In welding zone the lath shape microstructure reduces, and equiaxed microstructure increases.

焊缝区在经过长时运行后板条状组织减少, 等轴状组织增多.

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Firstly, equiaxed microstructure could be produced by treatments including hot compression and duplex anneal.

本文首先通过变形及双重退火获得了很好的等轴组织.

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The formation mechanism of equiaxed grains and micro cavities during spray forming process are discussed.

分析了等轴晶组织和显微孔洞在喷射成形中生成的机制.

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The area of columnar structures decreased and that of equiaxed crystals enlarged. The grain size reduced.

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.

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The key to solve these problems is enlarging equiaxed grain zone and fining grain size.

解决这一问题的关键是扩大铸坯等轴晶区比例,细化晶粒.

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