The results show that longitudinal solidified velocity is accelerated by lateral ones at the place which is 60%~ 70% apart from the ingot bottom.
分析结果表明,钢锭本体距离底部60%~70%的部位纵向凝固速度受横向凝固速度的影响而大大加速;
an ingot of nb based in-situ composites ( nbisc) was produced by a vacuum self-consuming arc melting furnace. the directionally solidified samples were prepared by an electron beam floating zone melting ( ebfzm) furnace with a high temperature gradient, and their microstructural characteristics were analyzed.
铌基共晶自生复合材料(NBISC)经真空自耗电弧熔炼成母合金锭,采用高温度梯度的电子束区熔装置制备定向凝固的试样,分析其组织特征。
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