Tungsten-based sintered material having high strength and high hardness, and hot press mold used for optical glass lenses
    2.
    发明授权
    Tungsten-based sintered material having high strength and high hardness, and hot press mold used for optical glass lenses 失效
    具有高强度和高硬度的钨基烧结材料和用于光学玻璃透镜的热压模具

    公开(公告)号:US07615094B2

    公开(公告)日:2009-11-10

    申请号:US10598585

    申请日:2004-07-13

    IPC分类号: B22F3/00

    摘要: A first tungsten-based sintered material of the present invention comprises Ni in a range from 0.2 to 1.5% by mass, Y2O3 in a range from 0.1 to 1% by mass, and optionally, (a) VC in a range from 0.05 to 0.5% by mass and/or (b) Co and/or Fe in a range from 0.01 to 5% by mass, the balance being tungsten (W); W phases are sinter-bonded; Ni phase or Ni—Co/Fe alloy phase which has the largest particle diameter of 5 μm or less and Y2O3 having the largest particle diameter of 5 μm or less are distributed at boundaries of the W phases; and the largest particle diameter of the W phase is 30 μm or less. The first tungsten-based sintered material is preferably used for a hot press mold for optical glass lenses.

    摘要翻译: 本发明的第一种钨基烧结材料包含0.2至1.5质量%的Ni,0.1至1质量%的Y 2 O 3,以及(a)0.05至0.5范围内的VC 质量%和/或(b)0.01〜5质量%范围内的Co和/或Fe,余量为钨(W); W相烧结结合; 最大粒径为5μm以下的Ni相或Ni-Co / Fe合金相和粒径为5μm以下的Y 2 O 3分布在W相的边界处; W相的最大粒径为30μm以下。 第一钨基烧结材料优选用于光学玻璃透镜的热压模具。

    Tungsten-based sintered material having high strength and high hardness, and hot press mold used for optical glass lenses
    4.
    发明申请
    Tungsten-based sintered material having high strength and high hardness, and hot press mold used for optical glass lenses 失效
    具有高强度和高硬度的钨基烧结材料以及用于光学玻璃透镜的热压模具

    公开(公告)号:US20070169586A1

    公开(公告)日:2007-07-26

    申请号:US10598585

    申请日:2004-07-13

    IPC分类号: C22C29/12

    摘要: A first tungsten-based sintered material of the present invention comprises Ni in a range from 0.2 to 1.5% by mass, Y2O3 in a range from 0.1 to 1% by mass, and optionally, (a) VC in a range from 0.05 to 0.5% by mass and/or (b) Co and/or Fe in a range from 0.01 to 5% by mass, the balance being tungsten (W); W phases are sinter-bonded; Ni phase or Ni—Co/Fe alloy phase which has the largest particle diameter of 5 μm or less and Y2O3 having the largest particle diameter of 5 μm or less are distributed at boundaries of the W phases; and the largest particle diameter of the W phase is 30 μm or less. The first tungsten-based sintered material is preferably used for a hot press mold for optical glass lenses.

    摘要翻译: 本发明的第一种钨基烧结材料包含0.2-1.5%质量%的Ni,0.1-2%的N 2 O 3, (a)0.05〜0.5质量%的VC和/或(b)0.01〜5质量%的Co和/或Fe,余量为钨(W); W相烧结结合; 最大粒径为5μm以下的Ni相或Ni-Co / Fe合金相,和最大粒径为5μm以下的Y 2 O 3 O 3 分布在W阶段的边界; W相的最大粒径为30μm以下。 第一钨基烧结材料优选用于光学玻璃透镜的热压模具。

    Internal gear oil pump made of aluminum alloys
    5.
    发明授权
    Internal gear oil pump made of aluminum alloys 失效
    内部齿轮油泵由铝合金制成

    公开(公告)号:US06382942B1

    公开(公告)日:2002-05-07

    申请号:US09708616

    申请日:2000-11-09

    IPC分类号: F04C210

    CPC分类号: F04C2/10 F04C2/082

    摘要: An internal gear oil pump made of Al alloys having less mutual damage property and superior wear resistance is provided. The internal gear oil pump has a casing with a gear compartment, a drive gear, and a driven gear, all of which are the structural members of the internal gear oil pump. The casing is constituted of an Al-alloy casting. The drive gear and the driven gear are constituted of a hot plastic working material of Al—Si alloy powder. The hot plastic working material is constituted of an Al—Si alloy having a structure in which unit crystal phases are dispersed in a base matrix by 10 to 40 area percent. by the structural observation with an optical microscope, the unit. crystal phases being harder than the base matrix. The base matrix is constituted of an Al—Si alloy which contains, on weight basis, 10% to 18% Si, 4% to 8% Fe, 1% to 3% Ni, 1% to 3% Cr, and the balance being Al and incidental impurities. The alloy has a structure in which ultrafine grains of intermetallic compounds and Si are dispersed in the matrix. The unit crystal phases are constituted of an Al—Si alloy which contains, on weight basis, 25% to 40% Si, 1% to 3% Fe, 2% to 6% Ni, 0.3% to 2% Cr, and the balance being Al and incidental impurities. The alloy has a structure in which ultrafine grains of intermetallic compounds and Si, and primary Si crystal grains are dispersed in the matrix of the unit crystal phases.

    摘要翻译: 提供由Al合金制成的内齿轮油泵,具有较小的相互损伤性能和优异的耐磨性。 内齿轮油泵具有齿轮箱,驱动齿轮和从动齿轮的外壳,所有这些都是内齿轮油泵的结构件。 壳体由Al合金铸件构成。 驱动齿轮和从动齿轮由Al-Si合金粉末的热塑性加工材料构成。 热塑性加工材料由具有单晶结晶相分散在基体中10〜40面积%的结构的Al-Si合金构成。 通过光学显微镜的结构观察,单位。 晶相比基体硬。 基体由Al-Si合金构成,以重量计含有10%至18%的Si,4%至8%的Fe,1%至3%的Ni,1%至3%的Cr,余量为 铝和杂质。 该合金具有将金属间化合物和Si的超细晶粒分散在基体中的结构。 单位晶相由Al-Si合金构成,Al-Si合金以重量计含有25%至40%的Si,1%至3%的Fe,2%至6%的Ni,0.3%至2%的Cr,余量 是Al和杂质。 该合金具有金属间化合物的超细晶粒和Si以及初级Si晶粒分散在单晶结晶相的基体中的结构。

    Cu-base sintered alloy
    6.
    发明授权
    Cu-base sintered alloy 失效
    铜基烧结合金

    公开(公告)号:US5114468A

    公开(公告)日:1992-05-19

    申请号:US474748

    申请日:1990-03-23

    摘要: The present invention relates to a Cu-based sintered alloy which has a composition containing: Zn: 10-40%; Al: 0.3%-6% oxygen: 0.03-1%; any one selected, as an additional element from the group including at least one of Fe, Ni and Co: 0.1-5%, Mn: 0.1-5%, Si: 0.1-3%, and at least one of W and Mo: 0.1-3%; and the remainder including Cu and inevitable impurities. The alloy is superior in wear resistance particularly in air at temperatures ranging from the ordinary temperature to 400.degree. C., has high strength and high toughness, and further excels in the uniform temporal change characteristics with associated members, as evaluated by its friction coefficient. The invention relates also to parts for automotive equipment made of this Cu-base sintered alloy, such as synchronizer rings for transmission, valveguides for engines, bearings for turbo-chargers and so forth.

    摘要翻译: PCT No.PCT / JP89 / 01098 Sec。 371 1990年3月23日 102(e)1990年3月23日PCT PCT 1989年10月26日PCT公布。 出版物WO90 / 04657 日期:1990年5月3日。本发明涉及一种Cu基烧结合金,其组成为:Zn:10-40% Al:0.3%-6%氧气:0.03-1%; 选自Fe,Ni和Co中的至少一种:0.1-5%,Mn:0.1-5%,Si:0.1-3%,以及W和Mo中的至少一种: 0.1-3%; 余量包括Cu和不可避免的杂质。 该合金在常温至400℃的温度范围内,特别是在空气中具有优异的耐磨性,具有高强度和高韧性,并且通过其摩擦系数进行评估,进一步优于相关构件的均匀时间变化特性。 本发明还涉及由该Cu基烧结合金制成的汽车设备的部件,例如用于变速器的同步环,用于发动机的阀导向器,用于涡轮增压器的轴承等。