到均匀的钼合金粉末；将钼合金粉末装入模具的型腔内，进行压制成形处理，得到成形坯；将成形坯在真空下进行高温烧结处理，得到烧结坯；将烧结坯进行锻造或轧制变形加工，得到锻坯/轧坯；对所述锻坯/轧坯进行退火热处理，得到所述钼合金板/棒材。该制备方法步骤和工艺条件设计合理、使用效果好，制备的钼合金材料具有优良性能，在1600℃高温下抗拉强度Ra≥200MPa，断后伸长率A≥20％，氧含量≤100ppm。

The invention relates to a preparation method of multicomponent composite strengthened molybdenum alloy, which successively comprises the following steps: weighing Mo source, Ti source, Zr source, C source, HF source and re source according to a certain weight proportion, preparing raw materials and mixing treatment to obtain uniform molybdenum alloy powder; The molybdenum alloy powder is put into the cavity of the die and pressed to obtain the formed blank; The formed billet is sintered at high temperature under vacuum to obtain the sintered billet; Forging or rolling deformation of sintered billet to obtain forging billet / rolling billet; The forging stock / rolling stock is subjected to annealing heat treatment to obtain the molybdenum alloy plate / bar. The preparation method, steps and process conditions are reasonably designed and have good application effect. The prepared molybdenum alloy material has excellent properties, with tensile strength RA ≥ 200MPa, elongation after fracture a ≥ 20% and oxygen content ≤ 100ppm at 1600 ℃.