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公开(公告)号：KR100831094B1
公开(公告)日：2008-05-22
申请号：KR1020060107575
申请日：2006-11-02
Applicant: 한국과학기술연구원 , 한국안티겔링메탈 주식회사
IPC: C22C19/05
Abstract: 본 발명은 고강도 내마모성 니켈계 윤활합금에 관한 것으로서, 더욱 상세하게는 니켈(Ni), 크롬(Cr), 비스무트(Bi), 주석(Sn), 몰리브덴(Mo), 망간(Mn), 규소(Si), 티타늄(Ti), 철(Fe) 및 탄소(C)가 일정 조성비를 이루고 있는 합금으로서, Ni과 Cr의 합량이 일정 수준 이상으로 함유되어 내식성과 저열 팽창성이 향상되고, Sn을 소정량 함유하여 Ni-Bi계 금속간 화합물 석출상이 균일하게 분산되어 윤활 특성이 향상되며, C를 소정량 함유하여 Cr 탄화물 및 Ti 탄화물을 형성함으로써 고강도 및 내마모특성이 향상되어 각종 기계 장치의 내연기관 피스톤링 소재로 적용시 더욱 적합하도록 고강도 및 내마모성이 향상된 니켈계 윤활합금에 관한 것이다.
고강도, 내마모성, 니켈계 윤활합금, 내연기관, 피스톤링-
公开(公告)号：KR100528499B1
公开(公告)日：2005-11-15
申请号：KR1020030063159
申请日：2003-09-09
Applicant: 한국안티겔링메탈 주식회사
IPC: C22C19/05
CPC classification number: C22C1/06 , C22C19/056 , C22C19/057
Abstract: 본 발명은 석출상이 분산제어된 내마멸성 윤활합금(Anti-galling)에 관한 것으로서, 더욱 상세하게는 Ni, Cr, Sn, Bi, Mo, Fe, Si 및 Te가 일정 조성비를 이루고 있는 합금으로, 기지조직이 치밀한 수지상 조직(dendrite)을 이루고 있고, Bi 석출상이 수지상에 미세하게 분산 제어되어 있음으로써 윤활 특성이 현저히 개선됨은 물론 내식성, 경도 등의 물리화학적 특성이 크게 개선되어 로타, 샤프트, 밸브, 기계식 밀폐부(mechanical sealing) 등 각종 기계장치의 습동부품용 소재로 활용되어 부품수명의 연장과 함께 기계정밀도의 향상에 크게 기여하게 되는 신규 조성의 윤활합금에 관한 것이다.
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公开(公告)号：KR1020050026177A
公开(公告)日：2005-03-15
申请号：KR1020030063159
申请日：2003-09-09
Applicant: 한국안티겔링메탈 주식회사
IPC: C22C19/05
CPC classification number: C22C1/06 , C22C19/056 , C22C19/057
Abstract: To provide a lubricating alloy which is useful as a material for sliding parts of various machinery and equipment such as rotor, shaft, mechanical sealing and so on by greatly improving lubrication characteristics, corrosion resistance, hardness, etc. of the lubricating alloy. The lubricating alloy has a composition comprising 70 to 75 wt.% of Ni, 8 to 14 wt.% of Cr, 3 to 7 wt.% of Bi, 3 to 6 wt.% of Sn, 1 to 4 wt.% of Mo, less than 2 wt.% of the sum of Fe and Si and 1 to 3 wt.% of Te, wherein the lubricating alloy is used in the cast state without heat treatment, wherein matrix structure of the alloy is constructed in a dendritic structure, and the alloy has a morphology in which fine Bi precipitates are uniformly distributed between the dendritic structures, wherein the alloy is constructed in a dendritic structure and has good lubrication characteristics, corrosion resistance and hardness by fine distribution of Bi precipitates, wherein when the alloy is contacted and rubbed against other metal, friction coefficient and abrasion ratio of the alloy are lowered, and stress breaking(galling phenomenon) is not exhibited on the friction surface since Bi precipitates are coated on the surface of the alloy such that the Bi precipitates function as a lubricant, and wherein the alloy is used as a material for sliding parts of machinery and equipment.
Abstract translation: 提供润滑合金，其通过大大改善润滑合金的润滑特性，耐腐蚀性，硬度等，可用作用于各种机械和设备如转子，轴，机械密封等的滑动部件的材料。 该润滑合金具有70〜75重量％的Ni，8〜14重量％的Cr，3〜7重量％的Bi，3〜6重量％的Sn，1〜4重量％ Mo，小于Fe和Si总和的2重量％，Te为1〜3重量％，其中润滑合金在没有热处理的铸态下使用，其中合金的基体结构以树枝状 结构，并且合金具有细小的Bi沉淀物均匀地分布在树枝状结构之间的形态，其中该合金以树枝状结构构造并且具有良好的润滑特性，耐腐蚀性和通过精细分布的Bi沉淀物的硬度，其中当 合金与其他金属接触并摩擦，合金的摩擦系数和磨损率降低，并且摩擦表面上不显示应力破坏（磨损现象），因为在合金表面上涂布Bi沉淀物使得Bi沉淀 作为润滑剂，a nd，其中该合金用作机械和设备的滑动部件的材料。
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公开(公告)号：KR1020080040079A
公开(公告)日：2008-05-08
申请号：KR1020060107575
申请日：2006-11-02
Applicant: 한국과학기술연구원 , 한국안티겔링메탈 주식회사
IPC: C22C19/05
CPC classification number: C22C19/056 , C22C2202/00
Abstract: An Ni based lubricating alloy with high strength and wear resistance is provided to improve lubricity, wear resistance, high temperature strength, elasticity and corrosion resistance by controlling contents of Ni and C to predetermined levels or more, adding Sn into a Ni-based alloy workpiece, and adding predetermined amounts of Ti and C into the Ni-based alloy workpiece. An Ni based lubricating alloy with high strength and wear resistance comprises 70 to 75 wt.% of nickel(Ni), 10 to 15 wt.% of chromium(Cr), 1 to 6 wt.% of bismuth(Bi), 1 to 5 wt.% of tin(Sn), 1 to 3 wt.% of molybdenum(Mo), 0.1 to 1 wt.% of manganese(Mn), 0.1 to 0.2 wt.% of silicon(Si), 0.5 to 3 wt.% of titanium(Ti), and 0.1 to 1 wt.% of carbon(C). The alloy comprises at least 80 wt.% of a total of the nickel(Ni) and chromium(Cr). The alloy has a matrix that is an NiBi3 phase. A piston ring is made from the Ni based lubricating alloy with high strength and wear resistance.
Abstract translation: 提供具有高强度和耐磨性的Ni基润滑合金，通过将Ni和C的含量控制在预定水平或更高水平以提高润滑性，耐磨性，高温强度，弹性和耐腐蚀性，将Sn添加到Ni基合金工件 并将预定量的Ti和C添加到Ni基合金工件中。 具有高强度和耐磨性的Ni基润滑合金包括70至75重量％的镍（Ni），10至15重量％的铬（Cr），1至6重量％的铋（Bi），1至 5重量％的锡（Sn），1〜3重量％的钼（Mo），0.1〜1重量％的锰（Mn），0.1〜0.2重量％的硅（Si），0.5〜3重量％ ％的钛（Ti）和0.1〜1重量％的碳（C）。 该合金包含至少80重量％的镍（Ni）和铬（Cr）的总量。 该合金具有NiBi3相的基体。 活塞环由Ni基润滑合金制成，具有高强度和耐磨性。
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