简介概要

Grain refining efficiency and mechanism of pure nickel

来源期刊:Rare Metals2015年第9期

论文作者:Tian-Dong Xia Xi Chen Qing-Lin Li Wen-Jun Zhao

文章页码:662 - 666

摘    要:According to the selection principle of grain refiners and calculation of planar disregistries, CeO2 and TiB2 particles were selected as the grain refiners of pure nickel. The change of grain size and refining effects of different refiners under the same melting conditions were investigated. The results show that the grain size of pure nickel gradually reduces with increasing the amount of grain refiners. And with increasing the amount of CeO2 up to 0.7 wt%, the grain size of pure nickel decreases from 323.0 to 53.5 lm. In addition, when the amount of TiB2is0.7 wt%, the grain size is reduced to 41.3 lm.

详情信息展示

Grain refining efficiency and mechanism of pure nickel

摘要:According to the selection principle of grain refiners and calculation of planar disregistries, CeO2 and TiB2 particles were selected as the grain refiners of pure nickel. The change of grain size and refining effects of different refiners under the same melting conditions were investigated. The results show that the grain size of pure nickel gradually reduces with increasing the amount of grain refiners. And with increasing the amount of CeO2 up to 0.7 wt%, the grain size of pure nickel decreases from 323.0 to 53.5 lm. In addition, when the amount of TiB2is0.7 wt%, the grain size is reduced to 41.3 lm.

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