten metal outlet(14) at the bottom of the crucible. The supply part is formed in the stopper to supply the molten metal into the crucible by the stopper.
Abstract translation: 目的：提供熔融金属供应装置以稳定地供应熔融金属，并且在供应熔融金属时最小化熔融金属的表面波动。 构成：熔融金属供给装置包括止动件（10）和供给部件。 塞子延伸到坩埚（100）中以选择性地屏蔽坩埚底部的熔融金属出口（14）。 供给部形成在塞子中，通过塞子将熔融金属供给到坩埚中。
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公开(公告)号：KR1020120136223A
公开(公告)日：2012-12-18
申请号：KR1020110055302
申请日：2011-06-08
Applicant: 재단법인 포항산업과학연구원
Abstract: PURPOSE: A nozzle control device for an amorphous strip manufacturing system is provided to continuously manufacture amorphous alloy strip with good quality by monitoring and regulating the position of a nozzle to maintain a constant gap between the nozzle and a cooling roll. CONSTITUTION: A nozzle control device for an amorphous strip manufacturing system comprises a crucible(100) for heating and melting an amorphous alloy, a nozzle(110) installed on one side of the bottom of the crucible to eject molten alloy, a cooling roll(120) installed close to the underside of the nozzle and rapidly cooling the molten alloy ejected from the nozzle to produce an amorphous metal strip, and a gap sensing unit for sensing the gap between the nozzle and the cooling roll.
Abstract translation: 目的：提供一种用于非晶带制造系统的喷嘴控制装置，通过监测和调节喷嘴的位置以在喷嘴和冷却辊之间保持恒定的间隙来连续地制造具有良好质量的非晶合金条。 构造：用于非晶条制造系统的喷嘴控制装置包括用于加热和熔化非晶合金的坩埚（100），安装在坩埚底部的一侧以喷射熔融合金的喷嘴（110），冷却辊 120），并且快速地冷却从喷嘴喷出的熔融合金以产生无定形金属条;以及间隙检测单元，用于感测喷嘴和冷却辊之间的间隙。
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Patent Agency Ranking
公开(公告)号：KR1020110076572A
公开(公告)日：2011-07-06
申请号：KR1020090133317
申请日：2009-12-29
Applicant: 주식회사 포스코 , 재단법인 포항산업과학연구원 , 철강융합신기술연구조합 , 주식회사 세아창원특수강
CPC classification number: C21D6/004 , C21D1/26 , C21D6/005 , C21D6/008 , C22C38/42 , C22C38/44 , C22C38/54 , C22C38/58
Abstract: PURPOSE: A super high strength and high corrosion resistant stainless steel alloy and a manufacturing method thereof are provided to ensure high strength of over 156kg/mm^2 by changing a structure and mechanical properties depending on added elements, a forging condition and a heat treatment condition. CONSTITUTION: Stainless alloy steel ingot consists of 0.001-0.1% of C, 10-25% of Cr, 5-20% of Ni, 0.1-5% of Al, 0.1-5% of Si, 0.1-5% of Mn, 0.1-5% of Mo, 0.01-3% of B, 0.1-5% of Cu, Fe and other inevitable impurities. The stainless alloy steel ingot consists of one or more of one of 0.01-5% of W, 0.01-5% of V, 0.01-5% of Ti and 0.01-5% of Nb. The steel ingot is hot-plasticized, is homogenized at a temperature of 900-1150°C, is solution-treated at a temperature of 700-1000°C and is precipitation-hardened at a temperature of 500-600°C.
Abstract translation: 目的：提供超高强度，高耐蚀不锈钢合金及其制造方法，通过根据添加元素，锻造条件和热处理改变结构和机械性能，确保超过156kg / mm ^ 2的高强度 条件。 构成：不锈钢合金钢锭由C：0.001-0.1％，Cr：10-25％，Ni：5-20％，Al：0.1-5％，Si：0.1-5％，Mn：0.1-5％ Mo的0.1-5％，B的0.01-3％，Cu，Fe等不可避免的杂质为0.1-5％。 不锈钢合金钢锭由W的0.01-5％，V的0.01-5％，Ti的0.01-5％，Nb的0.01-5％组成。 将钢锭热塑化，在900-1150℃的温度下均化，在700-1000℃的温度下进行溶液处理，并在500-600℃的温度下进行沉淀硬化。
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公开(公告)号：KR1020110076571A
公开(公告)日：2011-07-06
申请号：KR1020090133316
申请日：2009-12-29
Applicant: 주식회사 포스코 , 주식회사 세아창원특수강 , 철강융합신기술연구조합 , 재단법인 포항산업과학연구원
Abstract: PURPOSE: A method of casting large steel ingot and a casting mold are provided to reduce coagulation defect in a cast product by improving coagulation model of steel ingot without additional facility or energy consumption. CONSTITUTION: The upper and lower parts of a mold have different heat radiating conditions when ingot steel is cooled. The lower part of the mold is more quickly cooled than the upper part of the mold according to the heat radiating condition. The lower part of the mold is super-cooled more than the upper part of the mold when the ingot steel is cooled. An area of super-cooling is within a range of 20-90% from the lower end of the mold on the height of the mold. The upper part of the mold is insulated when the ingot steel is cooled by a cooling part(12). An area of insulating is within a range of 10-80% from the upper end of the mold on the height of the mold.
Abstract translation: 目的：提供铸造大型钢锭和铸模的方法，通过提高钢锭的凝固模型，无需额外的设备或能量消耗，减少铸造产品的凝固缺陷。 构成：当铸锭冷却时，模具的上部和下部具有不同的散热条件。 根据散热条件，模具的下部比模具的上部更快地冷却。 当钢锭冷却时，模具的下部超过模具的上部。 在模具的高度上，超冷却区域在模具下端的20-90％的范围内。 当钢锭被冷却部件（12）冷却时，模具的上部被绝缘。 在模具的高度上，绝缘区域在模具上端的10-80％的范围内。
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公开(公告)号：KR100920310B1
公开(公告)日：2009-10-08
申请号：KR1020020083467
申请日：2002-12-24
Applicant: 재단법인 포항산업과학연구원
IPC: G01B11/14
Abstract: 본 발명은 급냉응고 스트립 제조설비의 갭 측정 및 유지장치와 그 방법에 관한 것으로서, 냉각롤의 표면과 노즐 개구부 사이의 좁은 갭을 특수 영상처리기능을 부가한 화상처리장치를 이용하여 주조 공정에 영향을 받지 않으면서 정확하게 측정하고 주조 중의 갭을 일정하게 유지할 수 있도록 하여 정밀도가 높은 스트립을 생산하기 위한 것이다.
이를 위하여 본 발명은 노즐 개구부와 냉각롤 사이의 갭에 대한 화상신호를 촬상하는 카메라와; 상기 카메라 촬상신호를 그레이(Gray)처리, 컬러(Color) 농담 처리 및 정규화 상관 처리하여 그 처리된 결과로부터 갭 측정치를 검출하여 출력하는 화상처리장치를 포함하는 갭 측정장치; 및 상기 화상처리장치의 갭 측정치를 입력받아 기준치와 비교하여 갭 조절을 위한 제어신호를 발생하는 제어장치와; 상기 갭 조절 제어신호에 따라 상기 노즐 개구부와 냉각롤 사이의 갭을 일정치로 유지시키는 갭 조절장치를 더 포함하는 갭 유지장치를 제공한다.
급냉응고 스트립, 단롤법, 주조, 갭측정, 갭유지-
公开(公告)号：KR100919006B1
公开(公告)日：2009-09-25
申请号：KR1020070098635
申请日：2007-10-01
Applicant: 재단법인 포항산업과학연구원
IPC: C23C26/00
Abstract: 본 발명은 투명금속 및 그 제조방법에 관한 것으로, 금속기지에 연속적이고 일방향성을 갖는 다수의 미세 기공을 형성하는 단계와; 미세 기공이 형성된 금속기지를 투광성 또는 형광성 재료가 액상으로 존재하는 챔버내에 침지시키는 단계와; 상기 챔버를 대기압 이하로 진공시켜 액상의 투광성 혹은 형광성 재료가 모세관 현상에 의해 상기 금속기지의 미세 기공 내부로 침투 삽입되는 단계와; 상기 액상의 투광성 혹은 형광성 재료가 침투 삽입된 금속기지를 가압 소결하는 단계로 제조된 투명금속 및 그러한 제조방법을 제공한다.
본 발명에 따르면, 투명한 금속을 다양한 형상으로 만들어 금속 재료가 갖는 고유특성인 고강도, 고인성, 재활용성, 난연성, 친환경성, 인체무해성 등을 그대로 가지면서 빛의 투과성을 이용하여 다양한 기능을 함께 갖출 수 있도록 함으로써 복합기능을 가진 새로운 특성 재료를 얻어 활용분야를 더욱 넓히고, 환경규제에 따른 소재 제한을 뛰어 넘을 수 있는 대체 소재를 얻을 수 있다.
투명금속, 금속기지, 폴리머, 투광체, 형광체, 모세관 현상-
公开(公告)号：KR1020080057677A
公开(公告)日：2008-06-25
申请号：KR1020060131266
申请日：2006-12-20
Applicant: 재단법인 포항산업과학연구원
IPC: C22C19/03
CPC classification number: C22C19/03 , C21D8/005 , C22C1/1036 , C22C33/04 , C22C38/08 , C22C2202/00
Abstract: A Ni-Fe-Si alloy for low thermal expansion and a fabrication method thereof are provided to improve continuous mold performance with less inflow of impurities in a solution/molding process by adding Si component to the alloy. A Ni-Fe-Si alloy for low thermal expansion includes, by weight%, C: less than 0.015%, Mn: less than 1.0%, P: less than 0.01%, S: less than 0.005%, Al: 0.01 to 0.02%, O: less than 0.006%, Si: 0.1 to 4.5%, Ni: 30 to 85%, and the remainder Fe, and other unavoidable impurities. The difference between a liquid temperature and a solid state temperature is 60 to 140°C. The alloy includes one of a group having Mo:1 to 15%, Cu:1 to 15%, and Nb: 1 to 15%.
Abstract translation: 提供了一种用于低热膨胀的Ni-Fe-Si合金及其制造方法，以通过向合金中添加Si组分来提高连续的模具性能，同时在溶液/模制过程中少量的杂质流入。 用于低热膨胀的Ni-Fe-Si合金包括：C：小于0.015％，Mn：小于1.0％，P：小于0.01％，S：小于0.005％，Al：0.01至0.02 ％，O：小于0.006％，Si：0.1〜4.5％，Ni：30〜85％，余量为Fe等不可避免的杂质。 液体温度和固态温度之间的差为60〜140℃。 该合金包括Mo：1〜15％，Cu：1〜15％，Nb：1〜15％的组合。
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