This project is divided into two parts: one is theory research, the other is practical implement. The key point of the former part is inner crack of round steel during the last rolling pass.
项目研究分为理论研究和现场实施,其中理论研究对成品圆钢内部裂纹的出现进行了模拟研究。
参考来源 - 大规格圆钢断面应力的有限元分析·2,447,543篇论文数据，部分数据来源于NoteExpress
Mechanism of inner crack healing induced by diffusion reaction is accepted by people more and more.
反应导致内裂纹的热愈合是目前普遍被接受的机理。
The reason for inner crack in rectangular billet is analyzed and some measures to improve presented.
简析了石钢电炉炼钢厂矩型坯内裂产生的原因，并提出了相应改造措施。
The product after breaking is with the cubic shape, low content of needle-like particles, and without inner crack.
经破碎的产品呈立方体，针片状含量低，无内裂缝。
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