Material Behaviors¿¡ ´ëÇÑ ³»¿ëÀÔ´Ï´Ù. / 1. Explain what happens in terms of mechanical/chemical properties when making products using metal-based 3D additive manufacturing technology 2. Explain alterations of the metal microstructure ch-aracteristics when making products using metal-based 3D additive manufacturing technology and the relationship between the¡¦