本发明提供了一种高强韧低氧钼合金及制备方法，以重量份数计，由以 下原料制成：氢化钛为5～12份，氢化锆为0.8～1.4份，复合还原粉为1.6～8 份，钼粉为1000份；所述的复合还原粉为碳粉、硼粉和铝粉按照质量比为1:1:1 组成的混合粉。本发明的高强韧钼合金的综合性能好，室温抗拉强度大于 1200 MPa，伸长率大于10.0%，氧含量小于等于200ppm。本发明一方面可以 与氧结合，有效降低钼体系内有害元素氧的含量，降低在基体内部的偏析以 及与基体生成粗大的第二相的影响，另一方面，能够与基体形成共格或半共格晶体学关系，强韧化作用显著。

The invention provides a high strength and toughness low oxygen molybdenum alloy and a preparation method, which is made of the following raw materials by weight parts: titanium hydride 5 ~ 12 parts, zirconium hydride 0.8 ~ 1.4 parts, composite reducing powder 1.6 ~ 8 parts, molybdenum powder 1000 parts; The compound reducing powder is a mixed powder composed of carbon powder, boron powder and aluminum powder according to the mass ratio of 1:1:1. The high strength and toughening molybdenum alloy of the invention has good comprehensive properties, such as tensile strength greater than 1200 MPa at room temperature, elongation greater than 10.0%, oxygen content less than or equal to 200ppm. On the one hand, the invention can be combined with oxygen to effectively reduce the content of harmful element oxygen in the molybdenum system, reduce the influence of segregation in the matrix and the formation of coarse second phase with the matrix; on the other hand, it can form a coherent or semi-coherent crystallographic relationship with the matrix, and has significant strengthening and toughening effect.