METHOD FOR MANUFACTURING A METALLIC COMPONENT BY ADDITIVE LASER MANUFACTURING
    2.
    发明申请
    METHOD FOR MANUFACTURING A METALLIC COMPONENT BY ADDITIVE LASER MANUFACTURING 审中-公开
    通过添加剂激光制造制造金属成分的方法

    公开(公告)号:US20150090074A1

    公开(公告)日:2015-04-02

    申请号:US14496316

    申请日:2014-09-25

    Abstract: The invention refers to a method for manufacturing a three-dimensional metallic article/component made of a Ni-, Co-, Fe-based superalloy or combinations thereof, entirely or partly, by a powder based additive manufacturing process. During the step of performing powder melting by scanning a dual laser setup is used, where two laser beams of different beam properties are combined in the same machine and by adjusted beam profiling and integration of a suitable beam switch in a controlled manner a switching between two different laser beam diameters is performed. In each layer the laser beam with the smaller diameter scans the whole area and in every kth layer, with k>1, the laser beam with the larger diameter scans the area where a coarse grain size is needed thereby remelting the area with fine grain sizes. With such a manufacturing method higher lifetime and operation performances of metallic parts and prototypes can be reached.

    Abstract translation: 本发明涉及通过基于粉末的添加剂制造方法完全或部分地制造由Ni,Co,Fe基超级合金或其组合制成的三维金属制品/部件的方法。 在通过扫描双激光进行粉末熔化的步骤中,使用不同光束特性的两束激光束在相同的机器中组合,并且通过调整的光束分布和以受控的方式集成合适的光束开关,在两个 执行不同的激光束直径。 在每个层中,具有较小直径的激光束扫描整个区域,并且在每个第k层中,k> 1,具有较大直径的激光束扫描需要粗粒径的区域,从而将具有细晶粒度的区域重熔 。 通过这种制造方法,可以达到更高的寿命和金属部件和原型的操作性能。

Patent Agency Ranking