【摘要】 详细阐述了多层喷射沉积技术的产生及发展现状。多层喷射沉积技术与传统喷射沉积技术相比,在制备大型预成形坯件时冷却速度更大,工艺操作更简单,坯件表面精度更高。更多还原

【Abstract】 The paper deals with the beginning and development of multi-layer spray deposition technique in detail.Compared with the conventional spray deposition technique,the novel technique exhibits specific advantages in manufacturing large preforms,including higher solidification rate,simpler operating procedure and better dimensional precision.更多还原