철계 분말 및 그 제조 방법
    181.
    发明授权
    철계 분말 및 그 제조 방법 失效
    基于铁的粉末及其制备方法

    公开(公告)号:KR100497789B1

    公开(公告)日:2005-06-29

    申请号:KR1019997000439

    申请日:1997-07-18

    Abstract: 본 발명은 저산소, 저탄소 철계 분말을 제조하는 방법에 관한 것이다. 이러한 방법은 크롬, 망간, 구리, 니켈, 바나듐, 니오븀, 붕소, 규소, 몰리브덴, 및 텅스텐으로 구성된 그룹으로부터 선택된 하나 이상의 선택적인 합금 원소와 필수적인 철을 포함하는 분말을 준비하는 단계와, 적어도 H
    2 및 H
    2 O 가스를 함유하는 대기에서 상기 분말을 탈탄하는 단계와, 상기 탈탄 공정 동안 형성된 하나 이상의 탄소 산화물의 농도를 측정하는 단계와, 또는 노의 종방향으로 서로 소정의 거리만큼 떨어져 위치하는 둘 이상의 지점에서 산소 포텐셜을 측정하는 단계와, 상기 측정값의 도움으로 탈탄 대기에서 H
    2 O 가스의 함유량을 조절하는 단계를 포함한다. 다른 선택적인 실시예에서는 산소 포텐셜의 측정과 관련하여 탄소 산화물을 측정하는 것을 포함한다.

    스테인레스강 분말
    182.
    发明公开
    스테인레스강 분말 失效
    不锈钢粉末

    公开(公告)号:KR1020010049187A

    公开(公告)日:2001-06-15

    申请号:KR1019997011787

    申请日:1998-06-17

    Abstract: 본발명은저산소, 필수적으로탄소가없는스테인레스강분말을제조하는방법에관한것이고, 철외에탄소와 10%이상의크롬을함유하는용융강을준비하는단계와, 분무후예상된산소함량에의해결정된값으로용융물의탄소함량을조정하는단계와, 용용물을물 분무하는단계와, 분무된분말그대로 1120 ℃에서물의제어된량을포함하는환원분위기에서어닐링하는단계를포함한다. 본발명은또한중량으로 10% 이상의크롬함량, 0.2와 0.7 사이, 적합하게 0.4와 0.6% 사이의탄소함량과약 1 내지 3의산소/탄소비및 기껏해야 0.5%의불순물을포함하는물 분무강 분말뿐만아니라본 방법에따라서얻은어닐링분말에관한것이다.

    酸化物分散強化型白金材料
    186.
    发明申请
    酸化物分散強化型白金材料 审中-公开
    氧化分散合金铂金材料

    公开(公告)号:WO2006040995A1

    公开(公告)日:2006-04-20

    申请号:PCT/JP2005/018519

    申请日:2005-10-06

    Abstract: Disclosed is an oxide-dispersed platinum material which can be stably used at high temperatures and has excellent weldability. Specifically disclosed is a platinum material reinforced with dispersed oxide wherein particles composed of an oxide of an additional metal are dispersed in a platinum or platinum alloy matrix. Such a platinum material is characterized in that the oxygen concentration in the material excluding oxygen bonded to the additional metal is not more than 100 ppm. The dispersed particles preferably have an average particle diameter of not more than 0.2 µm and an average interparticle distance of 0.01-2.7 µm. The concentration of the dispersed particles is preferably 0.01-0.5% by weight, and the oxidation ratio of the additional metal is preferably 50-100%.

    Abstract translation: 公开了一种氧化物分散的铂材料,其可以在高温下稳定地使用并且具有优异的焊接性。 具体公开了用分散氧化物增强的铂材料,其中由附加金属的氧化物组成的颗粒分散在铂或铂合金基体中。 这种铂材料的特征在于,除了与附加金属结合的氧以外的材料中的氧浓度不大于100ppm。 分散粒子的平均粒径优选为0.2μm以下,平均粒间距离为0.01〜2.7μm。 分散颗粒的浓度优选为0.01-0.5重量%,另外的金属的氧化率优选为50-100%。

    酸化物分散型合金の製造方法
    187.
    发明申请
    酸化物分散型合金の製造方法 审中-公开
    生产含有分散氧化物的合金的方法

    公开(公告)号:WO2006022212A1

    公开(公告)日:2006-03-02

    申请号:PCT/JP2005/015188

    申请日:2005-08-22

    Abstract:  本発明は、母相金属中に1種又は2種以上の添加金属の酸化物からなる分散粒子が分散する酸化物分散型合金の製造方法であって、(a)母相金属と添加金属とからなる合金粉末又は合金線材を製造する工程(b)前記合金粉末又は合金線材を水と共に高エネルギーボールミルに導入し、攪拌することで合金粉末中の添加金属を水により酸化させて分散粒子を形成する工程(c)酸化後の合金粉末又は合金線材を成形固化する工程を含む酸化物分散型合金の製造方法である。本発明は、母相金属の酸化物生成自由エネルギーが水の標準生成自由エネルギーより高く、添加金属の酸化物生成自由エネルギーが水の標準生成自由エネルギーより低い酸化物分散型合金の製造において特に有用である。  

    Abstract translation: 一种分散氧化物合金的制造方法,其中一种或多种添加金属的氧化物颗粒分散在基质金属中。 用于生产含分散氧化物的合金的方法包括(a)制备包含基质金属和一种或多种添加金属的合金的粉末或丝线的步骤,(b)其中 将合金粉末或线材与水一起引入高能球磨机,并搅拌内容物,从而用水氧化合金粉末中的添加剂金属并形成分散的颗粒,(c)其中合金 氧化后的粉末或电线成型和固化。 特别是对于生产含有基体金属的氧化物形成自由能高于水的标准自由能和添加金属的氧化物形成自由能的含分散氧化物的合金是有用的, 低于形成水的标准自由能。

    磁石用固形材料
    188.
    发明申请
    磁石用固形材料 审中-公开
    磁铁固体材料

    公开(公告)号:WO2002089153A1

    公开(公告)日:2002-11-07

    申请号:PCT/JP2002/004089

    申请日:2002-04-24

    Abstract: A solid material for magnet containing a R-Fe-N-H type magnetic material as a primary component is produced by incorporating hydrogen into a rare earth element-iron-nitrogen type magnetic material powder having a rhombohedral or hexagonal crystal structure, preparing a green formed compact in a magnetic or non-magnetic field, and subjecting the green compact to a shock compaction by the use of an underwater shock wave while preventing the decomposition of a R-Fe-N-H type magnetic material by suppressing its residual temperature after the shock compaction to a temperature not higher than the decomposition temperature of the R-Fe-N-H material (ca. 600 DEG C at an ordinary pressure) through utilizing the characteristics of a shock compaction, such as ultra-high pressure shearing property, activating function and short time phenomenon.

    Abstract translation: 含有R-Fe-NH型磁性材料作为主要成分的磁体的固体材料是通过将氢掺入到具有菱形或六方晶体结构的稀土元素 - 铁 - 氮型磁性材料粉末中制备的, 在磁场或非磁场中,通过使用水下冲击波对生坯进行冲击压实,同时通过抑制冲击压实后的残留温度来防止R-Fe-NH型磁性材料的分解,同时 通过利用冲击压实的特性,如超高压剪切性能,活化作用和短时间,不高于R-Fe-NH材料的分解温度(常压约600℃)的温度 现象。

    METHOD FOR PRODUCING METAL FOAMS AND FURNACE FOR PRODUCING SAME
    189.
    发明申请
    METHOD FOR PRODUCING METAL FOAMS AND FURNACE FOR PRODUCING SAME 审中-公开
    用于生产金属粉末和生产其的炉的方法

    公开(公告)号:WO2002059396A1

    公开(公告)日:2002-08-01

    申请号:PCT/EP2002/000714

    申请日:2002-01-24

    Abstract: A method for producing a metal structure comprising the following steps: providing a metal-coated polymer substrate; heating the metal-coated polymer substrate in a hot zone, in which a temperature of at least 600°C prevails and in which an atmosphere essentially composed of water vapor or of a mixture of water vapor and neutral gas is maintained, so as to remove the polymer substrate and form a metal structure; and cooling the metal structure in a cooling zone.

    Abstract translation: 一种制造金属结构体的方法,包括以下步骤:提供金属涂覆的聚合物基材; 在其中保持至少600℃的温度并且其中保持基本上由水蒸气或水蒸气和中性气体的混合物组成的气氛的热区中加热金属涂覆的聚合物基材,以便除去 聚合物基材并形成金属结构; 并在冷却区中冷却金属结构。

    METHOD FOR PREPARING NUCLEAR METAL OR METAL ALLOY PARTICLES
    190.
    发明申请
    METHOD FOR PREPARING NUCLEAR METAL OR METAL ALLOY PARTICLES 审中-公开
    制备核金属或金属合金颗粒的方法

    公开(公告)号:WO02024384A1

    公开(公告)日:2002-03-28

    申请号:PCT/FR2001/002926

    申请日:2001-09-20

    Abstract: The invention concerns a method and a device for preparing nuclear metal or metal alloy particles comprising: means (4) for preparing by melting a fluid mass of the metal or of the alloy; means (12) for providing the fluid mass of the metal or of the metal alloy in the form of a jet of molten metal or metal alloy; means (1-7) for driving a hardening fluid in centrifugal rotation and in spraying particles of the jet of molten metal or metal alloy, and for rapidly hardening the particles; means (16-19) for melting the nuclear metal or the metal alloy under an atmosphere of inert gas, and means for enclosing the jet of molten metal or metal alloy with an inert gas envelope until it is hardened.

    Abstract translation: 本发明涉及一种用于制备核金属或金属合金颗粒的方法和装置,包括:用于通过熔化金属或合金的流体块制备的装置(4); 用于以熔融金属或金属合金射流的形式提供金属或金属合金的流体质量的装置(12); 用于驱动离心旋转中的硬化流体并喷射熔融金属或金属合金射流的颗粒并用于使颗粒快速硬化的装置(1-7) 用于在惰性气体气氛下熔化核金属或金属合金的装置(16-19),以及用惰性气体封套包围熔融金属或金属合金射流的装置,直至硬化。

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