激光熔化沉积/ laser melting deposition or laser cladding deposition // laser melting deposition or laser cladding deposition /
将信息化增材成形原理与激光熔覆技术相结合,通过激光熔化/快速凝固逐层沉积“生长/增材制造”,由零件CAD模型一步完成全致密、高性能整体金属结构件的“近净成形制造”。
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。