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    • 5. 发明授权
    • High-temperature wear-resistant sintered alloy
    • 高温耐磨烧结合金
    • US5949003A
    • 1999-09-07
    • US833195
    • 1997-04-14
    • Yoshimasa AokiKei IshiiKoichiro HayashiKouichi AonumaHideaki KawataKunio MakiAtsushi EhiraAkira FujikiSadayuki AboSeigo Sato
    • Yoshimasa AokiKei IshiiKoichiro HayashiKouichi AonumaHideaki KawataKunio MakiAtsushi EhiraAkira FujikiSadayuki AboSeigo Sato
    • C22C33/02C22C33/00
    • C22C33/0257
    • The invention relates to a sintered alloy. This sintered alloy includes 3-13.4 wt % of W, 0.4-5.6 wt % or 0.8-5.9 wt % of V, 0.2-5.6 wt % of Cr, 0.1-0.6 wt % or 0.6-5.0 wt % of Si, 0.1-0.6 wt % or 0.2-1.0 wt % of Mn, 0.6-2.2 wt % of C, and a balance of Fe. The sintered alloy includes first and second phase which are distributed therein, in a form of spots, respectively. The second phase is in an amount of from 20 to 80 wt %, based on the total weight of the first and second phases. The first phase contains 3-7 wt % of W, 0.5-1.5 wt % of optional V, up to 1 wt % of Cr, 0.1-0.6 wt % or 0.6-5.0 wt % of Si, 0.1-0.6 wt % or 0.2-1.0 wt % of Mn, up to 2.2 wt % of C, and a balance of Fe. The second phase contains 3-15 wt % of W, 2-7 wt % of V, 1-7 wt % of Cr, 0.1-0.6 wt % or 0.6-5.0 wt % of Si, 0.1-0.6 wt % or 0.2-1.0 wt % of Mn, up to 2.2 wt % of C, and a balance of Fe. When the manganese contents of the first and second phases and the total of the sintered alloy are respectively in a range of from 0.2 to 1.0 wt %, sulfur is respectively contained therein in an amount of from 0.1 to 0.6 wt %. The sintered alloy has wear-resistant at high temperature and good compatibility without damaging mating part that is in contact with the sintered alloy.
    • 本发明涉及一种烧结合金。 该烧结合金包含3-13.4重量%的W,0.4-5.6重量%或0.8-5.9重量%的V,0.2-5.6重量%的Cr,0.1-0.6重量%或0.6-5.0重量%的Si,0.1- 0.6重量%或0.2-1.0重量%的Mn,0.6-2.2重量%的C,余量为Fe。 烧结合金包括分别以斑点形式分布在其中的第一相和第二相。 基于第一相和第二相的总重量,第二相的量为20〜80重量%。 第一相包含3-7重量%的W,0.5-1.5重量%的任选的V,至多1重量%的Cr,0.1-0.6重量%或0.6-5.0重量%的Si,0.1-0.6重量%或0.2 -1.0重量%的Mn,至多2.2重量%的C,余量为Fe。 第二相含有3-15重量%的W,2-7重量%的V,1-7重量%的Cr,0.1-0.6重量%或0.6-5.0重量%的Si,0.1-0.6重量%或0.2- 1.0重量%的Mn,至多2.2重量%的C,余量为Fe。 当第一相和第二相的锰含量和烧结合金的总量分别在0.2〜1.0重量%的范围内时,其中分别含有0.1〜0.6重量%的硫。 烧结合金在高温下具有耐磨性和良好的相容性,而不损害与烧结合金接触的配合部分。
    • 6. 发明申请
    • NANOCARBON/ALUMINUM COMPOSITE MATERIAL, PROCESS FOR PRODUCING THE SAME, AND PLATING LIQUID FOR USE IN SAID PROCESS
    • 纳米碳/铝复合材料,其制造方法以及用于合成工艺中的镀液
    • US20090277793A1
    • 2009-11-12
    • US12066027
    • 2006-06-16
    • Atsushi EhiraRyo MurakamiNobuyuki KouraKoichi UiTakashi Yatsushiro
    • Atsushi EhiraRyo MurakamiNobuyuki KouraKoichi UiTakashi Yatsushiro
    • C25D5/00C25D7/00
    • C25D15/02C25D3/665C25D5/18
    • [Object] To provide a nanocarbon/aluminum composite material having high strength and electrical conductivity for suitable use in a lead wire, a heat exchanger and an automotive part and a process for producing the nanocarbon/aluminum composite material.[Solution] There is provided a plating liquid for nanocarbon/aluminum composite production, comprising an aluminum halide, nanocarbon and 1,3-dialkylimidazolium halide and/or the like, wherein the molar ratio of the aluminum halide to the 1,3-dialkylimidazolium halide and/or the like is in the range of 20:80 to 80:20 and the 1,3-dialkylimidazolium halide and/or the like has an alkyl group with a carbon number of 1 to 12. There are also provided a nanocarbon/aluminum composite production process comprising forming a plating film on a substrate surface by electrolysis of the plating liquid in a dry, oxygen-free atmosphere with the passage of a direct current etc. under the electrolysis conditions of a bath temperature of 0 to 300° C. and a current density of 0.01 to 50 A/dm2 and a nanocarbon/aluminum composite material produced by this production process.
    • 本发明提供一种具有高强度和导电性的纳米碳/铝复合材料,适用于引线,热交换器和汽车部件以及制造纳米碳/铝复合材料的方法。 [解决方案]提供了一种用于纳米碳/铝复合材料生产的电镀液,包括卤化铝,纳米碳和1,3-二烷基咪唑鎓卤化物等,其中卤化铝与1,3-二烷基咪唑的摩尔比 卤化物和/或类似物在20:80至80:20的范围内,并且1,3-二烷基咪唑鎓卤化物和/或类似物具有碳数为1至12的烷基。还提供了一种纳米碳 铝复合体的制造方法,其特征在于,在浴温为0〜300℃的电解条件下,在干燥,无氧气氛中电解电镀液,在基板表面上形成镀膜 并且电流密度为0.01〜50A / dm 2,以及通过该制造方法制造的纳米碳/铝复合材料。
    • 7. 发明授权
    • High-temperature wear-resistant sintered alloy
    • 高温耐磨烧结合金
    • US06340377B1
    • 2002-01-22
    • US09547340
    • 2000-04-11
    • Hideaki KawataKei IshiiKoichiro HayashiYoshimasa AokiAtsushi EhiraKunio MakiMasaki Toriumi
    • Hideaki KawataKei IshiiKoichiro HayashiYoshimasa AokiAtsushi EhiraKunio MakiMasaki Toriumi
    • C22C3300
    • C22C38/60B22F2998/00C22C33/0257C22C38/22C22C38/24C22C38/38C22C33/0242
    • The invention relates to an iron-based high-temperature wear-resistant sintered alloy. This alloy contains 3.74-13.36 wt % W, 0.39-5.58 wt % V, 0.2-5.78 wt % Cr, 0.1-0.6 wt % Si, 0.39-1.99 wt % Mn, 0.21-1.18 wt % S, and up to 2.16 wt % C. This alloy includes 20-80 wt % of a first phase and 80-20 wt % of a second phase, each distributed therein, in the form of spots. The first phase contains 3-7 wt % W, up to 1 wt % Cr, 0.1-0.6 wt % Si, 0.2-1 wt % Mn, 0.1-0.6 wt % S, and up to 2.2 wt % C. The first phase may contain 0.5-1.5 wt % V, and in this case the vanadium content of the alloy becomes 0.79-5.88 wt %. The second phase contains 7-15 wt % W, 2-7 wt % V, 1-7 wt % Cr, 0.1-0.6 wt % Si, 0.2-1 wt % Mn, 0.1-0.6 wt % S, and up to 2.2 wt % of C. Each phase contains 0.3-1.6 wt % MnS and a carbide of at least tungsten, which are dispersed therein. The second phase further contains 10-20 areal % tungsten carbide (particle diameter: ≧1 &mgr;m) dispersed therein. The alloy further contains 0.3-16 wt % MnS grains dispersed in grain boundaries and/or pores. The alloy is greatly improved in wear resistance, while suppressing damage to mating part in contact with the alloy.
    • 本发明涉及铁基高温耐磨烧结合金。 该合金含有3.74-13.36重量%W,0.39-5.58重量%V,0.2-5.78重量%Cr,0.1-0.6重量%Si,0.39-1.99重量%Mn,0.21-1.18重量%S和至多2.16重量% %C。该合金包括20-80重量%的第一相和80-20重量%的第二相,各自以斑点的形式分布在其中。 第一相包含3-7重量%的W,至多1重量%的Cr,0.1-0.6重量%的Si,0.2-1重量%的Mn,0.1-0.6重量%的S和至多2.2重量%的C。第一相 可以含有0.5-1.5重量%的V,在这种情况下合金的钒含量为0.79-5.88重量%。 第二相包含7-15重量%W,2-7重量%V,1-7重量%Cr,0.1-0.6重量%Si,0.2-1重量%Mn,0.1-0.6重量%S和至多2.2 每个相含有0.3-1.6重量%的MnS和至少分散在其中的钨的碳化物。 第二相还包含分散在其中的10-20个区域%碳化钨(粒径:> =1μm)。 该合金还含有分散在晶界和/或孔中的0.3-16重量%的MnS晶粒。 该合金的耐磨性大大提高,同时抑制与合金接触的配合部件的损伤。
    • 8. 发明授权
    • Valve operating apparatus
    • 阀门操作装置
    • US5692465A
    • 1997-12-02
    • US732679
    • 1996-10-16
    • Takanori SawadaShoji MoritaMakoto KanoShinichi TakemuraAtsushi Ehira
    • Takanori SawadaShoji MoritaMakoto KanoShinichi TakemuraAtsushi Ehira
    • C23C14/06F01L1/18F01L13/00
    • F01L13/0005F01L1/185F01L2101/00
    • A main rocker arm is supported for swinging motion to operate one of the intake and exhaust valves of an internal combustion engine. A high-speed rocker arm is supported on the main rocker arm for swinging motion according to rotation of a high-speed cam rotating in synchronism with engine rotation. The high-speed rocker arm has a slip surface for engagement with the high-speed cam. The high-speed rocker arm is drivingly connected to the main rocker arm for swinging motion in unison with the main rocker arm when the engine is operating at a high speed. The driving connection is released to permit swinging motion of the main rocker arm according to rotation of a low-speed cam independently of the swinging motion of the high-speed rocker arm when the engine is operating at a low speed. The slip surface of the high-speed rocker arm is made of an alloy tool steel having carbide deposited and dispersed to provide a hardness of HRC55 or more to the slip surface. A hard coat is formed through physical vapor deposition on the slip surface of the high-speed rocker arm.
    • 主摇臂被支撑用于摆动运动,以操作内燃机的进气门和排气门之一。 主摇臂支撑高速摇臂,根据与发动机旋转同步旋转的高速凸轮的旋转摆动。 高速摇臂具有用于与高速凸轮接合的滑动表面。 当发动机高速运转时,高速摇臂与主摇臂相互驱动连接,与主摇臂协调摆动。 当发动机以低速运转时,驱动连接被释放以允许主摇臂随着低速凸轮的旋转的摆动运动而与高速摇臂的摆动运动无关。 高速摇臂的滑动面由合金工具钢制成,其具有沉积和分散的碳化物,以向滑动表面提供HRC55以上的硬度。 通过物理气相沉积在高速摇臂的滑动表面上形成硬涂层。