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2. 发明申请

US20050211408A1 Single crystal investment cast components and methods of making same 审中-公开
标题翻译：单晶投资组件及其制作方法
公开(公告)号：US20050211408A1
公开(公告)日：2005-09-29
申请号：US10809072
申请日：2004-03-25
申请人： Steven Bullied , John Marcin , Robert Renaud , Roy Garrison , Stephen Murray
发明人： Steven Bullied , John Marcin , Robert Renaud , Roy Garrison , Stephen Murray
IPC分类号： B22D21/00 , B22C9/06 , B22D23/00 , B22D27/04 , C22C19/05 , C30B11/00 , C30B29/52 , B22C9/04
CPC分类号： C30B11/00 , B22D27/045 , C30B29/52
摘要： 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.
摘要翻译：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。

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