Semi-solid slurry preparation and rolling of 1Cr18Ni9Ti stainless steel

Weimin Mao, Aimin Zhao, Dong Yun, Leping Zhang, Xueyou Zhong

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    Cite this article as:

    Weimin Mao, Aimin Zhao, Dong Yun, Leping Zhang, and Xueyou Zhong, Semi-solid slurry preparation and rolling of 1Cr18Ni9Ti stainless steel, J. Univ. Sci. Technol. Beijing , 10(2003), No. 6, pp.35-39.
    Weimin Mao, Aimin Zhao, Dong Yun, Leping Zhang, and Xueyou Zhong, Semi-solid slurry preparation and rolling of 1Cr18Ni9Ti stainless steel, J. Univ. Sci. Technol. Beijing , 10(2003), No. 6, pp.35-39.
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    Materials

    Semi-solid slurry preparation and rolling of 1Cr18Ni9Ti stainless steel

    基金项目: 

    This work was financially supported by the National Natural Science Foundation of China(No.59995440).

      通信作者:

      Weimin Mao E-mail: weiminmao@263.net

    The preparation and rolling of the semi-solid slurry 1Cr18Ni9Ti stainless steel were researched. The experimental results show that when stirred for 2-3 min under the given test condition, the semi-solid slurry with about 50%-60% (volume fraction) solid and the spherical primary austenitic grains in the size of 100-200 μm can be obtained, and it is easy to be discharged from the bottom little hole of the stirring chamber. The semi-solid slurry of 1Cr18Ni9Ti stainless steel can be rolled into the given plate successfully.However, the solid phase and liquid phase are easily separated in the rolling process, so that the solid primary austenitic grains are concentrated in the center and the liquid phase is near the edge of the rolled plate. The strengths of the plate rolled in the semi-solid state are higher than that of the traditionally repeated hot-rolled plate of 1Cr18Ni9Ti stainless steel.

     

    Materials

    Semi-solid slurry preparation and rolling of 1Cr18Ni9Ti stainless steel

    Author Affilications
    • Funds: 

      This work was financially supported by the National Natural Science Foundation of China(No.59995440).

    • Received: 21 January 2003;
    The preparation and rolling of the semi-solid slurry 1Cr18Ni9Ti stainless steel were researched. The experimental results show that when stirred for 2-3 min under the given test condition, the semi-solid slurry with about 50%-60% (volume fraction) solid and the spherical primary austenitic grains in the size of 100-200 μm can be obtained, and it is easy to be discharged from the bottom little hole of the stirring chamber. The semi-solid slurry of 1Cr18Ni9Ti stainless steel can be rolled into the given plate successfully.However, the solid phase and liquid phase are easily separated in the rolling process, so that the solid primary austenitic grains are concentrated in the center and the liquid phase is near the edge of the rolled plate. The strengths of the plate rolled in the semi-solid state are higher than that of the traditionally repeated hot-rolled plate of 1Cr18Ni9Ti stainless steel.

     

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