SURFACE LAYER FORMING METHOD USING ELECTRICAL DISCHARGE MACHINING AND SURFACE LAYER
    1.
    发明申请
    SURFACE LAYER FORMING METHOD USING ELECTRICAL DISCHARGE MACHINING AND SURFACE LAYER 审中-公开
    使用电子放电加工和表面层的表面层形成方法

    公开(公告)号:US20130164496A1

    公开(公告)日:2013-06-27

    申请号:US13140576

    申请日:2010-09-16

    IPC分类号: B23K9/04

    摘要: Using electrical discharge surface treatment of moving an electrode material to a work piece by repeatedly generating pulsed electrical discharge between an electrode for electrical discharge surface treatment (1) containing Si as a main component and a work piece (2) surface in order to form a surface layer excellent in an anti-corrosion property and an anti-erosion property which is useful in applications to anti-corrosion and anti-erosion parts, a surface layer formed with an amorphous structure, in which an Si component is contained in a range of 3 to 11 wt % and which has a thickness of 5 to 10 μm, is formed on the work piece (2) surface.

    摘要翻译: 使用放电表面处理,通过在用于以Si为主要成分的放电表面处理用电极(1)和工件(2)表面之间重复产生脉冲放电,从而将电极材料移动到工件上,以便形成 在抗腐蚀和抗腐蚀部件的应用中有抗腐蚀性和抗侵蚀性优异的表面层,形成有非晶结构的表面层,其中包含Si成分的范围 3〜11重量%,厚度为5〜10微米,形成在工件(2)面上。

    ELECTRODE FOR ELECTRIC-DISCHARGE SURFACE TREATMENT AND ELECTRIC-DISCHARGE SURFACE TREATMENT COATING
    2.
    发明申请
    ELECTRODE FOR ELECTRIC-DISCHARGE SURFACE TREATMENT AND ELECTRIC-DISCHARGE SURFACE TREATMENT COATING 审中-公开
    电放电表面处理电极和放电表面处理涂层

    公开(公告)号:US20130069015A1

    公开(公告)日:2013-03-21

    申请号:US13699794

    申请日:2010-05-26

    IPC分类号: H01B1/04 C22C38/02

    CPC分类号: H01B1/04 C22C38/02 C23C26/00

    摘要: In order to establish an electric-discharge surface treatment capable of forming a smooth high-hardness coating, in the electric-discharge surface treatment in which pulsed electric discharge is generated between the electrode and a base material in a machining fluid or in the air by using a green compact, which is formed by compressing powder of an electrode material, as an electrode, and by using energy of the electric discharge, a coating including the electrode material or a reaction product of the electrode material reacted by the electric discharge energy is formed on a surface of the base material, wherein, as the powder of the electrode material, a mixed powder formed by mixing 10 to 75 vol % of Si powder to powder of a hard material is used.

    摘要翻译: 为了建立能够形成平滑的高硬度涂层的放电表面处理,在电极和机械加工液中的空气中的空气中的电极和基材之间产生脉冲放电的放电表面处理中, 使用通过压缩电极材料的粉末作为电极而形成的生坯,并且通过使用放电能量,包括电极材料的涂层或电极材料与放电能反应的反应产物的涂层是 形成在基材的表面上,其中,作为电极材料的粉末,使用通过将10〜75体积%的Si粉末与硬质材料的粉末混合而形成的混合粉末。

    ELECTRODE FOR ELECTRIC-DISCHARGE SURFACE TREATMENT AND METHOD FOR FORMING ELECTRODE FOR ELECTRIC-DISCHARGE SURFACE TREATMENT
    3.
    发明申请
    ELECTRODE FOR ELECTRIC-DISCHARGE SURFACE TREATMENT AND METHOD FOR FORMING ELECTRODE FOR ELECTRIC-DISCHARGE SURFACE TREATMENT 审中-公开
    用于放电表面处理的电极和用于形成电放电表面处理的电极的方法

    公开(公告)号:US20130292612A1

    公开(公告)日:2013-11-07

    申请号:US13701643

    申请日:2011-11-22

    IPC分类号: C23C26/00

    CPC分类号: C23C26/00 B23H1/04 B23K35/40

    摘要: An electrode for electric-discharge surface treatment, which is used in the electric-discharge surface treatment in which pulsed electric discharge is generated between the electrode and a base material in a machining fluid or in the air by using a green compact, which is formed by compressing powder of an electrode material, as the electrode, and by using energy of the electric discharge, a coating including the electrode material or a reaction product of the electrode material reacted by the electric discharge energy is formed on a surface of a base material, wherein a mixture of Si powder having an average particle diameter of not less than 0.3 μm and not more than 10 μm and hard material powder having an average particle diameter of not less than 0.3 μm and not more than 10 μm is used as the electrode material.

    摘要翻译: 一种用于放电表面处理的电极,其用于通过使用形成的生坯,在机械流体或空气中在电极和基材之间产生脉冲放电的放电表面处理 通过压缩电极材料的粉末作为电极,并且通过使用放电能量,在基材的表面上形成包含电极材料的涂层或电极材料与放电能反应的反应产物的涂层 其中使用平均粒径不小于0.3μm且不大于10μm的Si粉末和平均粒径不小于0.3μm且不大于10μm的硬质材料粉末的混合物作为电极 材料。

    METHOD FOR FORMING SURFACE LAYER, METHOD FOR FORMING EROSION RESISTANT COMPONENT AND STEAM TURBINE BLADE
    4.
    发明申请
    METHOD FOR FORMING SURFACE LAYER, METHOD FOR FORMING EROSION RESISTANT COMPONENT AND STEAM TURBINE BLADE 审中-公开
    形成表面层的方法,形成抗腐蚀成分和蒸汽涡轮叶片的方法

    公开(公告)号:US20120057983A1

    公开(公告)日:2012-03-08

    申请号:US13321420

    申请日:2009-05-20

    IPC分类号: F01D5/14 B05D7/00 B05D5/00

    摘要: A method for forming a surface layer, the method including: arranging a member in a machining fluid; and forming a surface layer including silicon by supplying silicon component from the silicon electrode to the member side by applying a predetermined voltage and generating electric discharge, wherein a value of an electric discharge detection level is set to be equal to or larger than a value obtained by adding a voltage depression at the silicon electrode to an arc potential during electric discharge, and wherein the surface layer is formed on a surface of the member by repetitively performing, after the voltage is applied, detecting the electric discharge generated between the silicon electrode and the member by detecting a drop of the voltage to be lower than the electric discharge detection level, stopping applying the voltage for a predetermined time, and applying the voltage again after a predetermined break time.

    摘要翻译: 一种形成表面层的方法,所述方法包括:将构件设置在加工液中; 以及通过施加预定电压并产生放电来从硅电极提供硅组分到构件侧来形成包括硅的表面层,其中放电检测电平的值被设置为等于或大于获得的值 通过在放电期间在硅电极处施加电压下降到电弧电位,并且其中通过在施加电压之后重复地执行表面层在构件的表面上形成,以检测在硅电极和 通过检测低于放电检测电平的电压的下降,停止施加电压达预定时间,并且在预定的断开时间之后再次施加电压。

    EROSION RESISTANT MACHINE COMPONENT, METHOD FOR FORMING SURFACE LAYER OF MACHINE COMPONENT, AND METHOD FOR MANUFACTURING STEAM TURBINE
    5.
    发明申请
    EROSION RESISTANT MACHINE COMPONENT, METHOD FOR FORMING SURFACE LAYER OF MACHINE COMPONENT, AND METHOD FOR MANUFACTURING STEAM TURBINE 审中-公开
    耐腐蚀机器组件,形成机器表面层的方法和制造蒸汽轮机的方法

    公开(公告)号:US20120128502A1

    公开(公告)日:2012-05-24

    申请号:US13387493

    申请日:2009-07-28

    摘要: A method for forming a surface layer, the purpose thereof is to form a high erosion resistant film. The method for forming a surface layer includes: arranging a member (2) in a machining fluid (3); and forming the surface layer including silicon by spacing a silicon electrode (1) from the member (2) at a predetermined distance, and by supplying silicon component from the silicon electrode (1) to the member side by applying a predetermined voltage and generating electric discharge, and an iron-based metal texture including silicon of 3 to 11 wt % is formed at a thickness of 5 to 10 μm at a portion to be treated by repetitively generating a electric discharge pulse in which a time integration value of a current value of the electric discharge pulse is in a range of 30 A·μs to 80 A·μs.

    摘要翻译: 一种形成表面层的方法,其目的是形成高耐腐蚀性膜。 形成表面层的方法包括:将构件(2)布置在加工流体(3)中; 以及通过将硅电极(1)与所述构件(2)间隔预定距离来形成包括硅的表面层,并且通过施加预定电压并从所述硅电极(1)向所述构件侧提供硅成分并产生电 并且通过重复地产生放电脉冲,在待处理部分以5至10μm的厚度形成包含3至11重量%的硅的铁基金属纹理,其中电流值的时间积分值 的放电脉冲在30A·μs至80A·μs的范围内。

    DISCHARGE SURFACE TREATMENT APPARATUS
    6.
    发明申请
    DISCHARGE SURFACE TREATMENT APPARATUS 有权
    放电表面处理装置

    公开(公告)号:US20130319324A1

    公开(公告)日:2013-12-05

    申请号:US13824867

    申请日:2012-06-05

    IPC分类号: B05C11/00

    摘要: A discharge surface treatment apparatus generates a pulsed discharge between poles, that is, between a discharge electrode and a workpiece, and the discharge electrode is obtained by compression-molding of any one of a metal powder, a powder of a metal compound, and a powder of ceramics or a mixture thereof. The apparatus forms a film made of an electrode material or the like on a workpiece surface by thermal energy due to the discharge. The apparatus includes: a capacitor that is connected to any one of the discharge electrode and the workpiece at one end; and a parallel circuit of a resistor and a diode, which is provided between another one of the discharge electrode and the workpiece and another end of the capacitor via a connection line.

    摘要翻译: 放电表面处理装置在两极之间,即放电电极和工件之间产生脉冲放电,放电电极通过压缩成型金属粉末,金属化合物粉末和 陶瓷粉或其混合物。 该装置由于放电而通过热能在工件表面上形成由电极材料等制成的膜。 该装置包括:在一端连接到放电电极和工件中的任何一个的电容器; 以及通过连接线设置在放电电极和工件的另一个和电容器的另一端之间的电阻器和二极管的并联电路。

    ELECTRICAL DISCHARGE SURFACE TREATMENT METHOD
    7.
    发明申请
    ELECTRICAL DISCHARGE SURFACE TREATMENT METHOD 审中-公开
    电放电表面处理方法

    公开(公告)号:US20130209705A1

    公开(公告)日:2013-08-15

    申请号:US13140604

    申请日:2010-09-16

    IPC分类号: H01B13/00

    CPC分类号: H01B13/00 C23C26/00 C23C26/02

    摘要: There is an electrical discharge surface treatment method of forming a surface layer on a work piece surface by making pulsed electrical discharge repeatedly occur between a work piece (2) and an electrode (1) for electrical discharge surface treatment, for which a compact formed by powder obtained by mixing 20 wt % or more of silicon with powder of a hard material or a solid body of silicon is used, so that the electrode material is moved to the work piece (2), including: a processing time decision step of observing an electrical discharge treatment surface formed on the work piece surface by the electrical discharge and deciding the electrical discharge surface treatment end time in a process where surface roughness formed by the electrical discharge on the electrical discharge treatment surface acquired from the observation result is increased and is then decreased. Electrical discharge surface treatment between the electrode and the work piece is executed for only the processing time set in the processing time decision step.

    摘要翻译: 存在通过在工件(2)和用于放电表面处理的电极(1)之间重复发生脉冲放电而在工件表面上形成表面层的放电表面处理方法,由此形成由 使用通过将20重量%以上的硅与硬质材料或硅固体粉末混合而获得的粉末,使得电极材料移动到工件(2),包括:处理时间决定步骤,观察 通过放电在工件表面上形成的放电处理表面,并且在从观察结果获得的放电处理表面上的放电形成的表面粗糙度增加的过程中决定放电表面处理结束时间,并且是 然后减少。 仅在处理时间决定步骤中设定的处理时间执行电极与工件之间的放电表面处理。

    Discharge surface treatment apparatus
    8.
    发明授权
    Discharge surface treatment apparatus 有权
    放电表面处理装置

    公开(公告)号:US09308546B2

    公开(公告)日:2016-04-12

    申请号:US13824867

    申请日:2012-06-05

    IPC分类号: B05C11/00 H01J37/32 H05H1/46

    摘要: A discharge surface treatment apparatus generates a pulsed discharge between poles, that is, between a discharge electrode and a workpiece, and the discharge electrode is obtained by compression-molding of any one of a metal powder, a powder of a metal compound, and a powder of ceramics or a mixture thereof. The apparatus forms a film made of an electrode material or the like on a workpiece surface by thermal energy due to the discharge. The apparatus includes: a capacitor that is connected to any one of the discharge electrode and the workpiece at one end; and a parallel circuit of a resistor and a diode, which is provided between another one of the discharge electrode and the workpiece and another end of the capacitor via a connection line.

    摘要翻译: 放电表面处理装置在两极之间,即放电电极和工件之间产生脉冲放电,放电电极通过压缩成型金属粉末,金属化合物粉末和 陶瓷粉或其混合物。 该装置由于放电而通过热能在工件表面上形成由电极材料等制成的膜。 该装置包括:在一端连接到放电电极和工件中的任何一个的电容器; 以及通过连接线设置在放电电极和工件的另一个和电容器的另一端之间的电阻器和二极管的并联电路。

    COATING FILM AND COATING-FILM FORMING METHOD
    9.
    发明申请
    COATING FILM AND COATING-FILM FORMING METHOD 有权
    涂膜和涂膜成型方法

    公开(公告)号:US20100016185A1

    公开(公告)日:2010-01-21

    申请号:US12296179

    申请日:2006-04-05

    摘要: To form a coating film having an excellent wear-resistant property in a temperature range from low temperature to high temperature a coating-film forming method includes a metal-powder producing step of producing a metal powder containing an element exhibiting a lubricating property when oxidized; an oxidizing step of oxidizing the metal powder so that an amount of oxygen contained in the metal powder is within 6 weight % to 14 weight %; and a coating-film forming step of forming a coating film on a material subject to a treatment, the coating film having such a composition that an area where an oxygen content is 3 weight % or less and an area where an oxygen content is 8 weight % or more are distributed in a unit area of the coating film when the metal powder is in a melted state or a semi-melted state, and an oxygen content of the entire coating film after the metal powder is melted or semi-melted being within 5 weight % to 9 weight %.

    摘要翻译: 为了形成在低温至高温的温度范围内具有优异的耐磨性的涂膜,涂膜形成方法包括:金属粉末的制造步骤,其制造含有氧化时具有润滑性的元素的金属粉末; 氧化金属粉末的氧化步骤,使得金属粉末中所含的氧含量在6重量%至14重量%之间; 以及在经受处理的材料上形成涂膜的涂膜形成步骤,所述涂膜具有氧含量为3重量%以下的面积和氧含量为8重量的区域的组成 当金属粉末处于熔融状态或半熔化状态时,涂膜的单位面积中分布有%以上,并且金属粉末后的整个涂膜的氧含量在内部熔融或半熔融 5重量%至9重量%。