Wire for preparing 3D printing alloy powder

The wire material for preparing the 3D printing alloy powder comprises a wire material body, and the wire material body comprises a containing cavity and a metal single plastid which is located in the containing cavity and can be subjected to plasma atomization alloying to form the 3D printing alloy powder. The wire is provided with the containing cavity, the metal single plastid in the containing cavity can be added according to needs, composition adjustment is easy, smelting, rolling and drawing procedures are avoided, production cost is reduced, and the wire is suitable for scientific research of small-batch alloy composition design. 本实用新型所述的用于制备3D打印合金粉末的丝材，包括丝材本体，丝材本体包括容纳腔、以及位于容纳腔内可等离子雾化合金化形成3D打印用合金粉末的金属单质体。本实用新型的丝材设有容纳腔，由于容纳腔中的金属单质体可按需加入，易于成分调整，且避开熔炼和轧制和拉拔工序，降低了生产成本，适合于小批量、合金成分设计的科研。