过滤后铸棒组织中的柱状晶区缩小，中心等轴晶区扩大、晶粒度降低。
The area of columnar structures decreased, and that of equiaxed crystals enlarged. The grain size reduced.
多晶生长暂停拉伸时，新晶粒将在柱状晶顶部晶界夹角处形核并长大，而且新晶粒的晶格取向与原有晶粒的取向无关。
When pulling halts, the combination of grains occurs, and the lattice orientation of new grain is not related to the original grains.
奥氏体晶粒粗大及奥氏体柱状晶都能够降低焊缝的韧性，并提出了改善焊缝韧性的途径。
Either coarse or column austenite grain can decrease the toughness of welding metal, and the ways to improve the toughness of wel...
奥氏体晶粒粗大及奥氏体柱状晶都能够降低焊缝的韧性，并提出了改善焊缝韧性的途径。
Either coarse or column austenite grain can decrease the toughness of welding metal, and the ways to improve the toughness of wel...
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