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公开(公告)号：KR100533334B1
公开(公告)日：2005-12-05
申请号：KR1020030052362
申请日：2003-07-29
Applicant: 학교법인연세대학교
IPC: C22C45/04
Abstract: 본 발명은 니켈기 비정질 합금조성물에 관한 것으로, 일반식
Ni
a (Zr
x Ti
y (Nb, Ta)
z )Si
b Sn
c (여기서, a, x, y, z, b, c 는 각각 니켈, 질코늄, 티타늄, 니오븀 또는 탄탈늄, 실리콘, 주석의 원자%를 의미하며, 50 원자%≤a≤61 원자%, 20 원자%≤x+y≤41, 0.1≤z≤20 원자%, 0 원자%-
公开(公告)号：KR100498569B1
公开(公告)日：2005-07-01
申请号：KR1020030008913
申请日：2003-02-12
Applicant: 학교법인연세대학교
IPC: C22C19/03
Abstract: 본 발명은 액상으로부터 10
6 K/s 이하의 냉각속도로 유리천이온도(glass transition temperature)이하의 온도까지 냉각하였을 경우 20K 이상의 과냉각 액상 영역(supercooled liquid region)을 갖는 비정질이 형성되는 Ni-Zr-Nb-Al계 니켈기 비정질 합금조성물에 관한 것이다.
본 발명의 비정질 합금은 우수한 비정질 형성능을 가지며, 특히 40-50K 이상의 과냉각 액상 영역을 갖고 있어 두께 1mm 혹은 그 이상의 크기로 주조법에 의하여 제조될 수 있어 이 영역의 온도에서 점성 유동을 이용한 고온 성형이 가능할 뿐 아니라 높은 강도, 내마모성, 내부식성을 지니고 있기 때문에 고강도 내마모 부품, 구조용 재료, 용접 및 코팅 재료 등으로 제조되어 사용될 수 있다.-
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公开(公告)号：KR100489372B1
公开(公告)日：2005-05-12
申请号：KR1020030013483
申请日：2003-03-04
Applicant: 학교법인연세대학교
IPC: C23C4/04
Abstract: 본 발명은 기계의 마찰 및 마모특성을 향상시키기 위한 알루미늄계 준결정상을 함유하는 복합재의 코팅층 및 그의 제조방법에 관한 것이다.
본 발명은 금속 또는 금속간화합물 기지에 알루미늄계 준결정 합금분말과 금속, 금속간화합물, 세라믹, 서밋 및 폴리머 분말 중 적어도 어느 하나를 함유하는 복합재의 코팅층을 특징으로 한다.
또한, 본 발명은, 알루미늄계 준결정 합금분말을 금속, 금속간화합물, 세라믹, 서밋 및 폴리머 분말 중 적어도 어느 하나와 혼합하여 혼합분말을 준비하는 단계와, 상기 혼합분말을 용사코팅하여 코팅층을 형성하는 단계를 포함하는 것을 특징으로 한다.-
公开(公告)号：KR1020050000246A
公开(公告)日：2005-01-03
申请号：KR1020030040852
申请日：2003-06-23
Applicant: 학교법인연세대학교
IPC: C22C45/00
Abstract: PURPOSE: To provide a Cu-based amorphous alloy which increases amorphization efficiency, offers a possibility of application as structural material for copper alloy due to great increase of strength and is commercialized more easily by adding a fifth element to a conventional Cu-Ni-Zr-Ti quaternary amorphous alloy, thereby improving glass forming ability. CONSTITUTION: The Cu-based amorphous alloy composition is characterized in that it is represented as a general formula: $û(Cu+Ni)x(Ti+Zr)y$ý100-(a+b)(M1,M2)a(M3)b, wherein x, y, a and b satisfy 39
Abstract translation: 目的：为了提供增加非晶化效率的Cu基非晶态合金，由于强度的大幅度提高，可以作为铜合金的结构材料使用，并且通过向常规的Cu-Ni-Zr添加第五元素更容易商业化 -Ti四价非晶合金，从而提高玻璃形成能力。 构成：Cu基非晶合金组合物的特征在于其以通式表示：$û（Cu + Ni）x（Ti + Zr）y $ý100-（a + b）（M1，M2）a M3）b，其中x，y，a和b分别作为原子％分别满足39 <= x <= 71,29 <= y <= 61,0 <= a <= 10和0 <= b <= 5 a和b同时不是0; M1是作为金属元素的Y，Nb，Co或Ag; M2是Al，In或Sn作为两性元素; 并且M3是作为非金属元素的P，B或Si。
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Patent Agency Ranking
公开(公告)号：KR100448152B1
公开(公告)日：2004-09-09
申请号：KR1020010080196
申请日：2001-12-17
Applicant: 학교법인연세대학교
IPC: B22F1/00
Abstract: PURPOSE: An amorphous matrix composite is provided in which ductile particles are reinforced through manufacturing process for integrating the mixed powder after mixing amorphous powder with a certain amount of ductile powder, and a method for manufacturing the same is provided. CONSTITUTION: The ductile particle reinforced amorphous matrix composite is characterized in that ductile powder is dispersed into amorphous powder so that the mixed powder is integrated, wherein the amorphous powder includes all alloy systems that can be manufactured of amorphous powder, wherein the ductile powder includes all types of material having strain stress lower than strain stress generated when forming the amorphous powder in supercooling zone, and wherein the ductile powder is contained in the composite in the range of 0.1 to 40 vol.%. The method for manufacturing the ductile particle reinforced amorphous matrix composite comprises the steps of preparing a mixed powder by mixing amorphous powder with ductile powder; obtaining a billet compacting the mixed powder in the state that the mixed powder is sealed in a container; and integrating the mixed powder by processing the billet at a temperature of amorphous supercooling zone, wherein the amorphous powder includes all alloy systems that can be manufactured of amorphous powder, wherein the alloy system is any one alloy system of Ni-matrix, Ti-matrix, Zr-matrix, Al-matrix, Fe-matrix, La-matrix, Cu-matrix, or Mg-matrix, wherein the ductile powder includes all types of material having strain stress lower than strain stress generated when forming the amorphous powder in supercooling zone, wherein the ductile powder is contained in the composite in the range of 0.1 to 40 vol.%, and wherein the integration step of the mixed powder is performed by hot extrusion or hot forging.
Abstract translation: 目的：提供一种非晶态基质复合材料，其中通过制造工艺来增强韧性颗粒，以便在将非晶态粉末与一定量的延性粉末混合后使所述混合粉末一体化，并提供其制造方法。 构成：延性颗粒增强的无定形基质复合材料的特征在于，延性粉末分散成无定形粉末，以便混合粉末被整合，其中无定形粉末包括可以由无定形粉末制造的所有合金体系，其中延性粉末包括所有 应变应力低于在过冷却区域中形成无定形粉末时产生的应变应力的材料类型，并且其中延性粉末包含在复合材料中的范围为0.1至40体积％。 制造延性颗粒增强非晶基质复合材料的方法包括以下步骤：通过将非晶粉末与延性粉末混合来制备混合粉末; 在将混合粉末密封在容器中的状态下获得压实混合粉末的坯料; 并通过在非晶过冷区的温度下处理所述坯料来整合所述混合粉末，其中所述非晶粉末包括可由非晶粉末制造的所有合金体系，其中所述合金体系是镍基体，钛基体 ，Zr基质，Al基质，Fe基质，La基质，Cu基质或Mg基质，其中延性粉末包括应变应力低于在过冷却中形成无定形粉末时产生的应变应力的所有类型的材料 其中所述可延性粉末包含在所述复合材料中的范围为0.1至40体积％，并且其中所述混合粉末的整合步骤通过热挤压或热锻造进行。
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公开(公告)号：KR100415400B1
公开(公告)日：2004-01-16
申请号：KR1020010022724
申请日：2001-04-26
Applicant: 학교법인연세대학교
IPC: B22F9/00
Abstract: PURPOSE: A method for preparing Al-based quasicrystalline particles by self-fracturing is provided, which can prepare Al-based quasicrystalline with a particle size of about 100 μm by self-fracturing in atmosphere at low cost. CONSTITUTION: The method includes the steps of dissolving 0.1 to 1.0 wt.% of carbon in Al-Cu-Fe based alloy or Al-Co-Ni based alloy to prepare an Al-based quasicrystalline alloy ingot; heat treating the Al-based quasicrystalline alloy ingot at 730 to 780 deg.C for 2 to 5 hrs; and exposing the Al-based quasicrystalline alloy ingot in atmosphere.
Abstract translation: 目的：提供一种通过自动压裂来制备铝基准晶颗粒的方法，该方法通过在大气中以低成本自行压裂来制备粒度为约100μm的铝基准晶。 组成：该方法包括在Al-Cu-Fe基合金或Al-Co-Ni基合金中溶解0.1-1.0wt％的碳以制备Al基准晶合金锭的步骤; 在730至780℃下热处理Al基准晶合金锭2至5小时; 并在大气中暴露Al基准晶合金块。
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公开(公告)号：KR1020030049866A
公开(公告)日：2003-06-25
申请号：KR1020010080196
申请日：2001-12-17
Applicant: 학교법인연세대학교
IPC: B22F1/00
Abstract: PURPOSE: An amorphous matrix composite is provided in which ductile particles are reinforced through manufacturing process for integrating the mixed powder after mixing amorphous powder with a certain amount of ductile powder, and a method for manufacturing the same is provided. CONSTITUTION: The ductile particle reinforced amorphous matrix composite is characterized in that ductile powder is dispersed into amorphous powder so that the mixed powder is integrated, wherein the amorphous powder includes all alloy systems that can be manufactured of amorphous powder, wherein the ductile powder includes all types of material having strain stress lower than strain stress generated when forming the amorphous powder in supercooling zone, and wherein the ductile powder is contained in the composite in the range of 0.1 to 40 vol.%. The method for manufacturing the ductile particle reinforced amorphous matrix composite comprises the steps of preparing a mixed powder by mixing amorphous powder with ductile powder; obtaining a billet compacting the mixed powder in the state that the mixed powder is sealed in a container; and integrating the mixed powder by processing the billet at a temperature of amorphous supercooling zone, wherein the amorphous powder includes all alloy systems that can be manufactured of amorphous powder, wherein the alloy system is any one alloy system of Ni-matrix, Ti-matrix, Zr-matrix, Al-matrix, Fe-matrix, La-matrix, Cu-matrix, or Mg-matrix, wherein the ductile powder includes all types of material having strain stress lower than strain stress generated when forming the amorphous powder in supercooling zone, wherein the ductile powder is contained in the composite in the range of 0.1 to 40 vol.%, and wherein the integration step of the mixed powder is performed by hot extrusion or hot forging.
Abstract translation: 目的：提供一种无定形基质复合材料，其中通过制造方法来加强延性粒子，该混合粉末在混合无定形粉末与一定量的延性粉末之后使混合粉末整合，并提供其制造方法。 构成：延性粒子增强无定形基质复合材料的特征在于，延性粉末分散成无定形粉末，使混合粉末整合，其中无定形粉末包括可由无定形粉末制成的所有合金体系，其中延性粉末包括全部 具有低于在过冷区中形成无定型粉末时产生的应变应力的应变应力的类型，并且其中所述复合材料中所述的延性粉末在0.1至40体积％的范围内。 制造延性粒子增强无定形基质复合材料的方法包括以下步骤：通过将无定形粉末与延性粉末混合来制备混合粉末; 获得在混合粉末密封在容器中的状态下压实混合粉末的坯料; 并且通过在无定形过冷区域的温度下加工所述坯料来整合所述混合粉末，其中所述无定形粉末包括可以由无定形粉末制造的所有合金体系，其中所述合金体系是Ni基体，Ti基体 Zr基体，Al基体，Fe基体，La基体，Cu基体或Mg基体，其中，延性粉末包括应变应力低于在过冷时形成无定形粉末时产生的应变应力的所有类型的材料 其特征在于，所述复合体中含有0.1〜40体积％的所述延展性粉末，其中，所述混合粉末的一体化步骤通过热挤压或热锻造进行。
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公开(公告)号：KR100382885B1
公开(公告)日：2003-05-09
申请号：KR1020000002545
申请日：2000-01-20
Applicant: 학교법인연세대학교
IPC: C22C45/00
Abstract: PURPOSE: An amorphous alloy improved in amorphous formability obtained by adding Ag, Ni or Zn to conventional Mg alloy compositions comprising Mg, Cu and Y is provided, which can be used as amorphous light-weight material. CONSTITUTION: The titled alloy is obtained by adding below 25 atomic weight of one or more elements selected from the group consisting of Ag, Ni and Zn to magnesium alloy containing Cu and Y. The alloy can be processed to bulk materials by metallic mold casting at a cooling speed of several tens K/sec or less.
Abstract translation: 目的：提供一种通过将Ag，Ni或Zn加入到包含Mg，Cu和Y的常规Mg合金组合物中而获得的非晶态可成形性的非晶合金，其可以用作非晶质轻质材料。 组成：标题合金是通过在含有Cu和Y的镁合金中加入低于25原子量的选自Ag，Ni和Zn的一种或多种元素而获得的。该合金可以通过在 几十K / sec或更低的冷却速度。
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公开(公告)号：KR100360530B1
公开(公告)日：2002-11-13
申请号：KR1020000020587
申请日：2000-04-19
Applicant: 학교법인연세대학교
IPC: C22C45/04
Abstract: 본 발명은 니켈기 비정질 합금조성물에 관한 것이다. 이들 합금의 조성은 니켈-질코늄-티타늄-실리콘 4원계 합금이며, 조성범위는 니켈 45-63 원자%, 질코늄+티타늄 32-48 원자%, 실리콘 1-11 원자% 이며 일반식 Ni
a (Zr
lx Ti
x )
b Si
c 에 의해 나타낼 수 있으며, 또한 여기에 V, Cr, Mn, Cu, Co, W, Sn, Mo, Y, C, B, P, Al 중 적어도 한 종류의 원소(M)를 전체 조성물에 대하여 2-15 원자% 첨가한 합금조성물이 개시된다.
본 발명의 니켈기 벌크 비정질 합금은 우수한 비정질 형성능을 갖고 있어서 두께 1mm 혹은 그 이상의 크기로 주조법에 의하여 제조될 수 있다. 또한 50K 이상의 과냉각 액상 영역을 갖고 있어 과냉각 액상 영역의 온도에서 점성 유동을 이용한 고온 성형이 가능할 뿐 아니라 본 발명의 니켈기 벌크 비정질 합금은 높은 강도, 내마모성, 내부식성을 지니고 있기 때문에 고강도 내마모 부품, 구조용 재료, 용접 및 코팅 재료 등에 벌크 형태의 비정질 합금으로 제조되어 사용될 수 있다.
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