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研究镧元素的添加对钨基材料的性能影响具有重要意义。采用湿化学法结合氢气还原制备成分为(a):W-0.25%(100%Y_(2)O_(3)+0 La_(2)O_(3))(W与第二相含量为质量分数,Y_(2)O_(3)与La_(2)O_(3)含量为原子分数,下同)、(b):W-0.25%(90%Y_(2)O_(3)+10%La_(2)O_(3))、(c):W-0.25%(70%Y_(2)O_(3)+30%La_(2)O_(3))、(d):W-0.25%(50%Y_(2)O_(3)+50%La_(2)O_(3)