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公开(公告)号：US5949003A
公开(公告)日：1999-09-07
申请号：US833195
申请日：1997-04-14
申请人： Yoshimasa Aoki , Kei Ishii , Koichiro Hayashi , Kouichi Aonuma , Hideaki Kawata , Kunio Maki , Atsushi Ehira , Akira Fujiki , Sadayuki Abo , Seigo Sato
发明人： Yoshimasa Aoki , Kei Ishii , Koichiro Hayashi , Kouichi Aonuma , Hideaki Kawata , Kunio Maki , Atsushi Ehira , Akira Fujiki , Sadayuki Abo , Seigo Sato
CPC分类号： C22C33/0257
摘要： 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.
摘要翻译： 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。
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公开(公告)号：US06340377B1
公开(公告)日：2002-01-22
申请号：US09547340
申请日：2000-04-11
申请人： Hideaki Kawata , Kei Ishii , Koichiro Hayashi , Yoshimasa Aoki , Atsushi Ehira , Kunio Maki , Masaki Toriumi
发明人： Hideaki Kawata , Kei Ishii , Koichiro Hayashi , Yoshimasa Aoki , Atsushi Ehira , Kunio Maki , Masaki Toriumi
IPC分类号： C22C3300
CPC分类号： C22C38/60 , B22F2998/00 , C22C33/0257 , C22C38/22 , C22C38/24 , C22C38/38 , C22C33/0242
摘要： 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.
摘要翻译： 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。
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3.发明授权
公开(公告)号：US5529602A
公开(公告)日：1996-06-25
申请号：US392183
申请日：1995-02-22
申请人： Kei Ishii , Yoshimasa Aoki , Hideaki Kawata , Akira Fujiki , Katsuyuki Nakamura , Kazuhiko Takahashi
发明人： Kei Ishii , Yoshimasa Aoki , Hideaki Kawata , Akira Fujiki , Katsuyuki Nakamura , Kazuhiko Takahashi
CPC分类号： F01L3/04 , C22C33/0207 , C22C33/0285 , F02B1/04 , F02B2275/18 , F02B3/06 , Y10T428/12042
摘要： Disclosed is a sintered iron alloy and a method of manufacturing the same. The sintered alloy comprises: an alloy matrix and a lead phase for imparting lubricability to the sintered alloy. The alloy matrix comprises a first alloy phase being composed of 0.5 to 3% nickel by weight, 0.5 to 3% molybdenum by weight, 5.5 to 7.5% cobalt by weight, 0.6 to 1.2% carbon by weight, and the balance iron, and a second alloy phase being composed of 26 to 30% molybdenum by weight, 7 to 9% chromium by weight, 1.5 to 2.5% silicon by weight, and the balance cobalt. The content of the lead phase in the sintered alloy is not more than 3.5% by weight. The lead phase is dispersed in the alloy matrix and a pore which is formed in the alloy matrix. The ratio of the lead dispersed in the alloy matrix to the total lead phase is 60% by weight or more, and the lead phase dispersed in the alloy matrix is particles in which the maximum particle size is 10 .mu.m or less. In manufacture, a lead powder having a particle size of approximately 50 .mu.m or less is mixed a first raw material powder for the first alloy phase and a second raw material powder for the second alloy phase at a lead content of not more than 3.5% by weight. After compacting and sintering the mixture, the sintered compact is cooled so that the temperature of the compact in the vicinity of 328.degree. C. is cooled at a cooling rate of approximately 2.degree. C./min. or more.
摘要翻译： 公开了一种烧结铁合金及其制造方法。 烧结合金包括：赋予烧结合金润滑性的合金基体和铅相。 该合金基体包括第一合金相，其由0.5-3重量％的镍，0.5-3重量％的钼，5.5-7.5重量％的碳，0.6-1.2重量％的碳和余量的铁组成， 第二合金相由26〜30重量％的钼，7〜9重量％的铬，1.5〜2.5重量％的硅和余量的钴组成。 烧结合金中铅相的含量不超过3.5重量％。 铅相分散在合金基体中，并形成在合金基体中的孔。 分散在合金基体中的铅与总铅相的比例为60重量％以上，分散在合金基体中的铅相是最大粒径为10μm以下的粒子。 在制造时，将粒径约为50μm以下的铅粉末，以不超过3.5％的铅含量混合第一合金相的第一原料粉末和第二合金相的第二原料粉末， 重量。 压实烧结混合物后，将烧结体冷却至328℃附近的压坯温度以约2℃/分钟的冷却速度冷却。 或者更多。
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公开(公告)号：US5753005A
公开(公告)日：1998-05-19
申请号：US781271
申请日：1997-01-10
申请人： Yoshimasa Aoki , Kei Ishii , Yukio Tokuyama , Yuji Soda
发明人： Yoshimasa Aoki , Kei Ishii , Yukio Tokuyama , Yuji Soda
CPC分类号： C22C33/0278 , C22C33/0285 , C22C38/22 , C22C38/24 , C22C38/30
摘要： A source powder for a wear-resistant sintered material, consisting essentially of, in weight percentages, Cr: 3.0 to 6.0%, 2 Mo+W: 10.0 to 20.0%, V: 1.0 to 8.0%, Co: 10.0% or below, C: 0.20% to {0.01(2 Mo+W)+0.24 V}%, Si: 0.1 to 1.0%, Mn: 0.1 to 1.0% and the balance being Fe and unavoidable impurities, or one prepared by adding 0.10 to 0.8% of S to the above composition. This powder can be compacted into a green compact having a high green density, which can further give a wear-resistant sintered material having a high sintered density, hardness and strength.
摘要翻译： 用于耐磨烧结材料的源粉末，其重量百分比基本上由Cr：3.0至6.0％，2 Mo + W：10.0至20.0％，V：1.0至8.0％，Co：10.0％或更低， C：0.20％〜{0.01（2 Mo + W）+ 0.24V}％，Si：0.1〜1.0％，Mn：0.1〜1.0％，余量为Fe和不可避免的杂质，或者添加0.10〜0.8％ 的S化合物。 该粉末可以压实成具有高生坯密度的生坯，这可以进一步得到具有高烧结密度，硬度和强度的耐磨烧结材料。
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5.发明授权Sintered alloy having superb wear resistance and process for producing the same 有权具有优良耐磨性的烧结合金及其制造方法公开(公告)号：US06251157B1
公开(公告)日：2001-06-26
申请号：US09376855
申请日：1999-08-18
申请人： Yoshimasa Aoki , Koichiro Hayashi , Koichi Aonuma , Toru Tsuboi
发明人： Yoshimasa Aoki , Koichiro Hayashi , Koichi Aonuma , Toru Tsuboi
IPC分类号： C22C110
CPC分类号： C22C33/0221 , F02F7/0085 , F16C33/043 , F16C33/121
摘要： A sintered alloy having superb wear resistance comprising: composite phases dispersed in a matrix of the sintered alloy; the composite phase consisting of; a particle group in which Cr carbide particles and Cr sulfide particles exist in a mixed condition; and a ferrite phase or a mixture phase of ferrite and austenite surrounding the particle group as a core.
摘要翻译： 一种具有优异耐磨性的烧结合金，其特征在于包括：分散在烧结合金基质中的复合相; 复合相组成; 在混合状态下存在Cr碳化物粒子和Cr硫化物粒子的粒子群; 铁素体相或铁素体和奥氏体的混合相围绕粒子群为核心。
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公开(公告)号：US06302937B1
公开(公告)日：2001-10-16
申请号：US09450204
申请日：1999-11-29
申请人： Koichiro Hayashi , Yoshimasa Aoki , Koichi Aonuma
发明人： Koichiro Hayashi , Yoshimasa Aoki , Koichi Aonuma
IPC分类号： C22C3300
CPC分类号： C22C38/56 , B22F2998/00 , C22C33/0207 , C22C33/0285 , C22C38/36 , C22C38/44 , C22C38/46 , C22C33/0228 , C22C33/0242
摘要： The present invention provides a sintered material having high mechanical strength and superior wear resistance, and to a process of manufacture therefor. A sintered alloy having superior wear resistance has an overall composition consisting of, in percent by weight, Ni in an amount of 6.0 to 25.0%, Cr in an amount of 0.6 to 8.75%, C in an amount of 0.54 to 2.24%, and balance consisting of Fe, the sintered alloy exhibiting a metallographic structure in which the following hard phase is dispersed in a mixed structure of martensite and austenite, the hard phase comprising a core consisting of Cr carbide and a ferrite phase diffused Cr, or a mixed phase of ferrite and austenite diffused Cr, surrounding the core, and an area ratio of austenite in the mixed structure in the metallographic structure ranging from 5 to 30%.
摘要翻译： 本发明提供一种具有高机械强度和优异耐磨性的烧结材料及其制造方法。 具有优异的耐磨性的烧结合金具有以重量％计含有6.0〜25.0％的Ni，0.6〜8.75％的Cr，0.54〜2.24％的C，以及0.54〜2.24％的C， 余量由Fe组成，烧结合金呈现金相组织，其中以下硬相分散在马氏体和奥氏体的混合结构中，硬质相包含由碳化铬和铁素体相扩散的Cr组成的芯，或混合相 的铁素体和奥氏体扩散Cr，围绕芯，并且金相组织中的混合结构中奥氏体的面积比为5〜30％。
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公开(公告)号：US5834664A
公开(公告)日：1998-11-10
申请号：US779524
申请日：1997-01-07
申请人： Koichi Aonuma , Yoshimasa Aoki , Koichiro Hayashi
发明人： Koichi Aonuma , Yoshimasa Aoki , Koichiro Hayashi
CPC分类号： F01L3/22 , C22C33/0257 , F02F7/0085
摘要： The present invention provides a valve seat having a suitable degree of wear resistance, which can be produced without recourse to expensive elements represented by cobalt and at a cost lower than ever before. This valve seat is formed of a wear-resistant sintered alloy having a general composition consisting essentially of, in weight ratio, 0.736 to 5.79% of nickel, 0.12 to 6.25% of chromium, 0.294 to 0.965% of molybdenum, and 0.508 to 2.0% of carbon with the balance being iron, and inevitable impurities, and having a micro structure wherein a bainite matrix structure or a mixed bainite and sorbite matrix structure includes a nucleus having a hard phase composed mainly of chromium carbide, and a ferrite surrounding said nucleus and having a high chromium concentration and a martensite surrounding said ferrite are dispersed.
摘要翻译： 本发明提供了具有适当程度的耐磨性的阀座，其可以在不用以钴代表的昂贵元件的情况下生产，并且成本低于之前的成本。 该阀座由耐磨烧结合金形成，该耐磨烧结合金的总体组成主要由重量比为镍的0.736至5.79％，铬0.12至6.25％，钼的0.294-0.965％和钼的0.508至2.0％ 的碳，余量为铁和不可避免的杂质，并且具有微结构，其中贝氏体基体结构或混合贝氏体和索氏体基体结构包括具有主要由碳化铬组成的硬相的核和围绕所述核的铁素体，以及 具有高铬浓度和围绕所述铁素体的马氏体分散。
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公开(公告)号：US5824922A
公开(公告)日：1998-10-20
申请号：US779517
申请日：1997-01-07
申请人： Koichi Aonuma , Yoshimasa Aoki , Koichiro Hayashi
发明人： Koichi Aonuma , Yoshimasa Aoki , Koichiro Hayashi
CPC分类号： C22C33/0207 , C22C33/0257
摘要： The invention provides a valve seat having a suitable degree of wear resistance, which can be produced without recourse to expensive elements represented by cobalt and at a cost lower than ever before. This valve seat is formed of a wear-resistant sintered alloy having a general composition consisting essentially of, in weight ratio, 0.736 to 9.65% of nickel, 0.736 to 2.895% of copper, 0.294 to 0.965% of molybdenum, 0.12 to 6.25% of chromium, and 0.508 to 2.0% of carbon with the balance being iron, and inevitable impurities, and having a metallic structure in which there are dispersed (1) a martensite, (2) a bainite having a nucleus of sorbite and/or upper bainite and surrounding said nucleus, (3) an austenite having a high nickel concentration, and (4) a hard phase surrounding with a ferrite having a high chromium concentration and composed mainly of a chromium carbide.
摘要翻译： 本发明提供了具有适当程度的耐磨性的阀座，其可以在不用以钴代表的昂贵元件的情况下生产，而且成本比以往低。 该阀座由耐磨烧结合金形成，该耐磨烧结合金的总体组成基本上由以下组成：重量比为镍的0.736〜9.65％，铜的0.736〜2.895％，钼的0.294〜0.965％，钼的0.12〜6.25％ 铬和0.508〜2.0％的碳，余量为铁和不可避免的杂质，并且具有分散（1）马氏体的金属结构，（2）具有索氏体和/或上贝氏体核的贝氏体 并围绕所述核，（3）具有高镍浓度的奥氏体，以及（4）围绕铬酸盐浓度高且主要由碳化铬组成的铁素体的硬相。
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公开(公告)号：US08755972B2
公开(公告)日：2014-06-17
申请号：US13515979
申请日：2010-12-15
申请人： Yoshimasa Aoki , Kuniyoshi Tanaka
发明人： Yoshimasa Aoki , Kuniyoshi Tanaka
CPC分类号： B62D17/00 , B60G7/006 , B60G2200/462 , B60G2202/422 , B62D5/0418 , B62D7/146 , B62D7/159
摘要： In a rear wheel toe angle control system, the toe angle response properties of the right and left wheels are prevented from differing from each other depending on the operating condition of the vehicle, and the handling of the vehicle can be improved. The rear wheel toe angle control system (10) comprises a control command angle computing unit (83) for setting a target toe angel for each rear wheel (5) according to an operating condition of the vehicle (V), an angle-length conversion unit (87) for setting a target operating amount of each electric actuator (11) according to the target toe angle, a stroke sensor (17) for detecting an actual operating amount of each electric actuator (11), a motor position feed back duty computation unit (89) for setting a control value of each electric actuator (11) according to the difference between the actual operating amount and the target operating amount, and a compensating unit (90) for compensating the control value according to a value such as the lateral acceleration of the vehicle body (1) which is associated with the axial force of each electric actuator (11).
摘要翻译： 在后轮束角控制系统中，根据车辆的运转状况，能够防止左右车轮的脚尖角响应特性彼此不同，能够提高车辆的搬运。 后轮束角控制系统（10）包括控制指令角计算单元（83），用于根据车辆（V）的操作状态设定每个后轮（5）的目标趾部角度，角度长度转换 单元（87），用于根据目标束角设置每个电动致动器（11）的目标操作量;行程传感器（17），用于检测每个电致动器（11）的实际操作量;电机位置反馈 计算单元（89），用于根据实际操作量和目标操作量之间的差设定每个电致动器（11）的控制值;以及补偿单元（90），用于根据诸如 与每个电动致动器（11）的轴向力相关联的车体（1）的横向加速度。
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公开(公告)号：US20120253608A1
公开(公告)日：2012-10-04
申请号：US13515979
申请日：2010-12-15
申请人： Yoshimasa Aoki , Kuniyoshi Tanaka
发明人： Yoshimasa Aoki , Kuniyoshi Tanaka
IPC分类号： G06F7/00
CPC分类号： B62D17/00 , B60G7/006 , B60G2200/462 , B60G2202/422 , B62D5/0418 , B62D7/146 , B62D7/159
摘要： In a rear wheel toe angle control system, the toe angle response properties of the right and left wheels are prevented from differing from each other depending on the operating condition of the vehicle, and the handling of the vehicle can be improved. The rear wheel toe angle control system (10) comprises a control command angle computing unit (83) for setting a target toe angel for each rear wheel (5) according to an operating condition of the vehicle (V), an angle-length conversion unit (87) for setting a target operating amount of each electric actuator (11) according to the target toe angle, a stroke sensor (17) for detecting an actual operating amount of each electric actuator (11), a motor position feed back duty computation unit (89) for setting a control value of each electric actuator (11) according to the difference between the actual operating amount and the target operating amount, and a compensating unit (90) for compensating the control value according to a value such as the lateral acceleration of the vehicle body (1) which is associated with the axial force of each electric actuator (11).
摘要翻译： 在后轮束角控制系统中，根据车辆的运转状况，能够防止左右车轮的脚尖角响应特性彼此不同，能够提高车辆的搬运。 后轮束角控制系统（10）包括控制指令角计算单元（83），用于根据车辆（V）的操作状态设定每个后轮（5）的目标趾部角度，角度长度转换 单元（87），用于根据目标束角设置每个电动致动器（11）的目标操作量;行程传感器（17），用于检测每个电致动器（11）的实际操作量;电机位置反馈 计算单元（89），用于根据实际操作量和目标操作量之间的差设定每个电致动器（11）的控制值;以及补偿单元（90），用于根据诸如 与每个电动致动器（11）的轴向力相关联的车体（1）的横向加速度。
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