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Apparatus and method for direct writing of single crystal superalloys and metals
Apparatus and method for direct writing of single crystal superalloys and metals
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机译:单晶高温合金和金属的直接写入的设备和方法
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摘要
Methods for direct writing of single crystal super alloys and metals are provided. The method can include: heating a substrate (23) positioned on a base plate to a predetermined temperature using a first heater; using a laser (26) to form a melt pool (34) on a surface of the substrate (23); introducing a superalloy powder (32) to the melt pool (34); measuring the temperature of the melt pool (34); receiving the temperature measured at a controller (40); and using an auxiliary heat source (41) in communication with the controller (40) to adjust the temperature of the melt pool (34). The predetermined temperature is below the substrate's melting point. The laser (26) and the base plate are movable relative to each other, with the laser (26) being used for direct metal deposition. An apparatus is also generally provided for direct writing of single crystal super alloys and metals.
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