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    • 14. 发明申请
    • Single crystal investment cast components and methods of making same
    • 单晶投资组件及其制作方法
    • US20050211408A1
    • 2005-09-29
    • US10809072
    • 2004-03-25
    • Steven BulliedJohn MarcinRobert RenaudRoy GarrisonStephen Murray
    • Steven BulliedJohn MarcinRobert RenaudRoy GarrisonStephen Murray
    • B22D21/00B22C9/06B22D23/00B22D27/04C22C19/05C30B11/00C30B29/52B22C9/04
    • C30B11/00B22D27/045C30B29/52
    • High performance single crystal investment cast components and methods of making same are described herein. Embodiments comprise systems for producing such components. The systems comprise: an investment molding cavity; a seed crystal starter cavity; a seed crystal for initiating epitaxial crystal growth in molten metallic material that comes into contact therewith; a grain selector operatively connecting the seed crystal starter cavity and the investment molding cavity for at least one of: (1) selecting a single crystal from the seed crystal to grow into the molten metallic material during solidification, or (2) ensuring that a single crystal from the seed crystal continues to grow into the molten metallic material during solidification; and a grain selector support for at least partially supporting the weight of the investment molding cavity and any molten metallic material contained therein to take at least a portion of this weight off the grain selector, wherein the system is capable of producing a single crystal investment cast component. Methods for producing such components are also described.
    • 本文描述了高性能单晶投影组件及其制造方法。 实施例包括用于生产这种部件的系统。 该系统包括:投资模制腔; 晶种启动器腔; 用于在与其接触的熔融金属材料中引发外延晶体生长的晶种; 一种晶粒选择器,其可操作地连接晶种启动器腔和投影模制腔,用于以下至少一个:(1)在固化期间从晶种中选择单晶以生长成熔融金属材料,或(2)确保单晶 晶种晶体在固化期间继续生长成熔融金属材料; 以及颗粒选择器支撑件,用于至少部分地支撑投影模制腔体的重量和包含在其中的任何熔融金属材料,以使该重量的至少一部分离开晶粒选择器,其中该系统能够生产单晶投资铸件 零件。 还描述了生产这些组分的方法。
    • 18. 发明申请
    • Super compressed detonation method and device to effect such detonation
    • 超级压缩的爆震方法和装置来实现这种爆震
    • US20050115447A1
    • 2005-06-02
    • US10932095
    • 2004-09-02
    • Fan ZhangStephen MurrayAndrew Higgins
    • Fan ZhangStephen MurrayAndrew Higgins
    • F42B1/00F42B12/06F42B12/02
    • F42D3/00F42B1/00
    • A method and apparatus are provided for detonation of a super-compressed insensitive energetic material by cylindrical implosion followed by an axial detonation to a detonation velocity several times that of TNT and a detonation pressure in excess of ten times that of TNT. The device provides a conical metal flyer shell within which is disposed a cylindrical anvil surrounded by explosive. The anvil retains an insensitive energetic material to be compressed and detonated. A first detonation of explosive by impact of the flyer shell generates a reverberating oblique shock wave system for sample compression. Axial detonation of the compressed sample through any length of a sample is achieved following the principal of matching the axial velocity and compression time of the oblique shock wave system to the detonation velocity and induction delay time of the compressed sample. The method and apparatus are also applicable to enhancing the effect of anti-armour and anti-hard-target munitions. The apparatus is also applicable to inert sample compression to the megabar range without using the axial detonation.
    • 提供了一种方法和装置,用于通过圆柱形内爆爆炸引爆超级压缩不敏感能量材料,然后引发爆震速度达到TNT和爆炸压力超过TNT十倍的爆震速度。 该装置提供锥形金属飞翼壳体,其中设置有由炸药围绕的圆柱形砧座。 砧座保持一种不敏感的高能材料被压缩和引爆。 通过飞镖壳的撞击引起爆炸物的第一次爆炸,产生用于样本压缩的混响倾斜冲击波系统。 通过将倾斜冲击波系统的轴向速度和压缩时间与压缩样品的爆震速度和感应延迟时间相匹配的原理来实现压缩样品通过任何长度的样品的轴向引爆。 该方法和装置也适用于提高反盔甲和反强硬弹药的效果。 该设备也可应用于惰性样品压缩至巨型范围而不使用轴向爆震。