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研究了连续区熔定向凝固工艺对铋系织构生长的影响。结果表明:选择合适的粉末名义配比,在最高熔化温度为880℃、样品移动速度为8mm/h的条件下处理样品,能够制得高度取向的Bi-2212晶体。但通过对该工艺Bi-2223相织构生长过程的研究,发现这种方法不利于2223相织构的生成。
The effect of continuous zone melt directional solidification on bismuth texture growth was studied. The results show that the Bi-2212 crystal with high orientation can be obtained by selecting the proper ratio of powders, processing the sample at the highest melting temperature of 880 ℃ and the sample moving speed of 8mm / h. However, through the study of the growth process of the Bi-2223 phase, we found that this method is not conducive to the formation of the 2223 phase.