Method of manufacturing a hybrid structure
    2.
    发明授权
    Method of manufacturing a hybrid structure 失效
    制造混合结构的方法

    公开(公告)号:US07351364B2

    公开(公告)日:2008-04-01

    申请号:US10767012

    申请日:2004-01-29

    IPC分类号: B28B11/00 B28B5/00 B29C33/76

    摘要: A method of manufacturing a hybrid structure (100) having a layer of CMC material (28) defining an interior passageway (24) and a layer of ceramic insulating material (18) lining the passageway. The method includes the step of casting the insulating material to a first thickness required for effective casting but in excess of a desired second thickness for use of the hybrid structure. An inner mold (14) defining a net shape desired for the passageway remains in place after the casting step to mechanically support the insulating material during a machining process used to reduce the thickness of the insulating material from the as-cast first thickness to the desired second thickness. The inner mold also provides support as the CMC material is deposited onto the insulating material. The inner mold may include a fugitive material portion (20) to facilitate its removal after the CMC material is formed.

    摘要翻译: 一种制造具有限定内部通道(24)的CMC材料层(28)和衬套通道的陶瓷绝缘材料层(18)的混合结构(100)的方法。 该方法包括将绝缘材料浇铸到有效铸造所需的第一厚度但超过所需的第二厚度以用于混合结构的步骤。 限定通道所需的净形状的内模(14)在铸造步骤之后保持就位,以在用于将绝缘材料的厚度从铸造第一厚度减小到期望的机械加工过程期间机械地支撑绝缘材料 第二厚度。 当CMC材料沉积到绝缘材料上时,内模还提供支撑。 内部模具可以包括短暂材料部分(20),以便在形成CMC材料之后便于其移除。

    Hybrid structure using ceramic tiles and method of manufacture
    3.
    发明授权
    Hybrid structure using ceramic tiles and method of manufacture 有权
    使用陶瓷砖的混合结构及其制造方法

    公开(公告)号:US07311790B2

    公开(公告)日:2007-12-25

    申请号:US10767013

    申请日:2004-01-29

    摘要: A hybrid structure (50) and method of manufacturing the same including a structural ceramic matrix composite (CMC) material (42) coated with a layer of ceramic insulating tiles (24). Individual ceramic tiles are attached to a surface (22) of a mold (20). The exterior surface (32) of the tiles may be subjected to a mechanical process such as machining with the mold in place to provide mechanical support for the tiles. A layer of CMC material is then applied to bond the tiles and the CMC material together into a hybrid structure. The mold may include a fugitive material portion (26) to facilitate removal of the mold when the hybrid structure has a complex shape. Tiles located in different regions of the structure may have different compositions and/or dimensions. The gaps between adjacent tiles may be filled from the outside before the CMC material is applied or from the inside after the mold is removed.

    摘要翻译: 一种混合结构(50)及其制造方法,包括涂覆有陶瓷绝缘砖(24)层的结构陶瓷基复合材料(CMC)材料(42)。 单个陶瓷砖附接到模具(20)的表面(22)。 瓦片的外表面(32)可以经受机械加工,例如用模具进行机械加工,以为瓦片提供机械支撑。 然后施加一层CMC材料以将瓷砖和CMC材料结合在一起成为混合结构。 当混合结构具有复杂的形状时,模具可以包括短片材料部分(26),以便于去除模具。 位于结构的不同区域的瓷砖可以具有不同的组成和/或尺寸。 相邻瓦片之间的间隙可以在CMC材料施加之前从外部填充,或者在模具移除之后从内部填充。

    Visual observation of welding operation
    8.
    发明授权
    Visual observation of welding operation 失效
    目视观察焊接操作

    公开(公告)号:US4599506A

    公开(公告)日:1986-07-08

    申请号:US678523

    申请日:1984-12-05

    IPC分类号: B23K9/095 B23K9/10

    CPC分类号: B23K9/095

    摘要: A visual observation system for monitoring a welding operation being performed in a welding region by a welding torch, the torch having a longitudinal axis and including a housing. The system is composed of a closed light conducting channel supported by the torch and having a first end directed toward the welding region and a second end remote from the first end, and image generating device disposed at the second end of the channel for receiving light entering the channel via the first end in order to generate an image of the scene in front of the first end, a transpatent plate disposed in, and blocking, the light conducting channel for protecting the image generating device against soiling by particles produced by the welding operation, and elements for producing a flow of inert gas past the side of the transparent plate directed toward the first end for opposing the deposition of such particles on the plate. The a light conducting channel is dimensioned such that in at least one direction transverse to the longitudinal axis of the torch, the channel does not project beyond the torch housing.

    摘要翻译: 一种用于监视焊接操作的目视观察系统,其通过焊炬在焊接区域中进行,所述焊炬具有纵向轴线并且包括壳体。 该系统由一个由割炬支撑的闭合导光通道组成,具有朝向焊接区域的第一端和远离第一端的第二端,以及设置在通道的第二端处的图像产生装置,用于接收光线 所述通道经由所述第一端以在所述第一端的前方产生场景的图像,设置在所述导光通道中并且阻挡所述导光通道的变色板,用于保护所述图像生成装置免受由所述焊接操作产生的颗粒的污染 以及用于产生朝向第一端的透明板侧的惰性气体流的元件,用于使这种颗粒沉积在板上。 导光通道的尺寸使得在至少一个横向于割炬的纵向轴线的方向上,通道不会突出超过割炬壳体。

    Method for production of combustion turbine blade having a hybrid
structure
    9.
    发明授权
    Method for production of combustion turbine blade having a hybrid structure 失效
    具有混合结构的燃气轮机叶片的生产方法

    公开(公告)号:US4540038A

    公开(公告)日:1985-09-10

    申请号:US617458

    申请日:1984-06-05

    申请人: Michael A. Burke

    发明人: Michael A. Burke

    CPC分类号: B22D27/045

    摘要: This is a process of fabricating directionally solidified turbine blades for combustion turbines. It is an improvement to the type of process where a mold containing molten metal is cooled in a controlled fashion such that solidification occurs slow enough to allow directional solidification beginning at the airfoil end. In the improved process solidification is monitored and magnetic mixing of the remaining molten metal is started at approximately the beginning of solidification of said root section and the rate of cooling of said blade is increased to a rate faster than at which directional solidification occurs. A blade is produced with a directionally solidified airfoil section and a fine grained root section and without a substantially inhomogeneous portion at the interface between the airfoil and root sections.

    摘要翻译: 这是制造用于燃烧涡轮机的定向凝固涡轮机叶片的过程。 对于其中含有熔融金属的模具以受控的方式冷却的过程类型是一种改进,使得固化发生得足够缓慢以允许从翼型端开始定向凝固。 在改进的方法中,监测固化,并且在所述根部部分的凝固开始时大约开始固化时开始剩余熔融金属的磁性混合,并且所述叶片的冷却速率增加到比发生定向凝固的速度更快的速率。 叶片产生有定向凝固的翼型部分和细粒根部,并且在翼型和根部之间的界面处没有基本上不均匀的部分。