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32 条记录 (耗时 0.012 秒)

    Countering laser shock peening induced airfoil twist using shot peening
    1.
    发明公开
    Countering laser shock peening induced airfoil twist using shot peening 有权
    由激光冲击硬化喷丸处理的叶片扭曲意味着克服诱发

    公开(公告)号：EP1741796A3

    公开(公告)日：2012-01-04

    申请号：EP06253406.0

    申请日：2006-06-29

    申请人： GENERAL ELECTRIC COMPANY

    发明人： Rockstroh, Todd Jay ,  Mannava, Seetha Ramaiah ,  Barbe, Roger Owen

    IPC分类号： C21D10/00 ,  F01D5/28

    CPC分类号： F01D5/286 ,  B24C1/10 ,  Y02T50/673 ,  Y10T29/4932

    摘要： A gas turbine engine blade (8) is laser shock peened by laser shock peening a thin airfoil (34) of the blade (8), forming a laser shock induced twist in the airfoil, and shot peening a portion of the airfoil (34) to counter the laser shock induced twist in the airfoil (34). The shot peening may be performed before or after the laser shock peening. The shot peening may be applied over a laser shock peened surface (54) formed by the laser shock peening. The shot peening may be performed asymmetrically on asymmetrically shot peened pressure and suction side areas of pressure and suction sides (46 and 48), respectively, of the airfoil (34). A shot peened patch (28) near a blade tip (38) may be formed on one of pressure and suction sides (46 and 48) of the airfoil (34) wherein the airfoil (34) extends radially outwardly from a blade platform (36) to the blade tip (38) of the blade (8).

    Method for Fabricating Turbine Airfoils and Tip Structures Therefor
    2.
    发明公开
    Method for Fabricating Turbine Airfoils and Tip Structures Therefor 无效
    Verfahren zur Herstellung von Turbinenschaufeln und Spitzenstrukturendafür

    公开(公告)号：EP2366476A1

    公开(公告)日：2011-09-21

    申请号：EP10156136.3

    申请日：2010-03-10

    申请人： General Electric Company

    发明人： Qi, Huan ,  Singh, Prabhjot ,  Desander, Donald Brett ,  Azer, Magdi Naim ,  Tewari, Sudhir Kumar ,  Gledhill, Mark Douglas ,  Sabato, Joseph Giancarlo ,  Rockstroh, Todd Jay

    IPC分类号： B22F3/105 ,  B22F7/06

    CPC分类号： B22F3/1055 ,  B22C9/04 ,  B22F7/062 ,  B22F2007/068 ,  Y02P10/292 ,  Y02P10/295

    摘要： A method for making a turbine airfoil (18) includes providing a mold core (40) and an outer shell (42) which cooperatively define a cavity in the shape of a hollow airfoil (18) having an outer wall, a root, and a tip. A tip portion of the core (40) extends completely through the portion of the cavity defining the tip of the airfoil (18). The core (40) is restrained to prevent movement between the core (40) and outer shell (42). Molten metal is introduced into the cavity and solidified to form an airfoil (18) having at least one outer wall which defines an open tip and a hollow interior. A metallic tip cap is formed on the outer wall which substantially closes off the open tip. The tip cap may be formed by packing the airfoil (18) with metallic powder; and laser sintering the exposed powder so as to form a tip cap which is metallurgically bonded to the outer wall.

    摘要翻译： 一种用于制造涡轮机翼（18）的方法包括提供模芯（40）和外壳（42），所述模芯和外壳（42）协同地限定了具有外壁，根部和中空翼型件 小费。 芯部（40）的尖端部分完全延伸穿过限定翼型件（18）尖端的空腔部分。 芯（40）被限制以防止芯（40）和外壳（42）之间的移动。 将熔融金属引入空腔中并固化以形成具有至少一个限定开口尖端和中空内部的外壁的翼型件（18）。 金属顶盖形成在外壁上，基本封闭开口尖端。 顶盖可以通过用金属粉末包装机翼（18）而形成; 并激光烧结暴露的粉末，以形成冶金结合到外壁的尖端盖。

    Laser shock peening plasma diagnostics sensors for real time process monitoring
    3.
    发明公开
    Laser shock peening plasma diagnostics sensors for real time process monitoring 有权
    Laserschockverfestigte Plasma- DiagnosesensorenfürEchtzeit-Prozessüberwachung

    公开(公告)号：EP1795887A1

    公开(公告)日：2007-06-13

    申请号：EP06125751.5

    申请日：2006-12-08

    申请人： GENERAL ELECTRIC COMPANY

    发明人： Benicewicz, Pamela King ,  Azer, Magdi Naim ,  Deaton, Jr., John Broddus ,  Wu, Pingfan Peter ,  Rockstroh, Todd Jay

    IPC分类号： G01N21/70 ,  C21D10/00

    CPC分类号： G01N21/718 ,  B23K26/0069 ,  B23K26/032

    摘要： A system for monitoring a laser shock event includes a detector (20,74,110) connected to a controller (14). The controller (14) includes an input configured to receive a signal from the detector (20,74,110) that is indicative of an emission (36,75,128) associated with a laser shock event at a workpiece (26,56,120). A processor (16,76,140) is connected to the input and is configured to determine a cause of an unacceptable peen event from the signal associated with the emission (36,75,128).

    摘要翻译： 用于监视激光冲击事件的系统包括连接到控制器（14）的检测器（20,71,110）。 控制器（14）包括被配置为从检测器（20,74,110）接收指示与工件（26,56,120）处的激光冲击事件相关联的发射（36,75,128）的信号的输入。 处理器（16,76,140）连接到输入端并且被配置为从与发射相关联的信号（36,75,128）中确定不可接受的喷丸事件的原因。

    Laser drilling of non-circular apertures
    4.
    发明公开
    Laser drilling of non-circular apertures 失效
    非圆形开口的激光钻孔

    公开(公告)号：EP0807485A3

    公开(公告)日：1999-04-28

    申请号：EP97303194.1

    申请日：1997-05-09

    申请人： GENERAL ELECTRIC COMPANY

    发明人： Crow, John Maynard ,  Kelley, James George ,  Rockstroh, Todd Jay

    IPC分类号： B23K26/00

    CPC分类号： B23K26/0622 ,  B23K26/384 ,  B23K26/389 ,  B23K2201/001

    摘要： A method for forming an aperture (14) in a component wall (21) made of metal, the aperture (14) having a diffuser (15) which opens up and outward from a bottom (23) of the diffuser (15) to a first surface (25) of the wall (21), includes the following steps: A) laser machining the wall (21) with a laser (24) which produces a laser beam (24b) having a pulse rate and power sufficient to vaporize the metal; B) firing and traversing the laser beam (24b), preferably at an acute angle (A), across the surface to a predetermined first edge (32) of the diffuser (15) in a single pass starting at a centerline (30) of the diffuser (15); and C) traversing the laser beam (24b) at an increasing rate of speed during the pass so that each beam pulse vaporizes the metal at a laser spot (S) such that successive laser spots (S) substantially overlap each other in decreasing amounts and the pulses nibble out the metal to form a continuous trench below the surface.

    Simultaneous offset dual sided laser shock peening using low energy laser beams
    8.
    发明公开
    Simultaneous offset dual sided laser shock peening using low energy laser beams 有权
    激光打标机激光打标机

    公开(公告)号：EP1288318A1

    公开(公告)日：2003-03-05

    申请号：EP02255646.8

    申请日：2002-08-13

    申请人： GENERAL ELECTRIC COMPANY

    发明人： Suh, Ui Won ,  Mannava, Seetharamaiah ,  Rockstroh, Todd Jay

    IPC分类号： C21D10/00 ,  B23K26/00 ,  F01D5/28

    CPC分类号： C21D10/005 ,  F01D5/286

    摘要： A method for laser shock peening (LSP) an article (108) by simultaneously firing low energy first and second laser beams (102, 103) to form pairs of longitudinally spaced apart first and second laser shock peened spots (one shown at 158) that are on opposite sides of the article (108), simultaneously laser shock peened, and transversely offset from each other. Each of the low energy first and second laser beams (102, 103) have a level of energy of between 1-10 joules.

    摘要翻译： 一种通过同时点燃低能量的第一和第二激光束（102,103）来形成成对的纵向间隔开的第一和第二激光冲击喷丸点（图158中的一个）的激光冲击硬化（LSP）的方法，所述激光冲击硬化（LSP） 在物品（108）的相对侧上，同时进行激光冲击硬化并且彼此横向偏移。 低能量第一和第二激光束（102,103）中的每一个具有1-10焦耳之间的能量水平。