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CN111212703A 具有冷却效应的高γ′超级合金的激光金属沉积 审中-实审

具有冷却效应的高γ′超级合金的激光金属沉积
摘要：
一种由基础材料（10）增材制造或修复部件的系统（100）和方法（1000）。所述系统可以包括激光金属沉积（LMD）系统（200），其可操作地连接到用于在沉积在基础材料上的熔池中的增材材料的激光加工期间冷却（300）基础材料的装置。所述LMD系统包括激光能量源（202），所述激光能量源（202）被配置成朝向所述基础材料引导激光能量以在其上形成熔池并且加工所沉积的增材材料以在固化时在基础材料上形成若干层。用于冷却的装置可以被配置成在LMD过程期间使基础材料冷却到冷却温度范围内，这导致例如冷却/冷冻效应。此冷却效应缩短激光加工期间的固化周期，并且允许焊接热量从基础材料释放。
摘要（英）：

Systems (100) and methods (1000) for additively manufacturing or repairing a component from a base material (10). The system may include a laser metal deposition (LMD) system (200) operably connected to a means for cooling (300) the base material during laser processing of additive materials deposited 5 in a melt pool on the base material. The LMD system includes a laser energy source (202) configured to direct laser energy towards the base material to form the melt pool thereon and to processes the deposited additive materials to form layers on the base material upon solidification. The means for cooling may be configured to cool the base material to within a cooling temperature range during the LMD 10 process, which results in, e.g., a cooling/freezing effect. This cooling effect shortens the solidification period during laser processing and allows for weld heat to be released from the base material.

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