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    • 31. 发明授权
    • Fe와 Fe-Si를 포함하는 저철손 Fe-P 연자성 소재 및 그 제조방법
    • 具有低核心损失的FE-P软磁材料FE和FE及其制造方法
    • KR101564740B1
    • 2015-11-02
    • KR1020140117055
    • 2014-09-03
    • 한국생산기술연구원
    • 김휘준이주호배정찬권도훈황규철차은지
    • H01F1/22B22F3/20
    • 본발명은연자성특성이우수하며와전류손실이적은, Fe와 Fe-Si를포함하는저철손 Fe-P 연자성소재및 그제조방법을위하여, 순수 Fe 분말, Fe-Si 분말및 Fe-P 분말을준비하는단계, 상기순수 Fe 분말, Fe-Si 분말및 Fe-P 분말을혼합하는단계, 상기혼합한순수 Fe 분말, Fe-Si 분말및 Fe-P 분말을가압소결하여예비성형체를형성하는단계, 상기예비성형체를용기에장입하는단계, 상기예비성형체가장입된상기용기를냉간프레싱하는단계및 상기예비성형체가장입된상기금속제용기를열처리하는단계를포함하는, Fe와 Fe-Si를포함하는저철손 Fe-P 연자성소재및 그제조방법을제공한다.
    • 本发明涉及能够获得高软磁特性和低涡流损耗的包含Fe和Fe-Si的Fe-P软磁材料及其制造方法。 本发明提供具有Fe和Fe-Si的低铁损的Fe-P软磁性材料及其制造方法,其包括以下步骤:制备纯Fe粉末,Fe-Si粉末和Fe-P粉末; 将纯Fe粉末,Fe-Si粉末和Fe-P粉末彼此混合; 通过压制和烧结混合的纯Fe粉末,Fe-Si粉末和Fe-P粉末来形成预成型体; 将预成型体注入容器中; 将预成型体插入其中的容器冷压; 并对预成型体插入的金属容器进行热处理。
    • 34. 发明公开
    • 진공 수직 원심 주조법에 의한 벌크 비정질 합금 튜브의 제조 방법
    • 通过真空离心铸造制备大块金属玻璃管的方法
    • KR1020130048983A
    • 2013-05-13
    • KR1020110113943
    • 2011-11-03
    • 한국생산기술연구원
    • 김휘준배정찬이주호김하림
    • B22D13/02
    • PURPOSE: A preparing method for a bulk metallic glass tube by a vacuum centrifugal casting is provided to manufacture a bulk metallic glass tube with an excellent surface roughness by reducing a parasitic phenomenon of a molten metal through control of a crucible driving and a graphite mold. CONSTITUTION: A preparing method for a bulk metallic glass tube by a vacuum centrifugal casting comprises the following steps: A mold is heated at 170 deg. C to 230 deg. C under a vacuum atmosphere and the mold rotates at a predetermined RPM(Revolution Per Minute) in order to apply a centrifugal force at 70G to 100G; The tube is centrifugal casted within the mold by injecting a molten metal of dissolved bulk metallic glasses as a basic material into the mold; A heater heats up the mold in a state of connecting the heater which is embedded within the mold to a power supply unit; The heater which is embedded within the mold is separated from the power supply unit before the mold rotates.
    • 目的:提供一种通过真空离心铸造的块状金属玻璃管的制备方法,以通过控制坩埚驱动和石墨模具来减少熔融金属的寄生现象来制造具有优异表面粗糙度的块状金属玻璃管。 构成:通过真空离心铸造的块状金属玻璃管的制备方法包括以下步骤:将模具在170度加热。 C至230度 C,并且模具以预定RPM(每分钟转数)旋转,以便施加70G至100G的离心力; 通过将溶解的块状金属玻璃的熔融金属作为基本材料注入模具中,将管离心铸造在模具内; 加热器将嵌入在模具内的加热器连接到电源单元的状态下加热模具; 嵌入模具内的加热器在模具旋转之前与电源单元分离。
    • 35. 发明公开
    • 일산화규소 나노분말의 고순도화 방법
    • 熔融纳米粉末的方法
    • KR1020120031198A
    • 2012-03-30
    • KR1020120016837
    • 2012-02-20
    • 한국생산기술연구원주식회사 코닉글로리
    • 조명제고영주김휘준배정찬김용곤
    • C01B33/113B01J19/10
    • C01B33/113C01P2004/64C01P2006/80
    • PURPOSE: A method for purifying silicon monoxide nanopowder is provided to implement a purifying process with respect to silicon monoxide by reacting impurities in the silicon monoxide with an acidic or alkaline reactant solution. CONSTITUTION: Silicon monoxide nanopowder with carrier gas is injected into a container storing an acidic or alkaline reactant solution through an introducing tube(S1). Impurities in the silicon monoxide nanopowder are reacted with the acidic or alkaline reactant solution in the container(S2). After the impurities are dissolved, precipitated silicon monoxide nanopowder is ultrasound wave-washed using distilled water(S3). The temperature of the acidic or alkaline reactant solution is maintained at a temperature between 25 and 80 degrees Celsius.
    • 目的:提供一种纯化一氧化硅纳米粉体的方法,通过使一氧化硅中的杂质与酸性或碱性反应物溶液反应来实现一氧化硅的净化过程。 构成:将带有载气的一氧化硅纳米粉末通过引入管(S1)注入储存酸性或碱性反应物溶液的容器中。 一氧化硅纳米粉末中的杂质与容器中的酸性或碱性反应物溶液反应(S2)。 杂质溶解后,使用蒸馏水对沉淀的一氧化硅纳米粉末进行超声波洗涤(S3)。 酸性或碱性反应物溶液的温度保持在25至80摄氏度之间的温度。
    • 38. 发明公开
    • 고경도 고인성 철계 비정질-나노 복합소재
    • 基于有机物的非晶纳米复合材料,具有优异的硬度和韧性
    • KR1020080000459A
    • 2008-01-02
    • KR1020060058294
    • 2006-06-27
    • 한국생산기술연구원
    • 김휘준배정찬이근우
    • B82B1/00B82Y40/00
    • C22C45/02C22C38/02C22C38/44C22C38/54C22C38/58
    • A Fe-based amorphous-nano composite alloy is provided to improve impact strength, hardness and toughness, which does not require additional heat treatment and surface treatment. A Fe-based amorphous-nano composite alloy includes 3.5-5.5wt% of Ni, 1.0-2.0wt% of Mn, 3.0-9.5wt% of Mo, 1.2-6.2wt% of Cr, 0.8-1.5wt% of Si, 2.1-3.2wt% of C, and the balance being Fe and inevitable impurities. The resulting Fe-based amorphous-nano composite alloy has impact strength of 22kgfm/ cm^2 or higher, while maintaining hardness of Hv 1100(HRc70) or higher only with casting process. In particular, Mo, Cr, Si, B, and C, each being within the desired content range, increase amorphous formation capability.
    • 提供了一种Fe基非晶纳米复合合金,以提高冲击强度,硬度和韧性,不需要额外的热处理和表面处理。 Fe基非晶纳米复合合金包括3.5-5.5重量%的Ni,1.0-2.0重量%的Mn,3.0-9.5重量%的Mo,1.2-6.2重量%的Cr,0.8-1.5重量%的Si, 2.1-3.2重量%的C,余量为Fe和不可避免的杂质。 所得到的Fe基非晶纳米复合材料的冲击强度为22kgfm / cm ^ 2以上,同时保持硬度为Hv1100(HRc70)以上。 特别地,Mo,Cr,Si,B和C各自在所需的含量范围内,增加了非晶形成能力。