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研究了稀土氧化物Ｌａ２Ｏ３对烧结态和加工态钼材力学性能的影响．结果表明，Ｌａ２Ｏ３不仅显著提高了烧结态和加工态钼材的强度，而且显著改善了钼的韧性，显示出综合强韧化作用．
The effect of rare earth oxide La2O3 on mechanical properties of sintered and processed molybdenum materials was studied. The results show that La2O3 not only significantly increases the strength of sintered and processed molybdenum but also significantly improves the toughness of molybdenum and shows the comprehensive toughening effect.