COPPER ALLOY HAVING HIGH STRENGTH AND HIGH SOFTENING RESISTANCE
    91.
    发明申请
    COPPER ALLOY HAVING HIGH STRENGTH AND HIGH SOFTENING RESISTANCE 审中-公开
    铜合金具有高强度和高抗电阻性能

    公开(公告)号:US20080025867A1

    公开(公告)日:2008-01-31

    申请号:US11756117

    申请日:2007-05-31

    IPC分类号: C22C9/02

    摘要: Disclosed is a Cu—Fe—P alloy capable of enabling high strength, high electrical conductivity, and excellent softening resistance to coexist. The Cu—Fe—P alloy is suitable for use as a constituent material of a lead frame for a semiconductor device. With the Cu—Fe—P alloy with strength rendered higher by micronizing Fe-containing compounds, when enhancing softening resistance by increasing Sn content so as to exceed 0.5 mass %, at least one element selected from the group consisting of Ni, Mg, Ca, Al, Si, and Cr, in trace amounts, are caused to be additionally contained to thereby check cracking likely to occur at the time of forging and hot rolling in a process of producing the copper alloy, as a result of an increase in the Sn content.

    摘要翻译: 公开了能够实现高强度,高导电性和优异的耐软化性共存的Cu-Fe-P合金。 Cu-Fe-P合金适用于半导体器件的引线框架的构成材料。 对于通过使含Fe化合物微粉化而使强度提高的Cu-Fe-P合金,当通过使Sn含量增加超过0.5质量%来提高耐软化性时,选自Ni,Mg,Ca ,Al,Si和Cr的微量添加,从而可以检测在铜合金的制造过程中在锻造和热轧时容易发生的裂纹,结果是 Sn含量。

    Friction bearing
    92.
    发明授权
    Friction bearing 有权
    摩擦轴承

    公开(公告)号:US07270892B2

    公开(公告)日:2007-09-18

    申请号:US11361389

    申请日:2006-02-24

    申请人: Robert Mergen

    发明人: Robert Mergen

    IPC分类号: F16C33/12 C22C9/02

    摘要: The invention describes a friction bearing with a steel support shell and a lead-free bearing metal layer on the basis of copper with the main alloy elements of tin and zinc, which layer is applied to the support shell. In order to combine advantageous sliding properties with favorable mechanical resilience it is proposed that the bearing metal layer has a share of tin of 2.5 to 11% by weight and a share of zinc of 0.5 to 5% by weight, with the sum total of the shares of tin and zinc being between 3 and 13% by weight.

    摘要翻译: 本发明描述了一种具有钢支撑壳和无铅轴承金属层的摩擦轴承,其基于具有锡和锌的主要合金元素的铜,该层被施加到支撑壳。 为了结合有利的滑动性能和良好的机械回弹性,提出了轴承金属层的份额为2.5至11重量%,锌的份额为0.5至5重量%,其总和为 锡和锌的份额在3%至13%之间。

    Copper alloy and process for obtaining same

    公开(公告)号:US5916386A

    公开(公告)日:1999-06-29

    申请号:US123710

    申请日:1998-07-28

    申请人: Ashok K. Bhargava

    发明人: Ashok K. Bhargava

    CPC分类号: C22C9/04 C22C9/02 C22F1/08

    摘要: A copper base alloy consisting essentially of tin in an amount from about 1.0 to 11.0% by weight, phosphorous in an amount from about 0.01 to 0.35% by weight, iron in an amount from about 0.01 to about 0.8% by weight, and the balance essentially copper, including phosphide particles uniformly distributed throughout the matrix, is described. The alloy is characterized by an excellent combination of physical properties. The process of forming the copper base alloy described herein includes casting, homogenizing, rolling, process annealing and stress relief annealing.

    Powder metallurgy compositions
    97.
    发明授权
    Powder metallurgy compositions 失效
    粉末冶金组合物

    公开(公告)号:US5637132A

    公开(公告)日:1997-06-10

    申请号:US441039

    申请日:1995-05-15

    IPC分类号: C22C1/04 C22C9/02 C22C9/04

    CPC分类号: C22C1/0425

    摘要: Lead-free metallurgy powder for use in manufacturing a shaped bronze part by powder metallurgy techniques which consists essentially of a substantially homogeneous blend of metal powders having about 90 parts copper, about 10 parts tin and an amount of bismuth in the range from an amount effective to improve the machinability of the shaped bronze part up to about 5% weight are disclosed. Lead-free metallurgy powder for use in manufacturing a shaped brass part by powder metallurgy techniques which consists essentially of a substantially homogeneous blend of metal powders about 70-90 parts copper, about 10-30 parts zinc and an amount of bismuth in the range from an amount effective to improve the machinability of the shaped brass part up to about 5% weight are also disclosed.

    摘要翻译: 用于通过粉末冶金技术制造成形青铜部件的无铅冶金粉末,其基本上由基本上均匀的金属粉末混合物组成,金属粉末具有约90份铜,约10份锡和一定量的铋,其量范围为有效量 公开了将成形青铜部件的机械加工性提高至约5重量%。 用于通过粉末冶金技术制造成形黄铜部件的无铅冶金粉末,其基本上由金属粉末约70-90份铜,约10-30份锌和一定量的铋的基本上均匀的共混物组成, 还公开了有效提高成形黄铜部件的机械加工性至多约5重量%的量。

    Copper base alloys and terminals using the same
    98.
    发明授权
    Copper base alloys and terminals using the same 失效
    铜基合金和使用其的端子

    公开(公告)号:US5387293A

    公开(公告)日:1995-02-07

    申请号:US36489

    申请日:1993-03-24

    IPC分类号: C22F1/08 C22C9/02

    CPC分类号: C22F1/08 C22C9/02 C22C9/06

    摘要: A copper base alloy for terminals that is of the Cu-Ni-Sn-P or Cu-Ni-Sn-P-Zn system and that has a tensile strength of at least 50 kgf/mm.sup.2, a spring limit of at least 40 kgf/mm.sup.2, a stress relaxation of not more than 10% and a conductivity of at least 30% IACS is provided. Terminals the spring portion or the entire part of which is produced from that copper base alloy, having an insertion/extraction force of 0.2-3 kgf and a resistance of not more than 3 m.OMEGA. at low voltage and current as initial performance, with the added characteristic that the terminals will experience not more than 20% stress relaxation are also provided. The alloy is superior to the conventional bronze, phosphor bronze and Cu-Sn-Fe-P alloys for terminals in terms of tensile strength, spring limits, stress relaxation characteristic and conductivity and, hence, the terminals manufactured from those alloys have higher performance and reliability than the terminals made of the conventional copper base alloys for terminals.

    摘要翻译: 用于Cu-Ni-Sn-P或Cu-Ni-Sn-P-Zn系的端子用铜基合金,其拉伸强度为至少50kgf / mm 2,弹簧极限为至少40kgf / mm2,应力松弛不大于10%,电导率至少为30%IACS。 端子弹簧部分或其整个部分由该铜基合金制成,其具有0.2-3kgf的插入/拉伸力和在低电压和电流下不超过3m欧姆电阻作为初始性能,其中 还提供了终端将经历不超过20%的应力松弛的特征。 在拉伸强度,弹簧极限,应力松弛特性和导电性方面,该合金优于常规的青铜,磷青铜和Cu-Sn-Fe-P合金,因此,由这些合金制造的端子具有更高的性能和 可靠性高于由常规铜基合金端子制成的端子。

    Copper-nickel-tin alloy for slide bearings
    99.
    发明授权
    Copper-nickel-tin alloy for slide bearings 失效
    用于滑动轴承的铜镍锡合金

    公开(公告)号:US5288457A

    公开(公告)日:1994-02-22

    申请号:US907825

    申请日:1992-07-02

    申请人: Andreas Boegel

    发明人: Andreas Boegel

    IPC分类号: C22C9/02 C22C9/06 C22C9/00

    摘要: A slide bearing comprising a copper-nickel-tin alloy consisting essentially of______________________________________ 4-8% by wt nickel, 4-8% by wt tin, 0.005-1.0 by wt zinc, 0.005-0.5 by wt iron, 0.005-1.0 by wt lead, ______________________________________ the remainder being copper and common impurities, the alloy having a multi-phase granular state with a preferred linear orientation and including:at least one of discontinuous gamma phase precipitations and continuous gamma phase precipitations, the precipitations being formed followed cold forming of the alloy by heat treatment at a temperature of 300.degree. to 450.degree. C. for 10 minutes to 50 hours so as to provide about 0.1 to about 30 volume % of the gamma phase in the alloy,up to 15 volume % of highly concentrated tin and nickel grain areas (GSnNi) characterized by the atomic formula Cu.sub.43 Ni.sub.17 Sn.sub.40,up to 15 volume % of highly concentrated tin and nickel grain areas (GSn) characterized by the atomic formula Cu.sub.80 Ni.sub.6 Sn.sub.14,a highly concentrated lead-containing phase, andthe remainder a mixed copper crystal.

    摘要翻译: 一种滑动轴承,其包含基本上由-48重量%镍,-48重量%锡,-0.005-1.0重量份锌,-0.005-0.5重量份铁,-0.005重量%的铜 - 镍 - 锡合金 -1.0重量份铅,其余为铜和常见杂质,该合金具有优选线性取向的多相颗粒状态,并包括:不连续γ相沉淀和连续γ相沉淀中的至少一种,形成沉淀 然后通过在300-450℃的温度下热处理10分钟至50小时冷合成合金,从而在合金中提供约0.1至约30体积%的γ相,至多15体积% 高度浓缩的锡和镍颗粒区域(GSnNi),其特征在于原子式为Cu43Ni17Sn40,高达15体积%的高浓度锡和镍颗粒区域(GSn),其特征在于原子式为Cu80Ni6Sn14,高浓度含铅相,以及 剩下的一个混合铜哭泣 可以

    As-cast, age-hardened Cu-Sn-Ni worm gearing and method of making same
    100.
    发明授权
    As-cast, age-hardened Cu-Sn-Ni worm gearing and method of making same 失效
    铸造,老化的Cu-Sn-Ni蜗杆传动装置及其制造方法

    公开(公告)号:US5230757A

    公开(公告)日:1993-07-27

    申请号:US785042

    申请日:1991-10-30

    IPC分类号: C22C9/02 C22F1/08

    CPC分类号: C22C9/02 C22F1/08

    摘要: Worm gearing having improved wear and strength properties comprises a Cu, 8.0-13.0 w/o Sn, 3.5-5.0 w/o Ni alloy aged in the as-cast condition to strengthen the dendritic microstructural constituent (e.g., alpha phase) while retaining the as-cast, relatively hard interdendritic constituents. The overall Ni concentration of the alloy does not exceed about 5 w/o and the Ni concentration across individual as-cast dendrites is decreased at the dendrite edges (grain boundaries) to hinder formation of a discontinuous, embrittling grain boundary product that is deleterious to these properties.

    摘要翻译: 具有改进的磨损和强度性能的蜗轮传动装置包括在铸态条件下老化的Cu,8.0-13.0w / o Sn,3.5-5.0w / oNn合金,以加强树枝状微结构组分(例如α相),同时保留 强硬的interdendritic成分。 合金的总体Ni浓度不超过约5w / o,并且在枝晶边缘(晶界)处,单个铸态树枝状晶体上的Ni浓度降低,以阻止形成不连续,脆化的晶界产物,这是有害的 这些属性。