Thermally applied coating for piston rings, consisting of mechanically alloyed powders
    5.
    发明申请
    Thermally applied coating for piston rings, consisting of mechanically alloyed powders 有权
    用于活塞环的热涂覆涂层,由机械合金粉末组成

    公开(公告)号:US20030180565A1

    公开(公告)日:2003-09-25

    申请号:US10363341

    申请日:2003-03-03

    IPC分类号: B32B015/16

    摘要: The invention relates to a wear-resistant coating used for bearing surfaces and flanks of piston rings in internal combustion engines. The wear-resistant inventive coating is obtained by mechanically alloying powders which form a metallic matrix with hard material dispersoids and lubricant material dispersoids. The coating is then thermally applied to the workpieces, especially by means of high velocity oxygen fuel spraying (HVOF). The workpieces coated are bearing surfaces and parts of flanks pertaining to piston rings in internal combustion engines.

    摘要翻译: 本发明涉及一种用于承载内燃机中活塞环表面和侧面的耐磨涂层。 耐磨创造性涂层是通过机械合金化形成金属基体的粉末与硬质分散体和润滑剂材料分散体获得的。 然后将涂层热施加到工件上,特别是通过高速氧燃料喷涂(HVOF)。 涂覆的工件是内燃机中的活塞环的轴承表面和侧面部分。

    Spray powder, thermal spraying process using it, and sprayed coating
    6.
    发明申请
    Spray powder, thermal spraying process using it, and sprayed coating 失效
    喷粉,热喷涂工艺使用,喷涂

    公开(公告)号:US20010019742A1

    公开(公告)日:2001-09-06

    申请号:US09781285

    申请日:2001-02-13

    IPC分类号: B32B005/16 C23C004/10

    摘要: A spray powder which has a particle size of from 6 to 63 nullm and which comprises from 75 to 95 wt % of a ceramic phase made of a WC powder and at least one chromium carbide powder selected from the group consisting of Cr3C2, Cr7C3 and Cr23C6, and from 5 to 25 wt % of a metal phase made of a Ni or Ni-based alloy powder, wherein the mean particle size of primary particles of the WC powder constituting the ceramic phase is from 5 to 20 nullm, and the mean particle size of primary particles of the chromium carbide powder is from 1 to 10 nullm.

    摘要翻译: 一种喷雾粉末,其具有6至63μm的粒度,并且包含75至95wt%的由WC粉末制成的陶瓷相和至少一种选自Cr 3 C 2,Cr 7 C 3和Cr 23 C 6的碳化铬粉末 ,和由Ni或Ni基合金粉末制成的金属相的5〜25重量%,其中构成陶瓷相的WC粉末的一次粒子的平均粒径为5〜20μm,平均粒子 碳化铬粉末的一次粒子的粒径为1〜10μm。

    Component, in particular turbine blade which can be exposed to high
temperatures, and method of producing said component
    7.
    发明授权
    Component, in particular turbine blade which can be exposed to high temperatures, and method of producing said component 失效
    组件,特别是可暴露于高温的涡轮叶片,以及制造所述部件的方法

    公开(公告)号:US5395699A

    公开(公告)日:1995-03-07

    申请号:US70942

    申请日:1993-06-04

    摘要: A turbine blade including a blade foot and a blade. The blade foot is formed by a ductile material and the blade comprises a material which is brittle compared to the ductile material but resistant to high temperature. The two materials are alloys of different chemical compositions and are hot-compacted with the formation of a boundary layer joining the blade foot and blade to produce a bimetallic composite material. The blade foot predominantly comprises a titanium-base alloy and the blade comprises a gamma-titanium aluminide containing 0.5 to 8 atomic percent of a dopant. The turbine blade exhibits outstanding mechanical properties at high temperatures, good ductility at room temperature and a long service life.

    摘要翻译: 包括叶片脚和叶片的涡轮叶片。 叶片脚由延性材料形成,并且刀片包括与延性材料相比脆性但耐高温的材料。 这两种材料是不同化学组成的合金,并且被热压成型,形成连接刀片和刀片的边界层以产生双金属复合材料。 叶片脚主要包括钛基合金,并且叶片包括含有0.5至8原子%掺杂剂的γ-钛铝化物。 涡轮叶片在高温下表现出优异的机械性能,在室温下具有良好的延展性和长的使用寿命。

    Hard sintered body cutting tool
    8.
    发明授权
    Hard sintered body cutting tool 失效
    硬质烧结体切割工具

    公开(公告)号:US5348808A

    公开(公告)日:1994-09-20

    申请号:US67424

    申请日:1993-05-25

    摘要: In a hard sintered cutting tool, the tool life can be further increased. In this hard sintered body cutting tool, a rake face of an edge portion is formed by a major surface of a first sintered body layer containing at least 80 percent by volume and less than 98 percent by volume of diamond, while a flank of the edge portion is formed by a second sintered body layer containing at least 30 percent by volume and less than 75 percent by volume of cubic boron nitride (CBN). The first sintered body layer is formed to have a thickness of at least 0.02 mm and less than 0.1 mm, and to be in a thickness ratio of at least 1:5 to the second sintered body layer. Thus, chipping resistance of the rake face is improved by the first sintered body layer, while wear resistance of the flank is improved by the second sintered body layer. As a result, it is possible to suppress progress of local wear and chipping, whereby the life of the cutting tool is increased as compared with the prior art.

    摘要翻译: 在硬烧结切削工具中,可以进一步提高刀具寿命。 在这种硬质烧结体切割工具中,边缘部分的前刀面由包含至少80体积%且小于98体积%的金刚石的第一烧结体层的主表面形成,而边缘的侧面 部分由包含至少30体积%且小于75体积%的立方氮化硼(CBN)的第二烧结体层形成。 第一烧结体层的厚度形成为至少0.02mm且小于0.1mm,并且与第二烧结体层的厚度比至少为1:5。 因此,通过第一烧结体层改善了前刀面的抗碎裂性,同时通过第二烧结体层提高了侧面的耐磨性。 结果,可以抑制局部磨损和碎裂的进展,从而与现有技术相比,切削工具的寿命增加。

    Titanium-tungsten target material and manufacturing method thereof
    9.
    发明授权
    Titanium-tungsten target material and manufacturing method thereof 失效
    钛钨靶材及其制造方法

    公开(公告)号:US5306569A

    公开(公告)日:1994-04-26

    申请号:US914544

    申请日:1992-07-16

    申请人: Akitoshi Hiraki

    发明人: Akitoshi Hiraki

    IPC分类号: C23C14/34 B22F3/16

    摘要: A titanium-tungsten target material capable of limiting the amount of particles generated during sputtering and a method of manufacturing this titanium-tungsten material. The titanium-tungsten target material has a titanium-tungsten alloy phase which occupies 98% or more of the whole area of the material as observed in a micro-structure thereof. In one example of the manufacturing method, an ingot obtained by melting tungsten and titanium is processde by a solution treatment to form a titanium-tungsten target, or a power obtained by melting the ingot is sintered to form a target. Preferably, the melting may be performed under reduced pressure in an electron beam melting manner. In another example of the manufacturing method, a powder is formed from a molten metal by an atomization method and the obtained powder is sintered to form a titanium-tungsten target. For sintering of the powder, it is preferable to apply hot isostatic pressing or hot pressing.

    摘要翻译: 能够限制溅射时产生的颗粒的量的钛 - 钨靶材料以及该钛 - 钨材料的制造方法。 钛 - 钨靶材料具有钛 - 钨合金相,其占微结构中观察到的材料的整个面积的98%以上。 在制造方法的一个实例中,通过熔融钨和钛而获得的锭通过固溶处理而形成钛 - 钨靶,或者通过将锭熔化获得的功率被烧结以形成靶。 优选地,可以以电子束熔化的方式在减压下进行熔融。 在制造方法的另一实例中,通过雾化法由熔融金属形成粉末,并将所得粉末烧结以形成钛 - 钨靶。 为了烧结粉末,优选采用热等静压或热压。