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Применить Всего найдено 2. Отображено 2.
10-02-2010 дата публикации

GCr15 bearing steel bloom continuous casting dynamic soft reduction process

Номер: CN0101642774A
Автор: ZHANG YONGCANG, JI CHENG, TIAN XINZHONG, SHI JIANQIANG, LIU JINGJUN, ZHONG BAOJUN, HU LINING, ZHAO ZHONGYI, DONG ZHIQIANG, XUE ZHENGXUE, DAI YONGGANG, WANG LIXIN, MA FUPING, CAO LEI, YONGCANG ZHANG, CHENG JI, XINZHONG TIAN, JIANQIANG SHI, JINGJUN LIU, BAOJUN ZHONG, LINING HU, ZHONGYI ZHAO, ZHIQIANG DONG, ZHENGXUE XUE, YONGGANG DAI, LIXIN WANG, FUPING MA, LEI CAO
Принадлежит:

The invention relates to a GCr15 bearing steel bloom continuous casting dynamic soft reduction process, which belongs to the technical field of metallurgical continuous casting and is used for solvingthe problems that the GCr15 bearing steel bloom continuous casting is easy to cause central segregation, central looseness, central parosity and other casting slab internal quality defects. The technical scheme is as follows: the reduction of a continuous casting soft reduction region is controlled through the change of central solid phase rate fs of a casting slab, and the relationship between the reduction of a soft reduction rack and the central solid phase rate of the casting slab is given out. The adoption of the soft reduction process of dynamic control can significantly reduce the central segregation of the GCr15 bearing steel casting slab, the central carbon segregation index of the casting slab is 0.95-1.08, and the average central segregation is 1.03; the process can also obviously ...

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Номер записи: 1
05-10-2011 дата публикации

GCr15 bearing steel bloom continuous casting dynamic soft reduction process

Номер: CN0101642774B
Автор: ZHANG YONGCANG, JI CHENG, TIAN XINZHONG, SHI JIANQIANG, LIU JINGJUN, ZHONG BAOJUN, HU LINING, ZHAO ZHONGYI, DONG ZHIQIANG, XUE ZHENGXUE, DAI YONGGANG, WANG LIXIN, MA FUPING, CAO LEI, YONGCANG ZHANG, CHENG JI, XINZHONG TIAN, JIANQIANG SHI, JINGJUN LIU, BAOJUN ZHONG, LINING HU, ZHONGYI ZHAO, ZHIQIANG DONG, ZHENGXUE XUE, YONGGANG DAI, LIXIN WANG, FUPING MA, LEI CAO
Принадлежит:

The invention relates to a GCr15 bearing steel bloom continuous casting dynamic soft reduction process, which belongs to the technical field of metallurgical continuous casting and is used for solving the problems that the GCr15 bearing steel bloom continuous casting is easy to cause central segregation, central looseness, central parosity and other casting slab internal quality defects. The technical scheme is as follows: the reduction of a continuous casting soft reduction region is controlled through the change of central solid phase rate fs of a casting slab, and the relationship between the reduction of a soft reduction rack and the central solid phase rate of the casting slab is given out. The adoption of the soft reduction process of dynamic control can significantly reduce the central segregation of the GCr15 bearing steel casting slab, the central carbon segregation index of the casting slab is 0.95-1.08, and the average central segregation is 1.03; the process can also obviously ...

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Номер записи: 2