金属增材制造/ metal additive manufacturing // metal additive manufacturing /
以高能束流（激光束、电子束、电弧等）作为热源，通过熔化粉材或丝材实现金属构件逐层堆积成形的技术。
金属增材制造熔池快速凝固/ rapid solidification in molten pool in metal additive manufacturing /rapid solidification in molten pool in metal additive manufacturing
激光熔化沉积激光熔覆沉积过程中熔池的凝固行为。金属增材制造金属未熔合/ incomplete fusion in metal additive manufacturing /incomplete fusion in metal additive manufacturing
激光熔化沉积在金属构件逐点-逐道-逐层沉积的过程中，工艺参数、外部环境、熔池熔体状态和扫描填充轨迹等因素变化引起重熔深度/搭接率不够，导致在相邻两个沉积层/沉积道之间形成的冶金缺陷。激光熔丝沉积送丝速率/ wire feed rate in laser fused deposition /wire feed rate in laser fused deposition
激光熔丝沉积成形过程中丝材向熔池中心进给的速度。金属增材制造球形粉末/ spherical powders in metal additive manufacturing /spherical powders in metal additive manufacturing
金属铺粉选区熔化金属增材制造中用于做成形材料的外形为球状或近球状的微细粉末。
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